| 1 |
/* crypto/aes/aes.h */ |
| 2 |
/* ==================================================================== |
| 3 |
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
| 4 |
* |
| 5 |
* Redistribution and use in source and binary forms, with or without |
| 6 |
* modification, are permitted provided that the following conditions |
| 7 |
* are met: |
| 8 |
* |
| 9 |
* 1. Redistributions of source code must retain the above copyright |
| 10 |
* notice, this list of conditions and the following disclaimer. |
| 11 |
* |
| 12 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 13 |
* notice, this list of conditions and the following disclaimer in |
| 14 |
* the documentation and/or other materials provided with the |
| 15 |
* distribution. |
| 16 |
* |
| 17 |
* 3. All advertising materials mentioning features or use of this |
| 18 |
* software must display the following acknowledgment: |
| 19 |
* "This product includes software developed by the OpenSSL Project |
| 20 |
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 21 |
* |
| 22 |
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 23 |
* endorse or promote products derived from this software without |
| 24 |
* prior written permission. For written permission, please contact |
| 25 |
* openssl-core@openssl.org. |
| 26 |
* |
| 27 |
* 5. Products derived from this software may not be called "OpenSSL" |
| 28 |
* nor may "OpenSSL" appear in their names without prior written |
| 29 |
* permission of the OpenSSL Project. |
| 30 |
* |
| 31 |
* 6. Redistributions of any form whatsoever must retain the following |
| 32 |
* acknowledgment: |
| 33 |
* "This product includes software developed by the OpenSSL Project |
| 34 |
* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 35 |
* |
| 36 |
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 37 |
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 38 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 39 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 40 |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 41 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 42 |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 43 |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 44 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 45 |
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 46 |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 47 |
* OF THE POSSIBILITY OF SUCH DAMAGE. |
| 48 |
* ==================================================================== |
| 49 |
* |
| 50 |
*/ |
| 51 |
|
| 52 |
#ifndef HEADER_AES_H |
| 53 |
# define HEADER_AES_H |
| 54 |
|
| 55 |
# include <openssl/opensslconf.h> |
| 56 |
|
| 57 |
# ifdef OPENSSL_NO_AES |
| 58 |
# error AES is disabled. |
| 59 |
# endif |
| 60 |
|
| 61 |
# include <stddef.h> |
| 62 |
|
| 63 |
# define AES_ENCRYPT 1 |
| 64 |
# define AES_DECRYPT 0 |
| 65 |
|
| 66 |
/* |
| 67 |
* Because array size can't be a const in C, the following two are macros. |
| 68 |
* Both sizes are in bytes. |
| 69 |
*/ |
| 70 |
# define AES_MAXNR 14 |
| 71 |
# define AES_BLOCK_SIZE 16 |
| 72 |
|
| 73 |
#ifdef __cplusplus |
| 74 |
extern "C" { |
| 75 |
#endif |
| 76 |
|
| 77 |
/* This should be a hidden type, but EVP requires that the size be known */ |
| 78 |
struct aes_key_st { |
| 79 |
# ifdef AES_LONG |
| 80 |
unsigned long rd_key[4 * (AES_MAXNR + 1)]; |
| 81 |
# else |
| 82 |
unsigned int rd_key[4 * (AES_MAXNR + 1)]; |
| 83 |
# endif |
| 84 |
int rounds; |
| 85 |
}; |
| 86 |
typedef struct aes_key_st AES_KEY; |
| 87 |
|
| 88 |
const char *AES_options(void); |
| 89 |
|
| 90 |
int AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
| 91 |
AES_KEY *key); |
| 92 |
int AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
| 93 |
AES_KEY *key); |
| 94 |
|
| 95 |
int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
| 96 |
AES_KEY *key); |
| 97 |
int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
| 98 |
AES_KEY *key); |
| 99 |
|
| 100 |
void AES_encrypt(const unsigned char *in, unsigned char *out, |
| 101 |
const AES_KEY *key); |
| 102 |
void AES_decrypt(const unsigned char *in, unsigned char *out, |
| 103 |
const AES_KEY *key); |
| 104 |
|
| 105 |
void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, |
| 106 |
const AES_KEY *key, const int enc); |
| 107 |
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
| 108 |
size_t length, const AES_KEY *key, |
| 109 |
unsigned char *ivec, const int enc); |
| 110 |
void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, |
| 111 |
size_t length, const AES_KEY *key, |
| 112 |
unsigned char *ivec, int *num, const int enc); |
| 113 |
void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, |
| 114 |
size_t length, const AES_KEY *key, |
| 115 |
unsigned char *ivec, int *num, const int enc); |
| 116 |
void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, |
| 117 |
size_t length, const AES_KEY *key, |
| 118 |
unsigned char *ivec, int *num, const int enc); |
| 119 |
void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, |
| 120 |
size_t length, const AES_KEY *key, |
| 121 |
unsigned char *ivec, int *num); |
| 122 |
void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, |
| 123 |
size_t length, const AES_KEY *key, |
| 124 |
unsigned char ivec[AES_BLOCK_SIZE], |
| 125 |
unsigned char ecount_buf[AES_BLOCK_SIZE], |
| 126 |
unsigned int *num); |
| 127 |
/* NB: the IV is _two_ blocks long */ |
| 128 |
void AES_ige_encrypt(const unsigned char *in, unsigned char *out, |
| 129 |
size_t length, const AES_KEY *key, |
| 130 |
unsigned char *ivec, const int enc); |
| 131 |
/* NB: the IV is _four_ blocks long */ |
| 132 |
void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, |
| 133 |
size_t length, const AES_KEY *key, |
| 134 |
const AES_KEY *key2, const unsigned char *ivec, |
| 135 |
const int enc); |
| 136 |
|
| 137 |
int AES_wrap_key(AES_KEY *key, const unsigned char *iv, |
| 138 |
unsigned char *out, |
| 139 |
const unsigned char *in, unsigned int inlen); |
| 140 |
int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, |
| 141 |
unsigned char *out, |
| 142 |
const unsigned char *in, unsigned int inlen); |
| 143 |
|
| 144 |
|
| 145 |
#ifdef __cplusplus |
| 146 |
} |
| 147 |
#endif |
| 148 |
|
| 149 |
#endif /* !HEADER_AES_H */ |
