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author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
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committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/pkg/crypto/cipher/cipher.go | |
parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
download | golang-upstream/1.4.tar.gz |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/pkg/crypto/cipher/cipher.go')
-rw-r--r-- | src/pkg/crypto/cipher/cipher.go | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/pkg/crypto/cipher/cipher.go b/src/pkg/crypto/cipher/cipher.go deleted file mode 100644 index 67afdb1e0..000000000 --- a/src/pkg/crypto/cipher/cipher.go +++ /dev/null @@ -1,53 +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 dup(p []byte) []byte { - q := make([]byte, len(p)) - copy(q, p) - return q -} |