1 /* 2 * An implementation of the CAMELLIA algorithm as mentioned in RFC3713 3 * Copyright (c) 2014 Supraja Meedinti 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 module ffmpeg.libavutil.camellia; 23 24 extern (C): 25 import ffmpeg; @nogc nothrow: 26 27 /** 28 * @file 29 * @brief Public header for libavutil CAMELLIA algorithm 30 * @defgroup lavu_camellia CAMELLIA 31 * @ingroup lavu_crypto 32 * @{ 33 */ 34 35 extern __gshared const int av_camellia_size; 36 37 struct AVCAMELLIA; 38 39 /** 40 * Allocate an AVCAMELLIA context 41 * To free the struct: av_free(ptr) 42 */ 43 AVCAMELLIA* av_camellia_alloc (); 44 45 /** 46 * Initialize an AVCAMELLIA context. 47 * 48 * @param ctx an AVCAMELLIA context 49 * @param key a key of 16, 24, 32 bytes used for encryption/decryption 50 * @param key_bits number of keybits: possible are 128, 192, 256 51 */ 52 int av_camellia_init (AVCAMELLIA* ctx, const(ubyte)* key, int key_bits); 53 54 /** 55 * Encrypt or decrypt a buffer using a previously initialized context 56 * 57 * @param ctx an AVCAMELLIA context 58 * @param dst destination array, can be equal to src 59 * @param src source array, can be equal to dst 60 * @param count number of 16 byte blocks 61 * @paran iv initialization vector for CBC mode, NULL for ECB mode 62 * @param decrypt 0 for encryption, 1 for decryption 63 */ 64 void av_camellia_crypt (AVCAMELLIA* ctx, ubyte* dst, const(ubyte)* src, int count, ubyte* iv, int decrypt); 65 66 /** 67 * @} 68 */ 69 /* AVUTIL_CAMELLIA_H */