3 * Encryption function for the aes/rijndael block cipher.
6 /* nettle, low-level cryptographics library
8 * Copyright (C) 2002 Niels Möller
10 * The nettle library is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or (at your
13 * option) any later version.
15 * The nettle library is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
18 * License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with the nettle library; see the file COPYING.LIB. If not, write to
22 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
32 #include "aes-internal.h"
34 /* The main point on this function is to help the assembler
35 implementations of _nettle_aes_encrypt to get the table pointer.
36 For PIC code, the details can be complex and system dependent. */
38 aes_encrypt(const struct aes_ctx *ctx,
39 unsigned length, uint8_t *dst,
42 assert(!(length % AES_BLOCK_SIZE) );
43 _aes_encrypt(ctx, &_aes_encrypt_table,