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805e021f CE |
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 | ||
57 | typedef struct aes_key { | |
58 | uint32_t key[(AES_MAXNR+1)*4]; | |
59 | int rounds; | |
60 | } AES_KEY; | |
61 | ||
62 | #ifdef __cplusplus | |
63 | extern "C" { | |
64 | #endif | |
65 | ||
66 | int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *); | |
67 | int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *); | |
68 | ||
69 | void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *); | |
70 | void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *); | |
71 | ||
72 | void AES_cbc_encrypt(const unsigned char *, unsigned char *, | |
73 | unsigned long, const AES_KEY *, | |
74 | unsigned char *, int); | |
75 | void AES_cfb8_encrypt(const unsigned char *, unsigned char *, | |
76 | unsigned long, const AES_KEY *, | |
77 | unsigned char *, int); | |
78 | ||
79 | #ifdef __cplusplus | |
80 | } | |
81 | #endif | |
82 | ||
83 | #endif /* HEIM_AES_H */ |