From 51062863a5c34d81e296cf15c61140911037cf3b Mon Sep 17 00:00:00 2001 From: Wim Date: Mon, 6 Aug 2018 21:47:05 +0200 Subject: Use mod vendor for vendored directory (backwards compatible) --- vendor/golang.org/x/crypto/openpgp/armor/armor.go | 219 --------------------- vendor/golang.org/x/crypto/openpgp/armor/encode.go | 160 --------------- 2 files changed, 379 deletions(-) delete mode 100644 vendor/golang.org/x/crypto/openpgp/armor/armor.go delete mode 100644 vendor/golang.org/x/crypto/openpgp/armor/encode.go (limited to 'vendor/golang.org/x/crypto/openpgp/armor') diff --git a/vendor/golang.org/x/crypto/openpgp/armor/armor.go b/vendor/golang.org/x/crypto/openpgp/armor/armor.go deleted file mode 100644 index 592d1864..00000000 --- a/vendor/golang.org/x/crypto/openpgp/armor/armor.go +++ /dev/null @@ -1,219 +0,0 @@ -// Copyright 2010 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 armor implements OpenPGP ASCII Armor, see RFC 4880. OpenPGP Armor is -// very similar to PEM except that it has an additional CRC checksum. -package armor // import "golang.org/x/crypto/openpgp/armor" - -import ( - "bufio" - "bytes" - "encoding/base64" - "golang.org/x/crypto/openpgp/errors" - "io" -) - -// A Block represents an OpenPGP armored structure. -// -// The encoded form is: -// -----BEGIN Type----- -// Headers -// -// base64-encoded Bytes -// '=' base64 encoded checksum -// -----END Type----- -// where Headers is a possibly empty sequence of Key: Value lines. -// -// Since the armored data can be very large, this package presents a streaming -// interface. -type Block struct { - Type string // The type, taken from the preamble (i.e. "PGP SIGNATURE"). - Header map[string]string // Optional headers. - Body io.Reader // A Reader from which the contents can be read - lReader lineReader - oReader openpgpReader -} - -var ArmorCorrupt error = errors.StructuralError("armor invalid") - -const crc24Init = 0xb704ce -const crc24Poly = 0x1864cfb -const crc24Mask = 0xffffff - -// crc24 calculates the OpenPGP checksum as specified in RFC 4880, section 6.1 -func crc24(crc uint32, d []byte) uint32 { - for _, b := range d { - crc ^= uint32(b) << 16 - for i := 0; i < 8; i++ { - crc <<= 1 - if crc&0x1000000 != 0 { - crc ^= crc24Poly - } - } - } - return crc -} - -var armorStart = []byte("-----BEGIN ") -var armorEnd = []byte("-----END ") -var armorEndOfLine = []byte("-----") - -// lineReader wraps a line based reader. It watches for the end of an armor -// block and records the expected CRC value. -type lineReader struct { - in *bufio.Reader - buf []byte - eof bool - crc uint32 -} - -func (l *lineReader) Read(p []byte) (n int, err error) { - if l.eof { - return 0, io.EOF - } - - if len(l.buf) > 0 { - n = copy(p, l.buf) - l.buf = l.buf[n:] - return - } - - line, isPrefix, err := l.in.ReadLine() - if err != nil { - return - } - if isPrefix { - return 0, ArmorCorrupt - } - - if len(line) == 5 && line[0] == '=' { - // This is the checksum line - var expectedBytes [3]byte - var m int - m, err = base64.StdEncoding.Decode(expectedBytes[0:], line[1:]) - if m != 3 || err != nil { - return - } - l.crc = uint32(expectedBytes[0])<<16 | - uint32(expectedBytes[1])<<8 | - uint32(expectedBytes[2]) - - line, _, err = l.in.ReadLine() - if err != nil && err != io.EOF { - return - } - if !bytes.HasPrefix(line, armorEnd) { - return 0, ArmorCorrupt - } - - l.eof = true - return 0, io.EOF - } - - if len(line) > 96 { - return 0, ArmorCorrupt - } - - n = copy(p, line) - bytesToSave := len(line) - n - if bytesToSave > 0 { - if cap(l.buf) < bytesToSave { - l.buf = make([]byte, 0, bytesToSave) - } - l.buf = l.buf[0:bytesToSave] - copy(l.buf, line[n:]) - } - - return -} - -// openpgpReader passes Read calls to the underlying base64 decoder, but keeps -// a running CRC of the resulting data and checks the CRC against the value -// found by the lineReader at EOF. -type openpgpReader struct { - lReader *lineReader - b64Reader io.Reader - currentCRC uint32 -} - -func (r *openpgpReader) Read(p []byte) (n int, err error) { - n, err = r.b64Reader.Read(p) - r.currentCRC = crc24(r.currentCRC, p[:n]) - - if err == io.EOF { - if r.lReader.crc != uint32(r.currentCRC&crc24Mask) { - return 0, ArmorCorrupt - } - } - - return -} - -// Decode reads a PGP armored block from the given Reader. It will ignore -// leading garbage. If it doesn't find a block, it will return nil, io.EOF. The -// given Reader is not usable after calling this function: an arbitrary amount -// of data may have been read past the end of the block. -func Decode(in io.Reader) (p *Block, err error) { - r := bufio.NewReaderSize(in, 100) - var line []byte - ignoreNext := false - -TryNextBlock: - p = nil - - // Skip leading garbage - for { - ignoreThis := ignoreNext - line, ignoreNext, err = r.ReadLine() - if err != nil { - return - } - if ignoreNext || ignoreThis { - continue - } - line = bytes.TrimSpace(line) - if len(line) > len(armorStart)+len(armorEndOfLine) && bytes.HasPrefix(line, armorStart) { - break - } - } - - p = new(Block) - p.Type = string(line[len(armorStart) : len(line)-len(armorEndOfLine)]) - p.Header = make(map[string]string) - nextIsContinuation := false - var lastKey string - - // Read headers - for { - isContinuation := nextIsContinuation - line, nextIsContinuation, err = r.ReadLine() - if err != nil { - p = nil - return - } - if isContinuation { - p.Header[lastKey] += string(line) - continue - } - line = bytes.TrimSpace(line) - if len(line) == 0 { - break - } - - i := bytes.Index(line, []byte(": ")) - if i == -1 { - goto TryNextBlock - } - lastKey = string(line[:i]) - p.Header[lastKey] = string(line[i+2:]) - } - - p.lReader.in = r - p.oReader.currentCRC = crc24Init - p.oReader.lReader = &p.lReader - p.oReader.b64Reader = base64.NewDecoder(base64.StdEncoding, &p.lReader) - p.Body = &p.oReader - - return -} diff --git a/vendor/golang.org/x/crypto/openpgp/armor/encode.go b/vendor/golang.org/x/crypto/openpgp/armor/encode.go deleted file mode 100644 index 6f07582c..00000000 --- a/vendor/golang.org/x/crypto/openpgp/armor/encode.go +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright 2010 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 armor - -import ( - "encoding/base64" - "io" -) - -var armorHeaderSep = []byte(": ") -var blockEnd = []byte("\n=") -var newline = []byte("\n") -var armorEndOfLineOut = []byte("-----\n") - -// writeSlices writes its arguments to the given Writer. -func writeSlices(out io.Writer, slices ...[]byte) (err error) { - for _, s := range slices { - _, err = out.Write(s) - if err != nil { - return err - } - } - return -} - -// lineBreaker breaks data across several lines, all of the same byte length -// (except possibly the last). Lines are broken with a single '\n'. -type lineBreaker struct { - lineLength int - line []byte - used int - out io.Writer - haveWritten bool -} - -func newLineBreaker(out io.Writer, lineLength int) *lineBreaker { - return &lineBreaker{ - lineLength: lineLength, - line: make([]byte, lineLength), - used: 0, - out: out, - } -} - -func (l *lineBreaker) Write(b []byte) (n int, err error) { - n = len(b) - - if n == 0 { - return - } - - if l.used == 0 && l.haveWritten { - _, err = l.out.Write([]byte{'\n'}) - if err != nil { - return - } - } - - if l.used+len(b) < l.lineLength { - l.used += copy(l.line[l.used:], b) - return - } - - l.haveWritten = true - _, err = l.out.Write(l.line[0:l.used]) - if err != nil { - return - } - excess := l.lineLength - l.used - l.used = 0 - - _, err = l.out.Write(b[0:excess]) - if err != nil { - return - } - - _, err = l.Write(b[excess:]) - return -} - -func (l *lineBreaker) Close() (err error) { - if l.used > 0 { - _, err = l.out.Write(l.line[0:l.used]) - if err != nil { - return - } - } - - return -} - -// encoding keeps track of a running CRC24 over the data which has been written -// to it and outputs a OpenPGP checksum when closed, followed by an armor -// trailer. -// -// It's built into a stack of io.Writers: -// encoding -> base64 encoder -> lineBreaker -> out -type encoding struct { - out io.Writer - breaker *lineBreaker - b64 io.WriteCloser - crc uint32 - blockType []byte -} - -func (e *encoding) Write(data []byte) (n int, err error) { - e.crc = crc24(e.crc, data) - return e.b64.Write(data) -} - -func (e *encoding) Close() (err error) { - err = e.b64.Close() - if err != nil { - return - } - e.breaker.Close() - - var checksumBytes [3]byte - checksumBytes[0] = byte(e.crc >> 16) - checksumBytes[1] = byte(e.crc >> 8) - checksumBytes[2] = byte(e.crc) - - var b64ChecksumBytes [4]byte - base64.StdEncoding.Encode(b64ChecksumBytes[:], checksumBytes[:]) - - return writeSlices(e.out, blockEnd, b64ChecksumBytes[:], newline, armorEnd, e.blockType, armorEndOfLine) -} - -// Encode returns a WriteCloser which will encode the data written to it in -// OpenPGP armor. -func Encode(out io.Writer, blockType string, headers map[string]string) (w io.WriteCloser, err error) { - bType := []byte(blockType) - err = writeSlices(out, armorStart, bType, armorEndOfLineOut) - if err != nil { - return - } - - for k, v := range headers { - err = writeSlices(out, []byte(k), armorHeaderSep, []byte(v), newline) - if err != nil { - return - } - } - - _, err = out.Write(newline) - if err != nil { - return - } - - e := &encoding{ - out: out, - breaker: newLineBreaker(out, 64), - crc: crc24Init, - blockType: bType, - } - e.b64 = base64.NewEncoder(base64.StdEncoding, e.breaker) - return e, nil -} -- cgit v1.2.3