diff options
Diffstat (limited to 'src/pkg/crypto/openpgp/packet/packet.go')
| -rw-r--r-- | src/pkg/crypto/openpgp/packet/packet.go | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/src/pkg/crypto/openpgp/packet/packet.go b/src/pkg/crypto/openpgp/packet/packet.go index 269603ba4..57ff3afbf 100644 --- a/src/pkg/crypto/openpgp/packet/packet.go +++ b/src/pkg/crypto/openpgp/packet/packet.go @@ -7,6 +7,7 @@ package packet import ( + "big" "crypto/aes" "crypto/cast5" "crypto/cipher" @@ -166,10 +167,10 @@ func readHeader(r io.Reader) (tag packetType, length int64, contents io.Reader, return } -// serialiseHeader writes an OpenPGP packet header to w. See RFC 4880, section +// serializeHeader writes an OpenPGP packet header to w. See RFC 4880, section // 4.2. -func serialiseHeader(w io.Writer, ptype packetType, length int) (err os.Error) { - var buf [5]byte +func serializeHeader(w io.Writer, ptype packetType, length int) (err os.Error) { + var buf [6]byte var n int buf[0] = 0x80 | 0x40 | byte(ptype) @@ -178,16 +179,16 @@ func serialiseHeader(w io.Writer, ptype packetType, length int) (err os.Error) { n = 2 } else if length < 8384 { length -= 192 - buf[1] = byte(length >> 8) + buf[1] = 192 + byte(length>>8) buf[2] = byte(length) n = 3 } else { - buf[0] = 255 - buf[1] = byte(length >> 24) - buf[2] = byte(length >> 16) - buf[3] = byte(length >> 8) - buf[4] = byte(length) - n = 5 + buf[1] = 255 + buf[2] = byte(length >> 24) + buf[3] = byte(length >> 16) + buf[4] = byte(length >> 8) + buf[5] = byte(length) + n = 6 } _, err = w.Write(buf[:n]) @@ -371,7 +372,7 @@ func (cipher CipherFunction) new(key []byte) (block cipher.Block) { // readMPI reads a big integer from r. The bit length returned is the bit // length that was specified in r. This is preserved so that the integer can be -// reserialised exactly. +// reserialized exactly. func readMPI(r io.Reader) (mpi []byte, bitLength uint16, err os.Error) { var buf [2]byte _, err = readFull(r, buf[0:]) @@ -385,7 +386,7 @@ func readMPI(r io.Reader) (mpi []byte, bitLength uint16, err os.Error) { return } -// writeMPI serialises a big integer to r. +// writeMPI serializes a big integer to w. func writeMPI(w io.Writer, bitLength uint16, mpiBytes []byte) (err os.Error) { _, err = w.Write([]byte{byte(bitLength >> 8), byte(bitLength)}) if err == nil { @@ -393,3 +394,8 @@ func writeMPI(w io.Writer, bitLength uint16, mpiBytes []byte) (err os.Error) { } return } + +// writeBig serializes a *big.Int to w. +func writeBig(w io.Writer, i *big.Int) os.Error { + return writeMPI(w, uint16(i.BitLen()), i.Bytes()) +} |