2 * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
27 #include <ipxe/crypto.h>
32 * Electronic codebook (ECB)
40 * @v src Data to encrypt
41 * @v dst Buffer for encrypted data
42 * @v len Length of data
43 * @v raw_cipher Underlying cipher algorithm
45 void ecb_encrypt ( void *ctx, const void *src, void *dst, size_t len,
46 struct cipher_algorithm *raw_cipher ) {
47 size_t blocksize = raw_cipher->blocksize;
49 assert ( ( len % blocksize ) == 0 );
52 cipher_encrypt ( raw_cipher, ctx, src, dst, blocksize );
63 * @v src Data to decrypt
64 * @v dst Buffer for decrypted data
65 * @v len Length of data
66 * @v raw_cipher Underlying cipher algorithm
68 void ecb_decrypt ( void *ctx, const void *src, void *dst, size_t len,
69 struct cipher_algorithm *raw_cipher ) {
70 size_t blocksize = raw_cipher->blocksize;
72 assert ( ( len % blocksize ) == 0 );
75 cipher_decrypt ( raw_cipher, ctx, src, dst, blocksize );