1 files changed, 0 insertions, 146 deletions
diff --git a/vendor/golang.org/x/crypto/openpgp/packet/signature_v3.go b/vendor/golang.org/x/crypto/openpgp/packet/signature_v3.go
deleted file mode 100644
index 6edff889..00000000
--- a/vendor/golang.org/x/crypto/openpgp/packet/signature_v3.go
+++ /dev/null
@@ -1,146 +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 packet
-
-import (
-	"crypto"
-	"encoding/binary"
-	"fmt"
-	"io"
-	"strconv"
-	"time"
-
-	"golang.org/x/crypto/openpgp/errors"
-	"golang.org/x/crypto/openpgp/s2k"
-)
-
-// SignatureV3 represents older version 3 signatures. These signatures are less secure
-// than version 4 and should not be used to create new signatures. They are included
-// here for backwards compatibility to read and validate with older key material.
-// See RFC 4880, section 5.2.2.
-type SignatureV3 struct {
-	SigType      SignatureType
-	CreationTime time.Time
-	IssuerKeyId  uint64
-	PubKeyAlgo   PublicKeyAlgorithm
-	Hash         crypto.Hash
-	HashTag      [2]byte
-
-	RSASignature     parsedMPI
-	DSASigR, DSASigS parsedMPI
-}
-
-func (sig *SignatureV3) parse(r io.Reader) (err error) {
-	// RFC 4880, section 5.2.2
-	var buf [8]byte
-	if _, err = readFull(r, buf[:1]); err != nil {
-		return
-	}
-	if buf[0] < 2 || buf[0] > 3 {
-		err = errors.UnsupportedError("signature packet version " + strconv.Itoa(int(buf[0])))
-		return
-	}
-	if _, err = readFull(r, buf[:1]); err != nil {
-		return
-	}
-	if buf[0] != 5 {
-		err = errors.UnsupportedError(
-			"invalid hashed material length " + strconv.Itoa(int(buf[0])))
-		return
-	}
-
-	// Read hashed material: signature type + creation time
-	if _, err = readFull(r, buf[:5]); err != nil {
-		return
-	}
-	sig.SigType = SignatureType(buf[0])
-	t := binary.BigEndian.Uint32(buf[1:5])
-	sig.CreationTime = time.Unix(int64(t), 0)
-
-	// Eight-octet Key ID of signer.
-	if _, err = readFull(r, buf[:8]); err != nil {
-		return
-	}
-	sig.IssuerKeyId = binary.BigEndian.Uint64(buf[:])
-
-	// Public-key and hash algorithm
-	if _, err = readFull(r, buf[:2]); err != nil {
-		return
-	}
-	sig.PubKeyAlgo = PublicKeyAlgorithm(buf[0])
-	switch sig.PubKeyAlgo {
-	case PubKeyAlgoRSA, PubKeyAlgoRSASignOnly, PubKeyAlgoDSA:
-	default:
-		err = errors.UnsupportedError("public key algorithm " + strconv.Itoa(int(sig.PubKeyAlgo)))
-		return
-	}
-	var ok bool
-	if sig.Hash, ok = s2k.HashIdToHash(buf[1]); !ok {
-		return errors.UnsupportedError("hash function " + strconv.Itoa(int(buf[2])))
-	}
-
-	// Two-octet field holding left 16 bits of signed hash value.
-	if _, err = readFull(r, sig.HashTag[:2]); err != nil {
-		return
-	}
-
-	switch sig.PubKeyAlgo {
-	case PubKeyAlgoRSA, PubKeyAlgoRSASignOnly:
-		sig.RSASignature.bytes, sig.RSASignature.bitLength, err = readMPI(r)
-	case PubKeyAlgoDSA:
-		if sig.DSASigR.bytes, sig.DSASigR.bitLength, err = readMPI(r); err != nil {
-			return
-		}
-		sig.DSASigS.bytes, sig.DSASigS.bitLength, err = readMPI(r)
-	default:
-		panic("unreachable")
-	}
-	return
-}
-
-// Serialize marshals sig to w. Sign, SignUserId or SignKey must have been
-// called first.
-func (sig *SignatureV3) Serialize(w io.Writer) (err error) {
-	buf := make([]byte, 8)
-
-	// Write the sig type and creation time
-	buf[0] = byte(sig.SigType)
-	binary.BigEndian.PutUint32(buf[1:5], uint32(sig.CreationTime.Unix()))
-	if _, err = w.Write(buf[:5]); err != nil {
-		return
-	}
-
-	// Write the issuer long key ID
-	binary.BigEndian.PutUint64(buf[:8], sig.IssuerKeyId)
-	if _, err = w.Write(buf[:8]); err != nil {
-		return
-	}
-
-	// Write public key algorithm, hash ID, and hash value
-	buf[0] = byte(sig.PubKeyAlgo)
-	hashId, ok := s2k.HashToHashId(sig.Hash)
-	if !ok {
-		return errors.UnsupportedError(fmt.Sprintf("hash function %v", sig.Hash))
-	}
-	buf[1] = hashId
-	copy(buf[2:4], sig.HashTag[:])
-	if _, err = w.Write(buf[:4]); err != nil {
-		return
-	}
-
-	if sig.RSASignature.bytes == nil && sig.DSASigR.bytes == nil {
-		return errors.InvalidArgumentError("Signature: need to call Sign, SignUserId or SignKey before Serialize")
-	}
-
-	switch sig.PubKeyAlgo {
-	case PubKeyAlgoRSA, PubKeyAlgoRSASignOnly:
-		err = writeMPIs(w, sig.RSASignature)
-	case PubKeyAlgoDSA:
-		err = writeMPIs(w, sig.DSASigR, sig.DSASigS)
-	default:
-		panic("impossible")
-	}
-	return
-}