| OLD | NEW |
| (Empty) |
| 1 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */ | |
| 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 /* Because array size can't be a const in C, the following two are macros. | |
| 67 Both sizes are in bytes. */ | |
| 68 #define AES_MAXNR 14 | |
| 69 #define AES_BLOCK_SIZE 16 | |
| 70 | |
| 71 #ifdef __cplusplus | |
| 72 extern "C" { | |
| 73 #endif | |
| 74 | |
| 75 /* This should be a hidden type, but EVP requires that the size be known */ | |
| 76 struct aes_key_st { | |
| 77 #ifdef AES_LONG | |
| 78 unsigned long rd_key[4 *(AES_MAXNR + 1)]; | |
| 79 #else | |
| 80 unsigned int rd_key[4 *(AES_MAXNR + 1)]; | |
| 81 #endif | |
| 82 int rounds; | |
| 83 }; | |
| 84 typedef struct aes_key_st AES_KEY; | |
| 85 | |
| 86 const char *AES_options(void); | |
| 87 | |
| 88 int AES_set_encrypt_key(const unsigned char *userKey, const int bits, | |
| 89 AES_KEY *key); | |
| 90 int AES_set_decrypt_key(const unsigned char *userKey, const int bits, | |
| 91 AES_KEY *key); | |
| 92 | |
| 93 int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits, | |
| 94 AES_KEY *key); | |
| 95 int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits, | |
| 96 AES_KEY *key); | |
| 97 | |
| 98 void AES_encrypt(const unsigned char *in, unsigned char *out, | |
| 99 const AES_KEY *key); | |
| 100 void AES_decrypt(const unsigned char *in, unsigned char *out, | |
| 101 const AES_KEY *key); | |
| 102 | |
| 103 void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, | |
| 104 const AES_KEY *key, const int enc); | |
| 105 void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, | |
| 106 size_t length, const AES_KEY *key, | |
| 107 unsigned char *ivec, const int enc); | |
| 108 void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, | |
| 109 size_t length, const AES_KEY *key, | |
| 110 unsigned char *ivec, int *num, const int enc); | |
| 111 void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, | |
| 112 size_t length, const AES_KEY *key, | |
| 113 unsigned char *ivec, int *num, const int enc); | |
| 114 void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, | |
| 115 size_t length, const AES_KEY *key, | |
| 116 unsigned char *ivec, int *num, const int enc); | |
| 117 void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, | |
| 118 size_t length, const AES_KEY *key, | |
| 119 unsigned char *ivec, int *num); | |
| 120 void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, | |
| 121 size_t length, const AES_KEY *key, | |
| 122 unsigned char ivec[AES_BLOCK_SIZE], | |
| 123 unsigned char ecount_buf[AES_BLOCK_SIZE], | |
| 124 unsigned int *num); | |
| 125 /* NB: the IV is _two_ blocks long */ | |
| 126 void AES_ige_encrypt(const unsigned char *in, unsigned char *out, | |
| 127 size_t length, const AES_KEY *key, | |
| 128 unsigned char *ivec, const int enc); | |
| 129 /* NB: the IV is _four_ blocks long */ | |
| 130 void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, | |
| 131 size_t length, const AES_KEY *key, | |
| 132 const AES_KEY *key2, const unsigned char *ivec, | |
| 133 const int enc); | |
| 134 | |
| 135 int AES_wrap_key(AES_KEY *key, const unsigned char *iv, | |
| 136 unsigned char *out, | |
| 137 const unsigned char *in, unsigned int inlen); | |
| 138 int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, | |
| 139 unsigned char *out, | |
| 140 const unsigned char *in, unsigned int inlen); | |
| 141 | |
| 142 | |
| 143 #ifdef __cplusplus | |
| 144 } | |
| 145 #endif | |
| 146 | |
| 147 #endif /* !HEADER_AES_H */ | |
| OLD | NEW |