1 files changed, 0 insertions, 63 deletions
diff --git a/src/pkg/crypto/cipher/cipher.go b/src/pkg/crypto/cipher/cipher.go
deleted file mode 100644
index 1ffaa8c2c..000000000
--- a/src/pkg/crypto/cipher/cipher.go
+++ /dev/null
@@ -1,63 +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 cipher implements standard block cipher modes that can be wrapped
-// around low-level block cipher implementations.
-// See http://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html
-// and NIST Special Publication 800-38A.
-package cipher
-
-// A Block represents an implementation of block cipher
-// using a given key.  It provides the capability to encrypt
-// or decrypt individual blocks.  The mode implementations
-// extend that capability to streams of blocks.
-type Block interface {
-	// BlockSize returns the cipher's block size.
-	BlockSize() int
-
-	// Encrypt encrypts the first block in src into dst.
-	// Dst and src may point at the same memory.
-	Encrypt(dst, src []byte)
-
-	// Decrypt decrypts the first block in src into dst.
-	// Dst and src may point at the same memory.
-	Decrypt(dst, src []byte)
-}
-
-// A Stream represents a stream cipher.
-type Stream interface {
-	// XORKeyStream XORs each byte in the given slice with a byte from the
-	// cipher's key stream. Dst and src may point to the same memory.
-	XORKeyStream(dst, src []byte)
-}
-
-// A BlockMode represents a block cipher running in a block-based mode (CBC,
-// ECB etc).
-type BlockMode interface {
-	// BlockSize returns the mode's block size.
-	BlockSize() int
-
-	// CryptBlocks encrypts or decrypts a number of blocks. The length of
-	// src must be a multiple of the block size. Dst and src may point to
-	// the same memory.
-	CryptBlocks(dst, src []byte)
-}
-
-// Utility routines
-
-func shift1(dst, src []byte) byte {
-	var b byte
-	for i := len(src) - 1; i >= 0; i-- {
-		bb := src[i] >> 7
-		dst[i] = src[i]<<1 | b
-		b = bb
-	}
-	return b
-}
-
-func dup(p []byte) []byte {
-	q := make([]byte, len(p))
-	copy(q, p)
-	return q
-}