1 /* $NetBSD: aes.h,v 1.2 2017/01/28 21:31:47 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2003-2004 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* Id */ 37 38 #ifndef HEIM_AES_H 39 #define HEIM_AES_H 1 40 41 /* symbol renaming */ 42 #define AES_set_encrypt_key hc_AES_set_encrypt_key 43 #define AES_set_decrypt_key hc_AES_decrypt_key 44 #define AES_encrypt hc_AES_encrypt 45 #define AES_decrypt hc_AES_decrypt 46 #define AES_cbc_encrypt hc_AES_cbc_encrypt 47 #define AES_cfb8_encrypt hc_AES_cfb8_encrypt 48 49 /* 50 * 51 */ 52 53 #define AES_BLOCK_SIZE 16 54 #define AES_MAXNR 14 55 56 #define AES_ENCRYPT 1 57 #define AES_DECRYPT 0 58 59 typedef struct aes_key { 60 uint32_t key[(AES_MAXNR+1)*4]; 61 int rounds; 62 } AES_KEY; 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *); 69 int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *); 70 71 void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *); 72 void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *); 73 74 void AES_cbc_encrypt(const unsigned char *, unsigned char *, 75 unsigned long, const AES_KEY *, 76 unsigned char *, int); 77 void AES_cfb8_encrypt(const unsigned char *, unsigned char *, 78 unsigned long, const AES_KEY *, 79 unsigned char *, int); 80 81 #ifdef __cplusplus 82 } 83 #endif 84 85 #endif /* HEIM_AES_H */ 86