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6f9079fd | 1 | /* ==================================================================== |
97879bcd | 2 | * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
6f9079fd RL |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 9 | * notice, this list of conditions and the following disclaimer. |
6f9079fd RL |
10 | * |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * 3. All advertising materials mentioning features or use of this | |
17 | * software must display the following acknowledgment: | |
18 | * "This product includes software developed by the OpenSSL Project | |
19 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
20 | * | |
21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
22 | * endorse or promote products derived from this software without | |
23 | * prior written permission. For written permission, please contact | |
24 | * openssl-core@openssl.org. | |
25 | * | |
26 | * 5. Products derived from this software may not be called "OpenSSL" | |
27 | * nor may "OpenSSL" appear in their names without prior written | |
28 | * permission of the OpenSSL Project. | |
29 | * | |
30 | * 6. Redistributions of any form whatsoever must retain the following | |
31 | * acknowledgment: | |
32 | * "This product includes software developed by the OpenSSL Project | |
33 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
34 | * | |
35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * ==================================================================== | |
48 | * | |
49 | */ | |
50 | ||
51 | #ifndef HEADER_AES_H | |
0f113f3e | 52 | # define HEADER_AES_H |
6f9079fd | 53 | |
0f113f3e | 54 | # include <openssl/opensslconf.h> |
940767b0 | 55 | |
0f113f3e MC |
56 | # ifdef OPENSSL_NO_AES |
57 | # error AES is disabled. | |
58 | # endif | |
6f9079fd | 59 | |
0f113f3e | 60 | # include <stddef.h> |
f768be81 | 61 | |
0f113f3e MC |
62 | # define AES_ENCRYPT 1 |
63 | # define AES_DECRYPT 0 | |
aa18245f | 64 | |
0f113f3e MC |
65 | /* |
66 | * Because array size can't be a const in C, the following two are macros. | |
67 | * Both sizes are in bytes. | |
68 | */ | |
69 | # define AES_MAXNR 14 | |
70 | # define AES_BLOCK_SIZE 16 | |
6f9079fd RL |
71 | |
72 | #ifdef __cplusplus | |
73 | extern "C" { | |
74 | #endif | |
75 | ||
76 | /* This should be a hidden type, but EVP requires that the size be known */ | |
77 | struct aes_key_st { | |
0f113f3e MC |
78 | # ifdef AES_LONG |
79 | unsigned long rd_key[4 * (AES_MAXNR + 1)]; | |
80 | # else | |
81 | unsigned int rd_key[4 * (AES_MAXNR + 1)]; | |
82 | # endif | |
6f9079fd RL |
83 | int rounds; |
84 | }; | |
85 | typedef struct aes_key_st AES_KEY; | |
86 | ||
87 | const char *AES_options(void); | |
88 | ||
97879bcd | 89 | int AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 90 | AES_KEY *key); |
97879bcd | 91 | int AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 92 | AES_KEY *key); |
6f9079fd | 93 | |
97879bcd | 94 | void AES_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 95 | const AES_KEY *key); |
97879bcd | 96 | void AES_decrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 97 | const AES_KEY *key); |
6f9079fd RL |
98 | |
99 | void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e | 100 | const AES_KEY *key, const int enc); |
6f9079fd | 101 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
102 | size_t length, const AES_KEY *key, |
103 | unsigned char *ivec, const int enc); | |
97879bcd | 104 | void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
105 | size_t length, const AES_KEY *key, |
106 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 107 | void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
108 | size_t length, const AES_KEY *key, |
109 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 110 | void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
111 | size_t length, const AES_KEY *key, |
112 | unsigned char *ivec, int *num, const int enc); | |
97879bcd | 113 | void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
114 | size_t length, const AES_KEY *key, |
115 | unsigned char *ivec, int *num); | |
aa6d1a0c BL |
116 | /* NB: the IV is _two_ blocks long */ |
117 | void AES_ige_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
118 | size_t length, const AES_KEY *key, |
119 | unsigned char *ivec, const int enc); | |
aa6d1a0c BL |
120 | /* NB: the IV is _four_ blocks long */ |
121 | void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
122 | size_t length, const AES_KEY *key, |
123 | const AES_KEY *key2, const unsigned char *ivec, | |
124 | const int enc); | |
97879bcd | 125 | |
6e3bc4f0 | 126 | int AES_wrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
127 | unsigned char *out, |
128 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 129 | int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
130 | unsigned char *out, |
131 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 132 | |
6f9079fd RL |
133 | |
134 | #ifdef __cplusplus | |
135 | } | |
136 | #endif | |
137 | ||
0f113f3e | 138 | #endif /* !HEADER_AES_H */ |