1/* 2 * Copyright (c) 2003-2004 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34/* $Id$ */ 35 36#ifndef HEIM_AES_H 37#define HEIM_AES_H 1 38 39/* symbol renaming */ 40#define AES_set_encrypt_key hc_AES_set_encrypt_key 41#define AES_set_decrypt_key hc_AES_decrypt_key 42#define AES_encrypt hc_AES_encrypt 43#define AES_decrypt hc_AES_decrypt 44#define AES_cbc_encrypt hc_AES_cbc_encrypt 45#define AES_cfb8_encrypt hc_AES_cfb8_encrypt 46 47/* 48 * 49 */ 50 51#define AES_BLOCK_SIZE 16 52#define AES_MAXNR 14 53 54#define AES_ENCRYPT 1 55#define AES_DECRYPT 0 56 57typedef struct aes_key { 58 uint32_t key[(AES_MAXNR+1)*4]; 59 int rounds; 60} AES_KEY; 61 62#ifdef __cplusplus 63extern "C" { 64#endif 65 66int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *); 67int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *); 68 69void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *); 70void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *); 71 72void AES_cbc_encrypt(const unsigned char *, unsigned char *, 73 unsigned long, const AES_KEY *, 74 unsigned char *, int); 75void AES_cfb8_encrypt(const unsigned char *, unsigned char *, 76 unsigned long, const AES_KEY *, 77 unsigned char *, int); 78 79 80void AES_cfb8_encrypt(const unsigned char *, unsigned char *, 81 const unsigned long, const AES_KEY *, 82 unsigned char *, int); 83 84#ifdef __cplusplus 85} 86#endif 87 88#endif /* HEIM_AES_H */ 89