Imported Upstream version 60

1 files changed, 0 insertions, 103 deletions

diff --git a/src/pkg/crypto/des/cipher.go b/src/pkg/crypto/des/cipher.go
deleted file mode 100644
index d17a1a783..000000000
--- a/src/pkg/crypto/des/cipher.go
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2011 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 des
-
-import (
-	"os"
-	"strconv"
-)
-
-// The DES block size in bytes.
-const BlockSize = 8
-
-type KeySizeError int
-
-func (k KeySizeError) String() string {
-	return "crypto/des: invalid key size " + strconv.Itoa(int(k))
-}
-
-// Cipher is an instance of DES encryption.
-type Cipher struct {
-	subkeys [16]uint64
-}
-
-// NewCipher creates and returns a new Cipher.
-func NewCipher(key []byte) (*Cipher, os.Error) {
-	if len(key) != 8 {
-		return nil, KeySizeError(len(key))
-	}
-
-	c := new(Cipher)
-	c.generateSubkeys(key)
-	return c, nil
-}
-
-// BlockSize returns the DES block size, 8 bytes.
-func (c *Cipher) BlockSize() int { return BlockSize }
-
-// Encrypts the 8-byte buffer src and stores the result in dst.
-// Note that for amounts of data larger than a block,
-// it is not safe to just call Encrypt on successive blocks;
-// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
-func (c *Cipher) Encrypt(dst, src []byte) { encryptBlock(c.subkeys[:], dst, src) }
-
-// Decrypts the 8-byte buffer src and stores the result in dst.
-func (c *Cipher) Decrypt(dst, src []byte) { decryptBlock(c.subkeys[:], dst, src) }
-
-// Reset zeros the key data, so that it will no longer
-// appear in the process's memory.
-func (c *Cipher) Reset() {
-	for i := 0; i < len(c.subkeys); i++ {
-		c.subkeys[i] = 0
-	}
-}
-
-// A TripleDESCipher is an instance of TripleDES encryption.
-type TripleDESCipher struct {
-	cipher1, cipher2, cipher3 Cipher
-}
-
-// NewCipher creates and returns a new Cipher.
-func NewTripleDESCipher(key []byte) (*TripleDESCipher, os.Error) {
-	if len(key) != 24 {
-		return nil, KeySizeError(len(key))
-	}
-
-	c := new(TripleDESCipher)
-	c.cipher1.generateSubkeys(key[:8])
-	c.cipher2.generateSubkeys(key[8:16])
-	c.cipher3.generateSubkeys(key[16:])
-	return c, nil
-}
-
-// BlockSize returns the TripleDES block size, 8 bytes.
-// It is necessary to satisfy the Block interface in the
-// package "crypto/cipher".
-func (c *TripleDESCipher) BlockSize() int { return BlockSize }
-
-// Encrypts the 8-byte buffer src and stores the result in dst.
-// Note that for amounts of data larger than a block,
-// it is not safe to just call Encrypt on successive blocks;
-// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
-func (c *TripleDESCipher) Encrypt(dst, src []byte) {
-	c.cipher1.Encrypt(dst, src)
-	c.cipher2.Decrypt(dst, dst)
-	c.cipher3.Encrypt(dst, dst)
-}
-
-// Decrypts the 8-byte buffer src and stores the result in dst.
-func (c *TripleDESCipher) Decrypt(dst, src []byte) {
-	c.cipher3.Decrypt(dst, src)
-	c.cipher2.Encrypt(dst, dst)
-	c.cipher1.Decrypt(dst, dst)
-}
-
-// Reset zeros the key data, so that it will no longer
-// appear in the process's memory.
-func (c *TripleDESCipher) Reset() {
-	c.cipher1.Reset()
-	c.cipher2.Reset()
-	c.cipher3.Reset()
-}