1 files changed, 0 insertions, 73 deletions
diff --git a/src/pkg/crypto/des/cipher.go b/src/pkg/crypto/des/cipher.go
deleted file mode 100644
index 2f929ca7b..000000000
--- a/src/pkg/crypto/des/cipher.go
+++ /dev/null
@@ -1,73 +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 (
-	"crypto/cipher"
-	"strconv"
-)
-
-// The DES block size in bytes.
-const BlockSize = 8
-
-type KeySizeError int
-
-func (k KeySizeError) Error() string {
-	return "crypto/des: invalid key size " + strconv.Itoa(int(k))
-}
-
-// desCipher is an instance of DES encryption.
-type desCipher struct {
-	subkeys [16]uint64
-}
-
-// NewCipher creates and returns a new cipher.Block.
-func NewCipher(key []byte) (cipher.Block, error) {
-	if len(key) != 8 {
-		return nil, KeySizeError(len(key))
-	}
-
-	c := new(desCipher)
-	c.generateSubkeys(key)
-	return c, nil
-}
-
-func (c *desCipher) BlockSize() int { return BlockSize }
-
-func (c *desCipher) Encrypt(dst, src []byte) { encryptBlock(c.subkeys[:], dst, src) }
-
-func (c *desCipher) Decrypt(dst, src []byte) { decryptBlock(c.subkeys[:], dst, src) }
-
-// A tripleDESCipher is an instance of TripleDES encryption.
-type tripleDESCipher struct {
-	cipher1, cipher2, cipher3 desCipher
-}
-
-// NewTripleDESCipher creates and returns a new cipher.Block.
-func NewTripleDESCipher(key []byte) (cipher.Block, 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
-}
-
-func (c *tripleDESCipher) BlockSize() int { return BlockSize }
-
-func (c *tripleDESCipher) Encrypt(dst, src []byte) {
-	c.cipher1.Encrypt(dst, src)
-	c.cipher2.Decrypt(dst, dst)
-	c.cipher3.Encrypt(dst, dst)
-}
-
-func (c *tripleDESCipher) Decrypt(dst, src []byte) {
-	c.cipher3.Decrypt(dst, src)
-	c.cipher2.Encrypt(dst, dst)
-	c.cipher1.Decrypt(dst, dst)
-}