From 20f6c05ec50739d31f4dbe9fde0d223f2c43f6e8 Mon Sep 17 00:00:00 2001 From: Wim Date: Sat, 16 Oct 2021 23:11:32 +0200 Subject: Update vendor --- vendor/golang.org/x/crypto/acme/types.go | 52 +- vendor/golang.org/x/crypto/argon2/argon2.go | 285 + vendor/golang.org/x/crypto/argon2/blake2b.go | 53 + vendor/golang.org/x/crypto/argon2/blamka_amd64.go | 61 + vendor/golang.org/x/crypto/argon2/blamka_amd64.s | 244 + .../golang.org/x/crypto/argon2/blamka_generic.go | 163 + vendor/golang.org/x/crypto/argon2/blamka_ref.go | 16 + vendor/golang.org/x/crypto/blake2b/blake2b.go | 291 + .../x/crypto/blake2b/blake2bAVX2_amd64.go | 38 + .../x/crypto/blake2b/blake2bAVX2_amd64.s | 745 ++ .../golang.org/x/crypto/blake2b/blake2b_amd64.go | 25 + vendor/golang.org/x/crypto/blake2b/blake2b_amd64.s | 279 + .../golang.org/x/crypto/blake2b/blake2b_generic.go | 182 + vendor/golang.org/x/crypto/blake2b/blake2b_ref.go | 12 + vendor/golang.org/x/crypto/blake2b/blake2x.go | 177 + vendor/golang.org/x/crypto/blake2b/register.go | 33 + vendor/golang.org/x/crypto/chacha20/chacha_arm64.s | 1 + .../golang.org/x/crypto/chacha20/chacha_ppc64le.s | 1 + vendor/golang.org/x/crypto/chacha20/chacha_s390x.s | 1 + .../golang.org/x/crypto/curve25519/curve25519.go | 52 +- .../x/crypto/curve25519/curve25519_amd64.go | 241 - .../x/crypto/curve25519/curve25519_amd64.s | 1793 ---- .../x/crypto/curve25519/curve25519_generic.go | 828 -- .../x/crypto/curve25519/curve25519_noasm.go | 12 - .../x/crypto/curve25519/internal/field/README | 7 + .../x/crypto/curve25519/internal/field/fe.go | 416 + .../x/crypto/curve25519/internal/field/fe_amd64.go | 13 + .../x/crypto/curve25519/internal/field/fe_amd64.s | 379 + .../curve25519/internal/field/fe_amd64_noasm.go | 12 + .../x/crypto/curve25519/internal/field/fe_arm64.go | 16 + .../x/crypto/curve25519/internal/field/fe_arm64.s | 43 + .../curve25519/internal/field/fe_arm64_noasm.go | 12 + .../crypto/curve25519/internal/field/fe_generic.go | 264 + .../curve25519/internal/field/sync.checkpoint | 1 + .../x/crypto/curve25519/internal/field/sync.sh | 19 + vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go | 77 + vendor/golang.org/x/crypto/poly1305/sum_amd64.s | 1 + vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s | 19 +- vendor/golang.org/x/crypto/poly1305/sum_s390x.s | 1 + .../x/crypto/salsa20/salsa/salsa20_amd64.s | 1 + vendor/golang.org/x/crypto/scrypt/scrypt.go | 212 + vendor/golang.org/x/crypto/ssh/client.go | 2 +- vendor/golang.org/x/net/html/parse.go | 24 +- vendor/golang.org/x/net/http/httpguts/httplex.go | 10 +- vendor/golang.org/x/net/http2/Dockerfile | 2 +- vendor/golang.org/x/net/http2/ascii.go | 53 + vendor/golang.org/x/net/http2/client_conn_pool.go | 79 +- vendor/golang.org/x/net/http2/go115.go | 27 + vendor/golang.org/x/net/http2/headermap.go | 7 +- vendor/golang.org/x/net/http2/not_go115.go | 31 + vendor/golang.org/x/net/http2/server.go | 38 +- vendor/golang.org/x/net/http2/transport.go | 165 +- vendor/golang.org/x/net/http2/write.go | 7 +- vendor/golang.org/x/net/idna/idna10.0.0.go | 113 +- vendor/golang.org/x/net/idna/idna9.0.0.go | 93 +- vendor/golang.org/x/net/publicsuffix/list.go | 181 + vendor/golang.org/x/net/publicsuffix/table.go | 10520 +++++++++++++++++++ 57 files changed, 15332 insertions(+), 3098 deletions(-) create mode 100644 vendor/golang.org/x/crypto/argon2/argon2.go create mode 100644 vendor/golang.org/x/crypto/argon2/blake2b.go create mode 100644 vendor/golang.org/x/crypto/argon2/blamka_amd64.go create mode 100644 vendor/golang.org/x/crypto/argon2/blamka_amd64.s create mode 100644 vendor/golang.org/x/crypto/argon2/blamka_generic.go create mode 100644 vendor/golang.org/x/crypto/argon2/blamka_ref.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2b.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.s create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2b_amd64.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2b_amd64.s create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2b_generic.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2b_ref.go create mode 100644 vendor/golang.org/x/crypto/blake2b/blake2x.go create mode 100644 vendor/golang.org/x/crypto/blake2b/register.go delete mode 100644 vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go delete mode 100644 vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s delete mode 100644 vendor/golang.org/x/crypto/curve25519/curve25519_generic.go delete mode 100644 vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/README create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.s create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64_noasm.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.s create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64_noasm.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/fe_generic.go create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/sync.checkpoint create mode 100644 vendor/golang.org/x/crypto/curve25519/internal/field/sync.sh create mode 100644 vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go create mode 100644 vendor/golang.org/x/crypto/scrypt/scrypt.go create mode 100644 vendor/golang.org/x/net/http2/ascii.go create mode 100644 vendor/golang.org/x/net/http2/go115.go create mode 100644 vendor/golang.org/x/net/http2/not_go115.go create mode 100644 vendor/golang.org/x/net/publicsuffix/list.go create mode 100644 vendor/golang.org/x/net/publicsuffix/table.go (limited to 'vendor/golang.org') diff --git a/vendor/golang.org/x/crypto/acme/types.go b/vendor/golang.org/x/crypto/acme/types.go index e751bf52..eaae4529 100644 --- a/vendor/golang.org/x/crypto/acme/types.go +++ b/vendor/golang.org/x/crypto/acme/types.go @@ -57,6 +57,32 @@ var ( ErrNoAccount = errors.New("acme: account does not exist") ) +// A Subproblem describes an ACME subproblem as reported in an Error. +type Subproblem struct { + // Type is a URI reference that identifies the problem type, + // typically in a "urn:acme:error:xxx" form. + Type string + // Detail is a human-readable explanation specific to this occurrence of the problem. + Detail string + // Instance indicates a URL that the client should direct a human user to visit + // in order for instructions on how to agree to the updated Terms of Service. + // In such an event CA sets StatusCode to 403, Type to + // "urn:ietf:params:acme:error:userActionRequired", and adds a Link header with relation + // "terms-of-service" containing the latest TOS URL. + Instance string + // Identifier may contain the ACME identifier that the error is for. + Identifier *AuthzID +} + +func (sp Subproblem) String() string { + str := fmt.Sprintf("%s: ", sp.Type) + if sp.Identifier != nil { + str += fmt.Sprintf("[%s: %s] ", sp.Identifier.Type, sp.Identifier.Value) + } + str += sp.Detail + return str +} + // Error is an ACME error, defined in Problem Details for HTTP APIs doc // http://tools.ietf.org/html/draft-ietf-appsawg-http-problem. type Error struct { @@ -76,10 +102,21 @@ type Error struct { // Header is the original server error response headers. // It may be nil. Header http.Header + // Subproblems may contain more detailed information about the individual problems + // that caused the error. This field is only sent by RFC 8555 compatible ACME + // servers. Defined in RFC 8555 Section 6.7.1. + Subproblems []Subproblem } func (e *Error) Error() string { - return fmt.Sprintf("%d %s: %s", e.StatusCode, e.ProblemType, e.Detail) + str := fmt.Sprintf("%d %s: %s", e.StatusCode, e.ProblemType, e.Detail) + if len(e.Subproblems) > 0 { + str += fmt.Sprintf("; subproblems:") + for _, sp := range e.Subproblems { + str += fmt.Sprintf("\n\t%s", sp) + } + } + return str } // AuthorizationError indicates that an authorization for an identifier @@ -533,20 +570,23 @@ func (c *wireChallenge) challenge() *Challenge { // wireError is a subset of fields of the Problem Details object // as described in https://tools.ietf.org/html/rfc7807#section-3.1. type wireError struct { - Status int - Type string - Detail string - Instance string + Status int + Type string + Detail string + Instance string + Subproblems []Subproblem } func (e *wireError) error(h http.Header) *Error { - return &Error{ + err := &Error{ StatusCode: e.Status, ProblemType: e.Type, Detail: e.Detail, Instance: e.Instance, Header: h, + Subproblems: e.Subproblems, } + return err } // CertOption is an optional argument type for the TLS ChallengeCert methods for diff --git a/vendor/golang.org/x/crypto/argon2/argon2.go b/vendor/golang.org/x/crypto/argon2/argon2.go new file mode 100644 index 00000000..b423feae --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/argon2.go @@ -0,0 +1,285 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package argon2 implements the key derivation function Argon2. +// Argon2 was selected as the winner of the Password Hashing Competition and can +// be used to derive cryptographic keys from passwords. +// +// For a detailed specification of Argon2 see [1]. +// +// If you aren't sure which function you need, use Argon2id (IDKey) and +// the parameter recommendations for your scenario. +// +// +// Argon2i +// +// Argon2i (implemented by Key) is the side-channel resistant version of Argon2. +// It uses data-independent memory access, which is preferred for password +// hashing and password-based key derivation. Argon2i requires more passes over +// memory than Argon2id to protect from trade-off attacks. The recommended +// parameters (taken from [2]) for non-interactive operations are time=3 and to +// use the maximum available memory. +// +// +// Argon2id +// +// Argon2id (implemented by IDKey) is a hybrid version of Argon2 combining +// Argon2i and Argon2d. It uses data-independent memory access for the first +// half of the first iteration over the memory and data-dependent memory access +// for the rest. Argon2id is side-channel resistant and provides better brute- +// force cost savings due to time-memory tradeoffs than Argon2i. The recommended +// parameters for non-interactive operations (taken from [2]) are time=1 and to +// use the maximum available memory. +// +// [1] https://github.com/P-H-C/phc-winner-argon2/blob/master/argon2-specs.pdf +// [2] https://tools.ietf.org/html/draft-irtf-cfrg-argon2-03#section-9.3 +package argon2 + +import ( + "encoding/binary" + "sync" + + "golang.org/x/crypto/blake2b" +) + +// The Argon2 version implemented by this package. +const Version = 0x13 + +const ( + argon2d = iota + argon2i + argon2id +) + +// Key derives a key from the password, salt, and cost parameters using Argon2i +// returning a byte slice of length keyLen that can be used as cryptographic +// key. The CPU cost and parallelism degree must be greater than zero. +// +// For example, you can get a derived key for e.g. AES-256 (which needs a +// 32-byte key) by doing: +// +// key := argon2.Key([]byte("some password"), salt, 3, 32*1024, 4, 32) +// +// The draft RFC recommends[2] time=3, and memory=32*1024 is a sensible number. +// If using that amount of memory (32 MB) is not possible in some contexts then +// the time parameter can be increased to compensate. +// +// The time parameter specifies the number of passes over the memory and the +// memory parameter specifies the size of the memory in KiB. For example +// memory=32*1024 sets the memory cost to ~32 MB. The number of threads can be +// adjusted to the number of available CPUs. The cost parameters should be +// increased as memory latency and CPU parallelism increases. Remember to get a +// good random salt. +func Key(password, salt []byte, time, memory uint32, threads uint8, keyLen uint32) []byte { + return deriveKey(argon2i, password, salt, nil, nil, time, memory, threads, keyLen) +} + +// IDKey derives a key from the password, salt, and cost parameters using +// Argon2id returning a byte slice of length keyLen that can be used as +// cryptographic key. The CPU cost and parallelism degree must be greater than +// zero. +// +// For example, you can get a derived key for e.g. AES-256 (which needs a +// 32-byte key) by doing: +// +// key := argon2.IDKey([]byte("some password"), salt, 1, 64*1024, 4, 32) +// +// The draft RFC recommends[2] time=1, and memory=64*1024 is a sensible number. +// If using that amount of memory (64 MB) is not possible in some contexts then +// the time parameter can be increased to compensate. +// +// The time parameter specifies the number of passes over the memory and the +// memory parameter specifies the size of the memory in KiB. For example +// memory=64*1024 sets the memory cost to ~64 MB. The number of threads can be +// adjusted to the numbers of available CPUs. The cost parameters should be +// increased as memory latency and CPU parallelism increases. Remember to get a +// good random salt. +func IDKey(password, salt []byte, time, memory uint32, threads uint8, keyLen uint32) []byte { + return deriveKey(argon2id, password, salt, nil, nil, time, memory, threads, keyLen) +} + +func deriveKey(mode int, password, salt, secret, data []byte, time, memory uint32, threads uint8, keyLen uint32) []byte { + if time < 1 { + panic("argon2: number of rounds too small") + } + if threads < 1 { + panic("argon2: parallelism degree too low") + } + h0 := initHash(password, salt, secret, data, time, memory, uint32(threads), keyLen, mode) + + memory = memory / (syncPoints * uint32(threads)) * (syncPoints * uint32(threads)) + if memory < 2*syncPoints*uint32(threads) { + memory = 2 * syncPoints * uint32(threads) + } + B := initBlocks(&h0, memory, uint32(threads)) + processBlocks(B, time, memory, uint32(threads), mode) + return extractKey(B, memory, uint32(threads), keyLen) +} + +const ( + blockLength = 128 + syncPoints = 4 +) + +type block [blockLength]uint64 + +func initHash(password, salt, key, data []byte, time, memory, threads, keyLen uint32, mode int) [blake2b.Size + 8]byte { + var ( + h0 [blake2b.Size + 8]byte + params [24]byte + tmp [4]byte + ) + + b2, _ := blake2b.New512(nil) + binary.LittleEndian.PutUint32(params[0:4], threads) + binary.LittleEndian.PutUint32(params[4:8], keyLen) + binary.LittleEndian.PutUint32(params[8:12], memory) + binary.LittleEndian.PutUint32(params[12:16], time) + binary.LittleEndian.PutUint32(params[16:20], uint32(Version)) + binary.LittleEndian.PutUint32(params[20:24], uint32(mode)) + b2.Write(params[:]) + binary.LittleEndian.PutUint32(tmp[:], uint32(len(password))) + b2.Write(tmp[:]) + b2.Write(password) + binary.LittleEndian.PutUint32(tmp[:], uint32(len(salt))) + b2.Write(tmp[:]) + b2.Write(salt) + binary.LittleEndian.PutUint32(tmp[:], uint32(len(key))) + b2.Write(tmp[:]) + b2.Write(key) + binary.LittleEndian.PutUint32(tmp[:], uint32(len(data))) + b2.Write(tmp[:]) + b2.Write(data) + b2.Sum(h0[:0]) + return h0 +} + +func initBlocks(h0 *[blake2b.Size + 8]byte, memory, threads uint32) []block { + var block0 [1024]byte + B := make([]block, memory) + for lane := uint32(0); lane < threads; lane++ { + j := lane * (memory / threads) + binary.LittleEndian.PutUint32(h0[blake2b.Size+4:], lane) + + binary.LittleEndian.PutUint32(h0[blake2b.Size:], 0) + blake2bHash(block0[:], h0[:]) + for i := range B[j+0] { + B[j+0][i] = binary.LittleEndian.Uint64(block0[i*8:]) + } + + binary.LittleEndian.PutUint32(h0[blake2b.Size:], 1) + blake2bHash(block0[:], h0[:]) + for i := range B[j+1] { + B[j+1][i] = binary.LittleEndian.Uint64(block0[i*8:]) + } + } + return B +} + +func processBlocks(B []block, time, memory, threads uint32, mode int) { + lanes := memory / threads + segments := lanes / syncPoints + + processSegment := func(n, slice, lane uint32, wg *sync.WaitGroup) { + var addresses, in, zero block + if mode == argon2i || (mode == argon2id && n == 0 && slice < syncPoints/2) { + in[0] = uint64(n) + in[1] = uint64(lane) + in[2] = uint64(slice) + in[3] = uint64(memory) + in[4] = uint64(time) + in[5] = uint64(mode) + } + + index := uint32(0) + if n == 0 && slice == 0 { + index = 2 // we have already generated the first two blocks + if mode == argon2i || mode == argon2id { + in[6]++ + processBlock(&addresses, &in, &zero) + processBlock(&addresses, &addresses, &zero) + } + } + + offset := lane*lanes + slice*segments + index + var random uint64 + for index < segments { + prev := offset - 1 + if index == 0 && slice == 0 { + prev += lanes // last block in lane + } + if mode == argon2i || (mode == argon2id && n == 0 && slice < syncPoints/2) { + if index%blockLength == 0 { + in[6]++ + processBlock(&addresses, &in, &zero) + processBlock(&addresses, &addresses, &zero) + } + random = addresses[index%blockLength] + } else { + random = B[prev][0] + } + newOffset := indexAlpha(random, lanes, segments, threads, n, slice, lane, index) + processBlockXOR(&B[offset], &B[prev], &B[newOffset]) + index, offset = index+1, offset+1 + } + wg.Done() + } + + for n := uint32(0); n < time; n++ { + for slice := uint32(0); slice < syncPoints; slice++ { + var wg sync.WaitGroup + for lane := uint32(0); lane < threads; lane++ { + wg.Add(1) + go processSegment(n, slice, lane, &wg) + } + wg.Wait() + } + } + +} + +func extractKey(B []block, memory, threads, keyLen uint32) []byte { + lanes := memory / threads + for lane := uint32(0); lane < threads-1; lane++ { + for i, v := range B[(lane*lanes)+lanes-1] { + B[memory-1][i] ^= v + } + } + + var block [1024]byte + for i, v := range B[memory-1] { + binary.LittleEndian.PutUint64(block[i*8:], v) + } + key := make([]byte, keyLen) + blake2bHash(key, block[:]) + return key +} + +func indexAlpha(rand uint64, lanes, segments, threads, n, slice, lane, index uint32) uint32 { + refLane := uint32(rand>>32) % threads + if n == 0 && slice == 0 { + refLane = lane + } + m, s := 3*segments, ((slice+1)%syncPoints)*segments + if lane == refLane { + m += index + } + if n == 0 { + m, s = slice*segments, 0 + if slice == 0 || lane == refLane { + m += index + } + } + if index == 0 || lane == refLane { + m-- + } + return phi(rand, uint64(m), uint64(s), refLane, lanes) +} + +func phi(rand, m, s uint64, lane, lanes uint32) uint32 { + p := rand & 0xFFFFFFFF + p = (p * p) >> 32 + p = (p * m) >> 32 + return lane*lanes + uint32((s+m-(p+1))%uint64(lanes)) +} diff --git a/vendor/golang.org/x/crypto/argon2/blake2b.go b/vendor/golang.org/x/crypto/argon2/blake2b.go new file mode 100644 index 00000000..10f46948 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blake2b.go @@ -0,0 +1,53 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package argon2 + +import ( + "encoding/binary" + "hash" + + "golang.org/x/crypto/blake2b" +) + +// blake2bHash computes an arbitrary long hash value of in +// and writes the hash to out. +func blake2bHash(out []byte, in []byte) { + var b2 hash.Hash + if n := len(out); n < blake2b.Size { + b2, _ = blake2b.New(n, nil) + } else { + b2, _ = blake2b.New512(nil) + } + + var buffer [blake2b.Size]byte + binary.LittleEndian.PutUint32(buffer[:4], uint32(len(out))) + b2.Write(buffer[:4]) + b2.Write(in) + + if len(out) <= blake2b.Size { + b2.Sum(out[:0]) + return + } + + outLen := len(out) + b2.Sum(buffer[:0]) + b2.Reset() + copy(out, buffer[:32]) + out = out[32:] + for len(out) > blake2b.Size { + b2.Write(buffer[:]) + b2.Sum(buffer[:0]) + copy(out, buffer[:32]) + out = out[32:] + b2.Reset() + } + + if outLen%blake2b.Size > 0 { // outLen > 64 + r := ((outLen + 31) / 32) - 2 // ⌈τ /32⌉-2 + b2, _ = blake2b.New(outLen-32*r, nil) + } + b2.Write(buffer[:]) + b2.Sum(out[:0]) +} diff --git a/vendor/golang.org/x/crypto/argon2/blamka_amd64.go b/vendor/golang.org/x/crypto/argon2/blamka_amd64.go new file mode 100644 index 00000000..a014ac92 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blamka_amd64.go @@ -0,0 +1,61 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && gc && !purego +// +build amd64,gc,!purego + +package argon2 + +import "golang.org/x/sys/cpu" + +func init() { + useSSE4 = cpu.X86.HasSSE41 +} + +//go:noescape +func mixBlocksSSE2(out, a, b, c *block) + +//go:noescape +func xorBlocksSSE2(out, a, b, c *block) + +//go:noescape +func blamkaSSE4(b *block) + +func processBlockSSE(out, in1, in2 *block, xor bool) { + var t block + mixBlocksSSE2(&t, in1, in2, &t) + if useSSE4 { + blamkaSSE4(&t) + } else { + for i := 0; i < blockLength; i += 16 { + blamkaGeneric( + &t[i+0], &t[i+1], &t[i+2], &t[i+3], + &t[i+4], &t[i+5], &t[i+6], &t[i+7], + &t[i+8], &t[i+9], &t[i+10], &t[i+11], + &t[i+12], &t[i+13], &t[i+14], &t[i+15], + ) + } + for i := 0; i < blockLength/8; i += 2 { + blamkaGeneric( + &t[i], &t[i+1], &t[16+i], &t[16+i+1], + &t[32+i], &t[32+i+1], &t[48+i], &t[48+i+1], + &t[64+i], &t[64+i+1], &t[80+i], &t[80+i+1], + &t[96+i], &t[96+i+1], &t[112+i], &t[112+i+1], + ) + } + } + if xor { + xorBlocksSSE2(out, in1, in2, &t) + } else { + mixBlocksSSE2(out, in1, in2, &t) + } +} + +func processBlock(out, in1, in2 *block) { + processBlockSSE(out, in1, in2, false) +} + +func processBlockXOR(out, in1, in2 *block) { + processBlockSSE(out, in1, in2, true) +} diff --git a/vendor/golang.org/x/crypto/argon2/blamka_amd64.s b/vendor/golang.org/x/crypto/argon2/blamka_amd64.s new file mode 100644 index 00000000..b2cc0515 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blamka_amd64.s @@ -0,0 +1,244 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && gc && !purego +// +build amd64,gc,!purego + +#include "textflag.h" + +DATA ·c40<>+0x00(SB)/8, $0x0201000706050403 +DATA ·c40<>+0x08(SB)/8, $0x0a09080f0e0d0c0b +GLOBL ·c40<>(SB), (NOPTR+RODATA), $16 + +DATA ·c48<>+0x00(SB)/8, $0x0100070605040302 +DATA ·c48<>+0x08(SB)/8, $0x09080f0e0d0c0b0a +GLOBL ·c48<>(SB), (NOPTR+RODATA), $16 + +#define SHUFFLE(v2, v3, v4, v5, v6, v7, t1, t2) \ + MOVO v4, t1; \ + MOVO v5, v4; \ + MOVO t1, v5; \ + MOVO v6, t1; \ + PUNPCKLQDQ v6, t2; \ + PUNPCKHQDQ v7, v6; \ + PUNPCKHQDQ t2, v6; \ + PUNPCKLQDQ v7, t2; \ + MOVO t1, v7; \ + MOVO v2, t1; \ + PUNPCKHQDQ t2, v7; \ + PUNPCKLQDQ v3, t2; \ + PUNPCKHQDQ t2, v2; \ + PUNPCKLQDQ t1, t2; \ + PUNPCKHQDQ t2, v3 + +#define SHUFFLE_INV(v2, v3, v4, v5, v6, v7, t1, t2) \ + MOVO v4, t1; \ + MOVO v5, v4; \ + MOVO t1, v5; \ + MOVO v2, t1; \ + PUNPCKLQDQ v2, t2; \ + PUNPCKHQDQ v3, v2; \ + PUNPCKHQDQ t2, v2; \ + PUNPCKLQDQ v3, t2; \ + MOVO t1, v3; \ + MOVO v6, t1; \ + PUNPCKHQDQ t2, v3; \ + PUNPCKLQDQ v7, t2; \ + PUNPCKHQDQ t2, v6; \ + PUNPCKLQDQ t1, t2; \ + PUNPCKHQDQ t2, v7 + +#define HALF_ROUND(v0, v1, v2, v3, v4, v5, v6, v7, t0, c40, c48) \ + MOVO v0, t0; \ + PMULULQ v2, t0; \ + PADDQ v2, v0; \ + PADDQ t0, v0; \ + PADDQ t0, v0; \ + PXOR v0, v6; \ + PSHUFD $0xB1, v6, v6; \ + MOVO v4, t0; \ + PMULULQ v6, t0; \ + PADDQ v6, v4; \ + PADDQ t0, v4; \ + PADDQ t0, v4; \ + PXOR v4, v2; \ + PSHUFB c40, v2; \ + MOVO v0, t0; \ + PMULULQ v2, t0; \ + PADDQ v2, v0; \ + PADDQ t0, v0; \ + PADDQ t0, v0; \ + PXOR v0, v6; \ + PSHUFB c48, v6; \ + MOVO v4, t0; \ + PMULULQ v6, t0; \ + PADDQ v6, v4; \ + PADDQ t0, v4; \ + PADDQ t0, v4; \ + PXOR v4, v2; \ + MOVO v2, t0; \ + PADDQ v2, t0; \ + PSRLQ $63, v2; \ + PXOR t0, v2; \ + MOVO v1, t0; \ + PMULULQ v3, t0; \ + PADDQ v3, v1; \ + PADDQ t0, v1; \ + PADDQ t0, v1; \ + PXOR v1, v7; \ + PSHUFD $0xB1, v7, v7; \ + MOVO v5, t0; \ + PMULULQ v7, t0; \ + PADDQ v7, v5; \ + PADDQ t0, v5; \ + PADDQ t0, v5; \ + PXOR v5, v3; \ + PSHUFB c40, v3; \ + MOVO v1, t0; \ + PMULULQ v3, t0; \ + PADDQ v3, v1; \ + PADDQ t0, v1; \ + PADDQ t0, v1; \ + PXOR v1, v7; \ + PSHUFB c48, v7; \ + MOVO v5, t0; \ + PMULULQ v7, t0; \ + PADDQ v7, v5; \ + PADDQ t0, v5; \ + PADDQ t0, v5; \ + PXOR v5, v3; \ + MOVO v3, t0; \ + PADDQ v3, t0; \ + PSRLQ $63, v3; \ + PXOR t0, v3 + +#define LOAD_MSG_0(block, off) \ + MOVOU 8*(off+0)(block), X0; \ + MOVOU 8*(off+2)(block), X1; \ + MOVOU 8*(off+4)(block), X2; \ + MOVOU 8*(off+6)(block), X3; \ + MOVOU 8*(off+8)(block), X4; \ + MOVOU 8*(off+10)(block), X5; \ + MOVOU 8*(off+12)(block), X6; \ + MOVOU 8*(off+14)(block), X7 + +#define STORE_MSG_0(block, off) \ + MOVOU X0, 8*(off+0)(block); \ + MOVOU X1, 8*(off+2)(block); \ + MOVOU X2, 8*(off+4)(block); \ + MOVOU X3, 8*(off+6)(block); \ + MOVOU X4, 8*(off+8)(block); \ + MOVOU X5, 8*(off+10)(block); \ + MOVOU X6, 8*(off+12)(block); \ + MOVOU X7, 8*(off+14)(block) + +#define LOAD_MSG_1(block, off) \ + MOVOU 8*off+0*8(block), X0; \ + MOVOU 8*off+16*8(block), X1; \ + MOVOU 8*off+32*8(block), X2; \ + MOVOU 8*off+48*8(block), X3; \ + MOVOU 8*off+64*8(block), X4; \ + MOVOU 8*off+80*8(block), X5; \ + MOVOU 8*off+96*8(block), X6; \ + MOVOU 8*off+112*8(block), X7 + +#define STORE_MSG_1(block, off) \ + MOVOU X0, 8*off+0*8(block); \ + MOVOU X1, 8*off+16*8(block); \ + MOVOU X2, 8*off+32*8(block); \ + MOVOU X3, 8*off+48*8(block); \ + MOVOU X4, 8*off+64*8(block); \ + MOVOU X5, 8*off+80*8(block); \ + MOVOU X6, 8*off+96*8(block); \ + MOVOU X7, 8*off+112*8(block) + +#define BLAMKA_ROUND_0(block, off, t0, t1, c40, c48) \ + LOAD_MSG_0(block, off); \ + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, t0, c40, c48); \ + SHUFFLE(X2, X3, X4, X5, X6, X7, t0, t1); \ + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, t0, c40, c48); \ + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, t0, t1); \ + STORE_MSG_0(block, off) + +#define BLAMKA_ROUND_1(block, off, t0, t1, c40, c48) \ + LOAD_MSG_1(block, off); \ + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, t0, c40, c48); \ + SHUFFLE(X2, X3, X4, X5, X6, X7, t0, t1); \ + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, t0, c40, c48); \ + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, t0, t1); \ + STORE_MSG_1(block, off) + +// func blamkaSSE4(b *block) +TEXT ·blamkaSSE4(SB), 4, $0-8 + MOVQ b+0(FP), AX + + MOVOU ·c40<>(SB), X10 + MOVOU ·c48<>(SB), X11 + + BLAMKA_ROUND_0(AX, 0, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 16, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 32, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 48, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 64, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 80, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 96, X8, X9, X10, X11) + BLAMKA_ROUND_0(AX, 112, X8, X9, X10, X11) + + BLAMKA_ROUND_1(AX, 0, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 2, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 4, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 6, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 8, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 10, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 12, X8, X9, X10, X11) + BLAMKA_ROUND_1(AX, 14, X8, X9, X10, X11) + RET + +// func mixBlocksSSE2(out, a, b, c *block) +TEXT ·mixBlocksSSE2(SB), 4, $0-32 + MOVQ out+0(FP), DX + MOVQ a+8(FP), AX + MOVQ b+16(FP), BX + MOVQ a+24(FP), CX + MOVQ $128, BP + +loop: + MOVOU 0(AX), X0 + MOVOU 0(BX), X1 + MOVOU 0(CX), X2 + PXOR X1, X0 + PXOR X2, X0 + MOVOU X0, 0(DX) + ADDQ $16, AX + ADDQ $16, BX + ADDQ $16, CX + ADDQ $16, DX + SUBQ $2, BP + JA loop + RET + +// func xorBlocksSSE2(out, a, b, c *block) +TEXT ·xorBlocksSSE2(SB), 4, $0-32 + MOVQ out+0(FP), DX + MOVQ a+8(FP), AX + MOVQ b+16(FP), BX + MOVQ a+24(FP), CX + MOVQ $128, BP + +loop: + MOVOU 0(AX), X0 + MOVOU 0(BX), X1 + MOVOU 0(CX), X2 + MOVOU 0(DX), X3 + PXOR X1, X0 + PXOR X2, X0 + PXOR X3, X0 + MOVOU X0, 0(DX) + ADDQ $16, AX + ADDQ $16, BX + ADDQ $16, CX + ADDQ $16, DX + SUBQ $2, BP + JA loop + RET diff --git a/vendor/golang.org/x/crypto/argon2/blamka_generic.go b/vendor/golang.org/x/crypto/argon2/blamka_generic.go new file mode 100644 index 00000000..a481b224 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blamka_generic.go @@ -0,0 +1,163 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package argon2 + +var useSSE4 bool + +func processBlockGeneric(out, in1, in2 *block, xor bool) { + var t block + for i := range t { + t[i] = in1[i] ^ in2[i] + } + for i := 0; i < blockLength; i += 16 { + blamkaGeneric( + &t[i+0], &t[i+1], &t[i+2], &t[i+3], + &t[i+4], &t[i+5], &t[i+6], &t[i+7], + &t[i+8], &t[i+9], &t[i+10], &t[i+11], + &t[i+12], &t[i+13], &t[i+14], &t[i+15], + ) + } + for i := 0; i < blockLength/8; i += 2 { + blamkaGeneric( + &t[i], &t[i+1], &t[16+i], &t[16+i+1], + &t[32+i], &t[32+i+1], &t[48+i], &t[48+i+1], + &t[64+i], &t[64+i+1], &t[80+i], &t[80+i+1], + &t[96+i], &t[96+i+1], &t[112+i], &t[112+i+1], + ) + } + if xor { + for i := range t { + out[i] ^= in1[i] ^ in2[i] ^ t[i] + } + } else { + for i := range t { + out[i] = in1[i] ^ in2[i] ^ t[i] + } + } +} + +func blamkaGeneric(t00, t01, t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t12, t13, t14, t15 *uint64) { + v00, v01, v02, v03 := *t00, *t01, *t02, *t03 + v04, v05, v06, v07 := *t04, *t05, *t06, *t07 + v08, v09, v10, v11 := *t08, *t09, *t10, *t11 + v12, v13, v14, v15 := *t12, *t13, *t14, *t15 + + v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04)) + v12 ^= v00 + v12 = v12>>32 | v12<<32 + v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12)) + v04 ^= v08 + v04 = v04>>24 | v04<<40 + + v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04)) + v12 ^= v00 + v12 = v12>>16 | v12<<48 + v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12)) + v04 ^= v08 + v04 = v04>>63 | v04<<1 + + v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05)) + v13 ^= v01 + v13 = v13>>32 | v13<<32 + v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13)) + v05 ^= v09 + v05 = v05>>24 | v05<<40 + + v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05)) + v13 ^= v01 + v13 = v13>>16 | v13<<48 + v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13)) + v05 ^= v09 + v05 = v05>>63 | v05<<1 + + v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06)) + v14 ^= v02 + v14 = v14>>32 | v14<<32 + v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14)) + v06 ^= v10 + v06 = v06>>24 | v06<<40 + + v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06)) + v14 ^= v02 + v14 = v14>>16 | v14<<48 + v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14)) + v06 ^= v10 + v06 = v06>>63 | v06<<1 + + v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07)) + v15 ^= v03 + v15 = v15>>32 | v15<<32 + v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15)) + v07 ^= v11 + v07 = v07>>24 | v07<<40 + + v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07)) + v15 ^= v03 + v15 = v15>>16 | v15<<48 + v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15)) + v07 ^= v11 + v07 = v07>>63 | v07<<1 + + v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05)) + v15 ^= v00 + v15 = v15>>32 | v15<<32 + v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15)) + v05 ^= v10 + v05 = v05>>24 | v05<<40 + + v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05)) + v15 ^= v00 + v15 = v15>>16 | v15<<48 + v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15)) + v05 ^= v10 + v05 = v05>>63 | v05<<1 + + v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06)) + v12 ^= v01 + v12 = v12>>32 | v12<<32 + v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12)) + v06 ^= v11 + v06 = v06>>24 | v06<<40 + + v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06)) + v12 ^= v01 + v12 = v12>>16 | v12<<48 + v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12)) + v06 ^= v11 + v06 = v06>>63 | v06<<1 + + v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07)) + v13 ^= v02 + v13 = v13>>32 | v13<<32 + v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13)) + v07 ^= v08 + v07 = v07>>24 | v07<<40 + + v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07)) + v13 ^= v02 + v13 = v13>>16 | v13<<48 + v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13)) + v07 ^= v08 + v07 = v07>>63 | v07<<1 + + v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04)) + v14 ^= v03 + v14 = v14>>32 | v14<<32 + v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14)) + v04 ^= v09 + v04 = v04>>24 | v04<<40 + + v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04)) + v14 ^= v03 + v14 = v14>>16 | v14<<48 + v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14)) + v04 ^= v09 + v04 = v04>>63 | v04<<1 + + *t00, *t01, *t02, *t03 = v00, v01, v02, v03 + *t04, *t05, *t06, *t07 = v04, v05, v06, v07 + *t08, *t09, *t10, *t11 = v08, v09, v10, v11 + *t12, *t13, *t14, *t15 = v12, v13, v14, v15 +} diff --git a/vendor/golang.org/x/crypto/argon2/blamka_ref.go b/vendor/golang.org/x/crypto/argon2/blamka_ref.go new file mode 100644 index 00000000..167c59d2 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blamka_ref.go @@ -0,0 +1,16 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !amd64 || purego || !gc +// +build !amd64 purego !gc + +package argon2 + +func processBlock(out, in1, in2 *block) { + processBlockGeneric(out, in1, in2, false) +} + +func processBlockXOR(out, in1, in2 *block) { + processBlockGeneric(out, in1, in2, true) +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2b.go b/vendor/golang.org/x/crypto/blake2b/blake2b.go new file mode 100644 index 00000000..d2e98d42 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2b.go @@ -0,0 +1,291 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package blake2b implements the BLAKE2b hash algorithm defined by RFC 7693 +// and the extendable output function (XOF) BLAKE2Xb. +// +// BLAKE2b is optimized for 64-bit platforms—including NEON-enabled ARMs—and +// produces digests of any size between 1 and 64 bytes. +// For a detailed specification of BLAKE2b see https://blake2.net/blake2.pdf +// and for BLAKE2Xb see https://blake2.net/blake2x.pdf +// +// If you aren't sure which function you need, use BLAKE2b (Sum512 or New512). +// If you need a secret-key MAC (message authentication code), use the New512 +// function with a non-nil key. +// +// BLAKE2X is a construction to compute hash values larger than 64 bytes. It +// can produce hash values between 0 and 4 GiB. +package blake2b + +import ( + "encoding/binary" + "errors" + "hash" +) + +const ( + // The blocksize of BLAKE2b in bytes. + BlockSize = 128 + // The hash size of BLAKE2b-512 in bytes. + Size = 64 + // The hash size of BLAKE2b-384 in bytes. + Size384 = 48 + // The hash size of BLAKE2b-256 in bytes. + Size256 = 32 +) + +var ( + useAVX2 bool + useAVX bool + useSSE4 bool +) + +var ( + errKeySize = errors.New("blake2b: invalid key size") + errHashSize = errors.New("blake2b: invalid hash size") +) + +var iv = [8]uint64{ + 0x6a09e667f3bcc908, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1, + 0x510e527fade682d1, 0x9b05688c2b3e6c1f, 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179, +} + +// Sum512 returns the BLAKE2b-512 checksum of the data. +func Sum512(data []byte) [Size]byte { + var sum [Size]byte + checkSum(&sum, Size, data) + return sum +} + +// Sum384 returns the BLAKE2b-384 checksum of the data. +func Sum384(data []byte) [Size384]byte { + var sum [Size]byte + var sum384 [Size384]byte + checkSum(&sum, Size384, data) + copy(sum384[:], sum[:Size384]) + return sum384 +} + +// Sum256 returns the BLAKE2b-256 checksum of the data. +func Sum256(data []byte) [Size256]byte { + var sum [Size]byte + var sum256 [Size256]byte + checkSum(&sum, Size256, data) + copy(sum256[:], sum[:Size256]) + return sum256 +} + +// New512 returns a new hash.Hash computing the BLAKE2b-512 checksum. A non-nil +// key turns the hash into a MAC. The key must be between zero and 64 bytes long. +func New512(key []byte) (hash.Hash, error) { return newDigest(Size, key) } + +// New384 returns a new hash.Hash computing the BLAKE2b-384 checksum. A non-nil +// key turns the hash into a MAC. The key must be between zero and 64 bytes long. +func New384(key []byte) (hash.Hash, error) { return newDigest(Size384, key) } + +// New256 returns a new hash.Hash computing the BLAKE2b-256 checksum. A non-nil +// key turns the hash into a MAC. The key must be between zero and 64 bytes long. +func New256(key []byte) (hash.Hash, error) { return newDigest(Size256, key) } + +// New returns a new hash.Hash computing the BLAKE2b checksum with a custom length. +// A non-nil key turns the hash into a MAC. The key must be between zero and 64 bytes long. +// The hash size can be a value between 1 and 64 but it is highly recommended to use +// values equal or greater than: +// - 32 if BLAKE2b is used as a hash function (The key is zero bytes long). +// - 16 if BLAKE2b is used as a MAC function (The key is at least 16 bytes long). +// When the key is nil, the returned hash.Hash implements BinaryMarshaler +// and BinaryUnmarshaler for state (de)serialization as documented by hash.Hash. +func New(size int, key []byte) (hash.Hash, error) { return newDigest(size, key) } + +func newDigest(hashSize int, key []byte) (*digest, error) { + if hashSize < 1 || hashSize > Size { + return nil, errHashSize + } + if len(key) > Size { + return nil, errKeySize + } + d := &digest{ + size: hashSize, + keyLen: len(key), + } + copy(d.key[:], key) + d.Reset() + return d, nil +} + +func checkSum(sum *[Size]byte, hashSize int, data []byte) { + h := iv + h[0] ^= uint64(hashSize) | (1 << 16) | (1 << 24) + var c [2]uint64 + + if length := len(data); length > BlockSize { + n := length &^ (BlockSize - 1) + if length == n { + n -= BlockSize + } + hashBlocks(&h, &c, 0, data[:n]) + data = data[n:] + } + + var block [BlockSize]byte + offset := copy(block[:], data) + remaining := uint64(BlockSize - offset) + if c[0] < remaining { + c[1]-- + } + c[0] -= remaining + + hashBlocks(&h, &c, 0xFFFFFFFFFFFFFFFF, block[:]) + + for i, v := range h[:(hashSize+7)/8] { + binary.LittleEndian.PutUint64(sum[8*i:], v) + } +} + +type digest struct { + h [8]uint64 + c [2]uint64 + size int + block [BlockSize]byte + offset int + + key [BlockSize]byte + keyLen int +} + +const ( + magic = "b2b" + marshaledSize = len(magic) + 8*8 + 2*8 + 1 + BlockSize + 1 +) + +func (d *digest) MarshalBinary() ([]byte, error) { + if d.keyLen != 0 { + return nil, errors.New("crypto/blake2b: cannot marshal MACs") + } + b := make([]byte, 0, marshaledSize) + b = append(b, magic...) + for i := 0; i < 8; i++ { + b = appendUint64(b, d.h[i]) + } + b = appendUint64(b, d.c[0]) + b = appendUint64(b, d.c[1]) + // Maximum value for size is 64 + b = append(b, byte(d.size)) + b = append(b, d.block[:]...) + b = append(b, byte(d.offset)) + return b, nil +} + +func (d *digest) UnmarshalBinary(b []byte) error { + if len(b) < len(magic) || string(b[:len(magic)]) != magic { + return errors.New("crypto/blake2b: invalid hash state identifier") + } + if len(b) != marshaledSize { + return errors.New("crypto/blake2b: invalid hash state size") + } + b = b[len(magic):] + for i := 0; i < 8; i++ { + b, d.h[i] = consumeUint64(b) + } + b, d.c[0] = consumeUint64(b) + b, d.c[1] = consumeUint64(b) + d.size = int(b[0]) + b = b[1:] + copy(d.block[:], b[:BlockSize]) + b = b[BlockSize:] + d.offset = int(b[0]) + return nil +} + +func (d *digest) BlockSize() int { return BlockSize } + +func (d *digest) Size() int { return d.size } + +func (d *digest) Reset() { + d.h = iv + d.h[0] ^= uint64(d.size) | (uint64(d.keyLen) << 8) | (1 << 16) | (1 << 24) + d.offset, d.c[0], d.c[1] = 0, 0, 0 + if d.keyLen > 0 { + d.block = d.key + d.offset = BlockSize + } +} + +func (d *digest) Write(p []byte) (n int, err error) { + n = len(p) + + if d.offset > 0 { + remaining := BlockSize - d.offset + if n <= remaining { + d.offset += copy(d.block[d.offset:], p) + return + } + copy(d.block[d.offset:], p[:remaining]) + hashBlocks(&d.h, &d.c, 0, d.block[:]) + d.offset = 0 + p = p[remaining:] + } + + if length := len(p); length > BlockSize { + nn := length &^ (BlockSize - 1) + if length == nn { + nn -= BlockSize + } + hashBlocks(&d.h, &d.c, 0, p[:nn]) + p = p[nn:] + } + + if len(p) > 0 { + d.offset += copy(d.block[:], p) + } + + return +} + +func (d *digest) Sum(sum []byte) []byte { + var hash [Size]byte + d.finalize(&hash) + return append(sum, hash[:d.size]...) +} + +func (d *digest) finalize(hash *[Size]byte) { + var block [BlockSize]byte + copy(block[:], d.block[:d.offset]) + remaining := uint64(BlockSize - d.offset) + + c := d.c + if c[0] < remaining { + c[1]-- + } + c[0] -= remaining + + h := d.h + hashBlocks(&h, &c, 0xFFFFFFFFFFFFFFFF, block[:]) + + for i, v := range h { + binary.LittleEndian.PutUint64(hash[8*i:], v) + } +} + +func appendUint64(b []byte, x uint64) []byte { + var a [8]byte + binary.BigEndian.PutUint64(a[:], x) + return append(b, a[:]...) +} + +func appendUint32(b []byte, x uint32) []byte { + var a [4]byte + binary.BigEndian.PutUint32(a[:], x) + return append(b, a[:]...) +} + +func consumeUint64(b []byte) ([]byte, uint64) { + x := binary.BigEndian.Uint64(b) + return b[8:], x +} + +func consumeUint32(b []byte) ([]byte, uint32) { + x := binary.BigEndian.Uint32(b) + return b[4:], x +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go new file mode 100644 index 00000000..56bfaaa1 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go @@ -0,0 +1,38 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.7 && amd64 && gc && !purego +// +build go1.7,amd64,gc,!purego + +package blake2b + +import "golang.org/x/sys/cpu" + +func init() { + useAVX2 = cpu.X86.HasAVX2 + useAVX = cpu.X86.HasAVX + useSSE4 = cpu.X86.HasSSE41 +} + +//go:noescape +func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) + +//go:noescape +func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) + +//go:noescape +func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) + +func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) { + switch { + case useAVX2: + hashBlocksAVX2(h, c, flag, blocks) + case useAVX: + hashBlocksAVX(h, c, flag, blocks) + case useSSE4: + hashBlocksSSE4(h, c, flag, blocks) + default: + hashBlocksGeneric(h, c, flag, blocks) + } +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.s b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.s new file mode 100644 index 00000000..4b9daa18 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.s @@ -0,0 +1,745 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.7 && amd64 && gc && !purego +// +build go1.7,amd64,gc,!purego + +#include "textflag.h" + +DATA ·AVX2_iv0<>+0x00(SB)/8, $0x6a09e667f3bcc908 +DATA ·AVX2_iv0<>+0x08(SB)/8, $0xbb67ae8584caa73b +DATA ·AVX2_iv0<>+0x10(SB)/8, $0x3c6ef372fe94f82b +DATA ·AVX2_iv0<>+0x18(SB)/8, $0xa54ff53a5f1d36f1 +GLOBL ·AVX2_iv0<>(SB), (NOPTR+RODATA), $32 + +DATA ·AVX2_iv1<>+0x00(SB)/8, $0x510e527fade682d1 +DATA ·AVX2_iv1<>+0x08(SB)/8, $0x9b05688c2b3e6c1f +DATA ·AVX2_iv1<>+0x10(SB)/8, $0x1f83d9abfb41bd6b +DATA ·AVX2_iv1<>+0x18(SB)/8, $0x5be0cd19137e2179 +GLOBL ·AVX2_iv1<>(SB), (NOPTR+RODATA), $32 + +DATA ·AVX2_c40<>+0x00(SB)/8, $0x0201000706050403 +DATA ·AVX2_c40<>+0x08(SB)/8, $0x0a09080f0e0d0c0b +DATA ·AVX2_c40<>+0x10(SB)/8, $0x0201000706050403 +DATA ·AVX2_c40<>+0x18(SB)/8, $0x0a09080f0e0d0c0b +GLOBL ·AVX2_c40<>(SB), (NOPTR+RODATA), $32 + +DATA ·AVX2_c48<>+0x00(SB)/8, $0x0100070605040302 +DATA ·AVX2_c48<>+0x08(SB)/8, $0x09080f0e0d0c0b0a +DATA ·AVX2_c48<>+0x10(SB)/8, $0x0100070605040302 +DATA ·AVX2_c48<>+0x18(SB)/8, $0x09080f0e0d0c0b0a +GLOBL ·AVX2_c48<>(SB), (NOPTR+RODATA), $32 + +DATA ·AVX_iv0<>+0x00(SB)/8, $0x6a09e667f3bcc908 +DATA ·AVX_iv0<>+0x08(SB)/8, $0xbb67ae8584caa73b +GLOBL ·AVX_iv0<>(SB), (NOPTR+RODATA), $16 + +DATA ·AVX_iv1<>+0x00(SB)/8, $0x3c6ef372fe94f82b +DATA ·AVX_iv1<>+0x08(SB)/8, $0xa54ff53a5f1d36f1 +GLOBL ·AVX_iv1<>(SB), (NOPTR+RODATA), $16 + +DATA ·AVX_iv2<>+0x00(SB)/8, $0x510e527fade682d1 +DATA ·AVX_iv2<>+0x08(SB)/8, $0x9b05688c2b3e6c1f +GLOBL ·AVX_iv2<>(SB), (NOPTR+RODATA), $16 + +DATA ·AVX_iv3<>+0x00(SB)/8, $0x1f83d9abfb41bd6b +DATA ·AVX_iv3<>+0x08(SB)/8, $0x5be0cd19137e2179 +GLOBL ·AVX_iv3<>(SB), (NOPTR+RODATA), $16 + +DATA ·AVX_c40<>+0x00(SB)/8, $0x0201000706050403 +DATA ·AVX_c40<>+0x08(SB)/8, $0x0a09080f0e0d0c0b +GLOBL ·AVX_c40<>(SB), (NOPTR+RODATA), $16 + +DATA ·AVX_c48<>+0x00(SB)/8, $0x0100070605040302 +DATA ·AVX_c48<>+0x08(SB)/8, $0x09080f0e0d0c0b0a +GLOBL ·AVX_c48<>(SB), (NOPTR+RODATA), $16 + +#define VPERMQ_0x39_Y1_Y1 BYTE $0xc4; BYTE $0xe3; BYTE $0xfd; BYTE $0x00; BYTE $0xc9; BYTE $0x39 +#define VPERMQ_0x93_Y1_Y1 BYTE $0xc4; BYTE $0xe3; BYTE $0xfd; BYTE $0x00; BYTE $0xc9; BYTE $0x93 +#define VPERMQ_0x4E_Y2_Y2 BYTE $0xc4; BYTE $0xe3; BYTE $0xfd; BYTE $0x00; BYTE $0xd2; BYTE $0x4e +#define VPERMQ_0x93_Y3_Y3 BYTE $0xc4; BYTE $0xe3; BYTE $0xfd; BYTE $0x00; BYTE $0xdb; BYTE $0x93 +#define VPERMQ_0x39_Y3_Y3 BYTE $0xc4; BYTE $0xe3; BYTE $0xfd; BYTE $0x00; BYTE $0xdb; BYTE $0x39 + +#define ROUND_AVX2(m0, m1, m2, m3, t, c40, c48) \ + VPADDQ m0, Y0, Y0; \ + VPADDQ Y1, Y0, Y0; \ + VPXOR Y0, Y3, Y3; \ + VPSHUFD $-79, Y3, Y3; \ + VPADDQ Y3, Y2, Y2; \ + VPXOR Y2, Y1, Y1; \ + VPSHUFB c40, Y1, Y1; \ + VPADDQ m1, Y0, Y0; \ + VPADDQ Y1, Y0, Y0; \ + VPXOR Y0, Y3, Y3; \ + VPSHUFB c48, Y3, Y3; \ + VPADDQ Y3, Y2, Y2; \ + VPXOR Y2, Y1, Y1; \ + VPADDQ Y1, Y1, t; \ + VPSRLQ $63, Y1, Y1; \ + VPXOR t, Y1, Y1; \ + VPERMQ_0x39_Y1_Y1; \ + VPERMQ_0x4E_Y2_Y2; \ + VPERMQ_0x93_Y3_Y3; \ + VPADDQ m2, Y0, Y0; \ + VPADDQ Y1, Y0, Y0; \ + VPXOR Y0, Y3, Y3; \ + VPSHUFD $-79, Y3, Y3; \ + VPADDQ Y3, Y2, Y2; \ + VPXOR Y2, Y1, Y1; \ + VPSHUFB c40, Y1, Y1; \ + VPADDQ m3, Y0, Y0; \ + VPADDQ Y1, Y0, Y0; \ + VPXOR Y0, Y3, Y3; \ + VPSHUFB c48, Y3, Y3; \ + VPADDQ Y3, Y2, Y2; \ + VPXOR Y2, Y1, Y1; \ + VPADDQ Y1, Y1, t; \ + VPSRLQ $63, Y1, Y1; \ + VPXOR t, Y1, Y1; \ + VPERMQ_0x39_Y3_Y3; \ + VPERMQ_0x4E_Y2_Y2; \ + VPERMQ_0x93_Y1_Y1 + +#define VMOVQ_SI_X11_0 BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x1E +#define VMOVQ_SI_X12_0 BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x26 +#define VMOVQ_SI_X13_0 BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x2E +#define VMOVQ_SI_X14_0 BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x36 +#define VMOVQ_SI_X15_0 BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x3E + +#define VMOVQ_SI_X11(n) BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x5E; BYTE $n +#define VMOVQ_SI_X12(n) BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x66; BYTE $n +#define VMOVQ_SI_X13(n) BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x6E; BYTE $n +#define VMOVQ_SI_X14(n) BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x76; BYTE $n +#define VMOVQ_SI_X15(n) BYTE $0xC5; BYTE $0x7A; BYTE $0x7E; BYTE $0x7E; BYTE $n + +#define VPINSRQ_1_SI_X11_0 BYTE $0xC4; BYTE $0x63; BYTE $0xA1; BYTE $0x22; BYTE $0x1E; BYTE $0x01 +#define VPINSRQ_1_SI_X12_0 BYTE $0xC4; BYTE $0x63; BYTE $0x99; BYTE $0x22; BYTE $0x26; BYTE $0x01 +#define VPINSRQ_1_SI_X13_0 BYTE $0xC4; BYTE $0x63; BYTE $0x91; BYTE $0x22; BYTE $0x2E; BYTE $0x01 +#define VPINSRQ_1_SI_X14_0 BYTE $0xC4; BYTE $0x63; BYTE $0x89; BYTE $0x22; BYTE $0x36; BYTE $0x01 +#define VPINSRQ_1_SI_X15_0 BYTE $0xC4; BYTE $0x63; BYTE $0x81; BYTE $0x22; BYTE $0x3E; BYTE $0x01 + +#define VPINSRQ_1_SI_X11(n) BYTE $0xC4; BYTE $0x63; BYTE $0xA1; BYTE $0x22; BYTE $0x5E; BYTE $n; BYTE $0x01 +#define VPINSRQ_1_SI_X12(n) BYTE $0xC4; BYTE $0x63; BYTE $0x99; BYTE $0x22; BYTE $0x66; BYTE $n; BYTE $0x01 +#define VPINSRQ_1_SI_X13(n) BYTE $0xC4; BYTE $0x63; BYTE $0x91; BYTE $0x22; BYTE $0x6E; BYTE $n; BYTE $0x01 +#define VPINSRQ_1_SI_X14(n) BYTE $0xC4; BYTE $0x63; BYTE $0x89; BYTE $0x22; BYTE $0x76; BYTE $n; BYTE $0x01 +#define VPINSRQ_1_SI_X15(n) BYTE $0xC4; BYTE $0x63; BYTE $0x81; BYTE $0x22; BYTE $0x7E; BYTE $n; BYTE $0x01 + +#define VMOVQ_R8_X15 BYTE $0xC4; BYTE $0x41; BYTE $0xF9; BYTE $0x6E; BYTE $0xF8 +#define VPINSRQ_1_R9_X15 BYTE $0xC4; BYTE $0x43; BYTE $0x81; BYTE $0x22; BYTE $0xF9; BYTE $0x01 + +// load msg: Y12 = (i0, i1, i2, i3) +// i0, i1, i2, i3 must not be 0 +#define LOAD_MSG_AVX2_Y12(i0, i1, i2, i3) \ + VMOVQ_SI_X12(i0*8); \ + VMOVQ_SI_X11(i2*8); \ + VPINSRQ_1_SI_X12(i1*8); \ + VPINSRQ_1_SI_X11(i3*8); \ + VINSERTI128 $1, X11, Y12, Y12 + +// load msg: Y13 = (i0, i1, i2, i3) +// i0, i1, i2, i3 must not be 0 +#define LOAD_MSG_AVX2_Y13(i0, i1, i2, i3) \ + VMOVQ_SI_X13(i0*8); \ + VMOVQ_SI_X11(i2*8); \ + VPINSRQ_1_SI_X13(i1*8); \ + VPINSRQ_1_SI_X11(i3*8); \ + VINSERTI128 $1, X11, Y13, Y13 + +// load msg: Y14 = (i0, i1, i2, i3) +// i0, i1, i2, i3 must not be 0 +#define LOAD_MSG_AVX2_Y14(i0, i1, i2, i3) \ + VMOVQ_SI_X14(i0*8); \ + VMOVQ_SI_X11(i2*8); \ + VPINSRQ_1_SI_X14(i1*8); \ + VPINSRQ_1_SI_X11(i3*8); \ + VINSERTI128 $1, X11, Y14, Y14 + +// load msg: Y15 = (i0, i1, i2, i3) +// i0, i1, i2, i3 must not be 0 +#define LOAD_MSG_AVX2_Y15(i0, i1, i2, i3) \ + VMOVQ_SI_X15(i0*8); \ + VMOVQ_SI_X11(i2*8); \ + VPINSRQ_1_SI_X15(i1*8); \ + VPINSRQ_1_SI_X11(i3*8); \ + VINSERTI128 $1, X11, Y15, Y15 + +#define LOAD_MSG_AVX2_0_2_4_6_1_3_5_7_8_10_12_14_9_11_13_15() \ + VMOVQ_SI_X12_0; \ + VMOVQ_SI_X11(4*8); \ + VPINSRQ_1_SI_X12(2*8); \ + VPINSRQ_1_SI_X11(6*8); \ + VINSERTI128 $1, X11, Y12, Y12; \ + LOAD_MSG_AVX2_Y13(1, 3, 5, 7); \ + LOAD_MSG_AVX2_Y14(8, 10, 12, 14); \ + LOAD_MSG_AVX2_Y15(9, 11, 13, 15) + +#define LOAD_MSG_AVX2_14_4_9_13_10_8_15_6_1_0_11_5_12_2_7_3() \ + LOAD_MSG_AVX2_Y12(14, 4, 9, 13); \ + LOAD_MSG_AVX2_Y13(10, 8, 15, 6); \ + VMOVQ_SI_X11(11*8); \ + VPSHUFD $0x4E, 0*8(SI), X14; \ + VPINSRQ_1_SI_X11(5*8); \ + VINSERTI128 $1, X11, Y14, Y14; \ + LOAD_MSG_AVX2_Y15(12, 2, 7, 3) + +#define LOAD_MSG_AVX2_11_12_5_15_8_0_2_13_10_3_7_9_14_6_1_4() \ + VMOVQ_SI_X11(5*8); \ + VMOVDQU 11*8(SI), X12; \ + VPINSRQ_1_SI_X11(15*8); \ + VINSERTI128 $1, X11, Y12, Y12; \ + VMOVQ_SI_X13(8*8); \ + VMOVQ_SI_X11(2*8); \ + VPINSRQ_1_SI_X13_0; \ + VPINSRQ_1_SI_X11(13*8); \ + VINSERTI128 $1, X11, Y13, Y13; \ + LOAD_MSG_AVX2_Y14(10, 3, 7, 9); \ + LOAD_MSG_AVX2_Y15(14, 6, 1, 4) + +#define LOAD_MSG_AVX2_7_3_13_11_9_1_12_14_2_5_4_15_6_10_0_8() \ + LOAD_MSG_AVX2_Y12(7, 3, 13, 11); \ + LOAD_MSG_AVX2_Y13(9, 1, 12, 14); \ + LOAD_MSG_AVX2_Y14(2, 5, 4, 15); \ + VMOVQ_SI_X15(6*8); \ + VMOVQ_SI_X11_0; \ + VPINSRQ_1_SI_X15(10*8); \ + VPINSRQ_1_SI_X11(8*8); \ + VINSERTI128 $1, X11, Y15, Y15 + +#define LOAD_MSG_AVX2_9_5_2_10_0_7_4_15_14_11_6_3_1_12_8_13() \ + LOAD_MSG_AVX2_Y12(9, 5, 2, 10); \ + VMOVQ_SI_X13_0; \ + VMOVQ_SI_X11(4*8); \ + VPINSRQ_1_SI_X13(7*8); \ + VPINSRQ_1_SI_X11(15*8); \ + VINSERTI128 $1, X11, Y13, Y13; \ + LOAD_MSG_AVX2_Y14(14, 11, 6, 3); \ + LOAD_MSG_AVX2_Y15(1, 12, 8, 13) + +#define LOAD_MSG_AVX2_2_6_0_8_12_10_11_3_4_7_15_1_13_5_14_9() \ + VMOVQ_SI_X12(2*8); \ + VMOVQ_SI_X11_0; \ + VPINSRQ_1_SI_X12(6*8); \ + VPINSRQ_1_SI_X11(8*8); \ + VINSERTI128 $1, X11, Y12, Y12; \ + LOAD_MSG_AVX2_Y13(12, 10, 11, 3); \ + LOAD_MSG_AVX2_Y14(4, 7, 15, 1); \ + LOAD_MSG_AVX2_Y15(13, 5, 14, 9) + +#define LOAD_MSG_AVX2_12_1_14_4_5_15_13_10_0_6_9_8_7_3_2_11() \ + LOAD_MSG_AVX2_Y12(12, 1, 14, 4); \ + LOAD_MSG_AVX2_Y13(5, 15, 13, 10); \ + VMOVQ_SI_X14_0; \ + VPSHUFD $0x4E, 8*8(SI), X11; \ + VPINSRQ_1_SI_X14(6*8); \ + VINSERTI128 $1, X11, Y14, Y14; \ + LOAD_MSG_AVX2_Y15(7, 3, 2, 11) + +#define LOAD_MSG_AVX2_13_7_12_3_11_14_1_9_5_15_8_2_0_4_6_10() \ + LOAD_MSG_AVX2_Y12(13, 7, 12, 3); \ + LOAD_MSG_AVX2_Y13(11, 14, 1, 9); \ + LOAD_MSG_AVX2_Y14(5, 15, 8, 2); \ + VMOVQ_SI_X15_0; \ + VMOVQ_SI_X11(6*8); \ + VPINSRQ_1_SI_X15(4*8); \ + VPINSRQ_1_SI_X11(10*8); \ + VINSERTI128 $1, X11, Y15, Y15 + +#define LOAD_MSG_AVX2_6_14_11_0_15_9_3_8_12_13_1_10_2_7_4_5() \ + VMOVQ_SI_X12(6*8); \ + VMOVQ_SI_X11(11*8); \ + VPINSRQ_1_SI_X12(14*8); \ + VPINSRQ_1_SI_X11_0; \ + VINSERTI128 $1, X11, Y12, Y12; \ + LOAD_MSG_AVX2_Y13(15, 9, 3, 8); \ + VMOVQ_SI_X11(1*8); \ + VMOVDQU 12*8(SI), X14; \ + VPINSRQ_1_SI_X11(10*8); \ + VINSERTI128 $1, X11, Y14, Y14; \ + VMOVQ_SI_X15(2*8); \ + VMOVDQU 4*8(SI), X11; \ + VPINSRQ_1_SI_X15(7*8); \ + VINSERTI128 $1, X11, Y15, Y15 + +#define LOAD_MSG_AVX2_10_8_7_1_2_4_6_5_15_9_3_13_11_14_12_0() \ + LOAD_MSG_AVX2_Y12(10, 8, 7, 1); \ + VMOVQ_SI_X13(2*8); \ + VPSHUFD $0x4E, 5*8(SI), X11; \ + VPINSRQ_1_SI_X13(4*8); \ + VINSERTI128 $1, X11, Y13, Y13; \ + LOAD_MSG_AVX2_Y14(15, 9, 3, 13); \ + VMOVQ_SI_X15(11*8); \ + VMOVQ_SI_X11(12*8); \ + VPINSRQ_1_SI_X15(14*8); \ + VPINSRQ_1_SI_X11_0; \ + VINSERTI128 $1, X11, Y15, Y15 + +// func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) +TEXT ·hashBlocksAVX2(SB), 4, $320-48 // frame size = 288 + 32 byte alignment + MOVQ h+0(FP), AX + MOVQ c+8(FP), BX + MOVQ flag+16(FP), CX + MOVQ blocks_base+24(FP), SI + MOVQ blocks_len+32(FP), DI + + MOVQ SP, DX + ADDQ $31, DX + ANDQ $~31, DX + + MOVQ CX, 16(DX) + XORQ CX, CX + MOVQ CX, 24(DX) + + VMOVDQU ·AVX2_c40<>(SB), Y4 + VMOVDQU ·AVX2_c48<>(SB), Y5 + + VMOVDQU 0(AX), Y8 + VMOVDQU 32(AX), Y9 + VMOVDQU ·AVX2_iv0<>(SB), Y6 + VMOVDQU ·AVX2_iv1<>(SB), Y7 + + MOVQ 0(BX), R8 + MOVQ 8(BX), R9 + MOVQ R9, 8(DX) + +loop: + ADDQ $128, R8 + MOVQ R8, 0(DX) + CMPQ R8, $128 + JGE noinc + INCQ R9 + MOVQ R9, 8(DX) + +noinc: + VMOVDQA Y8, Y0 + VMOVDQA Y9, Y1 + VMOVDQA Y6, Y2 + VPXOR 0(DX), Y7, Y3 + + LOAD_MSG_AVX2_0_2_4_6_1_3_5_7_8_10_12_14_9_11_13_15() + VMOVDQA Y12, 32(DX) + VMOVDQA Y13, 64(DX) + VMOVDQA Y14, 96(DX) + VMOVDQA Y15, 128(DX) + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_14_4_9_13_10_8_15_6_1_0_11_5_12_2_7_3() + VMOVDQA Y12, 160(DX) + VMOVDQA Y13, 192(DX) + VMOVDQA Y14, 224(DX) + VMOVDQA Y15, 256(DX) + + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_11_12_5_15_8_0_2_13_10_3_7_9_14_6_1_4() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_7_3_13_11_9_1_12_14_2_5_4_15_6_10_0_8() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_9_5_2_10_0_7_4_15_14_11_6_3_1_12_8_13() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_2_6_0_8_12_10_11_3_4_7_15_1_13_5_14_9() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_12_1_14_4_5_15_13_10_0_6_9_8_7_3_2_11() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_13_7_12_3_11_14_1_9_5_15_8_2_0_4_6_10() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_6_14_11_0_15_9_3_8_12_13_1_10_2_7_4_5() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + LOAD_MSG_AVX2_10_8_7_1_2_4_6_5_15_9_3_13_11_14_12_0() + ROUND_AVX2(Y12, Y13, Y14, Y15, Y10, Y4, Y5) + + ROUND_AVX2(32(DX), 64(DX), 96(DX), 128(DX), Y10, Y4, Y5) + ROUND_AVX2(160(DX), 192(DX), 224(DX), 256(DX), Y10, Y4, Y5) + + VPXOR Y0, Y8, Y8 + VPXOR Y1, Y9, Y9 + VPXOR Y2, Y8, Y8 + VPXOR Y3, Y9, Y9 + + LEAQ 128(SI), SI + SUBQ $128, DI + JNE loop + + MOVQ R8, 0(BX) + MOVQ R9, 8(BX) + + VMOVDQU Y8, 0(AX) + VMOVDQU Y9, 32(AX) + VZEROUPPER + + RET + +#define VPUNPCKLQDQ_X2_X2_X15 BYTE $0xC5; BYTE $0x69; BYTE $0x6C; BYTE $0xFA +#define VPUNPCKLQDQ_X3_X3_X15 BYTE $0xC5; BYTE $0x61; BYTE $0x6C; BYTE $0xFB +#define VPUNPCKLQDQ_X7_X7_X15 BYTE $0xC5; BYTE $0x41; BYTE $0x6C; BYTE $0xFF +#define VPUNPCKLQDQ_X13_X13_X15 BYTE $0xC4; BYTE $0x41; BYTE $0x11; BYTE $0x6C; BYTE $0xFD +#define VPUNPCKLQDQ_X14_X14_X15 BYTE $0xC4; BYTE $0x41; BYTE $0x09; BYTE $0x6C; BYTE $0xFE + +#define VPUNPCKHQDQ_X15_X2_X2 BYTE $0xC4; BYTE $0xC1; BYTE $0x69; BYTE $0x6D; BYTE $0xD7 +#define VPUNPCKHQDQ_X15_X3_X3 BYTE $0xC4; BYTE $0xC1; BYTE $0x61; BYTE $0x6D; BYTE $0xDF +#define VPUNPCKHQDQ_X15_X6_X6 BYTE $0xC4; BYTE $0xC1; BYTE $0x49; BYTE $0x6D; BYTE $0xF7 +#define VPUNPCKHQDQ_X15_X7_X7 BYTE $0xC4; BYTE $0xC1; BYTE $0x41; BYTE $0x6D; BYTE $0xFF +#define VPUNPCKHQDQ_X15_X3_X2 BYTE $0xC4; BYTE $0xC1; BYTE $0x61; BYTE $0x6D; BYTE $0xD7 +#define VPUNPCKHQDQ_X15_X7_X6 BYTE $0xC4; BYTE $0xC1; BYTE $0x41; BYTE $0x6D; BYTE $0xF7 +#define VPUNPCKHQDQ_X15_X13_X3 BYTE $0xC4; BYTE $0xC1; BYTE $0x11; BYTE $0x6D; BYTE $0xDF +#define VPUNPCKHQDQ_X15_X13_X7 BYTE $0xC4; BYTE $0xC1; BYTE $0x11; BYTE $0x6D; BYTE $0xFF + +#define SHUFFLE_AVX() \ + VMOVDQA X6, X13; \ + VMOVDQA X2, X14; \ + VMOVDQA X4, X6; \ + VPUNPCKLQDQ_X13_X13_X15; \ + VMOVDQA X5, X4; \ + VMOVDQA X6, X5; \ + VPUNPCKHQDQ_X15_X7_X6; \ + VPUNPCKLQDQ_X7_X7_X15; \ + VPUNPCKHQDQ_X15_X13_X7; \ + VPUNPCKLQDQ_X3_X3_X15; \ + VPUNPCKHQDQ_X15_X2_X2; \ + VPUNPCKLQDQ_X14_X14_X15; \ + VPUNPCKHQDQ_X15_X3_X3; \ + +#define SHUFFLE_AVX_INV() \ + VMOVDQA X2, X13; \ + VMOVDQA X4, X14; \ + VPUNPCKLQDQ_X2_X2_X15; \ + VMOVDQA X5, X4; \ + VPUNPCKHQDQ_X15_X3_X2; \ + VMOVDQA X14, X5; \ + VPUNPCKLQDQ_X3_X3_X15; \ + VMOVDQA X6, X14; \ + VPUNPCKHQDQ_X15_X13_X3; \ + VPUNPCKLQDQ_X7_X7_X15; \ + VPUNPCKHQDQ_X15_X6_X6; \ + VPUNPCKLQDQ_X14_X14_X15; \ + VPUNPCKHQDQ_X15_X7_X7; \ + +#define HALF_ROUND_AVX(v0, v1, v2, v3, v4, v5, v6, v7, m0, m1, m2, m3, t0, c40, c48) \ + VPADDQ m0, v0, v0; \ + VPADDQ v2, v0, v0; \ + VPADDQ m1, v1, v1; \ + VPADDQ v3, v1, v1; \ + VPXOR v0, v6, v6; \ + VPXOR v1, v7, v7; \ + VPSHUFD $-79, v6, v6; \ + VPSHUFD $-79, v7, v7; \ + VPADDQ v6, v4, v4; \ + VPADDQ v7, v5, v5; \ + VPXOR v4, v2, v2; \ + VPXOR v5, v3, v3; \ + VPSHUFB c40, v2, v2; \ + VPSHUFB c40, v3, v3; \ + VPADDQ m2, v0, v0; \ + VPADDQ v2, v0, v0; \ + VPADDQ m3, v1, v1; \ + VPADDQ v3, v1, v1; \ + VPXOR v0, v6, v6; \ + VPXOR v1, v7, v7; \ + VPSHUFB c48, v6, v6; \ + VPSHUFB c48, v7, v7; \ + VPADDQ v6, v4, v4; \ + VPADDQ v7, v5, v5; \ + VPXOR v4, v2, v2; \ + VPXOR v5, v3, v3; \ + VPADDQ v2, v2, t0; \ + VPSRLQ $63, v2, v2; \ + VPXOR t0, v2, v2; \ + VPADDQ v3, v3, t0; \ + VPSRLQ $63, v3, v3; \ + VPXOR t0, v3, v3 + +// load msg: X12 = (i0, i1), X13 = (i2, i3), X14 = (i4, i5), X15 = (i6, i7) +// i0, i1, i2, i3, i4, i5, i6, i7 must not be 0 +#define LOAD_MSG_AVX(i0, i1, i2, i3, i4, i5, i6, i7) \ + VMOVQ_SI_X12(i0*8); \ + VMOVQ_SI_X13(i2*8); \ + VMOVQ_SI_X14(i4*8); \ + VMOVQ_SI_X15(i6*8); \ + VPINSRQ_1_SI_X12(i1*8); \ + VPINSRQ_1_SI_X13(i3*8); \ + VPINSRQ_1_SI_X14(i5*8); \ + VPINSRQ_1_SI_X15(i7*8) + +// load msg: X12 = (0, 2), X13 = (4, 6), X14 = (1, 3), X15 = (5, 7) +#define LOAD_MSG_AVX_0_2_4_6_1_3_5_7() \ + VMOVQ_SI_X12_0; \ + VMOVQ_SI_X13(4*8); \ + VMOVQ_SI_X14(1*8); \ + VMOVQ_SI_X15(5*8); \ + VPINSRQ_1_SI_X12(2*8); \ + VPINSRQ_1_SI_X13(6*8); \ + VPINSRQ_1_SI_X14(3*8); \ + VPINSRQ_1_SI_X15(7*8) + +// load msg: X12 = (1, 0), X13 = (11, 5), X14 = (12, 2), X15 = (7, 3) +#define LOAD_MSG_AVX_1_0_11_5_12_2_7_3() \ + VPSHUFD $0x4E, 0*8(SI), X12; \ + VMOVQ_SI_X13(11*8); \ + VMOVQ_SI_X14(12*8); \ + VMOVQ_SI_X15(7*8); \ + VPINSRQ_1_SI_X13(5*8); \ + VPINSRQ_1_SI_X14(2*8); \ + VPINSRQ_1_SI_X15(3*8) + +// load msg: X12 = (11, 12), X13 = (5, 15), X14 = (8, 0), X15 = (2, 13) +#define LOAD_MSG_AVX_11_12_5_15_8_0_2_13() \ + VMOVDQU 11*8(SI), X12; \ + VMOVQ_SI_X13(5*8); \ + VMOVQ_SI_X14(8*8); \ + VMOVQ_SI_X15(2*8); \ + VPINSRQ_1_SI_X13(15*8); \ + VPINSRQ_1_SI_X14_0; \ + VPINSRQ_1_SI_X15(13*8) + +// load msg: X12 = (2, 5), X13 = (4, 15), X14 = (6, 10), X15 = (0, 8) +#define LOAD_MSG_AVX_2_5_4_15_6_10_0_8() \ + VMOVQ_SI_X12(2*8); \ + VMOVQ_SI_X13(4*8); \ + VMOVQ_SI_X14(6*8); \ + VMOVQ_SI_X15_0; \ + VPINSRQ_1_SI_X12(5*8); \ + VPINSRQ_1_SI_X13(15*8); \ + VPINSRQ_1_SI_X14(10*8); \ + VPINSRQ_1_SI_X15(8*8) + +// load msg: X12 = (9, 5), X13 = (2, 10), X14 = (0, 7), X15 = (4, 15) +#define LOAD_MSG_AVX_9_5_2_10_0_7_4_15() \ + VMOVQ_SI_X12(9*8); \ + VMOVQ_SI_X13(2*8); \ + VMOVQ_SI_X14_0; \ + VMOVQ_SI_X15(4*8); \ + VPINSRQ_1_SI_X12(5*8); \ + VPINSRQ_1_SI_X13(10*8); \ + VPINSRQ_1_SI_X14(7*8); \ + VPINSRQ_1_SI_X15(15*8) + +// load msg: X12 = (2, 6), X13 = (0, 8), X14 = (12, 10), X15 = (11, 3) +#define LOAD_MSG_AVX_2_6_0_8_12_10_11_3() \ + VMOVQ_SI_X12(2*8); \ + VMOVQ_SI_X13_0; \ + VMOVQ_SI_X14(12*8); \ + VMOVQ_SI_X15(11*8); \ + VPINSRQ_1_SI_X12(6*8); \ + VPINSRQ_1_SI_X13(8*8); \ + VPINSRQ_1_SI_X14(10*8); \ + VPINSRQ_1_SI_X15(3*8) + +// load msg: X12 = (0, 6), X13 = (9, 8), X14 = (7, 3), X15 = (2, 11) +#define LOAD_MSG_AVX_0_6_9_8_7_3_2_11() \ + MOVQ 0*8(SI), X12; \ + VPSHUFD $0x4E, 8*8(SI), X13; \ + MOVQ 7*8(SI), X14; \ + MOVQ 2*8(SI), X15; \ + VPINSRQ_1_SI_X12(6*8); \ + VPINSRQ_1_SI_X14(3*8); \ + VPINSRQ_1_SI_X15(11*8) + +// load msg: X12 = (6, 14), X13 = (11, 0), X14 = (15, 9), X15 = (3, 8) +#define LOAD_MSG_AVX_6_14_11_0_15_9_3_8() \ + MOVQ 6*8(SI), X12; \ + MOVQ 11*8(SI), X13; \ + MOVQ 15*8(SI), X14; \ + MOVQ 3*8(SI), X15; \ + VPINSRQ_1_SI_X12(14*8); \ + VPINSRQ_1_SI_X13_0; \ + VPINSRQ_1_SI_X14(9*8); \ + VPINSRQ_1_SI_X15(8*8) + +// load msg: X12 = (5, 15), X13 = (8, 2), X14 = (0, 4), X15 = (6, 10) +#define LOAD_MSG_AVX_5_15_8_2_0_4_6_10() \ + MOVQ 5*8(SI), X12; \ + MOVQ 8*8(SI), X13; \ + MOVQ 0*8(SI), X14; \ + MOVQ 6*8(SI), X15; \ + VPINSRQ_1_SI_X12(15*8); \ + VPINSRQ_1_SI_X13(2*8); \ + VPINSRQ_1_SI_X14(4*8); \ + VPINSRQ_1_SI_X15(10*8) + +// load msg: X12 = (12, 13), X13 = (1, 10), X14 = (2, 7), X15 = (4, 5) +#define LOAD_MSG_AVX_12_13_1_10_2_7_4_5() \ + VMOVDQU 12*8(SI), X12; \ + MOVQ 1*8(SI), X13; \ + MOVQ 2*8(SI), X14; \ + VPINSRQ_1_SI_X13(10*8); \ + VPINSRQ_1_SI_X14(7*8); \ + VMOVDQU 4*8(SI), X15 + +// load msg: X12 = (15, 9), X13 = (3, 13), X14 = (11, 14), X15 = (12, 0) +#define LOAD_MSG_AVX_15_9_3_13_11_14_12_0() \ + MOVQ 15*8(SI), X12; \ + MOVQ 3*8(SI), X13; \ + MOVQ 11*8(SI), X14; \ + MOVQ 12*8(SI), X15; \ + VPINSRQ_1_SI_X12(9*8); \ + VPINSRQ_1_SI_X13(13*8); \ + VPINSRQ_1_SI_X14(14*8); \ + VPINSRQ_1_SI_X15_0 + +// func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) +TEXT ·hashBlocksAVX(SB), 4, $288-48 // frame size = 272 + 16 byte alignment + MOVQ h+0(FP), AX + MOVQ c+8(FP), BX + MOVQ flag+16(FP), CX + MOVQ blocks_base+24(FP), SI + MOVQ blocks_len+32(FP), DI + + MOVQ SP, R10 + ADDQ $15, R10 + ANDQ $~15, R10 + + VMOVDQU ·AVX_c40<>(SB), X0 + VMOVDQU ·AVX_c48<>(SB), X1 + VMOVDQA X0, X8 + VMOVDQA X1, X9 + + VMOVDQU ·AVX_iv3<>(SB), X0 + VMOVDQA X0, 0(R10) + XORQ CX, 0(R10) // 0(R10) = ·AVX_iv3 ^ (CX || 0) + + VMOVDQU 0(AX), X10 + VMOVDQU 16(AX), X11 + VMOVDQU 32(AX), X2 + VMOVDQU 48(AX), X3 + + MOVQ 0(BX), R8 + MOVQ 8(BX), R9 + +loop: + ADDQ $128, R8 + CMPQ R8, $128 + JGE noinc + INCQ R9 + +noinc: + VMOVQ_R8_X15 + VPINSRQ_1_R9_X15 + + VMOVDQA X10, X0 + VMOVDQA X11, X1 + VMOVDQU ·AVX_iv0<>(SB), X4 + VMOVDQU ·AVX_iv1<>(SB), X5 + VMOVDQU ·AVX_iv2<>(SB), X6 + + VPXOR X15, X6, X6 + VMOVDQA 0(R10), X7 + + LOAD_MSG_AVX_0_2_4_6_1_3_5_7() + VMOVDQA X12, 16(R10) + VMOVDQA X13, 32(R10) + VMOVDQA X14, 48(R10) + VMOVDQA X15, 64(R10) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX(8, 10, 12, 14, 9, 11, 13, 15) + VMOVDQA X12, 80(R10) + VMOVDQA X13, 96(R10) + VMOVDQA X14, 112(R10) + VMOVDQA X15, 128(R10) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX(14, 4, 9, 13, 10, 8, 15, 6) + VMOVDQA X12, 144(R10) + VMOVDQA X13, 160(R10) + VMOVDQA X14, 176(R10) + VMOVDQA X15, 192(R10) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_1_0_11_5_12_2_7_3() + VMOVDQA X12, 208(R10) + VMOVDQA X13, 224(R10) + VMOVDQA X14, 240(R10) + VMOVDQA X15, 256(R10) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX_11_12_5_15_8_0_2_13() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX(10, 3, 7, 9, 14, 6, 1, 4) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX(7, 3, 13, 11, 9, 1, 12, 14) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_2_5_4_15_6_10_0_8() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX_9_5_2_10_0_7_4_15() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX(14, 11, 6, 3, 1, 12, 8, 13) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX_2_6_0_8_12_10_11_3() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX(4, 7, 15, 1, 13, 5, 14, 9) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX(12, 1, 14, 4, 5, 15, 13, 10) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_0_6_9_8_7_3_2_11() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX(13, 7, 12, 3, 11, 14, 1, 9) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_5_15_8_2_0_4_6_10() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX_6_14_11_0_15_9_3_8() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_12_13_1_10_2_7_4_5() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + LOAD_MSG_AVX(10, 8, 7, 1, 2, 4, 6, 5) + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX() + LOAD_MSG_AVX_15_9_3_13_11_14_12_0() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, X12, X13, X14, X15, X15, X8, X9) + SHUFFLE_AVX_INV() + + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, 16(R10), 32(R10), 48(R10), 64(R10), X15, X8, X9) + SHUFFLE_AVX() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, 80(R10), 96(R10), 112(R10), 128(R10), X15, X8, X9) + SHUFFLE_AVX_INV() + + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, 144(R10), 160(R10), 176(R10), 192(R10), X15, X8, X9) + SHUFFLE_AVX() + HALF_ROUND_AVX(X0, X1, X2, X3, X4, X5, X6, X7, 208(R10), 224(R10), 240(R10), 256(R10), X15, X8, X9) + SHUFFLE_AVX_INV() + + VMOVDQU 32(AX), X14 + VMOVDQU 48(AX), X15 + VPXOR X0, X10, X10 + VPXOR X1, X11, X11 + VPXOR X2, X14, X14 + VPXOR X3, X15, X15 + VPXOR X4, X10, X10 + VPXOR X5, X11, X11 + VPXOR X6, X14, X2 + VPXOR X7, X15, X3 + VMOVDQU X2, 32(AX) + VMOVDQU X3, 48(AX) + + LEAQ 128(SI), SI + SUBQ $128, DI + JNE loop + + VMOVDQU X10, 0(AX) + VMOVDQU X11, 16(AX) + + MOVQ R8, 0(BX) + MOVQ R9, 8(BX) + VZEROUPPER + + RET diff --git a/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.go b/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.go new file mode 100644 index 00000000..5fa1b328 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.go @@ -0,0 +1,25 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !go1.7 && amd64 && gc && !purego +// +build !go1.7,amd64,gc,!purego + +package blake2b + +import "golang.org/x/sys/cpu" + +func init() { + useSSE4 = cpu.X86.HasSSE41 +} + +//go:noescape +func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) + +func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) { + if useSSE4 { + hashBlocksSSE4(h, c, flag, blocks) + } else { + hashBlocksGeneric(h, c, flag, blocks) + } +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.s b/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.s new file mode 100644 index 00000000..ae75eb9a --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2b_amd64.s @@ -0,0 +1,279 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && gc && !purego +// +build amd64,gc,!purego + +#include "textflag.h" + +DATA ·iv0<>+0x00(SB)/8, $0x6a09e667f3bcc908 +DATA ·iv0<>+0x08(SB)/8, $0xbb67ae8584caa73b +GLOBL ·iv0<>(SB), (NOPTR+RODATA), $16 + +DATA ·iv1<>+0x00(SB)/8, $0x3c6ef372fe94f82b +DATA ·iv1<>+0x08(SB)/8, $0xa54ff53a5f1d36f1 +GLOBL ·iv1<>(SB), (NOPTR+RODATA), $16 + +DATA ·iv2<>+0x00(SB)/8, $0x510e527fade682d1 +DATA ·iv2<>+0x08(SB)/8, $0x9b05688c2b3e6c1f +GLOBL ·iv2<>(SB), (NOPTR+RODATA), $16 + +DATA ·iv3<>+0x00(SB)/8, $0x1f83d9abfb41bd6b +DATA ·iv3<>+0x08(SB)/8, $0x5be0cd19137e2179 +GLOBL ·iv3<>(SB), (NOPTR+RODATA), $16 + +DATA ·c40<>+0x00(SB)/8, $0x0201000706050403 +DATA ·c40<>+0x08(SB)/8, $0x0a09080f0e0d0c0b +GLOBL ·c40<>(SB), (NOPTR+RODATA), $16 + +DATA ·c48<>+0x00(SB)/8, $0x0100070605040302 +DATA ·c48<>+0x08(SB)/8, $0x09080f0e0d0c0b0a +GLOBL ·c48<>(SB), (NOPTR+RODATA), $16 + +#define SHUFFLE(v2, v3, v4, v5, v6, v7, t1, t2) \ + MOVO v4, t1; \ + MOVO v5, v4; \ + MOVO t1, v5; \ + MOVO v6, t1; \ + PUNPCKLQDQ v6, t2; \ + PUNPCKHQDQ v7, v6; \ + PUNPCKHQDQ t2, v6; \ + PUNPCKLQDQ v7, t2; \ + MOVO t1, v7; \ + MOVO v2, t1; \ + PUNPCKHQDQ t2, v7; \ + PUNPCKLQDQ v3, t2; \ + PUNPCKHQDQ t2, v2; \ + PUNPCKLQDQ t1, t2; \ + PUNPCKHQDQ t2, v3 + +#define SHUFFLE_INV(v2, v3, v4, v5, v6, v7, t1, t2) \ + MOVO v4, t1; \ + MOVO v5, v4; \ + MOVO t1, v5; \ + MOVO v2, t1; \ + PUNPCKLQDQ v2, t2; \ + PUNPCKHQDQ v3, v2; \ + PUNPCKHQDQ t2, v2; \ + PUNPCKLQDQ v3, t2; \ + MOVO t1, v3; \ + MOVO v6, t1; \ + PUNPCKHQDQ t2, v3; \ + PUNPCKLQDQ v7, t2; \ + PUNPCKHQDQ t2, v6; \ + PUNPCKLQDQ t1, t2; \ + PUNPCKHQDQ t2, v7 + +#define HALF_ROUND(v0, v1, v2, v3, v4, v5, v6, v7, m0, m1, m2, m3, t0, c40, c48) \ + PADDQ m0, v0; \ + PADDQ m1, v1; \ + PADDQ v2, v0; \ + PADDQ v3, v1; \ + PXOR v0, v6; \ + PXOR v1, v7; \ + PSHUFD $0xB1, v6, v6; \ + PSHUFD $0xB1, v7, v7; \ + PADDQ v6, v4; \ + PADDQ v7, v5; \ + PXOR v4, v2; \ + PXOR v5, v3; \ + PSHUFB c40, v2; \ + PSHUFB c40, v3; \ + PADDQ m2, v0; \ + PADDQ m3, v1; \ + PADDQ v2, v0; \ + PADDQ v3, v1; \ + PXOR v0, v6; \ + PXOR v1, v7; \ + PSHUFB c48, v6; \ + PSHUFB c48, v7; \ + PADDQ v6, v4; \ + PADDQ v7, v5; \ + PXOR v4, v2; \ + PXOR v5, v3; \ + MOVOU v2, t0; \ + PADDQ v2, t0; \ + PSRLQ $63, v2; \ + PXOR t0, v2; \ + MOVOU v3, t0; \ + PADDQ v3, t0; \ + PSRLQ $63, v3; \ + PXOR t0, v3 + +#define LOAD_MSG(m0, m1, m2, m3, src, i0, i1, i2, i3, i4, i5, i6, i7) \ + MOVQ i0*8(src), m0; \ + PINSRQ $1, i1*8(src), m0; \ + MOVQ i2*8(src), m1; \ + PINSRQ $1, i3*8(src), m1; \ + MOVQ i4*8(src), m2; \ + PINSRQ $1, i5*8(src), m2; \ + MOVQ i6*8(src), m3; \ + PINSRQ $1, i7*8(src), m3 + +// func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) +TEXT ·hashBlocksSSE4(SB), 4, $288-48 // frame size = 272 + 16 byte alignment + MOVQ h+0(FP), AX + MOVQ c+8(FP), BX + MOVQ flag+16(FP), CX + MOVQ blocks_base+24(FP), SI + MOVQ blocks_len+32(FP), DI + + MOVQ SP, R10 + ADDQ $15, R10 + ANDQ $~15, R10 + + MOVOU ·iv3<>(SB), X0 + MOVO X0, 0(R10) + XORQ CX, 0(R10) // 0(R10) = ·iv3 ^ (CX || 0) + + MOVOU ·c40<>(SB), X13 + MOVOU ·c48<>(SB), X14 + + MOVOU 0(AX), X12 + MOVOU 16(AX), X15 + + MOVQ 0(BX), R8 + MOVQ 8(BX), R9 + +loop: + ADDQ $128, R8 + CMPQ R8, $128 + JGE noinc + INCQ R9 + +noinc: + MOVQ R8, X8 + PINSRQ $1, R9, X8 + + MOVO X12, X0 + MOVO X15, X1 + MOVOU 32(AX), X2 + MOVOU 48(AX), X3 + MOVOU ·iv0<>(SB), X4 + MOVOU ·iv1<>(SB), X5 + MOVOU ·iv2<>(SB), X6 + + PXOR X8, X6 + MOVO 0(R10), X7 + + LOAD_MSG(X8, X9, X10, X11, SI, 0, 2, 4, 6, 1, 3, 5, 7) + MOVO X8, 16(R10) + MOVO X9, 32(R10) + MOVO X10, 48(R10) + MOVO X11, 64(R10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 8, 10, 12, 14, 9, 11, 13, 15) + MOVO X8, 80(R10) + MOVO X9, 96(R10) + MOVO X10, 112(R10) + MOVO X11, 128(R10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 14, 4, 9, 13, 10, 8, 15, 6) + MOVO X8, 144(R10) + MOVO X9, 160(R10) + MOVO X10, 176(R10) + MOVO X11, 192(R10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 1, 0, 11, 5, 12, 2, 7, 3) + MOVO X8, 208(R10) + MOVO X9, 224(R10) + MOVO X10, 240(R10) + MOVO X11, 256(R10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 11, 12, 5, 15, 8, 0, 2, 13) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 10, 3, 7, 9, 14, 6, 1, 4) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 7, 3, 13, 11, 9, 1, 12, 14) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 2, 5, 4, 15, 6, 10, 0, 8) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 9, 5, 2, 10, 0, 7, 4, 15) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 14, 11, 6, 3, 1, 12, 8, 13) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 2, 6, 0, 8, 12, 10, 11, 3) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 4, 7, 15, 1, 13, 5, 14, 9) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 12, 1, 14, 4, 5, 15, 13, 10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 0, 6, 9, 8, 7, 3, 2, 11) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 13, 7, 12, 3, 11, 14, 1, 9) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 5, 15, 8, 2, 0, 4, 6, 10) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 6, 14, 11, 0, 15, 9, 3, 8) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 12, 13, 1, 10, 2, 7, 4, 5) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + LOAD_MSG(X8, X9, X10, X11, SI, 10, 8, 7, 1, 2, 4, 6, 5) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + LOAD_MSG(X8, X9, X10, X11, SI, 15, 9, 3, 13, 11, 14, 12, 0) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, 16(R10), 32(R10), 48(R10), 64(R10), X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, 80(R10), 96(R10), 112(R10), 128(R10), X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, 144(R10), 160(R10), 176(R10), 192(R10), X11, X13, X14) + SHUFFLE(X2, X3, X4, X5, X6, X7, X8, X9) + HALF_ROUND(X0, X1, X2, X3, X4, X5, X6, X7, 208(R10), 224(R10), 240(R10), 256(R10), X11, X13, X14) + SHUFFLE_INV(X2, X3, X4, X5, X6, X7, X8, X9) + + MOVOU 32(AX), X10 + MOVOU 48(AX), X11 + PXOR X0, X12 + PXOR X1, X15 + PXOR X2, X10 + PXOR X3, X11 + PXOR X4, X12 + PXOR X5, X15 + PXOR X6, X10 + PXOR X7, X11 + MOVOU X10, 32(AX) + MOVOU X11, 48(AX) + + LEAQ 128(SI), SI + SUBQ $128, DI + JNE loop + + MOVOU X12, 0(AX) + MOVOU X15, 16(AX) + + MOVQ R8, 0(BX) + MOVQ R9, 8(BX) + + RET diff --git a/vendor/golang.org/x/crypto/blake2b/blake2b_generic.go b/vendor/golang.org/x/crypto/blake2b/blake2b_generic.go new file mode 100644 index 00000000..3168a8aa --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2b_generic.go @@ -0,0 +1,182 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package blake2b + +import ( + "encoding/binary" + "math/bits" +) + +// the precomputed values for BLAKE2b +// there are 12 16-byte arrays - one for each round +// the entries are calculated from the sigma constants. +var precomputed = [12][16]byte{ + {0, 2, 4, 6, 1, 3, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15}, + {14, 4, 9, 13, 10, 8, 15, 6, 1, 0, 11, 5, 12, 2, 7, 3}, + {11, 12, 5, 15, 8, 0, 2, 13, 10, 3, 7, 9, 14, 6, 1, 4}, + {7, 3, 13, 11, 9, 1, 12, 14, 2, 5, 4, 15, 6, 10, 0, 8}, + {9, 5, 2, 10, 0, 7, 4, 15, 14, 11, 6, 3, 1, 12, 8, 13}, + {2, 6, 0, 8, 12, 10, 11, 3, 4, 7, 15, 1, 13, 5, 14, 9}, + {12, 1, 14, 4, 5, 15, 13, 10, 0, 6, 9, 8, 7, 3, 2, 11}, + {13, 7, 12, 3, 11, 14, 1, 9, 5, 15, 8, 2, 0, 4, 6, 10}, + {6, 14, 11, 0, 15, 9, 3, 8, 12, 13, 1, 10, 2, 7, 4, 5}, + {10, 8, 7, 1, 2, 4, 6, 5, 15, 9, 3, 13, 11, 14, 12, 0}, + {0, 2, 4, 6, 1, 3, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15}, // equal to the first + {14, 4, 9, 13, 10, 8, 15, 6, 1, 0, 11, 5, 12, 2, 7, 3}, // equal to the second +} + +func hashBlocksGeneric(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) { + var m [16]uint64 + c0, c1 := c[0], c[1] + + for i := 0; i < len(blocks); { + c0 += BlockSize + if c0 < BlockSize { + c1++ + } + + v0, v1, v2, v3, v4, v5, v6, v7 := h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7] + v8, v9, v10, v11, v12, v13, v14, v15 := iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7] + v12 ^= c0 + v13 ^= c1 + v14 ^= flag + + for j := range m { + m[j] = binary.LittleEndian.Uint64(blocks[i:]) + i += 8 + } + + for j := range precomputed { + s := &(precomputed[j]) + + v0 += m[s[0]] + v0 += v4 + v12 ^= v0 + v12 = bits.RotateLeft64(v12, -32) + v8 += v12 + v4 ^= v8 + v4 = bits.RotateLeft64(v4, -24) + v1 += m[s[1]] + v1 += v5 + v13 ^= v1 + v13 = bits.RotateLeft64(v13, -32) + v9 += v13 + v5 ^= v9 + v5 = bits.RotateLeft64(v5, -24) + v2 += m[s[2]] + v2 += v6 + v14 ^= v2 + v14 = bits.RotateLeft64(v14, -32) + v10 += v14 + v6 ^= v10 + v6 = bits.RotateLeft64(v6, -24) + v3 += m[s[3]] + v3 += v7 + v15 ^= v3 + v15 = bits.RotateLeft64(v15, -32) + v11 += v15 + v7 ^= v11 + v7 = bits.RotateLeft64(v7, -24) + + v0 += m[s[4]] + v0 += v4 + v12 ^= v0 + v12 = bits.RotateLeft64(v12, -16) + v8 += v12 + v4 ^= v8 + v4 = bits.RotateLeft64(v4, -63) + v1 += m[s[5]] + v1 += v5 + v13 ^= v1 + v13 = bits.RotateLeft64(v13, -16) + v9 += v13 + v5 ^= v9 + v5 = bits.RotateLeft64(v5, -63) + v2 += m[s[6]] + v2 += v6 + v14 ^= v2 + v14 = bits.RotateLeft64(v14, -16) + v10 += v14 + v6 ^= v10 + v6 = bits.RotateLeft64(v6, -63) + v3 += m[s[7]] + v3 += v7 + v15 ^= v3 + v15 = bits.RotateLeft64(v15, -16) + v11 += v15 + v7 ^= v11 + v7 = bits.RotateLeft64(v7, -63) + + v0 += m[s[8]] + v0 += v5 + v15 ^= v0 + v15 = bits.RotateLeft64(v15, -32) + v10 += v15 + v5 ^= v10 + v5 = bits.RotateLeft64(v5, -24) + v1 += m[s[9]] + v1 += v6 + v12 ^= v1 + v12 = bits.RotateLeft64(v12, -32) + v11 += v12 + v6 ^= v11 + v6 = bits.RotateLeft64(v6, -24) + v2 += m[s[10]] + v2 += v7 + v13 ^= v2 + v13 = bits.RotateLeft64(v13, -32) + v8 += v13 + v7 ^= v8 + v7 = bits.RotateLeft64(v7, -24) + v3 += m[s[11]] + v3 += v4 + v14 ^= v3 + v14 = bits.RotateLeft64(v14, -32) + v9 += v14 + v4 ^= v9 + v4 = bits.RotateLeft64(v4, -24) + + v0 += m[s[12]] + v0 += v5 + v15 ^= v0 + v15 = bits.RotateLeft64(v15, -16) + v10 += v15 + v5 ^= v10 + v5 = bits.RotateLeft64(v5, -63) + v1 += m[s[13]] + v1 += v6 + v12 ^= v1 + v12 = bits.RotateLeft64(v12, -16) + v11 += v12 + v6 ^= v11 + v6 = bits.RotateLeft64(v6, -63) + v2 += m[s[14]] + v2 += v7 + v13 ^= v2 + v13 = bits.RotateLeft64(v13, -16) + v8 += v13 + v7 ^= v8 + v7 = bits.RotateLeft64(v7, -63) + v3 += m[s[15]] + v3 += v4 + v14 ^= v3 + v14 = bits.RotateLeft64(v14, -16) + v9 += v14 + v4 ^= v9 + v4 = bits.RotateLeft64(v4, -63) + + } + + h[0] ^= v0 ^ v8 + h[1] ^= v1 ^ v9 + h[2] ^= v2 ^ v10 + h[3] ^= v3 ^ v11 + h[4] ^= v4 ^ v12 + h[5] ^= v5 ^ v13 + h[6] ^= v6 ^ v14 + h[7] ^= v7 ^ v15 + } + c[0], c[1] = c0, c1 +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2b_ref.go b/vendor/golang.org/x/crypto/blake2b/blake2b_ref.go new file mode 100644 index 00000000..b0137cdf --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2b_ref.go @@ -0,0 +1,12 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !amd64 || purego || !gc +// +build !amd64 purego !gc + +package blake2b + +func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) { + hashBlocksGeneric(h, c, flag, blocks) +} diff --git a/vendor/golang.org/x/crypto/blake2b/blake2x.go b/vendor/golang.org/x/crypto/blake2b/blake2x.go new file mode 100644 index 00000000..52c414db --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2x.go @@ -0,0 +1,177 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package blake2b + +import ( + "encoding/binary" + "errors" + "io" +) + +// XOF defines the interface to hash functions that +// support arbitrary-length output. +type XOF interface { + // Write absorbs more data into the hash's state. It panics if called + // after Read. + io.Writer + + // Read reads more output from the hash. It returns io.EOF if the limit + // has been reached. + io.Reader + + // Clone returns a copy of the XOF in its current state. + Clone() XOF + + // Reset resets the XOF to its initial state. + Reset() +} + +// OutputLengthUnknown can be used as the size argument to NewXOF to indicate +// the length of the output is not known in advance. +const OutputLengthUnknown = 0 + +// magicUnknownOutputLength is a magic value for the output size that indicates +// an unknown number of output bytes. +const magicUnknownOutputLength = (1 << 32) - 1 + +// maxOutputLength is the absolute maximum number of bytes to produce when the +// number of output bytes is unknown. +const maxOutputLength = (1 << 32) * 64 + +// NewXOF creates a new variable-output-length hash. The hash either produce a +// known number of bytes (1 <= size < 2**32-1), or an unknown number of bytes +// (size == OutputLengthUnknown). In the latter case, an absolute limit of +// 256GiB applies. +// +// A non-nil key turns the hash into a MAC. The key must between +// zero and 32 bytes long. +func NewXOF(size uint32, key []byte) (XOF, error) { + if len(key) > Size { + return nil, errKeySize + } + if size == magicUnknownOutputLength { + // 2^32-1 indicates an unknown number of bytes and thus isn't a + // valid length. + return nil, errors.New("blake2b: XOF length too large") + } + if size == OutputLengthUnknown { + size = magicUnknownOutputLength + } + x := &xof{ + d: digest{ + size: Size, + keyLen: len(key), + }, + length: size, + } + copy(x.d.key[:], key) + x.Reset() + return x, nil +} + +type xof struct { + d digest + length uint32 + remaining uint64 + cfg, root, block [Size]byte + offset int + nodeOffset uint32 + readMode bool +} + +func (x *xof) Write(p []byte) (n int, err error) { + if x.readMode { + panic("blake2b: write to XOF after read") + } + return x.d.Write(p) +} + +func (x *xof) Clone() XOF { + clone := *x + return &clone +} + +func (x *xof) Reset() { + x.cfg[0] = byte(Size) + binary.LittleEndian.PutUint32(x.cfg[4:], uint32(Size)) // leaf length + binary.LittleEndian.PutUint32(x.cfg[12:], x.length) // XOF length + x.cfg[17] = byte(Size) // inner hash size + + x.d.Reset() + x.d.h[1] ^= uint64(x.length) << 32 + + x.remaining = uint64(x.length) + if x.remaining == magicUnknownOutputLength { + x.remaining = maxOutputLength + } + x.offset, x.nodeOffset = 0, 0 + x.readMode = false +} + +func (x *xof) Read(p []byte) (n int, err error) { + if !x.readMode { + x.d.finalize(&x.root) + x.readMode = true + } + + if x.remaining == 0 { + return 0, io.EOF + } + + n = len(p) + if uint64(n) > x.remaining { + n = int(x.remaining) + p = p[:n] + } + + if x.offset > 0 { + blockRemaining := Size - x.offset + if n < blockRemaining { + x.offset += copy(p, x.block[x.offset:]) + x.remaining -= uint64(n) + return + } + copy(p, x.block[x.offset:]) + p = p[blockRemaining:] + x.offset = 0 + x.remaining -= uint64(blockRemaining) + } + + for len(p) >= Size { + binary.LittleEndian.PutUint32(x.cfg[8:], x.nodeOffset) + x.nodeOffset++ + + x.d.initConfig(&x.cfg) + x.d.Write(x.root[:]) + x.d.finalize(&x.block) + + copy(p, x.block[:]) + p = p[Size:] + x.remaining -= uint64(Size) + } + + if todo := len(p); todo > 0 { + if x.remaining < uint64(Size) { + x.cfg[0] = byte(x.remaining) + } + binary.LittleEndian.PutUint32(x.cfg[8:], x.nodeOffset) + x.nodeOffset++ + + x.d.initConfig(&x.cfg) + x.d.Write(x.root[:]) + x.d.finalize(&x.block) + + x.offset = copy(p, x.block[:todo]) + x.remaining -= uint64(todo) + } + return +} + +func (d *digest) initConfig(cfg *[Size]byte) { + d.offset, d.c[0], d.c[1] = 0, 0, 0 + for i := range d.h { + d.h[i] = iv[i] ^ binary.LittleEndian.Uint64(cfg[i*8:]) + } +} diff --git a/vendor/golang.org/x/crypto/blake2b/register.go b/vendor/golang.org/x/crypto/blake2b/register.go new file mode 100644 index 00000000..9d863396 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/register.go @@ -0,0 +1,33 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.9 +// +build go1.9 + +package blake2b + +import ( + "crypto" + "hash" +) + +func init() { + newHash256 := func() hash.Hash { + h, _ := New256(nil) + return h + } + newHash384 := func() hash.Hash { + h, _ := New384(nil) + return h + } + + newHash512 := func() hash.Hash { + h, _ := New512(nil) + return h + } + + crypto.RegisterHash(crypto.BLAKE2b_256, newHash256) + crypto.RegisterHash(crypto.BLAKE2b_384, newHash384) + crypto.RegisterHash(crypto.BLAKE2b_512, newHash512) +} diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s index 8fb49a13..63cae9e6 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build go1.11 && gc && !purego // +build go1.11,gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s index 3dad4b2f..5c0fed26 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s @@ -19,6 +19,7 @@ // The differences in this and the original implementation are // due to the calling conventions and initialization of constants. +//go:build gc && !purego // +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s index 81816118..f3ef5a01 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build gc && !purego // +build gc,!purego #include "go_asm.h" diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519.go b/vendor/golang.org/x/crypto/curve25519/curve25519.go index 4b9a655d..cda3fdd3 100644 --- a/vendor/golang.org/x/crypto/curve25519/curve25519.go +++ b/vendor/golang.org/x/crypto/curve25519/curve25519.go @@ -10,6 +10,8 @@ package curve25519 // import "golang.org/x/crypto/curve25519" import ( "crypto/subtle" "fmt" + + "golang.org/x/crypto/curve25519/internal/field" ) // ScalarMult sets dst to the product scalar * point. @@ -18,7 +20,55 @@ import ( // zeroes, irrespective of the scalar. Instead, use the X25519 function, which // will return an error. func ScalarMult(dst, scalar, point *[32]byte) { - scalarMult(dst, scalar, point) + var e [32]byte + + copy(e[:], scalar[:]) + e[0] &= 248 + e[31] &= 127 + e[31] |= 64 + + var x1, x2, z2, x3, z3, tmp0, tmp1 field.Element + x1.SetBytes(point[:]) + x2.One() + x3.Set(&x1) + z3.One() + + swap := 0 + for pos := 254; pos >= 0; pos-- { + b := e[pos/8] >> uint(pos&7) + b &= 1 + swap ^= int(b) + x2.Swap(&x3, swap) + z2.Swap(&z3, swap) + swap = int(b) + + tmp0.Subtract(&x3, &z3) + tmp1.Subtract(&x2, &z2) + x2.Add(&x2, &z2) + z2.Add(&x3, &z3) + z3.Multiply(&tmp0, &x2) + z2.Multiply(&z2, &tmp1) + tmp0.Square(&tmp1) + tmp1.Square(&x2) + x3.Add(&z3, &z2) + z2.Subtract(&z3, &z2) + x2.Multiply(&tmp1, &tmp0) + tmp1.Subtract(&tmp1, &tmp0) + z2.Square(&z2) + + z3.Mult32(&tmp1, 121666) + x3.Square(&x3) + tmp0.Add(&tmp0, &z3) + z3.Multiply(&x1, &z2) + z2.Multiply(&tmp1, &tmp0) + } + + x2.Swap(&x3, swap) + z2.Swap(&z3, swap) + + z2.Invert(&z2) + x2.Multiply(&x2, &z2) + copy(dst[:], x2.Bytes()) } // ScalarBaseMult sets dst to the product scalar * base where base is the diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go deleted file mode 100644 index 84858480..00000000 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go +++ /dev/null @@ -1,241 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build amd64 && gc && !purego -// +build amd64,gc,!purego - -package curve25519 - -// These functions are implemented in the .s files. The names of the functions -// in the rest of the file are also taken from the SUPERCOP sources to help -// people following along. - -//go:noescape - -func cswap(inout *[5]uint64, v uint64) - -//go:noescape - -func ladderstep(inout *[5][5]uint64) - -//go:noescape - -func freeze(inout *[5]uint64) - -//go:noescape - -func mul(dest, a, b *[5]uint64) - -//go:noescape - -func square(out, in *[5]uint64) - -// mladder uses a Montgomery ladder to calculate (xr/zr) *= s. -func mladder(xr, zr *[5]uint64, s *[32]byte) { - var work [5][5]uint64 - - work[0] = *xr - setint(&work[1], 1) - setint(&work[2], 0) - work[3] = *xr - setint(&work[4], 1) - - j := uint(6) - var prevbit byte - - for i := 31; i >= 0; i-- { - for j < 8 { - bit := ((*s)[i] >> j) & 1 - swap := bit ^ prevbit - prevbit = bit - cswap(&work[1], uint64(swap)) - ladderstep(&work) - j-- - } - j = 7 - } - - *xr = work[1] - *zr = work[2] -} - -func scalarMult(out, in, base *[32]byte) { - var e [32]byte - copy(e[:], (*in)[:]) - e[0] &= 248 - e[31] &= 127 - e[31] |= 64 - - var t, z [5]uint64 - unpack(&t, base) - mladder(&t, &z, &e) - invert(&z, &z) - mul(&t, &t, &z) - pack(out, &t) -} - -func setint(r *[5]uint64, v uint64) { - r[0] = v - r[1] = 0 - r[2] = 0 - r[3] = 0 - r[4] = 0 -} - -// unpack sets r = x where r consists of 5, 51-bit limbs in little-endian -// order. -func unpack(r *[5]uint64, x *[32]byte) { - r[0] = uint64(x[0]) | - uint64(x[1])<<8 | - uint64(x[2])<<16 | - uint64(x[3])<<24 | - uint64(x[4])<<32 | - uint64(x[5])<<40 | - uint64(x[6]&7)<<48 - - r[1] = uint64(x[6])>>3 | - uint64(x[7])<<5 | - uint64(x[8])<<13 | - uint64(x[9])<<21 | - uint64(x[10])<<29 | - uint64(x[11])<<37 | - uint64(x[12]&63)<<45 - - r[2] = uint64(x[12])>>6 | - uint64(x[13])<<2 | - uint64(x[14])<<10 | - uint64(x[15])<<18 | - uint64(x[16])<<26 | - uint64(x[17])<<34 | - uint64(x[18])<<42 | - uint64(x[19]&1)<<50 - - r[3] = uint64(x[19])>>1 | - uint64(x[20])<<7 | - uint64(x[21])<<15 | - uint64(x[22])<<23 | - uint64(x[23])<<31 | - uint64(x[24])<<39 | - uint64(x[25]&15)<<47 - - r[4] = uint64(x[25])>>4 | - uint64(x[26])<<4 | - uint64(x[27])<<12 | - uint64(x[28])<<20 | - uint64(x[29])<<28 | - uint64(x[30])<<36 | - uint64(x[31]&127)<<44 -} - -// pack sets out = x where out is the usual, little-endian form of the 5, -// 51-bit limbs in x. -func pack(out *[32]byte, x *[5]uint64) { - t := *x - freeze(&t) - - out[0] = byte(t[0]) - out[1] = byte(t[0] >> 8) - out[2] = byte(t[0] >> 16) - out[3] = byte(t[0] >> 24) - out[4] = byte(t[0] >> 32) - out[5] = byte(t[0] >> 40) - out[6] = byte(t[0] >> 48) - - out[6] ^= byte(t[1]<<3) & 0xf8 - out[7] = byte(t[1] >> 5) - out[8] = byte(t[1] >> 13) - out[9] = byte(t[1] >> 21) - out[10] = byte(t[1] >> 29) - out[11] = byte(t[1] >> 37) - out[12] = byte(t[1] >> 45) - - out[12] ^= byte(t[2]<<6) & 0xc0 - out[13] = byte(t[2] >> 2) - out[14] = byte(t[2] >> 10) - out[15] = byte(t[2] >> 18) - out[16] = byte(t[2] >> 26) - out[17] = byte(t[2] >> 34) - out[18] = byte(t[2] >> 42) - out[19] = byte(t[2] >> 50) - - out[19] ^= byte(t[3]<<1) & 0xfe - out[20] = byte(t[3] >> 7) - out[21] = byte(t[3] >> 15) - out[22] = byte(t[3] >> 23) - out[23] = byte(t[3] >> 31) - out[24] = byte(t[3] >> 39) - out[25] = byte(t[3] >> 47) - - out[25] ^= byte(t[4]<<4) & 0xf0 - out[26] = byte(t[4] >> 4) - out[27] = byte(t[4] >> 12) - out[28] = byte(t[4] >> 20) - out[29] = byte(t[4] >> 28) - out[30] = byte(t[4] >> 36) - out[31] = byte(t[4] >> 44) -} - -// invert calculates r = x^-1 mod p using Fermat's little theorem. -func invert(r *[5]uint64, x *[5]uint64) { - var z2, z9, z11, z2_5_0, z2_10_0, z2_20_0, z2_50_0, z2_100_0, t [5]uint64 - - square(&z2, x) /* 2 */ - square(&t, &z2) /* 4 */ - square(&t, &t) /* 8 */ - mul(&z9, &t, x) /* 9 */ - mul(&z11, &z9, &z2) /* 11 */ - square(&t, &z11) /* 22 */ - mul(&z2_5_0, &t, &z9) /* 2^5 - 2^0 = 31 */ - - square(&t, &z2_5_0) /* 2^6 - 2^1 */ - for i := 1; i < 5; i++ { /* 2^20 - 2^10 */ - square(&t, &t) - } - mul(&z2_10_0, &t, &z2_5_0) /* 2^10 - 2^0 */ - - square(&t, &z2_10_0) /* 2^11 - 2^1 */ - for i := 1; i < 10; i++ { /* 2^20 - 2^10 */ - square(&t, &t) - } - mul(&z2_20_0, &t, &z2_10_0) /* 2^20 - 2^0 */ - - square(&t, &z2_20_0) /* 2^21 - 2^1 */ - for i := 1; i < 20; i++ { /* 2^40 - 2^20 */ - square(&t, &t) - } - mul(&t, &t, &z2_20_0) /* 2^40 - 2^0 */ - - square(&t, &t) /* 2^41 - 2^1 */ - for i := 1; i < 10; i++ { /* 2^50 - 2^10 */ - square(&t, &t) - } - mul(&z2_50_0, &t, &z2_10_0) /* 2^50 - 2^0 */ - - square(&t, &z2_50_0) /* 2^51 - 2^1 */ - for i := 1; i < 50; i++ { /* 2^100 - 2^50 */ - square(&t, &t) - } - mul(&z2_100_0, &t, &z2_50_0) /* 2^100 - 2^0 */ - - square(&t, &z2_100_0) /* 2^101 - 2^1 */ - for i := 1; i < 100; i++ { /* 2^200 - 2^100 */ - square(&t, &t) - } - mul(&t, &t, &z2_100_0) /* 2^200 - 2^0 */ - - square(&t, &t) /* 2^201 - 2^1 */ - for i := 1; i < 50; i++ { /* 2^250 - 2^50 */ - square(&t, &t) - } - mul(&t, &t, &z2_50_0) /* 2^250 - 2^0 */ - - square(&t, &t) /* 2^251 - 2^1 */ - square(&t, &t) /* 2^252 - 2^2 */ - square(&t, &t) /* 2^253 - 2^3 */ - - square(&t, &t) /* 2^254 - 2^4 */ - - square(&t, &t) /* 2^255 - 2^5 */ - mul(r, &t, &z11) /* 2^255 - 21 */ -} diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s deleted file mode 100644 index 6c533809..00000000 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s +++ /dev/null @@ -1,1793 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// This code was translated into a form compatible with 6a from the public -// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html - -// +build amd64,gc,!purego - -#define REDMASK51 0x0007FFFFFFFFFFFF - -// These constants cannot be encoded in non-MOVQ immediates. -// We access them directly from memory instead. - -DATA ·_121666_213(SB)/8, $996687872 -GLOBL ·_121666_213(SB), 8, $8 - -DATA ·_2P0(SB)/8, $0xFFFFFFFFFFFDA -GLOBL ·_2P0(SB), 8, $8 - -DATA ·_2P1234(SB)/8, $0xFFFFFFFFFFFFE -GLOBL ·_2P1234(SB), 8, $8 - -// func freeze(inout *[5]uint64) -TEXT ·freeze(SB),7,$0-8 - MOVQ inout+0(FP), DI - - MOVQ 0(DI),SI - MOVQ 8(DI),DX - MOVQ 16(DI),CX - MOVQ 24(DI),R8 - MOVQ 32(DI),R9 - MOVQ $REDMASK51,AX - MOVQ AX,R10 - SUBQ $18,R10 - MOVQ $3,R11 -REDUCELOOP: - MOVQ SI,R12 - SHRQ $51,R12 - ANDQ AX,SI - ADDQ R12,DX - MOVQ DX,R12 - SHRQ $51,R12 - ANDQ AX,DX - ADDQ R12,CX - MOVQ CX,R12 - SHRQ $51,R12 - ANDQ AX,CX - ADDQ R12,R8 - MOVQ R8,R12 - SHRQ $51,R12 - ANDQ AX,R8 - ADDQ R12,R9 - MOVQ R9,R12 - SHRQ $51,R12 - ANDQ AX,R9 - IMUL3Q $19,R12,R12 - ADDQ R12,SI - SUBQ $1,R11 - JA REDUCELOOP - MOVQ $1,R12 - CMPQ R10,SI - CMOVQLT R11,R12 - CMPQ AX,DX - CMOVQNE R11,R12 - CMPQ AX,CX - CMOVQNE R11,R12 - CMPQ AX,R8 - CMOVQNE R11,R12 - CMPQ AX,R9 - CMOVQNE R11,R12 - NEGQ R12 - ANDQ R12,AX - ANDQ R12,R10 - SUBQ R10,SI - SUBQ AX,DX - SUBQ AX,CX - SUBQ AX,R8 - SUBQ AX,R9 - MOVQ SI,0(DI) - MOVQ DX,8(DI) - MOVQ CX,16(DI) - MOVQ R8,24(DI) - MOVQ R9,32(DI) - RET - -// func ladderstep(inout *[5][5]uint64) -TEXT ·ladderstep(SB),0,$296-8 - MOVQ inout+0(FP),DI - - MOVQ 40(DI),SI - MOVQ 48(DI),DX - MOVQ 56(DI),CX - MOVQ 64(DI),R8 - MOVQ 72(DI),R9 - MOVQ SI,AX - MOVQ DX,R10 - MOVQ CX,R11 - MOVQ R8,R12 - MOVQ R9,R13 - ADDQ ·_2P0(SB),AX - ADDQ ·_2P1234(SB),R10 - ADDQ ·_2P1234(SB),R11 - ADDQ ·_2P1234(SB),R12 - ADDQ ·_2P1234(SB),R13 - ADDQ 80(DI),SI - ADDQ 88(DI),DX - ADDQ 96(DI),CX - ADDQ 104(DI),R8 - ADDQ 112(DI),R9 - SUBQ 80(DI),AX - SUBQ 88(DI),R10 - SUBQ 96(DI),R11 - SUBQ 104(DI),R12 - SUBQ 112(DI),R13 - MOVQ SI,0(SP) - MOVQ DX,8(SP) - MOVQ CX,16(SP) - MOVQ R8,24(SP) - MOVQ R9,32(SP) - MOVQ AX,40(SP) - MOVQ R10,48(SP) - MOVQ R11,56(SP) - MOVQ R12,64(SP) - MOVQ R13,72(SP) - MOVQ 40(SP),AX - MULQ 40(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 40(SP),AX - SHLQ $1,AX - MULQ 48(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 40(SP),AX - SHLQ $1,AX - MULQ 56(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 40(SP),AX - SHLQ $1,AX - MULQ 64(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 40(SP),AX - SHLQ $1,AX - MULQ 72(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 48(SP),AX - MULQ 48(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 48(SP),AX - SHLQ $1,AX - MULQ 56(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 48(SP),AX - SHLQ $1,AX - MULQ 64(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 48(SP),DX - IMUL3Q $38,DX,AX - MULQ 72(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 56(SP),AX - MULQ 56(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 56(SP),DX - IMUL3Q $38,DX,AX - MULQ 64(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 56(SP),DX - IMUL3Q $38,DX,AX - MULQ 72(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 64(SP),DX - IMUL3Q $19,DX,AX - MULQ 64(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 64(SP),DX - IMUL3Q $38,DX,AX - MULQ 72(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 72(SP),DX - IMUL3Q $19,DX,AX - MULQ 72(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - ANDQ DX,SI - MOVQ CX,R8 - SHRQ $51,CX - ADDQ R10,CX - ANDQ DX,R8 - MOVQ CX,R9 - SHRQ $51,CX - ADDQ R12,CX - ANDQ DX,R9 - MOVQ CX,AX - SHRQ $51,CX - ADDQ R14,CX - ANDQ DX,AX - MOVQ CX,R10 - SHRQ $51,CX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,80(SP) - MOVQ R8,88(SP) - MOVQ R9,96(SP) - MOVQ AX,104(SP) - MOVQ R10,112(SP) - MOVQ 0(SP),AX - MULQ 0(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 0(SP),AX - SHLQ $1,AX - MULQ 8(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 0(SP),AX - SHLQ $1,AX - MULQ 16(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 0(SP),AX - SHLQ $1,AX - MULQ 24(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 0(SP),AX - SHLQ $1,AX - MULQ 32(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 8(SP),AX - MULQ 8(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SP),AX - SHLQ $1,AX - MULQ 16(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 8(SP),AX - SHLQ $1,AX - MULQ 24(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 8(SP),DX - IMUL3Q $38,DX,AX - MULQ 32(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 16(SP),AX - MULQ 16(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 16(SP),DX - IMUL3Q $38,DX,AX - MULQ 24(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 16(SP),DX - IMUL3Q $38,DX,AX - MULQ 32(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 24(SP),DX - IMUL3Q $19,DX,AX - MULQ 24(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 24(SP),DX - IMUL3Q $38,DX,AX - MULQ 32(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 32(SP),DX - IMUL3Q $19,DX,AX - MULQ 32(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - ANDQ DX,SI - MOVQ CX,R8 - SHRQ $51,CX - ADDQ R10,CX - ANDQ DX,R8 - MOVQ CX,R9 - SHRQ $51,CX - ADDQ R12,CX - ANDQ DX,R9 - MOVQ CX,AX - SHRQ $51,CX - ADDQ R14,CX - ANDQ DX,AX - MOVQ CX,R10 - SHRQ $51,CX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,120(SP) - MOVQ R8,128(SP) - MOVQ R9,136(SP) - MOVQ AX,144(SP) - MOVQ R10,152(SP) - MOVQ SI,SI - MOVQ R8,DX - MOVQ R9,CX - MOVQ AX,R8 - MOVQ R10,R9 - ADDQ ·_2P0(SB),SI - ADDQ ·_2P1234(SB),DX - ADDQ ·_2P1234(SB),CX - ADDQ ·_2P1234(SB),R8 - ADDQ ·_2P1234(SB),R9 - SUBQ 80(SP),SI - SUBQ 88(SP),DX - SUBQ 96(SP),CX - SUBQ 104(SP),R8 - SUBQ 112(SP),R9 - MOVQ SI,160(SP) - MOVQ DX,168(SP) - MOVQ CX,176(SP) - MOVQ R8,184(SP) - MOVQ R9,192(SP) - MOVQ 120(DI),SI - MOVQ 128(DI),DX - MOVQ 136(DI),CX - MOVQ 144(DI),R8 - MOVQ 152(DI),R9 - MOVQ SI,AX - MOVQ DX,R10 - MOVQ CX,R11 - MOVQ R8,R12 - MOVQ R9,R13 - ADDQ ·_2P0(SB),AX - ADDQ ·_2P1234(SB),R10 - ADDQ ·_2P1234(SB),R11 - ADDQ ·_2P1234(SB),R12 - ADDQ ·_2P1234(SB),R13 - ADDQ 160(DI),SI - ADDQ 168(DI),DX - ADDQ 176(DI),CX - ADDQ 184(DI),R8 - ADDQ 192(DI),R9 - SUBQ 160(DI),AX - SUBQ 168(DI),R10 - SUBQ 176(DI),R11 - SUBQ 184(DI),R12 - SUBQ 192(DI),R13 - MOVQ SI,200(SP) - MOVQ DX,208(SP) - MOVQ CX,216(SP) - MOVQ R8,224(SP) - MOVQ R9,232(SP) - MOVQ AX,240(SP) - MOVQ R10,248(SP) - MOVQ R11,256(SP) - MOVQ R12,264(SP) - MOVQ R13,272(SP) - MOVQ 224(SP),SI - IMUL3Q $19,SI,AX - MOVQ AX,280(SP) - MULQ 56(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 232(SP),DX - IMUL3Q $19,DX,AX - MOVQ AX,288(SP) - MULQ 48(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 200(SP),AX - MULQ 40(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 200(SP),AX - MULQ 48(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 200(SP),AX - MULQ 56(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 200(SP),AX - MULQ 64(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 200(SP),AX - MULQ 72(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 208(SP),AX - MULQ 40(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 208(SP),AX - MULQ 48(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 208(SP),AX - MULQ 56(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 208(SP),AX - MULQ 64(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 208(SP),DX - IMUL3Q $19,DX,AX - MULQ 72(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 216(SP),AX - MULQ 40(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 216(SP),AX - MULQ 48(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 216(SP),AX - MULQ 56(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 216(SP),DX - IMUL3Q $19,DX,AX - MULQ 64(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 216(SP),DX - IMUL3Q $19,DX,AX - MULQ 72(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 224(SP),AX - MULQ 40(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 224(SP),AX - MULQ 48(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 280(SP),AX - MULQ 64(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 280(SP),AX - MULQ 72(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 232(SP),AX - MULQ 40(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 288(SP),AX - MULQ 56(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 288(SP),AX - MULQ 64(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 288(SP),AX - MULQ 72(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - MOVQ CX,R8 - SHRQ $51,CX - ANDQ DX,SI - ADDQ R10,CX - MOVQ CX,R9 - SHRQ $51,CX - ANDQ DX,R8 - ADDQ R12,CX - MOVQ CX,AX - SHRQ $51,CX - ANDQ DX,R9 - ADDQ R14,CX - MOVQ CX,R10 - SHRQ $51,CX - ANDQ DX,AX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,40(SP) - MOVQ R8,48(SP) - MOVQ R9,56(SP) - MOVQ AX,64(SP) - MOVQ R10,72(SP) - MOVQ 264(SP),SI - IMUL3Q $19,SI,AX - MOVQ AX,200(SP) - MULQ 16(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 272(SP),DX - IMUL3Q $19,DX,AX - MOVQ AX,208(SP) - MULQ 8(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 240(SP),AX - MULQ 0(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 240(SP),AX - MULQ 8(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 240(SP),AX - MULQ 16(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 240(SP),AX - MULQ 24(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 240(SP),AX - MULQ 32(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 248(SP),AX - MULQ 0(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 248(SP),AX - MULQ 8(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 248(SP),AX - MULQ 16(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 248(SP),AX - MULQ 24(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 248(SP),DX - IMUL3Q $19,DX,AX - MULQ 32(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 256(SP),AX - MULQ 0(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 256(SP),AX - MULQ 8(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 256(SP),AX - MULQ 16(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 256(SP),DX - IMUL3Q $19,DX,AX - MULQ 24(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 256(SP),DX - IMUL3Q $19,DX,AX - MULQ 32(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 264(SP),AX - MULQ 0(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 264(SP),AX - MULQ 8(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 200(SP),AX - MULQ 24(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 200(SP),AX - MULQ 32(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 272(SP),AX - MULQ 0(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 208(SP),AX - MULQ 16(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 208(SP),AX - MULQ 24(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 208(SP),AX - MULQ 32(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - MOVQ CX,R8 - SHRQ $51,CX - ANDQ DX,SI - ADDQ R10,CX - MOVQ CX,R9 - SHRQ $51,CX - ANDQ DX,R8 - ADDQ R12,CX - MOVQ CX,AX - SHRQ $51,CX - ANDQ DX,R9 - ADDQ R14,CX - MOVQ CX,R10 - SHRQ $51,CX - ANDQ DX,AX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,DX - MOVQ R8,CX - MOVQ R9,R11 - MOVQ AX,R12 - MOVQ R10,R13 - ADDQ ·_2P0(SB),DX - ADDQ ·_2P1234(SB),CX - ADDQ ·_2P1234(SB),R11 - ADDQ ·_2P1234(SB),R12 - ADDQ ·_2P1234(SB),R13 - ADDQ 40(SP),SI - ADDQ 48(SP),R8 - ADDQ 56(SP),R9 - ADDQ 64(SP),AX - ADDQ 72(SP),R10 - SUBQ 40(SP),DX - SUBQ 48(SP),CX - SUBQ 56(SP),R11 - SUBQ 64(SP),R12 - SUBQ 72(SP),R13 - MOVQ SI,120(DI) - MOVQ R8,128(DI) - MOVQ R9,136(DI) - MOVQ AX,144(DI) - MOVQ R10,152(DI) - MOVQ DX,160(DI) - MOVQ CX,168(DI) - MOVQ R11,176(DI) - MOVQ R12,184(DI) - MOVQ R13,192(DI) - MOVQ 120(DI),AX - MULQ 120(DI) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 120(DI),AX - SHLQ $1,AX - MULQ 128(DI) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 120(DI),AX - SHLQ $1,AX - MULQ 136(DI) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 120(DI),AX - SHLQ $1,AX - MULQ 144(DI) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 120(DI),AX - SHLQ $1,AX - MULQ 152(DI) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 128(DI),AX - MULQ 128(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 128(DI),AX - SHLQ $1,AX - MULQ 136(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 128(DI),AX - SHLQ $1,AX - MULQ 144(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 128(DI),DX - IMUL3Q $38,DX,AX - MULQ 152(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 136(DI),AX - MULQ 136(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 136(DI),DX - IMUL3Q $38,DX,AX - MULQ 144(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 136(DI),DX - IMUL3Q $38,DX,AX - MULQ 152(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 144(DI),DX - IMUL3Q $19,DX,AX - MULQ 144(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 144(DI),DX - IMUL3Q $38,DX,AX - MULQ 152(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 152(DI),DX - IMUL3Q $19,DX,AX - MULQ 152(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - ANDQ DX,SI - MOVQ CX,R8 - SHRQ $51,CX - ADDQ R10,CX - ANDQ DX,R8 - MOVQ CX,R9 - SHRQ $51,CX - ADDQ R12,CX - ANDQ DX,R9 - MOVQ CX,AX - SHRQ $51,CX - ADDQ R14,CX - ANDQ DX,AX - MOVQ CX,R10 - SHRQ $51,CX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,120(DI) - MOVQ R8,128(DI) - MOVQ R9,136(DI) - MOVQ AX,144(DI) - MOVQ R10,152(DI) - MOVQ 160(DI),AX - MULQ 160(DI) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 160(DI),AX - SHLQ $1,AX - MULQ 168(DI) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 160(DI),AX - SHLQ $1,AX - MULQ 176(DI) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 160(DI),AX - SHLQ $1,AX - MULQ 184(DI) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 160(DI),AX - SHLQ $1,AX - MULQ 192(DI) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 168(DI),AX - MULQ 168(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 168(DI),AX - SHLQ $1,AX - MULQ 176(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 168(DI),AX - SHLQ $1,AX - MULQ 184(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 168(DI),DX - IMUL3Q $38,DX,AX - MULQ 192(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 176(DI),AX - MULQ 176(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 176(DI),DX - IMUL3Q $38,DX,AX - MULQ 184(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 176(DI),DX - IMUL3Q $38,DX,AX - MULQ 192(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 184(DI),DX - IMUL3Q $19,DX,AX - MULQ 184(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 184(DI),DX - IMUL3Q $38,DX,AX - MULQ 192(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 192(DI),DX - IMUL3Q $19,DX,AX - MULQ 192(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - ANDQ DX,SI - MOVQ CX,R8 - SHRQ $51,CX - ADDQ R10,CX - ANDQ DX,R8 - MOVQ CX,R9 - SHRQ $51,CX - ADDQ R12,CX - ANDQ DX,R9 - MOVQ CX,AX - SHRQ $51,CX - ADDQ R14,CX - ANDQ DX,AX - MOVQ CX,R10 - SHRQ $51,CX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,160(DI) - MOVQ R8,168(DI) - MOVQ R9,176(DI) - MOVQ AX,184(DI) - MOVQ R10,192(DI) - MOVQ 184(DI),SI - IMUL3Q $19,SI,AX - MOVQ AX,0(SP) - MULQ 16(DI) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 192(DI),DX - IMUL3Q $19,DX,AX - MOVQ AX,8(SP) - MULQ 8(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 160(DI),AX - MULQ 0(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 160(DI),AX - MULQ 8(DI) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 160(DI),AX - MULQ 16(DI) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 160(DI),AX - MULQ 24(DI) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 160(DI),AX - MULQ 32(DI) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 168(DI),AX - MULQ 0(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 168(DI),AX - MULQ 8(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 168(DI),AX - MULQ 16(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 168(DI),AX - MULQ 24(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 168(DI),DX - IMUL3Q $19,DX,AX - MULQ 32(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 176(DI),AX - MULQ 0(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 176(DI),AX - MULQ 8(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 176(DI),AX - MULQ 16(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 176(DI),DX - IMUL3Q $19,DX,AX - MULQ 24(DI) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 176(DI),DX - IMUL3Q $19,DX,AX - MULQ 32(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 184(DI),AX - MULQ 0(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 184(DI),AX - MULQ 8(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 0(SP),AX - MULQ 24(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 0(SP),AX - MULQ 32(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 192(DI),AX - MULQ 0(DI) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 8(SP),AX - MULQ 16(DI) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 8(SP),AX - MULQ 24(DI) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SP),AX - MULQ 32(DI) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - MOVQ CX,R8 - SHRQ $51,CX - ANDQ DX,SI - ADDQ R10,CX - MOVQ CX,R9 - SHRQ $51,CX - ANDQ DX,R8 - ADDQ R12,CX - MOVQ CX,AX - SHRQ $51,CX - ANDQ DX,R9 - ADDQ R14,CX - MOVQ CX,R10 - SHRQ $51,CX - ANDQ DX,AX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,160(DI) - MOVQ R8,168(DI) - MOVQ R9,176(DI) - MOVQ AX,184(DI) - MOVQ R10,192(DI) - MOVQ 144(SP),SI - IMUL3Q $19,SI,AX - MOVQ AX,0(SP) - MULQ 96(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 152(SP),DX - IMUL3Q $19,DX,AX - MOVQ AX,8(SP) - MULQ 88(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 120(SP),AX - MULQ 80(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 120(SP),AX - MULQ 88(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 120(SP),AX - MULQ 96(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 120(SP),AX - MULQ 104(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 120(SP),AX - MULQ 112(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 128(SP),AX - MULQ 80(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 128(SP),AX - MULQ 88(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 128(SP),AX - MULQ 96(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 128(SP),AX - MULQ 104(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 128(SP),DX - IMUL3Q $19,DX,AX - MULQ 112(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 136(SP),AX - MULQ 80(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 136(SP),AX - MULQ 88(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 136(SP),AX - MULQ 96(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 136(SP),DX - IMUL3Q $19,DX,AX - MULQ 104(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 136(SP),DX - IMUL3Q $19,DX,AX - MULQ 112(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 144(SP),AX - MULQ 80(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 144(SP),AX - MULQ 88(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 0(SP),AX - MULQ 104(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 0(SP),AX - MULQ 112(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 152(SP),AX - MULQ 80(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 8(SP),AX - MULQ 96(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 8(SP),AX - MULQ 104(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SP),AX - MULQ 112(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - MOVQ CX,R8 - SHRQ $51,CX - ANDQ DX,SI - ADDQ R10,CX - MOVQ CX,R9 - SHRQ $51,CX - ANDQ DX,R8 - ADDQ R12,CX - MOVQ CX,AX - SHRQ $51,CX - ANDQ DX,R9 - ADDQ R14,CX - MOVQ CX,R10 - SHRQ $51,CX - ANDQ DX,AX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,40(DI) - MOVQ R8,48(DI) - MOVQ R9,56(DI) - MOVQ AX,64(DI) - MOVQ R10,72(DI) - MOVQ 160(SP),AX - MULQ ·_121666_213(SB) - SHRQ $13,AX - MOVQ AX,SI - MOVQ DX,CX - MOVQ 168(SP),AX - MULQ ·_121666_213(SB) - SHRQ $13,AX - ADDQ AX,CX - MOVQ DX,R8 - MOVQ 176(SP),AX - MULQ ·_121666_213(SB) - SHRQ $13,AX - ADDQ AX,R8 - MOVQ DX,R9 - MOVQ 184(SP),AX - MULQ ·_121666_213(SB) - SHRQ $13,AX - ADDQ AX,R9 - MOVQ DX,R10 - MOVQ 192(SP),AX - MULQ ·_121666_213(SB) - SHRQ $13,AX - ADDQ AX,R10 - IMUL3Q $19,DX,DX - ADDQ DX,SI - ADDQ 80(SP),SI - ADDQ 88(SP),CX - ADDQ 96(SP),R8 - ADDQ 104(SP),R9 - ADDQ 112(SP),R10 - MOVQ SI,80(DI) - MOVQ CX,88(DI) - MOVQ R8,96(DI) - MOVQ R9,104(DI) - MOVQ R10,112(DI) - MOVQ 104(DI),SI - IMUL3Q $19,SI,AX - MOVQ AX,0(SP) - MULQ 176(SP) - MOVQ AX,SI - MOVQ DX,CX - MOVQ 112(DI),DX - IMUL3Q $19,DX,AX - MOVQ AX,8(SP) - MULQ 168(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 80(DI),AX - MULQ 160(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 80(DI),AX - MULQ 168(SP) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 80(DI),AX - MULQ 176(SP) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 80(DI),AX - MULQ 184(SP) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 80(DI),AX - MULQ 192(SP) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 88(DI),AX - MULQ 160(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 88(DI),AX - MULQ 168(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 88(DI),AX - MULQ 176(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 88(DI),AX - MULQ 184(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 88(DI),DX - IMUL3Q $19,DX,AX - MULQ 192(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 96(DI),AX - MULQ 160(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 96(DI),AX - MULQ 168(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 96(DI),AX - MULQ 176(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 96(DI),DX - IMUL3Q $19,DX,AX - MULQ 184(SP) - ADDQ AX,SI - ADCQ DX,CX - MOVQ 96(DI),DX - IMUL3Q $19,DX,AX - MULQ 192(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 104(DI),AX - MULQ 160(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 104(DI),AX - MULQ 168(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 0(SP),AX - MULQ 184(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 0(SP),AX - MULQ 192(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 112(DI),AX - MULQ 160(SP) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 8(SP),AX - MULQ 176(SP) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 8(SP),AX - MULQ 184(SP) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SP),AX - MULQ 192(SP) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ $REDMASK51,DX - SHLQ $13,SI,CX - ANDQ DX,SI - SHLQ $13,R8,R9 - ANDQ DX,R8 - ADDQ CX,R8 - SHLQ $13,R10,R11 - ANDQ DX,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ DX,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ DX,R14 - ADDQ R13,R14 - IMUL3Q $19,R15,CX - ADDQ CX,SI - MOVQ SI,CX - SHRQ $51,CX - ADDQ R8,CX - MOVQ CX,R8 - SHRQ $51,CX - ANDQ DX,SI - ADDQ R10,CX - MOVQ CX,R9 - SHRQ $51,CX - ANDQ DX,R8 - ADDQ R12,CX - MOVQ CX,AX - SHRQ $51,CX - ANDQ DX,R9 - ADDQ R14,CX - MOVQ CX,R10 - SHRQ $51,CX - ANDQ DX,AX - IMUL3Q $19,CX,CX - ADDQ CX,SI - ANDQ DX,R10 - MOVQ SI,80(DI) - MOVQ R8,88(DI) - MOVQ R9,96(DI) - MOVQ AX,104(DI) - MOVQ R10,112(DI) - RET - -// func cswap(inout *[4][5]uint64, v uint64) -TEXT ·cswap(SB),7,$0 - MOVQ inout+0(FP),DI - MOVQ v+8(FP),SI - - SUBQ $1, SI - NOTQ SI - MOVQ SI, X15 - PSHUFD $0x44, X15, X15 - - MOVOU 0(DI), X0 - MOVOU 16(DI), X2 - MOVOU 32(DI), X4 - MOVOU 48(DI), X6 - MOVOU 64(DI), X8 - MOVOU 80(DI), X1 - MOVOU 96(DI), X3 - MOVOU 112(DI), X5 - MOVOU 128(DI), X7 - MOVOU 144(DI), X9 - - MOVO X1, X10 - MOVO X3, X11 - MOVO X5, X12 - MOVO X7, X13 - MOVO X9, X14 - - PXOR X0, X10 - PXOR X2, X11 - PXOR X4, X12 - PXOR X6, X13 - PXOR X8, X14 - PAND X15, X10 - PAND X15, X11 - PAND X15, X12 - PAND X15, X13 - PAND X15, X14 - PXOR X10, X0 - PXOR X10, X1 - PXOR X11, X2 - PXOR X11, X3 - PXOR X12, X4 - PXOR X12, X5 - PXOR X13, X6 - PXOR X13, X7 - PXOR X14, X8 - PXOR X14, X9 - - MOVOU X0, 0(DI) - MOVOU X2, 16(DI) - MOVOU X4, 32(DI) - MOVOU X6, 48(DI) - MOVOU X8, 64(DI) - MOVOU X1, 80(DI) - MOVOU X3, 96(DI) - MOVOU X5, 112(DI) - MOVOU X7, 128(DI) - MOVOU X9, 144(DI) - RET - -// func mul(dest, a, b *[5]uint64) -TEXT ·mul(SB),0,$16-24 - MOVQ dest+0(FP), DI - MOVQ a+8(FP), SI - MOVQ b+16(FP), DX - - MOVQ DX,CX - MOVQ 24(SI),DX - IMUL3Q $19,DX,AX - MOVQ AX,0(SP) - MULQ 16(CX) - MOVQ AX,R8 - MOVQ DX,R9 - MOVQ 32(SI),DX - IMUL3Q $19,DX,AX - MOVQ AX,8(SP) - MULQ 8(CX) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 0(SI),AX - MULQ 0(CX) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 0(SI),AX - MULQ 8(CX) - MOVQ AX,R10 - MOVQ DX,R11 - MOVQ 0(SI),AX - MULQ 16(CX) - MOVQ AX,R12 - MOVQ DX,R13 - MOVQ 0(SI),AX - MULQ 24(CX) - MOVQ AX,R14 - MOVQ DX,R15 - MOVQ 0(SI),AX - MULQ 32(CX) - MOVQ AX,BX - MOVQ DX,BP - MOVQ 8(SI),AX - MULQ 0(CX) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SI),AX - MULQ 8(CX) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 8(SI),AX - MULQ 16(CX) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 8(SI),AX - MULQ 24(CX) - ADDQ AX,BX - ADCQ DX,BP - MOVQ 8(SI),DX - IMUL3Q $19,DX,AX - MULQ 32(CX) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 16(SI),AX - MULQ 0(CX) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 16(SI),AX - MULQ 8(CX) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 16(SI),AX - MULQ 16(CX) - ADDQ AX,BX - ADCQ DX,BP - MOVQ 16(SI),DX - IMUL3Q $19,DX,AX - MULQ 24(CX) - ADDQ AX,R8 - ADCQ DX,R9 - MOVQ 16(SI),DX - IMUL3Q $19,DX,AX - MULQ 32(CX) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 24(SI),AX - MULQ 0(CX) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ 24(SI),AX - MULQ 8(CX) - ADDQ AX,BX - ADCQ DX,BP - MOVQ 0(SP),AX - MULQ 24(CX) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 0(SP),AX - MULQ 32(CX) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 32(SI),AX - MULQ 0(CX) - ADDQ AX,BX - ADCQ DX,BP - MOVQ 8(SP),AX - MULQ 16(CX) - ADDQ AX,R10 - ADCQ DX,R11 - MOVQ 8(SP),AX - MULQ 24(CX) - ADDQ AX,R12 - ADCQ DX,R13 - MOVQ 8(SP),AX - MULQ 32(CX) - ADDQ AX,R14 - ADCQ DX,R15 - MOVQ $REDMASK51,SI - SHLQ $13,R8,R9 - ANDQ SI,R8 - SHLQ $13,R10,R11 - ANDQ SI,R10 - ADDQ R9,R10 - SHLQ $13,R12,R13 - ANDQ SI,R12 - ADDQ R11,R12 - SHLQ $13,R14,R15 - ANDQ SI,R14 - ADDQ R13,R14 - SHLQ $13,BX,BP - ANDQ SI,BX - ADDQ R15,BX - IMUL3Q $19,BP,DX - ADDQ DX,R8 - MOVQ R8,DX - SHRQ $51,DX - ADDQ R10,DX - MOVQ DX,CX - SHRQ $51,DX - ANDQ SI,R8 - ADDQ R12,DX - MOVQ DX,R9 - SHRQ $51,DX - ANDQ SI,CX - ADDQ R14,DX - MOVQ DX,AX - SHRQ $51,DX - ANDQ SI,R9 - ADDQ BX,DX - MOVQ DX,R10 - SHRQ $51,DX - ANDQ SI,AX - IMUL3Q $19,DX,DX - ADDQ DX,R8 - ANDQ SI,R10 - MOVQ R8,0(DI) - MOVQ CX,8(DI) - MOVQ R9,16(DI) - MOVQ AX,24(DI) - MOVQ R10,32(DI) - RET - -// func square(out, in *[5]uint64) -TEXT ·square(SB),7,$0-16 - MOVQ out+0(FP), DI - MOVQ in+8(FP), SI - - MOVQ 0(SI),AX - MULQ 0(SI) - MOVQ AX,CX - MOVQ DX,R8 - MOVQ 0(SI),AX - SHLQ $1,AX - MULQ 8(SI) - MOVQ AX,R9 - MOVQ DX,R10 - MOVQ 0(SI),AX - SHLQ $1,AX - MULQ 16(SI) - MOVQ AX,R11 - MOVQ DX,R12 - MOVQ 0(SI),AX - SHLQ $1,AX - MULQ 24(SI) - MOVQ AX,R13 - MOVQ DX,R14 - MOVQ 0(SI),AX - SHLQ $1,AX - MULQ 32(SI) - MOVQ AX,R15 - MOVQ DX,BX - MOVQ 8(SI),AX - MULQ 8(SI) - ADDQ AX,R11 - ADCQ DX,R12 - MOVQ 8(SI),AX - SHLQ $1,AX - MULQ 16(SI) - ADDQ AX,R13 - ADCQ DX,R14 - MOVQ 8(SI),AX - SHLQ $1,AX - MULQ 24(SI) - ADDQ AX,R15 - ADCQ DX,BX - MOVQ 8(SI),DX - IMUL3Q $38,DX,AX - MULQ 32(SI) - ADDQ AX,CX - ADCQ DX,R8 - MOVQ 16(SI),AX - MULQ 16(SI) - ADDQ AX,R15 - ADCQ DX,BX - MOVQ 16(SI),DX - IMUL3Q $38,DX,AX - MULQ 24(SI) - ADDQ AX,CX - ADCQ DX,R8 - MOVQ 16(SI),DX - IMUL3Q $38,DX,AX - MULQ 32(SI) - ADDQ AX,R9 - ADCQ DX,R10 - MOVQ 24(SI),DX - IMUL3Q $19,DX,AX - MULQ 24(SI) - ADDQ AX,R9 - ADCQ DX,R10 - MOVQ 24(SI),DX - IMUL3Q $38,DX,AX - MULQ 32(SI) - ADDQ AX,R11 - ADCQ DX,R12 - MOVQ 32(SI),DX - IMUL3Q $19,DX,AX - MULQ 32(SI) - ADDQ AX,R13 - ADCQ DX,R14 - MOVQ $REDMASK51,SI - SHLQ $13,CX,R8 - ANDQ SI,CX - SHLQ $13,R9,R10 - ANDQ SI,R9 - ADDQ R8,R9 - SHLQ $13,R11,R12 - ANDQ SI,R11 - ADDQ R10,R11 - SHLQ $13,R13,R14 - ANDQ SI,R13 - ADDQ R12,R13 - SHLQ $13,R15,BX - ANDQ SI,R15 - ADDQ R14,R15 - IMUL3Q $19,BX,DX - ADDQ DX,CX - MOVQ CX,DX - SHRQ $51,DX - ADDQ R9,DX - ANDQ SI,CX - MOVQ DX,R8 - SHRQ $51,DX - ADDQ R11,DX - ANDQ SI,R8 - MOVQ DX,R9 - SHRQ $51,DX - ADDQ R13,DX - ANDQ SI,R9 - MOVQ DX,AX - SHRQ $51,DX - ADDQ R15,DX - ANDQ SI,AX - MOVQ DX,R10 - SHRQ $51,DX - IMUL3Q $19,DX,DX - ADDQ DX,CX - ANDQ SI,R10 - MOVQ CX,0(DI) - MOVQ R8,8(DI) - MOVQ R9,16(DI) - MOVQ AX,24(DI) - MOVQ R10,32(DI) - RET diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_generic.go b/vendor/golang.org/x/crypto/curve25519/curve25519_generic.go deleted file mode 100644 index c43b13fc..00000000 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_generic.go +++ /dev/null @@ -1,828 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package curve25519 - -import "encoding/binary" - -// This code is a port of the public domain, "ref10" implementation of -// curve25519 from SUPERCOP 20130419 by D. J. Bernstein. - -// fieldElement represents an element of the field GF(2^255 - 19). An element -// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77 -// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on -// context. -type fieldElement [10]int32 - -func feZero(fe *fieldElement) { - for i := range fe { - fe[i] = 0 - } -} - -func feOne(fe *fieldElement) { - feZero(fe) - fe[0] = 1 -} - -func feAdd(dst, a, b *fieldElement) { - for i := range dst { - dst[i] = a[i] + b[i] - } -} - -func feSub(dst, a, b *fieldElement) { - for i := range dst { - dst[i] = a[i] - b[i] - } -} - -func feCopy(dst, src *fieldElement) { - for i := range dst { - dst[i] = src[i] - } -} - -// feCSwap replaces (f,g) with (g,f) if b == 1; replaces (f,g) with (f,g) if b == 0. -// -// Preconditions: b in {0,1}. -func feCSwap(f, g *fieldElement, b int32) { - b = -b - for i := range f { - t := b & (f[i] ^ g[i]) - f[i] ^= t - g[i] ^= t - } -} - -// load3 reads a 24-bit, little-endian value from in. -func load3(in []byte) int64 { - var r int64 - r = int64(in[0]) - r |= int64(in[1]) << 8 - r |= int64(in[2]) << 16 - return r -} - -// load4 reads a 32-bit, little-endian value from in. -func load4(in []byte) int64 { - return int64(binary.LittleEndian.Uint32(in)) -} - -func feFromBytes(dst *fieldElement, src *[32]byte) { - h0 := load4(src[:]) - h1 := load3(src[4:]) << 6 - h2 := load3(src[7:]) << 5 - h3 := load3(src[10:]) << 3 - h4 := load3(src[13:]) << 2 - h5 := load4(src[16:]) - h6 := load3(src[20:]) << 7 - h7 := load3(src[23:]) << 5 - h8 := load3(src[26:]) << 4 - h9 := (load3(src[29:]) & 0x7fffff) << 2 - - var carry [10]int64 - carry[9] = (h9 + 1<<24) >> 25 - h0 += carry[9] * 19 - h9 -= carry[9] << 25 - carry[1] = (h1 + 1<<24) >> 25 - h2 += carry[1] - h1 -= carry[1] << 25 - carry[3] = (h3 + 1<<24) >> 25 - h4 += carry[3] - h3 -= carry[3] << 25 - carry[5] = (h5 + 1<<24) >> 25 - h6 += carry[5] - h5 -= carry[5] << 25 - carry[7] = (h7 + 1<<24) >> 25 - h8 += carry[7] - h7 -= carry[7] << 25 - - carry[0] = (h0 + 1<<25) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - carry[2] = (h2 + 1<<25) >> 26 - h3 += carry[2] - h2 -= carry[2] << 26 - carry[4] = (h4 + 1<<25) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - carry[6] = (h6 + 1<<25) >> 26 - h7 += carry[6] - h6 -= carry[6] << 26 - carry[8] = (h8 + 1<<25) >> 26 - h9 += carry[8] - h8 -= carry[8] << 26 - - dst[0] = int32(h0) - dst[1] = int32(h1) - dst[2] = int32(h2) - dst[3] = int32(h3) - dst[4] = int32(h4) - dst[5] = int32(h5) - dst[6] = int32(h6) - dst[7] = int32(h7) - dst[8] = int32(h8) - dst[9] = int32(h9) -} - -// feToBytes marshals h to s. -// Preconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -// -// Write p=2^255-19; q=floor(h/p). -// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). -// -// Proof: -// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. -// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4. -// -// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). -// Then 0> 25 - q = (h[0] + q) >> 26 - q = (h[1] + q) >> 25 - q = (h[2] + q) >> 26 - q = (h[3] + q) >> 25 - q = (h[4] + q) >> 26 - q = (h[5] + q) >> 25 - q = (h[6] + q) >> 26 - q = (h[7] + q) >> 25 - q = (h[8] + q) >> 26 - q = (h[9] + q) >> 25 - - // Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. - h[0] += 19 * q - // Goal: Output h-2^255 q, which is between 0 and 2^255-20. - - carry[0] = h[0] >> 26 - h[1] += carry[0] - h[0] -= carry[0] << 26 - carry[1] = h[1] >> 25 - h[2] += carry[1] - h[1] -= carry[1] << 25 - carry[2] = h[2] >> 26 - h[3] += carry[2] - h[2] -= carry[2] << 26 - carry[3] = h[3] >> 25 - h[4] += carry[3] - h[3] -= carry[3] << 25 - carry[4] = h[4] >> 26 - h[5] += carry[4] - h[4] -= carry[4] << 26 - carry[5] = h[5] >> 25 - h[6] += carry[5] - h[5] -= carry[5] << 25 - carry[6] = h[6] >> 26 - h[7] += carry[6] - h[6] -= carry[6] << 26 - carry[7] = h[7] >> 25 - h[8] += carry[7] - h[7] -= carry[7] << 25 - carry[8] = h[8] >> 26 - h[9] += carry[8] - h[8] -= carry[8] << 26 - carry[9] = h[9] >> 25 - h[9] -= carry[9] << 25 - // h10 = carry9 - - // Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - // Have h[0]+...+2^230 h[9] between 0 and 2^255-1; - // evidently 2^255 h10-2^255 q = 0. - // Goal: Output h[0]+...+2^230 h[9]. - - s[0] = byte(h[0] >> 0) - s[1] = byte(h[0] >> 8) - s[2] = byte(h[0] >> 16) - s[3] = byte((h[0] >> 24) | (h[1] << 2)) - s[4] = byte(h[1] >> 6) - s[5] = byte(h[1] >> 14) - s[6] = byte((h[1] >> 22) | (h[2] << 3)) - s[7] = byte(h[2] >> 5) - s[8] = byte(h[2] >> 13) - s[9] = byte((h[2] >> 21) | (h[3] << 5)) - s[10] = byte(h[3] >> 3) - s[11] = byte(h[3] >> 11) - s[12] = byte((h[3] >> 19) | (h[4] << 6)) - s[13] = byte(h[4] >> 2) - s[14] = byte(h[4] >> 10) - s[15] = byte(h[4] >> 18) - s[16] = byte(h[5] >> 0) - s[17] = byte(h[5] >> 8) - s[18] = byte(h[5] >> 16) - s[19] = byte((h[5] >> 24) | (h[6] << 1)) - s[20] = byte(h[6] >> 7) - s[21] = byte(h[6] >> 15) - s[22] = byte((h[6] >> 23) | (h[7] << 3)) - s[23] = byte(h[7] >> 5) - s[24] = byte(h[7] >> 13) - s[25] = byte((h[7] >> 21) | (h[8] << 4)) - s[26] = byte(h[8] >> 4) - s[27] = byte(h[8] >> 12) - s[28] = byte((h[8] >> 20) | (h[9] << 6)) - s[29] = byte(h[9] >> 2) - s[30] = byte(h[9] >> 10) - s[31] = byte(h[9] >> 18) -} - -// feMul calculates h = f * g -// Can overlap h with f or g. -// -// Preconditions: -// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -// -// Notes on implementation strategy: -// -// Using schoolbook multiplication. -// Karatsuba would save a little in some cost models. -// -// Most multiplications by 2 and 19 are 32-bit precomputations; -// cheaper than 64-bit postcomputations. -// -// There is one remaining multiplication by 19 in the carry chain; -// one *19 precomputation can be merged into this, -// but the resulting data flow is considerably less clean. -// -// There are 12 carries below. -// 10 of them are 2-way parallelizable and vectorizable. -// Can get away with 11 carries, but then data flow is much deeper. -// -// With tighter constraints on inputs can squeeze carries into int32. -func feMul(h, f, g *fieldElement) { - f0 := f[0] - f1 := f[1] - f2 := f[2] - f3 := f[3] - f4 := f[4] - f5 := f[5] - f6 := f[6] - f7 := f[7] - f8 := f[8] - f9 := f[9] - g0 := g[0] - g1 := g[1] - g2 := g[2] - g3 := g[3] - g4 := g[4] - g5 := g[5] - g6 := g[6] - g7 := g[7] - g8 := g[8] - g9 := g[9] - g1_19 := 19 * g1 // 1.4*2^29 - g2_19 := 19 * g2 // 1.4*2^30; still ok - g3_19 := 19 * g3 - g4_19 := 19 * g4 - g5_19 := 19 * g5 - g6_19 := 19 * g6 - g7_19 := 19 * g7 - g8_19 := 19 * g8 - g9_19 := 19 * g9 - f1_2 := 2 * f1 - f3_2 := 2 * f3 - f5_2 := 2 * f5 - f7_2 := 2 * f7 - f9_2 := 2 * f9 - f0g0 := int64(f0) * int64(g0) - f0g1 := int64(f0) * int64(g1) - f0g2 := int64(f0) * int64(g2) - f0g3 := int64(f0) * int64(g3) - f0g4 := int64(f0) * int64(g4) - f0g5 := int64(f0) * int64(g5) - f0g6 := int64(f0) * int64(g6) - f0g7 := int64(f0) * int64(g7) - f0g8 := int64(f0) * int64(g8) - f0g9 := int64(f0) * int64(g9) - f1g0 := int64(f1) * int64(g0) - f1g1_2 := int64(f1_2) * int64(g1) - f1g2 := int64(f1) * int64(g2) - f1g3_2 := int64(f1_2) * int64(g3) - f1g4 := int64(f1) * int64(g4) - f1g5_2 := int64(f1_2) * int64(g5) - f1g6 := int64(f1) * int64(g6) - f1g7_2 := int64(f1_2) * int64(g7) - f1g8 := int64(f1) * int64(g8) - f1g9_38 := int64(f1_2) * int64(g9_19) - f2g0 := int64(f2) * int64(g0) - f2g1 := int64(f2) * int64(g1) - f2g2 := int64(f2) * int64(g2) - f2g3 := int64(f2) * int64(g3) - f2g4 := int64(f2) * int64(g4) - f2g5 := int64(f2) * int64(g5) - f2g6 := int64(f2) * int64(g6) - f2g7 := int64(f2) * int64(g7) - f2g8_19 := int64(f2) * int64(g8_19) - f2g9_19 := int64(f2) * int64(g9_19) - f3g0 := int64(f3) * int64(g0) - f3g1_2 := int64(f3_2) * int64(g1) - f3g2 := int64(f3) * int64(g2) - f3g3_2 := int64(f3_2) * int64(g3) - f3g4 := int64(f3) * int64(g4) - f3g5_2 := int64(f3_2) * int64(g5) - f3g6 := int64(f3) * int64(g6) - f3g7_38 := int64(f3_2) * int64(g7_19) - f3g8_19 := int64(f3) * int64(g8_19) - f3g9_38 := int64(f3_2) * int64(g9_19) - f4g0 := int64(f4) * int64(g0) - f4g1 := int64(f4) * int64(g1) - f4g2 := int64(f4) * int64(g2) - f4g3 := int64(f4) * int64(g3) - f4g4 := int64(f4) * int64(g4) - f4g5 := int64(f4) * int64(g5) - f4g6_19 := int64(f4) * int64(g6_19) - f4g7_19 := int64(f4) * int64(g7_19) - f4g8_19 := int64(f4) * int64(g8_19) - f4g9_19 := int64(f4) * int64(g9_19) - f5g0 := int64(f5) * int64(g0) - f5g1_2 := int64(f5_2) * int64(g1) - f5g2 := int64(f5) * int64(g2) - f5g3_2 := int64(f5_2) * int64(g3) - f5g4 := int64(f5) * int64(g4) - f5g5_38 := int64(f5_2) * int64(g5_19) - f5g6_19 := int64(f5) * int64(g6_19) - f5g7_38 := int64(f5_2) * int64(g7_19) - f5g8_19 := int64(f5) * int64(g8_19) - f5g9_38 := int64(f5_2) * int64(g9_19) - f6g0 := int64(f6) * int64(g0) - f6g1 := int64(f6) * int64(g1) - f6g2 := int64(f6) * int64(g2) - f6g3 := int64(f6) * int64(g3) - f6g4_19 := int64(f6) * int64(g4_19) - f6g5_19 := int64(f6) * int64(g5_19) - f6g6_19 := int64(f6) * int64(g6_19) - f6g7_19 := int64(f6) * int64(g7_19) - f6g8_19 := int64(f6) * int64(g8_19) - f6g9_19 := int64(f6) * int64(g9_19) - f7g0 := int64(f7) * int64(g0) - f7g1_2 := int64(f7_2) * int64(g1) - f7g2 := int64(f7) * int64(g2) - f7g3_38 := int64(f7_2) * int64(g3_19) - f7g4_19 := int64(f7) * int64(g4_19) - f7g5_38 := int64(f7_2) * int64(g5_19) - f7g6_19 := int64(f7) * int64(g6_19) - f7g7_38 := int64(f7_2) * int64(g7_19) - f7g8_19 := int64(f7) * int64(g8_19) - f7g9_38 := int64(f7_2) * int64(g9_19) - f8g0 := int64(f8) * int64(g0) - f8g1 := int64(f8) * int64(g1) - f8g2_19 := int64(f8) * int64(g2_19) - f8g3_19 := int64(f8) * int64(g3_19) - f8g4_19 := int64(f8) * int64(g4_19) - f8g5_19 := int64(f8) * int64(g5_19) - f8g6_19 := int64(f8) * int64(g6_19) - f8g7_19 := int64(f8) * int64(g7_19) - f8g8_19 := int64(f8) * int64(g8_19) - f8g9_19 := int64(f8) * int64(g9_19) - f9g0 := int64(f9) * int64(g0) - f9g1_38 := int64(f9_2) * int64(g1_19) - f9g2_19 := int64(f9) * int64(g2_19) - f9g3_38 := int64(f9_2) * int64(g3_19) - f9g4_19 := int64(f9) * int64(g4_19) - f9g5_38 := int64(f9_2) * int64(g5_19) - f9g6_19 := int64(f9) * int64(g6_19) - f9g7_38 := int64(f9_2) * int64(g7_19) - f9g8_19 := int64(f9) * int64(g8_19) - f9g9_38 := int64(f9_2) * int64(g9_19) - h0 := f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + f8g2_19 + f9g1_38 - h1 := f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + f9g2_19 - h2 := f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + f9g3_38 - h3 := f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19 - h4 := f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38 - h5 := f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19 - h6 := f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38 - h7 := f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19 - h8 := f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38 - h9 := f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0 - var carry [10]int64 - - // |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38)) - // i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8 - // |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19)) - // i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9 - - carry[0] = (h0 + (1 << 25)) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - carry[4] = (h4 + (1 << 25)) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - // |h0| <= 2^25 - // |h4| <= 2^25 - // |h1| <= 1.51*2^58 - // |h5| <= 1.51*2^58 - - carry[1] = (h1 + (1 << 24)) >> 25 - h2 += carry[1] - h1 -= carry[1] << 25 - carry[5] = (h5 + (1 << 24)) >> 25 - h6 += carry[5] - h5 -= carry[5] << 25 - // |h1| <= 2^24; from now on fits into int32 - // |h5| <= 2^24; from now on fits into int32 - // |h2| <= 1.21*2^59 - // |h6| <= 1.21*2^59 - - carry[2] = (h2 + (1 << 25)) >> 26 - h3 += carry[2] - h2 -= carry[2] << 26 - carry[6] = (h6 + (1 << 25)) >> 26 - h7 += carry[6] - h6 -= carry[6] << 26 - // |h2| <= 2^25; from now on fits into int32 unchanged - // |h6| <= 2^25; from now on fits into int32 unchanged - // |h3| <= 1.51*2^58 - // |h7| <= 1.51*2^58 - - carry[3] = (h3 + (1 << 24)) >> 25 - h4 += carry[3] - h3 -= carry[3] << 25 - carry[7] = (h7 + (1 << 24)) >> 25 - h8 += carry[7] - h7 -= carry[7] << 25 - // |h3| <= 2^24; from now on fits into int32 unchanged - // |h7| <= 2^24; from now on fits into int32 unchanged - // |h4| <= 1.52*2^33 - // |h8| <= 1.52*2^33 - - carry[4] = (h4 + (1 << 25)) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - carry[8] = (h8 + (1 << 25)) >> 26 - h9 += carry[8] - h8 -= carry[8] << 26 - // |h4| <= 2^25; from now on fits into int32 unchanged - // |h8| <= 2^25; from now on fits into int32 unchanged - // |h5| <= 1.01*2^24 - // |h9| <= 1.51*2^58 - - carry[9] = (h9 + (1 << 24)) >> 25 - h0 += carry[9] * 19 - h9 -= carry[9] << 25 - // |h9| <= 2^24; from now on fits into int32 unchanged - // |h0| <= 1.8*2^37 - - carry[0] = (h0 + (1 << 25)) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - // |h0| <= 2^25; from now on fits into int32 unchanged - // |h1| <= 1.01*2^24 - - h[0] = int32(h0) - h[1] = int32(h1) - h[2] = int32(h2) - h[3] = int32(h3) - h[4] = int32(h4) - h[5] = int32(h5) - h[6] = int32(h6) - h[7] = int32(h7) - h[8] = int32(h8) - h[9] = int32(h9) -} - -// feSquare calculates h = f*f. Can overlap h with f. -// -// Preconditions: -// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -func feSquare(h, f *fieldElement) { - f0 := f[0] - f1 := f[1] - f2 := f[2] - f3 := f[3] - f4 := f[4] - f5 := f[5] - f6 := f[6] - f7 := f[7] - f8 := f[8] - f9 := f[9] - f0_2 := 2 * f0 - f1_2 := 2 * f1 - f2_2 := 2 * f2 - f3_2 := 2 * f3 - f4_2 := 2 * f4 - f5_2 := 2 * f5 - f6_2 := 2 * f6 - f7_2 := 2 * f7 - f5_38 := 38 * f5 // 1.31*2^30 - f6_19 := 19 * f6 // 1.31*2^30 - f7_38 := 38 * f7 // 1.31*2^30 - f8_19 := 19 * f8 // 1.31*2^30 - f9_38 := 38 * f9 // 1.31*2^30 - f0f0 := int64(f0) * int64(f0) - f0f1_2 := int64(f0_2) * int64(f1) - f0f2_2 := int64(f0_2) * int64(f2) - f0f3_2 := int64(f0_2) * int64(f3) - f0f4_2 := int64(f0_2) * int64(f4) - f0f5_2 := int64(f0_2) * int64(f5) - f0f6_2 := int64(f0_2) * int64(f6) - f0f7_2 := int64(f0_2) * int64(f7) - f0f8_2 := int64(f0_2) * int64(f8) - f0f9_2 := int64(f0_2) * int64(f9) - f1f1_2 := int64(f1_2) * int64(f1) - f1f2_2 := int64(f1_2) * int64(f2) - f1f3_4 := int64(f1_2) * int64(f3_2) - f1f4_2 := int64(f1_2) * int64(f4) - f1f5_4 := int64(f1_2) * int64(f5_2) - f1f6_2 := int64(f1_2) * int64(f6) - f1f7_4 := int64(f1_2) * int64(f7_2) - f1f8_2 := int64(f1_2) * int64(f8) - f1f9_76 := int64(f1_2) * int64(f9_38) - f2f2 := int64(f2) * int64(f2) - f2f3_2 := int64(f2_2) * int64(f3) - f2f4_2 := int64(f2_2) * int64(f4) - f2f5_2 := int64(f2_2) * int64(f5) - f2f6_2 := int64(f2_2) * int64(f6) - f2f7_2 := int64(f2_2) * int64(f7) - f2f8_38 := int64(f2_2) * int64(f8_19) - f2f9_38 := int64(f2) * int64(f9_38) - f3f3_2 := int64(f3_2) * int64(f3) - f3f4_2 := int64(f3_2) * int64(f4) - f3f5_4 := int64(f3_2) * int64(f5_2) - f3f6_2 := int64(f3_2) * int64(f6) - f3f7_76 := int64(f3_2) * int64(f7_38) - f3f8_38 := int64(f3_2) * int64(f8_19) - f3f9_76 := int64(f3_2) * int64(f9_38) - f4f4 := int64(f4) * int64(f4) - f4f5_2 := int64(f4_2) * int64(f5) - f4f6_38 := int64(f4_2) * int64(f6_19) - f4f7_38 := int64(f4) * int64(f7_38) - f4f8_38 := int64(f4_2) * int64(f8_19) - f4f9_38 := int64(f4) * int64(f9_38) - f5f5_38 := int64(f5) * int64(f5_38) - f5f6_38 := int64(f5_2) * int64(f6_19) - f5f7_76 := int64(f5_2) * int64(f7_38) - f5f8_38 := int64(f5_2) * int64(f8_19) - f5f9_76 := int64(f5_2) * int64(f9_38) - f6f6_19 := int64(f6) * int64(f6_19) - f6f7_38 := int64(f6) * int64(f7_38) - f6f8_38 := int64(f6_2) * int64(f8_19) - f6f9_38 := int64(f6) * int64(f9_38) - f7f7_38 := int64(f7) * int64(f7_38) - f7f8_38 := int64(f7_2) * int64(f8_19) - f7f9_76 := int64(f7_2) * int64(f9_38) - f8f8_19 := int64(f8) * int64(f8_19) - f8f9_38 := int64(f8) * int64(f9_38) - f9f9_38 := int64(f9) * int64(f9_38) - h0 := f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38 - h1 := f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38 - h2 := f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19 - h3 := f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38 - h4 := f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38 - h5 := f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38 - h6 := f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19 - h7 := f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38 - h8 := f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38 - h9 := f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2 - var carry [10]int64 - - carry[0] = (h0 + (1 << 25)) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - carry[4] = (h4 + (1 << 25)) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - - carry[1] = (h1 + (1 << 24)) >> 25 - h2 += carry[1] - h1 -= carry[1] << 25 - carry[5] = (h5 + (1 << 24)) >> 25 - h6 += carry[5] - h5 -= carry[5] << 25 - - carry[2] = (h2 + (1 << 25)) >> 26 - h3 += carry[2] - h2 -= carry[2] << 26 - carry[6] = (h6 + (1 << 25)) >> 26 - h7 += carry[6] - h6 -= carry[6] << 26 - - carry[3] = (h3 + (1 << 24)) >> 25 - h4 += carry[3] - h3 -= carry[3] << 25 - carry[7] = (h7 + (1 << 24)) >> 25 - h8 += carry[7] - h7 -= carry[7] << 25 - - carry[4] = (h4 + (1 << 25)) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - carry[8] = (h8 + (1 << 25)) >> 26 - h9 += carry[8] - h8 -= carry[8] << 26 - - carry[9] = (h9 + (1 << 24)) >> 25 - h0 += carry[9] * 19 - h9 -= carry[9] << 25 - - carry[0] = (h0 + (1 << 25)) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - - h[0] = int32(h0) - h[1] = int32(h1) - h[2] = int32(h2) - h[3] = int32(h3) - h[4] = int32(h4) - h[5] = int32(h5) - h[6] = int32(h6) - h[7] = int32(h7) - h[8] = int32(h8) - h[9] = int32(h9) -} - -// feMul121666 calculates h = f * 121666. Can overlap h with f. -// -// Preconditions: -// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -func feMul121666(h, f *fieldElement) { - h0 := int64(f[0]) * 121666 - h1 := int64(f[1]) * 121666 - h2 := int64(f[2]) * 121666 - h3 := int64(f[3]) * 121666 - h4 := int64(f[4]) * 121666 - h5 := int64(f[5]) * 121666 - h6 := int64(f[6]) * 121666 - h7 := int64(f[7]) * 121666 - h8 := int64(f[8]) * 121666 - h9 := int64(f[9]) * 121666 - var carry [10]int64 - - carry[9] = (h9 + (1 << 24)) >> 25 - h0 += carry[9] * 19 - h9 -= carry[9] << 25 - carry[1] = (h1 + (1 << 24)) >> 25 - h2 += carry[1] - h1 -= carry[1] << 25 - carry[3] = (h3 + (1 << 24)) >> 25 - h4 += carry[3] - h3 -= carry[3] << 25 - carry[5] = (h5 + (1 << 24)) >> 25 - h6 += carry[5] - h5 -= carry[5] << 25 - carry[7] = (h7 + (1 << 24)) >> 25 - h8 += carry[7] - h7 -= carry[7] << 25 - - carry[0] = (h0 + (1 << 25)) >> 26 - h1 += carry[0] - h0 -= carry[0] << 26 - carry[2] = (h2 + (1 << 25)) >> 26 - h3 += carry[2] - h2 -= carry[2] << 26 - carry[4] = (h4 + (1 << 25)) >> 26 - h5 += carry[4] - h4 -= carry[4] << 26 - carry[6] = (h6 + (1 << 25)) >> 26 - h7 += carry[6] - h6 -= carry[6] << 26 - carry[8] = (h8 + (1 << 25)) >> 26 - h9 += carry[8] - h8 -= carry[8] << 26 - - h[0] = int32(h0) - h[1] = int32(h1) - h[2] = int32(h2) - h[3] = int32(h3) - h[4] = int32(h4) - h[5] = int32(h5) - h[6] = int32(h6) - h[7] = int32(h7) - h[8] = int32(h8) - h[9] = int32(h9) -} - -// feInvert sets out = z^-1. -func feInvert(out, z *fieldElement) { - var t0, t1, t2, t3 fieldElement - var i int - - feSquare(&t0, z) - for i = 1; i < 1; i++ { - feSquare(&t0, &t0) - } - feSquare(&t1, &t0) - for i = 1; i < 2; i++ { - feSquare(&t1, &t1) - } - feMul(&t1, z, &t1) - feMul(&t0, &t0, &t1) - feSquare(&t2, &t0) - for i = 1; i < 1; i++ { - feSquare(&t2, &t2) - } - feMul(&t1, &t1, &t2) - feSquare(&t2, &t1) - for i = 1; i < 5; i++ { - feSquare(&t2, &t2) - } - feMul(&t1, &t2, &t1) - feSquare(&t2, &t1) - for i = 1; i < 10; i++ { - feSquare(&t2, &t2) - } - feMul(&t2, &t2, &t1) - feSquare(&t3, &t2) - for i = 1; i < 20; i++ { - feSquare(&t3, &t3) - } - feMul(&t2, &t3, &t2) - feSquare(&t2, &t2) - for i = 1; i < 10; i++ { - feSquare(&t2, &t2) - } - feMul(&t1, &t2, &t1) - feSquare(&t2, &t1) - for i = 1; i < 50; i++ { - feSquare(&t2, &t2) - } - feMul(&t2, &t2, &t1) - feSquare(&t3, &t2) - for i = 1; i < 100; i++ { - feSquare(&t3, &t3) - } - feMul(&t2, &t3, &t2) - feSquare(&t2, &t2) - for i = 1; i < 50; i++ { - feSquare(&t2, &t2) - } - feMul(&t1, &t2, &t1) - feSquare(&t1, &t1) - for i = 1; i < 5; i++ { - feSquare(&t1, &t1) - } - feMul(out, &t1, &t0) -} - -func scalarMultGeneric(out, in, base *[32]byte) { - var e [32]byte - - copy(e[:], in[:]) - e[0] &= 248 - e[31] &= 127 - e[31] |= 64 - - var x1, x2, z2, x3, z3, tmp0, tmp1 fieldElement - feFromBytes(&x1, base) - feOne(&x2) - feCopy(&x3, &x1) - feOne(&z3) - - swap := int32(0) - for pos := 254; pos >= 0; pos-- { - b := e[pos/8] >> uint(pos&7) - b &= 1 - swap ^= int32(b) - feCSwap(&x2, &x3, swap) - feCSwap(&z2, &z3, swap) - swap = int32(b) - - feSub(&tmp0, &x3, &z3) - feSub(&tmp1, &x2, &z2) - feAdd(&x2, &x2, &z2) - feAdd(&z2, &x3, &z3) - feMul(&z3, &tmp0, &x2) - feMul(&z2, &z2, &tmp1) - feSquare(&tmp0, &tmp1) - feSquare(&tmp1, &x2) - feAdd(&x3, &z3, &z2) - feSub(&z2, &z3, &z2) - feMul(&x2, &tmp1, &tmp0) - feSub(&tmp1, &tmp1, &tmp0) - feSquare(&z2, &z2) - feMul121666(&z3, &tmp1) - feSquare(&x3, &x3) - feAdd(&tmp0, &tmp0, &z3) - feMul(&z3, &x1, &z2) - feMul(&z2, &tmp1, &tmp0) - } - - feCSwap(&x2, &x3, swap) - feCSwap(&z2, &z3, swap) - - feInvert(&z2, &z2) - feMul(&x2, &x2, &z2) - feToBytes(out, &x2) -} diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go b/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go deleted file mode 100644 index 259728af..00000000 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go +++ /dev/null @@ -1,12 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !amd64 || !gc || purego -// +build !amd64 !gc purego - -package curve25519 - -func scalarMult(out, in, base *[32]byte) { - scalarMultGeneric(out, in, base) -} diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/README b/vendor/golang.org/x/crypto/curve25519/internal/field/README new file mode 100644 index 00000000..e25bca7d --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/README @@ -0,0 +1,7 @@ +This package is kept in sync with crypto/ed25519/internal/edwards25519/field in +the standard library. + +If there are any changes in the standard library that need to be synced to this +package, run sync.sh. It will not overwrite any local changes made since the +previous sync, so it's ok to land changes in this package first, and then sync +to the standard library later. diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe.go new file mode 100644 index 00000000..ca841ad9 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe.go @@ -0,0 +1,416 @@ +// Copyright (c) 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package field implements fast arithmetic modulo 2^255-19. +package field + +import ( + "crypto/subtle" + "encoding/binary" + "math/bits" +) + +// Element represents an element of the field GF(2^255-19). Note that this +// is not a cryptographically secure group, and should only be used to interact +// with edwards25519.Point coordinates. +// +// This type works similarly to math/big.Int, and all arguments and receivers +// are allowed to alias. +// +// The zero value is a valid zero element. +type Element struct { + // An element t represents the integer + // t.l0 + t.l1*2^51 + t.l2*2^102 + t.l3*2^153 + t.l4*2^204 + // + // Between operations, all limbs are expected to be lower than 2^52. + l0 uint64 + l1 uint64 + l2 uint64 + l3 uint64 + l4 uint64 +} + +const maskLow51Bits uint64 = (1 << 51) - 1 + +var feZero = &Element{0, 0, 0, 0, 0} + +// Zero sets v = 0, and returns v. +func (v *Element) Zero() *Element { + *v = *feZero + return v +} + +var feOne = &Element{1, 0, 0, 0, 0} + +// One sets v = 1, and returns v. +func (v *Element) One() *Element { + *v = *feOne + return v +} + +// reduce reduces v modulo 2^255 - 19 and returns it. +func (v *Element) reduce() *Element { + v.carryPropagate() + + // After the light reduction we now have a field element representation + // v < 2^255 + 2^13 * 19, but need v < 2^255 - 19. + + // If v >= 2^255 - 19, then v + 19 >= 2^255, which would overflow 2^255 - 1, + // generating a carry. That is, c will be 0 if v < 2^255 - 19, and 1 otherwise. + c := (v.l0 + 19) >> 51 + c = (v.l1 + c) >> 51 + c = (v.l2 + c) >> 51 + c = (v.l3 + c) >> 51 + c = (v.l4 + c) >> 51 + + // If v < 2^255 - 19 and c = 0, this will be a no-op. Otherwise, it's + // effectively applying the reduction identity to the carry. + v.l0 += 19 * c + + v.l1 += v.l0 >> 51 + v.l0 = v.l0 & maskLow51Bits + v.l2 += v.l1 >> 51 + v.l1 = v.l1 & maskLow51Bits + v.l3 += v.l2 >> 51 + v.l2 = v.l2 & maskLow51Bits + v.l4 += v.l3 >> 51 + v.l3 = v.l3 & maskLow51Bits + // no additional carry + v.l4 = v.l4 & maskLow51Bits + + return v +} + +// Add sets v = a + b, and returns v. +func (v *Element) Add(a, b *Element) *Element { + v.l0 = a.l0 + b.l0 + v.l1 = a.l1 + b.l1 + v.l2 = a.l2 + b.l2 + v.l3 = a.l3 + b.l3 + v.l4 = a.l4 + b.l4 + // Using the generic implementation here is actually faster than the + // assembly. Probably because the body of this function is so simple that + // the compiler can figure out better optimizations by inlining the carry + // propagation. TODO + return v.carryPropagateGeneric() +} + +// Subtract sets v = a - b, and returns v. +func (v *Element) Subtract(a, b *Element) *Element { + // We first add 2 * p, to guarantee the subtraction won't underflow, and + // then subtract b (which can be up to 2^255 + 2^13 * 19). + v.l0 = (a.l0 + 0xFFFFFFFFFFFDA) - b.l0 + v.l1 = (a.l1 + 0xFFFFFFFFFFFFE) - b.l1 + v.l2 = (a.l2 + 0xFFFFFFFFFFFFE) - b.l2 + v.l3 = (a.l3 + 0xFFFFFFFFFFFFE) - b.l3 + v.l4 = (a.l4 + 0xFFFFFFFFFFFFE) - b.l4 + return v.carryPropagate() +} + +// Negate sets v = -a, and returns v. +func (v *Element) Negate(a *Element) *Element { + return v.Subtract(feZero, a) +} + +// Invert sets v = 1/z mod p, and returns v. +// +// If z == 0, Invert returns v = 0. +func (v *Element) Invert(z *Element) *Element { + // Inversion is implemented as exponentiation with exponent p − 2. It uses the + // same sequence of 255 squarings and 11 multiplications as [Curve25519]. + var z2, z9, z11, z2_5_0, z2_10_0, z2_20_0, z2_50_0, z2_100_0, t Element + + z2.Square(z) // 2 + t.Square(&z2) // 4 + t.Square(&t) // 8 + z9.Multiply(&t, z) // 9 + z11.Multiply(&z9, &z2) // 11 + t.Square(&z11) // 22 + z2_5_0.Multiply(&t, &z9) // 31 = 2^5 - 2^0 + + t.Square(&z2_5_0) // 2^6 - 2^1 + for i := 0; i < 4; i++ { + t.Square(&t) // 2^10 - 2^5 + } + z2_10_0.Multiply(&t, &z2_5_0) // 2^10 - 2^0 + + t.Square(&z2_10_0) // 2^11 - 2^1 + for i := 0; i < 9; i++ { + t.Square(&t) // 2^20 - 2^10 + } + z2_20_0.Multiply(&t, &z2_10_0) // 2^20 - 2^0 + + t.Square(&z2_20_0) // 2^21 - 2^1 + for i := 0; i < 19; i++ { + t.Square(&t) // 2^40 - 2^20 + } + t.Multiply(&t, &z2_20_0) // 2^40 - 2^0 + + t.Square(&t) // 2^41 - 2^1 + for i := 0; i < 9; i++ { + t.Square(&t) // 2^50 - 2^10 + } + z2_50_0.Multiply(&t, &z2_10_0) // 2^50 - 2^0 + + t.Square(&z2_50_0) // 2^51 - 2^1 + for i := 0; i < 49; i++ { + t.Square(&t) // 2^100 - 2^50 + } + z2_100_0.Multiply(&t, &z2_50_0) // 2^100 - 2^0 + + t.Square(&z2_100_0) // 2^101 - 2^1 + for i := 0; i < 99; i++ { + t.Square(&t) // 2^200 - 2^100 + } + t.Multiply(&t, &z2_100_0) // 2^200 - 2^0 + + t.Square(&t) // 2^201 - 2^1 + for i := 0; i < 49; i++ { + t.Square(&t) // 2^250 - 2^50 + } + t.Multiply(&t, &z2_50_0) // 2^250 - 2^0 + + t.Square(&t) // 2^251 - 2^1 + t.Square(&t) // 2^252 - 2^2 + t.Square(&t) // 2^253 - 2^3 + t.Square(&t) // 2^254 - 2^4 + t.Square(&t) // 2^255 - 2^5 + + return v.Multiply(&t, &z11) // 2^255 - 21 +} + +// Set sets v = a, and returns v. +func (v *Element) Set(a *Element) *Element { + *v = *a + return v +} + +// SetBytes sets v to x, which must be a 32-byte little-endian encoding. +// +// Consistent with RFC 7748, the most significant bit (the high bit of the +// last byte) is ignored, and non-canonical values (2^255-19 through 2^255-1) +// are accepted. Note that this is laxer than specified by RFC 8032. +func (v *Element) SetBytes(x []byte) *Element { + if len(x) != 32 { + panic("edwards25519: invalid field element input size") + } + + // Bits 0:51 (bytes 0:8, bits 0:64, shift 0, mask 51). + v.l0 = binary.LittleEndian.Uint64(x[0:8]) + v.l0 &= maskLow51Bits + // Bits 51:102 (bytes 6:14, bits 48:112, shift 3, mask 51). + v.l1 = binary.LittleEndian.Uint64(x[6:14]) >> 3 + v.l1 &= maskLow51Bits + // Bits 102:153 (bytes 12:20, bits 96:160, shift 6, mask 51). + v.l2 = binary.LittleEndian.Uint64(x[12:20]) >> 6 + v.l2 &= maskLow51Bits + // Bits 153:204 (bytes 19:27, bits 152:216, shift 1, mask 51). + v.l3 = binary.LittleEndian.Uint64(x[19:27]) >> 1 + v.l3 &= maskLow51Bits + // Bits 204:251 (bytes 24:32, bits 192:256, shift 12, mask 51). + // Note: not bytes 25:33, shift 4, to avoid overread. + v.l4 = binary.LittleEndian.Uint64(x[24:32]) >> 12 + v.l4 &= maskLow51Bits + + return v +} + +// Bytes returns the canonical 32-byte little-endian encoding of v. +func (v *Element) Bytes() []byte { + // This function is outlined to make the allocations inline in the caller + // rather than happen on the heap. + var out [32]byte + return v.bytes(&out) +} + +func (v *Element) bytes(out *[32]byte) []byte { + t := *v + t.reduce() + + var buf [8]byte + for i, l := range [5]uint64{t.l0, t.l1, t.l2, t.l3, t.l4} { + bitsOffset := i * 51 + binary.LittleEndian.PutUint64(buf[:], l<= len(out) { + break + } + out[off] |= bb + } + } + + return out[:] +} + +// Equal returns 1 if v and u are equal, and 0 otherwise. +func (v *Element) Equal(u *Element) int { + sa, sv := u.Bytes(), v.Bytes() + return subtle.ConstantTimeCompare(sa, sv) +} + +// mask64Bits returns 0xffffffff if cond is 1, and 0 otherwise. +func mask64Bits(cond int) uint64 { return ^(uint64(cond) - 1) } + +// Select sets v to a if cond == 1, and to b if cond == 0. +func (v *Element) Select(a, b *Element, cond int) *Element { + m := mask64Bits(cond) + v.l0 = (m & a.l0) | (^m & b.l0) + v.l1 = (m & a.l1) | (^m & b.l1) + v.l2 = (m & a.l2) | (^m & b.l2) + v.l3 = (m & a.l3) | (^m & b.l3) + v.l4 = (m & a.l4) | (^m & b.l4) + return v +} + +// Swap swaps v and u if cond == 1 or leaves them unchanged if cond == 0, and returns v. +func (v *Element) Swap(u *Element, cond int) { + m := mask64Bits(cond) + t := m & (v.l0 ^ u.l0) + v.l0 ^= t + u.l0 ^= t + t = m & (v.l1 ^ u.l1) + v.l1 ^= t + u.l1 ^= t + t = m & (v.l2 ^ u.l2) + v.l2 ^= t + u.l2 ^= t + t = m & (v.l3 ^ u.l3) + v.l3 ^= t + u.l3 ^= t + t = m & (v.l4 ^ u.l4) + v.l4 ^= t + u.l4 ^= t +} + +// IsNegative returns 1 if v is negative, and 0 otherwise. +func (v *Element) IsNegative() int { + return int(v.Bytes()[0] & 1) +} + +// Absolute sets v to |u|, and returns v. +func (v *Element) Absolute(u *Element) *Element { + return v.Select(new(Element).Negate(u), u, u.IsNegative()) +} + +// Multiply sets v = x * y, and returns v. +func (v *Element) Multiply(x, y *Element) *Element { + feMul(v, x, y) + return v +} + +// Square sets v = x * x, and returns v. +func (v *Element) Square(x *Element) *Element { + feSquare(v, x) + return v +} + +// Mult32 sets v = x * y, and returns v. +func (v *Element) Mult32(x *Element, y uint32) *Element { + x0lo, x0hi := mul51(x.l0, y) + x1lo, x1hi := mul51(x.l1, y) + x2lo, x2hi := mul51(x.l2, y) + x3lo, x3hi := mul51(x.l3, y) + x4lo, x4hi := mul51(x.l4, y) + v.l0 = x0lo + 19*x4hi // carried over per the reduction identity + v.l1 = x1lo + x0hi + v.l2 = x2lo + x1hi + v.l3 = x3lo + x2hi + v.l4 = x4lo + x3hi + // The hi portions are going to be only 32 bits, plus any previous excess, + // so we can skip the carry propagation. + return v +} + +// mul51 returns lo + hi * 2⁵¹ = a * b. +func mul51(a uint64, b uint32) (lo uint64, hi uint64) { + mh, ml := bits.Mul64(a, uint64(b)) + lo = ml & maskLow51Bits + hi = (mh << 13) | (ml >> 51) + return +} + +// Pow22523 set v = x^((p-5)/8), and returns v. (p-5)/8 is 2^252-3. +func (v *Element) Pow22523(x *Element) *Element { + var t0, t1, t2 Element + + t0.Square(x) // x^2 + t1.Square(&t0) // x^4 + t1.Square(&t1) // x^8 + t1.Multiply(x, &t1) // x^9 + t0.Multiply(&t0, &t1) // x^11 + t0.Square(&t0) // x^22 + t0.Multiply(&t1, &t0) // x^31 + t1.Square(&t0) // x^62 + for i := 1; i < 5; i++ { // x^992 + t1.Square(&t1) + } + t0.Multiply(&t1, &t0) // x^1023 -> 1023 = 2^10 - 1 + t1.Square(&t0) // 2^11 - 2 + for i := 1; i < 10; i++ { // 2^20 - 2^10 + t1.Square(&t1) + } + t1.Multiply(&t1, &t0) // 2^20 - 1 + t2.Square(&t1) // 2^21 - 2 + for i := 1; i < 20; i++ { // 2^40 - 2^20 + t2.Square(&t2) + } + t1.Multiply(&t2, &t1) // 2^40 - 1 + t1.Square(&t1) // 2^41 - 2 + for i := 1; i < 10; i++ { // 2^50 - 2^10 + t1.Square(&t1) + } + t0.Multiply(&t1, &t0) // 2^50 - 1 + t1.Square(&t0) // 2^51 - 2 + for i := 1; i < 50; i++ { // 2^100 - 2^50 + t1.Square(&t1) + } + t1.Multiply(&t1, &t0) // 2^100 - 1 + t2.Square(&t1) // 2^101 - 2 + for i := 1; i < 100; i++ { // 2^200 - 2^100 + t2.Square(&t2) + } + t1.Multiply(&t2, &t1) // 2^200 - 1 + t1.Square(&t1) // 2^201 - 2 + for i := 1; i < 50; i++ { // 2^250 - 2^50 + t1.Square(&t1) + } + t0.Multiply(&t1, &t0) // 2^250 - 1 + t0.Square(&t0) // 2^251 - 2 + t0.Square(&t0) // 2^252 - 4 + return v.Multiply(&t0, x) // 2^252 - 3 -> x^(2^252-3) +} + +// sqrtM1 is 2^((p-1)/4), which squared is equal to -1 by Euler's Criterion. +var sqrtM1 = &Element{1718705420411056, 234908883556509, + 2233514472574048, 2117202627021982, 765476049583133} + +// SqrtRatio sets r to the non-negative square root of the ratio of u and v. +// +// If u/v is square, SqrtRatio returns r and 1. If u/v is not square, SqrtRatio +// sets r according to Section 4.3 of draft-irtf-cfrg-ristretto255-decaf448-00, +// and returns r and 0. +func (r *Element) SqrtRatio(u, v *Element) (rr *Element, wasSquare int) { + var a, b Element + + // r = (u * v3) * (u * v7)^((p-5)/8) + v2 := a.Square(v) + uv3 := b.Multiply(u, b.Multiply(v2, v)) + uv7 := a.Multiply(uv3, a.Square(v2)) + r.Multiply(uv3, r.Pow22523(uv7)) + + check := a.Multiply(v, a.Square(r)) // check = v * r^2 + + uNeg := b.Negate(u) + correctSignSqrt := check.Equal(u) + flippedSignSqrt := check.Equal(uNeg) + flippedSignSqrtI := check.Equal(uNeg.Multiply(uNeg, sqrtM1)) + + rPrime := b.Multiply(r, sqrtM1) // r_prime = SQRT_M1 * r + // r = CT_SELECT(r_prime IF flipped_sign_sqrt | flipped_sign_sqrt_i ELSE r) + r.Select(rPrime, r, flippedSignSqrt|flippedSignSqrtI) + + r.Absolute(r) // Choose the nonnegative square root. + return r, correctSignSqrt | flippedSignSqrt +} diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.go new file mode 100644 index 00000000..44dc8e8c --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.go @@ -0,0 +1,13 @@ +// Code generated by command: go run fe_amd64_asm.go -out ../fe_amd64.s -stubs ../fe_amd64.go -pkg field. DO NOT EDIT. + +// +build amd64,gc,!purego + +package field + +// feMul sets out = a * b. It works like feMulGeneric. +//go:noescape +func feMul(out *Element, a *Element, b *Element) + +// feSquare sets out = a * a. It works like feSquareGeneric. +//go:noescape +func feSquare(out *Element, a *Element) diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.s b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.s new file mode 100644 index 00000000..293f013c --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64.s @@ -0,0 +1,379 @@ +// Code generated by command: go run fe_amd64_asm.go -out ../fe_amd64.s -stubs ../fe_amd64.go -pkg field. DO NOT EDIT. + +//go:build amd64 && gc && !purego +// +build amd64,gc,!purego + +#include "textflag.h" + +// func feMul(out *Element, a *Element, b *Element) +TEXT ·feMul(SB), NOSPLIT, $0-24 + MOVQ a+8(FP), CX + MOVQ b+16(FP), BX + + // r0 = a0×b0 + MOVQ (CX), AX + MULQ (BX) + MOVQ AX, DI + MOVQ DX, SI + + // r0 += 19×a1×b4 + MOVQ 8(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 32(BX) + ADDQ AX, DI + ADCQ DX, SI + + // r0 += 19×a2×b3 + MOVQ 16(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 24(BX) + ADDQ AX, DI + ADCQ DX, SI + + // r0 += 19×a3×b2 + MOVQ 24(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 16(BX) + ADDQ AX, DI + ADCQ DX, SI + + // r0 += 19×a4×b1 + MOVQ 32(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 8(BX) + ADDQ AX, DI + ADCQ DX, SI + + // r1 = a0×b1 + MOVQ (CX), AX + MULQ 8(BX) + MOVQ AX, R9 + MOVQ DX, R8 + + // r1 += a1×b0 + MOVQ 8(CX), AX + MULQ (BX) + ADDQ AX, R9 + ADCQ DX, R8 + + // r1 += 19×a2×b4 + MOVQ 16(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 32(BX) + ADDQ AX, R9 + ADCQ DX, R8 + + // r1 += 19×a3×b3 + MOVQ 24(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 24(BX) + ADDQ AX, R9 + ADCQ DX, R8 + + // r1 += 19×a4×b2 + MOVQ 32(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 16(BX) + ADDQ AX, R9 + ADCQ DX, R8 + + // r2 = a0×b2 + MOVQ (CX), AX + MULQ 16(BX) + MOVQ AX, R11 + MOVQ DX, R10 + + // r2 += a1×b1 + MOVQ 8(CX), AX + MULQ 8(BX) + ADDQ AX, R11 + ADCQ DX, R10 + + // r2 += a2×b0 + MOVQ 16(CX), AX + MULQ (BX) + ADDQ AX, R11 + ADCQ DX, R10 + + // r2 += 19×a3×b4 + MOVQ 24(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 32(BX) + ADDQ AX, R11 + ADCQ DX, R10 + + // r2 += 19×a4×b3 + MOVQ 32(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 24(BX) + ADDQ AX, R11 + ADCQ DX, R10 + + // r3 = a0×b3 + MOVQ (CX), AX + MULQ 24(BX) + MOVQ AX, R13 + MOVQ DX, R12 + + // r3 += a1×b2 + MOVQ 8(CX), AX + MULQ 16(BX) + ADDQ AX, R13 + ADCQ DX, R12 + + // r3 += a2×b1 + MOVQ 16(CX), AX + MULQ 8(BX) + ADDQ AX, R13 + ADCQ DX, R12 + + // r3 += a3×b0 + MOVQ 24(CX), AX + MULQ (BX) + ADDQ AX, R13 + ADCQ DX, R12 + + // r3 += 19×a4×b4 + MOVQ 32(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 32(BX) + ADDQ AX, R13 + ADCQ DX, R12 + + // r4 = a0×b4 + MOVQ (CX), AX + MULQ 32(BX) + MOVQ AX, R15 + MOVQ DX, R14 + + // r4 += a1×b3 + MOVQ 8(CX), AX + MULQ 24(BX) + ADDQ AX, R15 + ADCQ DX, R14 + + // r4 += a2×b2 + MOVQ 16(CX), AX + MULQ 16(BX) + ADDQ AX, R15 + ADCQ DX, R14 + + // r4 += a3×b1 + MOVQ 24(CX), AX + MULQ 8(BX) + ADDQ AX, R15 + ADCQ DX, R14 + + // r4 += a4×b0 + MOVQ 32(CX), AX + MULQ (BX) + ADDQ AX, R15 + ADCQ DX, R14 + + // First reduction chain + MOVQ $0x0007ffffffffffff, AX + SHLQ $0x0d, DI, SI + SHLQ $0x0d, R9, R8 + SHLQ $0x0d, R11, R10 + SHLQ $0x0d, R13, R12 + SHLQ $0x0d, R15, R14 + ANDQ AX, DI + IMUL3Q $0x13, R14, R14 + ADDQ R14, DI + ANDQ AX, R9 + ADDQ SI, R9 + ANDQ AX, R11 + ADDQ R8, R11 + ANDQ AX, R13 + ADDQ R10, R13 + ANDQ AX, R15 + ADDQ R12, R15 + + // Second reduction chain (carryPropagate) + MOVQ DI, SI + SHRQ $0x33, SI + MOVQ R9, R8 + SHRQ $0x33, R8 + MOVQ R11, R10 + SHRQ $0x33, R10 + MOVQ R13, R12 + SHRQ $0x33, R12 + MOVQ R15, R14 + SHRQ $0x33, R14 + ANDQ AX, DI + IMUL3Q $0x13, R14, R14 + ADDQ R14, DI + ANDQ AX, R9 + ADDQ SI, R9 + ANDQ AX, R11 + ADDQ R8, R11 + ANDQ AX, R13 + ADDQ R10, R13 + ANDQ AX, R15 + ADDQ R12, R15 + + // Store output + MOVQ out+0(FP), AX + MOVQ DI, (AX) + MOVQ R9, 8(AX) + MOVQ R11, 16(AX) + MOVQ R13, 24(AX) + MOVQ R15, 32(AX) + RET + +// func feSquare(out *Element, a *Element) +TEXT ·feSquare(SB), NOSPLIT, $0-16 + MOVQ a+8(FP), CX + + // r0 = l0×l0 + MOVQ (CX), AX + MULQ (CX) + MOVQ AX, SI + MOVQ DX, BX + + // r0 += 38×l1×l4 + MOVQ 8(CX), AX + IMUL3Q $0x26, AX, AX + MULQ 32(CX) + ADDQ AX, SI + ADCQ DX, BX + + // r0 += 38×l2×l3 + MOVQ 16(CX), AX + IMUL3Q $0x26, AX, AX + MULQ 24(CX) + ADDQ AX, SI + ADCQ DX, BX + + // r1 = 2×l0×l1 + MOVQ (CX), AX + SHLQ $0x01, AX + MULQ 8(CX) + MOVQ AX, R8 + MOVQ DX, DI + + // r1 += 38×l2×l4 + MOVQ 16(CX), AX + IMUL3Q $0x26, AX, AX + MULQ 32(CX) + ADDQ AX, R8 + ADCQ DX, DI + + // r1 += 19×l3×l3 + MOVQ 24(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 24(CX) + ADDQ AX, R8 + ADCQ DX, DI + + // r2 = 2×l0×l2 + MOVQ (CX), AX + SHLQ $0x01, AX + MULQ 16(CX) + MOVQ AX, R10 + MOVQ DX, R9 + + // r2 += l1×l1 + MOVQ 8(CX), AX + MULQ 8(CX) + ADDQ AX, R10 + ADCQ DX, R9 + + // r2 += 38×l3×l4 + MOVQ 24(CX), AX + IMUL3Q $0x26, AX, AX + MULQ 32(CX) + ADDQ AX, R10 + ADCQ DX, R9 + + // r3 = 2×l0×l3 + MOVQ (CX), AX + SHLQ $0x01, AX + MULQ 24(CX) + MOVQ AX, R12 + MOVQ DX, R11 + + // r3 += 2×l1×l2 + MOVQ 8(CX), AX + IMUL3Q $0x02, AX, AX + MULQ 16(CX) + ADDQ AX, R12 + ADCQ DX, R11 + + // r3 += 19×l4×l4 + MOVQ 32(CX), AX + IMUL3Q $0x13, AX, AX + MULQ 32(CX) + ADDQ AX, R12 + ADCQ DX, R11 + + // r4 = 2×l0×l4 + MOVQ (CX), AX + SHLQ $0x01, AX + MULQ 32(CX) + MOVQ AX, R14 + MOVQ DX, R13 + + // r4 += 2×l1×l3 + MOVQ 8(CX), AX + IMUL3Q $0x02, AX, AX + MULQ 24(CX) + ADDQ AX, R14 + ADCQ DX, R13 + + // r4 += l2×l2 + MOVQ 16(CX), AX + MULQ 16(CX) + ADDQ AX, R14 + ADCQ DX, R13 + + // First reduction chain + MOVQ $0x0007ffffffffffff, AX + SHLQ $0x0d, SI, BX + SHLQ $0x0d, R8, DI + SHLQ $0x0d, R10, R9 + SHLQ $0x0d, R12, R11 + SHLQ $0x0d, R14, R13 + ANDQ AX, SI + IMUL3Q $0x13, R13, R13 + ADDQ R13, SI + ANDQ AX, R8 + ADDQ BX, R8 + ANDQ AX, R10 + ADDQ DI, R10 + ANDQ AX, R12 + ADDQ R9, R12 + ANDQ AX, R14 + ADDQ R11, R14 + + // Second reduction chain (carryPropagate) + MOVQ SI, BX + SHRQ $0x33, BX + MOVQ R8, DI + SHRQ $0x33, DI + MOVQ R10, R9 + SHRQ $0x33, R9 + MOVQ R12, R11 + SHRQ $0x33, R11 + MOVQ R14, R13 + SHRQ $0x33, R13 + ANDQ AX, SI + IMUL3Q $0x13, R13, R13 + ADDQ R13, SI + ANDQ AX, R8 + ADDQ BX, R8 + ANDQ AX, R10 + ADDQ DI, R10 + ANDQ AX, R12 + ADDQ R9, R12 + ANDQ AX, R14 + ADDQ R11, R14 + + // Store output + MOVQ out+0(FP), AX + MOVQ SI, (AX) + MOVQ R8, 8(AX) + MOVQ R10, 16(AX) + MOVQ R12, 24(AX) + MOVQ R14, 32(AX) + RET diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64_noasm.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64_noasm.go new file mode 100644 index 00000000..ddb6c9b8 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_amd64_noasm.go @@ -0,0 +1,12 @@ +// Copyright (c) 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !amd64 || !gc || purego +// +build !amd64 !gc purego + +package field + +func feMul(v, x, y *Element) { feMulGeneric(v, x, y) } + +func feSquare(v, x *Element) { feSquareGeneric(v, x) } diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.go new file mode 100644 index 00000000..af459ef5 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.go @@ -0,0 +1,16 @@ +// Copyright (c) 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 && gc && !purego +// +build arm64,gc,!purego + +package field + +//go:noescape +func carryPropagate(v *Element) + +func (v *Element) carryPropagate() *Element { + carryPropagate(v) + return v +} diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.s b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.s new file mode 100644 index 00000000..5c91e458 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64.s @@ -0,0 +1,43 @@ +// Copyright (c) 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 && gc && !purego +// +build arm64,gc,!purego + +#include "textflag.h" + +// carryPropagate works exactly like carryPropagateGeneric and uses the +// same AND, ADD, and LSR+MADD instructions emitted by the compiler, but +// avoids loading R0-R4 twice and uses LDP and STP. +// +// See https://golang.org/issues/43145 for the main compiler issue. +// +// func carryPropagate(v *Element) +TEXT ·carryPropagate(SB),NOFRAME|NOSPLIT,$0-8 + MOVD v+0(FP), R20 + + LDP 0(R20), (R0, R1) + LDP 16(R20), (R2, R3) + MOVD 32(R20), R4 + + AND $0x7ffffffffffff, R0, R10 + AND $0x7ffffffffffff, R1, R11 + AND $0x7ffffffffffff, R2, R12 + AND $0x7ffffffffffff, R3, R13 + AND $0x7ffffffffffff, R4, R14 + + ADD R0>>51, R11, R11 + ADD R1>>51, R12, R12 + ADD R2>>51, R13, R13 + ADD R3>>51, R14, R14 + // R4>>51 * 19 + R10 -> R10 + LSR $51, R4, R21 + MOVD $19, R22 + MADD R22, R10, R21, R10 + + STP (R10, R11), 0(R20) + STP (R12, R13), 16(R20) + MOVD R14, 32(R20) + + RET diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64_noasm.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64_noasm.go new file mode 100644 index 00000000..234a5b2e --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_arm64_noasm.go @@ -0,0 +1,12 @@ +// Copyright (c) 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !arm64 || !gc || purego +// +build !arm64 !gc purego + +package field + +func (v *Element) carryPropagate() *Element { + return v.carryPropagateGeneric() +} diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/fe_generic.go b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_generic.go new file mode 100644 index 00000000..7b5b78cb --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/fe_generic.go @@ -0,0 +1,264 @@ +// Copyright (c) 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package field + +import "math/bits" + +// uint128 holds a 128-bit number as two 64-bit limbs, for use with the +// bits.Mul64 and bits.Add64 intrinsics. +type uint128 struct { + lo, hi uint64 +} + +// mul64 returns a * b. +func mul64(a, b uint64) uint128 { + hi, lo := bits.Mul64(a, b) + return uint128{lo, hi} +} + +// addMul64 returns v + a * b. +func addMul64(v uint128, a, b uint64) uint128 { + hi, lo := bits.Mul64(a, b) + lo, c := bits.Add64(lo, v.lo, 0) + hi, _ = bits.Add64(hi, v.hi, c) + return uint128{lo, hi} +} + +// shiftRightBy51 returns a >> 51. a is assumed to be at most 115 bits. +func shiftRightBy51(a uint128) uint64 { + return (a.hi << (64 - 51)) | (a.lo >> 51) +} + +func feMulGeneric(v, a, b *Element) { + a0 := a.l0 + a1 := a.l1 + a2 := a.l2 + a3 := a.l3 + a4 := a.l4 + + b0 := b.l0 + b1 := b.l1 + b2 := b.l2 + b3 := b.l3 + b4 := b.l4 + + // Limb multiplication works like pen-and-paper columnar multiplication, but + // with 51-bit limbs instead of digits. + // + // a4 a3 a2 a1 a0 x + // b4 b3 b2 b1 b0 = + // ------------------------ + // a4b0 a3b0 a2b0 a1b0 a0b0 + + // a4b1 a3b1 a2b1 a1b1 a0b1 + + // a4b2 a3b2 a2b2 a1b2 a0b2 + + // a4b3 a3b3 a2b3 a1b3 a0b3 + + // a4b4 a3b4 a2b4 a1b4 a0b4 = + // ---------------------------------------------- + // r8 r7 r6 r5 r4 r3 r2 r1 r0 + // + // We can then use the reduction identity (a * 2²⁵⁵ + b = a * 19 + b) to + // reduce the limbs that would overflow 255 bits. r5 * 2²⁵⁵ becomes 19 * r5, + // r6 * 2³⁰⁶ becomes 19 * r6 * 2⁵¹, etc. + // + // Reduction can be carried out simultaneously to multiplication. For + // example, we do not compute r5: whenever the result of a multiplication + // belongs to r5, like a1b4, we multiply it by 19 and add the result to r0. + // + // a4b0 a3b0 a2b0 a1b0 a0b0 + + // a3b1 a2b1 a1b1 a0b1 19×a4b1 + + // a2b2 a1b2 a0b2 19×a4b2 19×a3b2 + + // a1b3 a0b3 19×a4b3 19×a3b3 19×a2b3 + + // a0b4 19×a4b4 19×a3b4 19×a2b4 19×a1b4 = + // -------------------------------------- + // r4 r3 r2 r1 r0 + // + // Finally we add up the columns into wide, overlapping limbs. + + a1_19 := a1 * 19 + a2_19 := a2 * 19 + a3_19 := a3 * 19 + a4_19 := a4 * 19 + + // r0 = a0×b0 + 19×(a1×b4 + a2×b3 + a3×b2 + a4×b1) + r0 := mul64(a0, b0) + r0 = addMul64(r0, a1_19, b4) + r0 = addMul64(r0, a2_19, b3) + r0 = addMul64(r0, a3_19, b2) + r0 = addMul64(r0, a4_19, b1) + + // r1 = a0×b1 + a1×b0 + 19×(a2×b4 + a3×b3 + a4×b2) + r1 := mul64(a0, b1) + r1 = addMul64(r1, a1, b0) + r1 = addMul64(r1, a2_19, b4) + r1 = addMul64(r1, a3_19, b3) + r1 = addMul64(r1, a4_19, b2) + + // r2 = a0×b2 + a1×b1 + a2×b0 + 19×(a3×b4 + a4×b3) + r2 := mul64(a0, b2) + r2 = addMul64(r2, a1, b1) + r2 = addMul64(r2, a2, b0) + r2 = addMul64(r2, a3_19, b4) + r2 = addMul64(r2, a4_19, b3) + + // r3 = a0×b3 + a1×b2 + a2×b1 + a3×b0 + 19×a4×b4 + r3 := mul64(a0, b3) + r3 = addMul64(r3, a1, b2) + r3 = addMul64(r3, a2, b1) + r3 = addMul64(r3, a3, b0) + r3 = addMul64(r3, a4_19, b4) + + // r4 = a0×b4 + a1×b3 + a2×b2 + a3×b1 + a4×b0 + r4 := mul64(a0, b4) + r4 = addMul64(r4, a1, b3) + r4 = addMul64(r4, a2, b2) + r4 = addMul64(r4, a3, b1) + r4 = addMul64(r4, a4, b0) + + // After the multiplication, we need to reduce (carry) the five coefficients + // to obtain a result with limbs that are at most slightly larger than 2⁵¹, + // to respect the Element invariant. + // + // Overall, the reduction works the same as carryPropagate, except with + // wider inputs: we take the carry for each coefficient by shifting it right + // by 51, and add it to the limb above it. The top carry is multiplied by 19 + // according to the reduction identity and added to the lowest limb. + // + // The largest coefficient (r0) will be at most 111 bits, which guarantees + // that all carries are at most 111 - 51 = 60 bits, which fits in a uint64. + // + // r0 = a0×b0 + 19×(a1×b4 + a2×b3 + a3×b2 + a4×b1) + // r0 < 2⁵²×2⁵² + 19×(2⁵²×2⁵² + 2⁵²×2⁵² + 2⁵²×2⁵² + 2⁵²×2⁵²) + // r0 < (1 + 19 × 4) × 2⁵² × 2⁵² + // r0 < 2⁷ × 2⁵² × 2⁵² + // r0 < 2¹¹¹ + // + // Moreover, the top coefficient (r4) is at most 107 bits, so c4 is at most + // 56 bits, and c4 * 19 is at most 61 bits, which again fits in a uint64 and + // allows us to easily apply the reduction identity. + // + // r4 = a0×b4 + a1×b3 + a2×b2 + a3×b1 + a4×b0 + // r4 < 5 × 2⁵² × 2⁵² + // r4 < 2¹⁰⁷ + // + + c0 := shiftRightBy51(r0) + c1 := shiftRightBy51(r1) + c2 := shiftRightBy51(r2) + c3 := shiftRightBy51(r3) + c4 := shiftRightBy51(r4) + + rr0 := r0.lo&maskLow51Bits + c4*19 + rr1 := r1.lo&maskLow51Bits + c0 + rr2 := r2.lo&maskLow51Bits + c1 + rr3 := r3.lo&maskLow51Bits + c2 + rr4 := r4.lo&maskLow51Bits + c3 + + // Now all coefficients fit into 64-bit registers but are still too large to + // be passed around as a Element. We therefore do one last carry chain, + // where the carries will be small enough to fit in the wiggle room above 2⁵¹. + *v = Element{rr0, rr1, rr2, rr3, rr4} + v.carryPropagate() +} + +func feSquareGeneric(v, a *Element) { + l0 := a.l0 + l1 := a.l1 + l2 := a.l2 + l3 := a.l3 + l4 := a.l4 + + // Squaring works precisely like multiplication above, but thanks to its + // symmetry we get to group a few terms together. + // + // l4 l3 l2 l1 l0 x + // l4 l3 l2 l1 l0 = + // ------------------------ + // l4l0 l3l0 l2l0 l1l0 l0l0 + + // l4l1 l3l1 l2l1 l1l1 l0l1 + + // l4l2 l3l2 l2l2 l1l2 l0l2 + + // l4l3 l3l3 l2l3 l1l3 l0l3 + + // l4l4 l3l4 l2l4 l1l4 l0l4 = + // ---------------------------------------------- + // r8 r7 r6 r5 r4 r3 r2 r1 r0 + // + // l4l0 l3l0 l2l0 l1l0 l0l0 + + // l3l1 l2l1 l1l1 l0l1 19×l4l1 + + // l2l2 l1l2 l0l2 19×l4l2 19×l3l2 + + // l1l3 l0l3 19×l4l3 19×l3l3 19×l2l3 + + // l0l4 19×l4l4 19×l3l4 19×l2l4 19×l1l4 = + // -------------------------------------- + // r4 r3 r2 r1 r0 + // + // With precomputed 2×, 19×, and 2×19× terms, we can compute each limb with + // only three Mul64 and four Add64, instead of five and eight. + + l0_2 := l0 * 2 + l1_2 := l1 * 2 + + l1_38 := l1 * 38 + l2_38 := l2 * 38 + l3_38 := l3 * 38 + + l3_19 := l3 * 19 + l4_19 := l4 * 19 + + // r0 = l0×l0 + 19×(l1×l4 + l2×l3 + l3×l2 + l4×l1) = l0×l0 + 19×2×(l1×l4 + l2×l3) + r0 := mul64(l0, l0) + r0 = addMul64(r0, l1_38, l4) + r0 = addMul64(r0, l2_38, l3) + + // r1 = l0×l1 + l1×l0 + 19×(l2×l4 + l3×l3 + l4×l2) = 2×l0×l1 + 19×2×l2×l4 + 19×l3×l3 + r1 := mul64(l0_2, l1) + r1 = addMul64(r1, l2_38, l4) + r1 = addMul64(r1, l3_19, l3) + + // r2 = l0×l2 + l1×l1 + l2×l0 + 19×(l3×l4 + l4×l3) = 2×l0×l2 + l1×l1 + 19×2×l3×l4 + r2 := mul64(l0_2, l2) + r2 = addMul64(r2, l1, l1) + r2 = addMul64(r2, l3_38, l4) + + // r3 = l0×l3 + l1×l2 + l2×l1 + l3×l0 + 19×l4×l4 = 2×l0×l3 + 2×l1×l2 + 19×l4×l4 + r3 := mul64(l0_2, l3) + r3 = addMul64(r3, l1_2, l2) + r3 = addMul64(r3, l4_19, l4) + + // r4 = l0×l4 + l1×l3 + l2×l2 + l3×l1 + l4×l0 = 2×l0×l4 + 2×l1×l3 + l2×l2 + r4 := mul64(l0_2, l4) + r4 = addMul64(r4, l1_2, l3) + r4 = addMul64(r4, l2, l2) + + c0 := shiftRightBy51(r0) + c1 := shiftRightBy51(r1) + c2 := shiftRightBy51(r2) + c3 := shiftRightBy51(r3) + c4 := shiftRightBy51(r4) + + rr0 := r0.lo&maskLow51Bits + c4*19 + rr1 := r1.lo&maskLow51Bits + c0 + rr2 := r2.lo&maskLow51Bits + c1 + rr3 := r3.lo&maskLow51Bits + c2 + rr4 := r4.lo&maskLow51Bits + c3 + + *v = Element{rr0, rr1, rr2, rr3, rr4} + v.carryPropagate() +} + +// carryPropagate brings the limbs below 52 bits by applying the reduction +// identity (a * 2²⁵⁵ + b = a * 19 + b) to the l4 carry. TODO inline +func (v *Element) carryPropagateGeneric() *Element { + c0 := v.l0 >> 51 + c1 := v.l1 >> 51 + c2 := v.l2 >> 51 + c3 := v.l3 >> 51 + c4 := v.l4 >> 51 + + v.l0 = v.l0&maskLow51Bits + c4*19 + v.l1 = v.l1&maskLow51Bits + c0 + v.l2 = v.l2&maskLow51Bits + c1 + v.l3 = v.l3&maskLow51Bits + c2 + v.l4 = v.l4&maskLow51Bits + c3 + + return v +} diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/sync.checkpoint b/vendor/golang.org/x/crypto/curve25519/internal/field/sync.checkpoint new file mode 100644 index 00000000..e3685f95 --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/sync.checkpoint @@ -0,0 +1 @@ +b0c49ae9f59d233526f8934262c5bbbe14d4358d diff --git a/vendor/golang.org/x/crypto/curve25519/internal/field/sync.sh b/vendor/golang.org/x/crypto/curve25519/internal/field/sync.sh new file mode 100644 index 00000000..1ba22a8b --- /dev/null +++ b/vendor/golang.org/x/crypto/curve25519/internal/field/sync.sh @@ -0,0 +1,19 @@ +#! /bin/bash +set -euo pipefail + +cd "$(git rev-parse --show-toplevel)" + +STD_PATH=src/crypto/ed25519/internal/edwards25519/field +LOCAL_PATH=curve25519/internal/field +LAST_SYNC_REF=$(cat $LOCAL_PATH/sync.checkpoint) + +git fetch https://go.googlesource.com/go master + +if git diff --quiet $LAST_SYNC_REF:$STD_PATH FETCH_HEAD:$STD_PATH; then + echo "No changes." +else + NEW_REF=$(git rev-parse FETCH_HEAD | tee $LOCAL_PATH/sync.checkpoint) + echo "Applying changes from $LAST_SYNC_REF to $NEW_REF..." + git diff $LAST_SYNC_REF:$STD_PATH FETCH_HEAD:$STD_PATH | \ + git apply -3 --directory=$LOCAL_PATH +fi diff --git a/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go b/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go new file mode 100644 index 00000000..593f6530 --- /dev/null +++ b/vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go @@ -0,0 +1,77 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC +2898 / PKCS #5 v2.0. + +A key derivation function is useful when encrypting data based on a password +or any other not-fully-random data. It uses a pseudorandom function to derive +a secure encryption key based on the password. + +While v2.0 of the standard defines only one pseudorandom function to use, +HMAC-SHA1, the drafted v2.1 specification allows use of all five FIPS Approved +Hash Functions SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 for HMAC. To +choose, you can pass the `New` functions from the different SHA packages to +pbkdf2.Key. +*/ +package pbkdf2 // import "golang.org/x/crypto/pbkdf2" + +import ( + "crypto/hmac" + "hash" +) + +// Key derives a key from the password, salt and iteration count, returning a +// []byte of length keylen that can be used as cryptographic key. The key is +// derived based on the method described as PBKDF2 with the HMAC variant using +// the supplied hash function. +// +// For example, to use a HMAC-SHA-1 based PBKDF2 key derivation function, you +// can get a derived key for e.g. AES-256 (which needs a 32-byte key) by +// doing: +// +// dk := pbkdf2.Key([]byte("some password"), salt, 4096, 32, sha1.New) +// +// Remember to get a good random salt. At least 8 bytes is recommended by the +// RFC. +// +// Using a higher iteration count will increase the cost of an exhaustive +// search but will also make derivation proportionally slower. +func Key(password, salt []byte, iter, keyLen int, h func() hash.Hash) []byte { + prf := hmac.New(h, password) + hashLen := prf.Size() + numBlocks := (keyLen + hashLen - 1) / hashLen + + var buf [4]byte + dk := make([]byte, 0, numBlocks*hashLen) + U := make([]byte, hashLen) + for block := 1; block <= numBlocks; block++ { + // N.B.: || means concatenation, ^ means XOR + // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter + // U_1 = PRF(password, salt || uint(i)) + prf.Reset() + prf.Write(salt) + buf[0] = byte(block >> 24) + buf[1] = byte(block >> 16) + buf[2] = byte(block >> 8) + buf[3] = byte(block) + prf.Write(buf[:4]) + dk = prf.Sum(dk) + T := dk[len(dk)-hashLen:] + copy(U, T) + + // U_n = PRF(password, U_(n-1)) + for n := 2; n <= iter; n++ { + prf.Reset() + prf.Write(U) + U = U[:0] + U = prf.Sum(U) + for x := range U { + T[x] ^= U[x] + } + } + } + return dk[:keyLen] +} diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s b/vendor/golang.org/x/crypto/poly1305/sum_amd64.s index 2cb03731..1d74f0f8 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_amd64.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build gc && !purego // +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s index 5cd7494b..58422aad 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build gc && !purego // +build gc,!purego #include "textflag.h" @@ -82,7 +83,7 @@ multiply: BGE loop bytes_between_0_and_15: - CMP $0, R5 + CMP R5, $0 BEQ done MOVD $0, R16 // h0 MOVD $0, R17 // h1 @@ -122,7 +123,7 @@ just1: // Exactly 8 MOVD (R4), R16 - CMP $0, R17 + CMP R17, $0 // Check if we've already set R17; if not // set 1 to indicate end of msg. @@ -151,7 +152,7 @@ less4: ADD $2, R4 less2: - CMP $0, R5 + CMP R5, $0 BEQ insert1 MOVBZ (R4), R21 SLD R22, R21, R21 @@ -166,12 +167,12 @@ insert1: carry: // Add new values to h0, h1, h2 - ADDC R16, R8 - ADDE R17, R9 - ADDE $0, R10 - MOVD $16, R5 - ADD R5, R4 - BR multiply + ADDC R16, R8 + ADDE R17, R9 + ADDZE R10, R10 + MOVD $16, R5 + ADD R5, R4 + BR multiply done: // Save h0, h1, h2 in state diff --git a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s b/vendor/golang.org/x/crypto/poly1305/sum_s390x.s index bdd882c6..69c64f84 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_s390x.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build gc && !purego // +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s index f97efc67..c0892772 100644 --- a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s +++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build amd64 && !purego && gc // +build amd64,!purego,gc // This code was translated into a form compatible with 6a from the public diff --git a/vendor/golang.org/x/crypto/scrypt/scrypt.go b/vendor/golang.org/x/crypto/scrypt/scrypt.go new file mode 100644 index 00000000..bbe4494c --- /dev/null +++ b/vendor/golang.org/x/crypto/scrypt/scrypt.go @@ -0,0 +1,212 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package scrypt implements the scrypt key derivation function as defined in +// Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard +// Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf). +package scrypt // import "golang.org/x/crypto/scrypt" + +import ( + "crypto/sha256" + "encoding/binary" + "errors" + "math/bits" + + "golang.org/x/crypto/pbkdf2" +) + +const maxInt = int(^uint(0) >> 1) + +// blockCopy copies n numbers from src into dst. +func blockCopy(dst, src []uint32, n int) { + copy(dst, src[:n]) +} + +// blockXOR XORs numbers from dst with n numbers from src. +func blockXOR(dst, src []uint32, n int) { + for i, v := range src[:n] { + dst[i] ^= v + } +} + +// salsaXOR applies Salsa20/8 to the XOR of 16 numbers from tmp and in, +// and puts the result into both tmp and out. +func salsaXOR(tmp *[16]uint32, in, out []uint32) { + w0 := tmp[0] ^ in[0] + w1 := tmp[1] ^ in[1] + w2 := tmp[2] ^ in[2] + w3 := tmp[3] ^ in[3] + w4 := tmp[4] ^ in[4] + w5 := tmp[5] ^ in[5] + w6 := tmp[6] ^ in[6] + w7 := tmp[7] ^ in[7] + w8 := tmp[8] ^ in[8] + w9 := tmp[9] ^ in[9] + w10 := tmp[10] ^ in[10] + w11 := tmp[11] ^ in[11] + w12 := tmp[12] ^ in[12] + w13 := tmp[13] ^ in[13] + w14 := tmp[14] ^ in[14] + w15 := tmp[15] ^ in[15] + + x0, x1, x2, x3, x4, x5, x6, x7, x8 := w0, w1, w2, w3, w4, w5, w6, w7, w8 + x9, x10, x11, x12, x13, x14, x15 := w9, w10, w11, w12, w13, w14, w15 + + for i := 0; i < 8; i += 2 { + x4 ^= bits.RotateLeft32(x0+x12, 7) + x8 ^= bits.RotateLeft32(x4+x0, 9) + x12 ^= bits.RotateLeft32(x8+x4, 13) + x0 ^= bits.RotateLeft32(x12+x8, 18) + + x9 ^= bits.RotateLeft32(x5+x1, 7) + x13 ^= bits.RotateLeft32(x9+x5, 9) + x1 ^= bits.RotateLeft32(x13+x9, 13) + x5 ^= bits.RotateLeft32(x1+x13, 18) + + x14 ^= bits.RotateLeft32(x10+x6, 7) + x2 ^= bits.RotateLeft32(x14+x10, 9) + x6 ^= bits.RotateLeft32(x2+x14, 13) + x10 ^= bits.RotateLeft32(x6+x2, 18) + + x3 ^= bits.RotateLeft32(x15+x11, 7) + x7 ^= bits.RotateLeft32(x3+x15, 9) + x11 ^= bits.RotateLeft32(x7+x3, 13) + x15 ^= bits.RotateLeft32(x11+x7, 18) + + x1 ^= bits.RotateLeft32(x0+x3, 7) + x2 ^= bits.RotateLeft32(x1+x0, 9) + x3 ^= bits.RotateLeft32(x2+x1, 13) + x0 ^= bits.RotateLeft32(x3+x2, 18) + + x6 ^= bits.RotateLeft32(x5+x4, 7) + x7 ^= bits.RotateLeft32(x6+x5, 9) + x4 ^= bits.RotateLeft32(x7+x6, 13) + x5 ^= bits.RotateLeft32(x4+x7, 18) + + x11 ^= bits.RotateLeft32(x10+x9, 7) + x8 ^= bits.RotateLeft32(x11+x10, 9) + x9 ^= bits.RotateLeft32(x8+x11, 13) + x10 ^= bits.RotateLeft32(x9+x8, 18) + + x12 ^= bits.RotateLeft32(x15+x14, 7) + x13 ^= bits.RotateLeft32(x12+x15, 9) + x14 ^= bits.RotateLeft32(x13+x12, 13) + x15 ^= bits.RotateLeft32(x14+x13, 18) + } + x0 += w0 + x1 += w1 + x2 += w2 + x3 += w3 + x4 += w4 + x5 += w5 + x6 += w6 + x7 += w7 + x8 += w8 + x9 += w9 + x10 += w10 + x11 += w11 + x12 += w12 + x13 += w13 + x14 += w14 + x15 += w15 + + out[0], tmp[0] = x0, x0 + out[1], tmp[1] = x1, x1 + out[2], tmp[2] = x2, x2 + out[3], tmp[3] = x3, x3 + out[4], tmp[4] = x4, x4 + out[5], tmp[5] = x5, x5 + out[6], tmp[6] = x6, x6 + out[7], tmp[7] = x7, x7 + out[8], tmp[8] = x8, x8 + out[9], tmp[9] = x9, x9 + out[10], tmp[10] = x10, x10 + out[11], tmp[11] = x11, x11 + out[12], tmp[12] = x12, x12 + out[13], tmp[13] = x13, x13 + out[14], tmp[14] = x14, x14 + out[15], tmp[15] = x15, x15 +} + +func blockMix(tmp *[16]uint32, in, out []uint32, r int) { + blockCopy(tmp[:], in[(2*r-1)*16:], 16) + for i := 0; i < 2*r; i += 2 { + salsaXOR(tmp, in[i*16:], out[i*8:]) + salsaXOR(tmp, in[i*16+16:], out[i*8+r*16:]) + } +} + +func integer(b []uint32, r int) uint64 { + j := (2*r - 1) * 16 + return uint64(b[j]) | uint64(b[j+1])<<32 +} + +func smix(b []byte, r, N int, v, xy []uint32) { + var tmp [16]uint32 + R := 32 * r + x := xy + y := xy[R:] + + j := 0 + for i := 0; i < R; i++ { + x[i] = binary.LittleEndian.Uint32(b[j:]) + j += 4 + } + for i := 0; i < N; i += 2 { + blockCopy(v[i*R:], x, R) + blockMix(&tmp, x, y, r) + + blockCopy(v[(i+1)*R:], y, R) + blockMix(&tmp, y, x, r) + } + for i := 0; i < N; i += 2 { + j := int(integer(x, r) & uint64(N-1)) + blockXOR(x, v[j*R:], R) + blockMix(&tmp, x, y, r) + + j = int(integer(y, r) & uint64(N-1)) + blockXOR(y, v[j*R:], R) + blockMix(&tmp, y, x, r) + } + j = 0 + for _, v := range x[:R] { + binary.LittleEndian.PutUint32(b[j:], v) + j += 4 + } +} + +// Key derives a key from the password, salt, and cost parameters, returning +// a byte slice of length keyLen that can be used as cryptographic key. +// +// N is a CPU/memory cost parameter, which must be a power of two greater than 1. +// r and p must satisfy r * p < 2³⁰. If the parameters do not satisfy the +// limits, the function returns a nil byte slice and an error. +// +// For example, you can get a derived key for e.g. AES-256 (which needs a +// 32-byte key) by doing: +// +// dk, err := scrypt.Key([]byte("some password"), salt, 32768, 8, 1, 32) +// +// The recommended parameters for interactive logins as of 2017 are N=32768, r=8 +// and p=1. The parameters N, r, and p should be increased as memory latency and +// CPU parallelism increases; consider setting N to the highest power of 2 you +// can derive within 100 milliseconds. Remember to get a good random salt. +func Key(password, salt []byte, N, r, p, keyLen int) ([]byte, error) { + if N <= 1 || N&(N-1) != 0 { + return nil, errors.New("scrypt: N must be > 1 and a power of 2") + } + if uint64(r)*uint64(p) >= 1<<30 || r > maxInt/128/p || r > maxInt/256 || N > maxInt/128/r { + return nil, errors.New("scrypt: parameters are too large") + } + + xy := make([]uint32, 64*r) + v := make([]uint32, 32*N*r) + b := pbkdf2.Key(password, salt, 1, p*128*r, sha256.New) + + for i := 0; i < p; i++ { + smix(b[i*128*r:], r, N, v, xy) + } + + return pbkdf2.Key(password, b, 1, keyLen, sha256.New), nil +} diff --git a/vendor/golang.org/x/crypto/ssh/client.go b/vendor/golang.org/x/crypto/ssh/client.go index 7b00bff1..99f68bd3 100644 --- a/vendor/golang.org/x/crypto/ssh/client.go +++ b/vendor/golang.org/x/crypto/ssh/client.go @@ -77,7 +77,7 @@ func NewClientConn(c net.Conn, addr string, config *ClientConfig) (Conn, <-chan } conn := &connection{ - sshConn: sshConn{conn: c}, + sshConn: sshConn{conn: c, user: fullConf.User}, } if err := conn.clientHandshake(addr, &fullConf); err != nil { diff --git a/vendor/golang.org/x/net/html/parse.go b/vendor/golang.org/x/net/html/parse.go index f91466f7..038941d7 100644 --- a/vendor/golang.org/x/net/html/parse.go +++ b/vendor/golang.org/x/net/html/parse.go @@ -663,6 +663,24 @@ func inHeadIM(p *parser) bool { // Ignore the token. return true case a.Template: + // TODO: remove this divergence from the HTML5 spec. + // + // We don't handle all of the corner cases when mixing foreign + // content (i.e. or ) with