1 /* 2 * copyright (c) 2007 Michael Niedermayer <michaelni@gmx.at> 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 module ffmpeg.libavutil.aes; 22 23 extern (C): 24 import ffmpeg; @nogc nothrow: 25 26 /** 27 * @defgroup lavu_aes AES 28 * @ingroup lavu_crypto 29 * @{ 30 */ 31 32 extern __gshared const int av_aes_size; 33 34 struct AVAES; 35 36 /** 37 * Allocate an AVAES context. 38 */ 39 AVAES* av_aes_alloc (); 40 41 /** 42 * Initialize an AVAES context. 43 * @param key_bits 128, 192 or 256 44 * @param decrypt 0 for encryption, 1 for decryption 45 */ 46 int av_aes_init (AVAES* a, const(ubyte)* key, int key_bits, int decrypt); 47 48 /** 49 * Encrypt or decrypt a buffer using a previously initialized context. 50 * @param count number of 16 byte blocks 51 * @param dst destination array, can be equal to src 52 * @param src source array, can be equal to dst 53 * @param iv initialization vector for CBC mode, if NULL then ECB will be used 54 * @param decrypt 0 for encryption, 1 for decryption 55 */ 56 void av_aes_crypt (AVAES* a, ubyte* dst, const(ubyte)* src, int count, ubyte* iv, int decrypt); 57 58 /** 59 * @} 60 */ 61 62 /* AVUTIL_AES_H */