| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2015 Rodger Combs <rodger.combs@gmail.com> | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include <stddef.h> | ||
| 22 | #include "libavutil/aes_internal.h" | ||
| 23 | #include "libavutil/x86/cpu.h" | ||
| 24 | |||
| 25 | void ff_aes_decrypt_10_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 26 | int count, uint8_t *iv, int rounds); | ||
| 27 | void ff_aes_decrypt_12_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 28 | int count, uint8_t *iv, int rounds); | ||
| 29 | void ff_aes_decrypt_14_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 30 | int count, uint8_t *iv, int rounds); | ||
| 31 | void ff_aes_encrypt_10_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 32 | int count, uint8_t *iv, int rounds); | ||
| 33 | void ff_aes_encrypt_12_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 34 | int count, uint8_t *iv, int rounds); | ||
| 35 | void ff_aes_encrypt_14_aesni(AVAES *a, uint8_t *dst, const uint8_t *src, | ||
| 36 | int count, uint8_t *iv, int rounds); | ||
| 37 | |||
| 38 | 120 | void ff_init_aes_x86(AVAES *a, int decrypt) | |
| 39 | { | ||
| 40 | 120 | int cpu_flags = av_get_cpu_flags(); | |
| 41 | |||
| 42 |
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120 | if (EXTERNAL_AESNI(cpu_flags)) { |
| 43 |
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63 | if (a->rounds == 10) |
| 44 |
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47 | a->crypt = decrypt ? ff_aes_decrypt_10_aesni : ff_aes_encrypt_10_aesni; |
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16 | else if (a->rounds == 12) |
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8 | a->crypt = decrypt ? ff_aes_decrypt_12_aesni : ff_aes_encrypt_12_aesni; |
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8 | else if (a->rounds == 14) |
| 48 |
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8 | a->crypt = decrypt ? ff_aes_decrypt_14_aesni : ff_aes_encrypt_14_aesni; |
| 49 | } | ||
| 50 | 120 | } | |
| 51 |