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| (Empty) |
| 1 /* | |
| 2 * aes.h | |
| 3 * | |
| 4 * header file for the AES block cipher | |
| 5 * | |
| 6 * David A. McGrew | |
| 7 * Cisco Systems, Inc. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * | |
| 12 * Copyright (c) 2001-2006, Cisco Systems, Inc. | |
| 13 * All rights reserved. | |
| 14 * | |
| 15 * Redistribution and use in source and binary forms, with or without | |
| 16 * modification, are permitted provided that the following conditions | |
| 17 * are met: | |
| 18 * | |
| 19 * Redistributions of source code must retain the above copyright | |
| 20 * notice, this list of conditions and the following disclaimer. | |
| 21 * | |
| 22 * Redistributions in binary form must reproduce the above | |
| 23 * copyright notice, this list of conditions and the following | |
| 24 * disclaimer in the documentation and/or other materials provided | |
| 25 * with the distribution. | |
| 26 * | |
| 27 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 28 * contributors may be used to endorse or promote products derived | |
| 29 * from this software without specific prior written permission. | |
| 30 * | |
| 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 34 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 35 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 36 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 38 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 42 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 43 * | |
| 44 */ | |
| 45 | |
| 46 #ifndef _AES_H | |
| 47 #define _AES_H | |
| 48 | |
| 49 #include "datatypes.h" | |
| 50 #include "gf2_8.h" | |
| 51 #include "err.h" | |
| 52 | |
| 53 /* aes internals */ | |
| 54 | |
| 55 typedef struct { | |
| 56 v128_t round[15]; | |
| 57 int num_rounds; | |
| 58 } aes_expanded_key_t; | |
| 59 | |
| 60 err_status_t | |
| 61 aes_expand_encryption_key(const uint8_t *key, | |
| 62 int key_len, | |
| 63 aes_expanded_key_t *expanded_key); | |
| 64 | |
| 65 err_status_t | |
| 66 aes_expand_decryption_key(const uint8_t *key, | |
| 67 int key_len, | |
| 68 aes_expanded_key_t *expanded_key); | |
| 69 | |
| 70 void | |
| 71 aes_encrypt(v128_t *plaintext, const aes_expanded_key_t *exp_key); | |
| 72 | |
| 73 void | |
| 74 aes_decrypt(v128_t *plaintext, const aes_expanded_key_t *exp_key); | |
| 75 | |
| 76 #if 0 | |
| 77 /* | |
| 78 * internal functions | |
| 79 */ | |
| 80 | |
| 81 void | |
| 82 aes_init_sbox(void); | |
| 83 | |
| 84 void | |
| 85 aes_compute_tables(void); | |
| 86 #endif | |
| 87 | |
| 88 #endif /* _AES_H */ | |
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Chromium Code Reviews
Issue 2344973002:
Update libsrtp to version 2.0 (Closed)
