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 module ffmpeg.libavutil.camellia; 22 extern (C) @nogc nothrow: 23 24 /** 25 * @file 26 * @brief Public header for libavutil CAMELLIA algorithm 27 * @defgroup lavu_camellia CAMELLIA 28 * @ingroup lavu_crypto 29 * @{ 30 */ 31 32 extern __gshared const int av_camellia_size; 33 34 struct AVCAMELLIA; 35 36 /** 37 * Allocate an AVCAMELLIA context 38 * To free the struct: av_free(ptr) 39 */ 40 AVCAMELLIA* av_camellia_alloc (); 41 42 /** 43 * Initialize an AVCAMELLIA context. 44 * 45 * @param ctx an AVCAMELLIA context 46 * @param key a key of 16, 24, 32 bytes used for encryption/decryption 47 * @param key_bits number of keybits: possible are 128, 192, 256 48 */ 49 int av_camellia_init (AVCAMELLIA* ctx, const(ubyte)* key, int key_bits); 50 51 /** 52 * Encrypt or decrypt a buffer using a previously initialized context 53 * 54 * @param ctx an AVCAMELLIA context 55 * @param dst destination array, can be equal to src 56 * @param src source array, can be equal to dst 57 * @param count number of 16 byte blocks 58 * @paran iv initialization vector for CBC mode, NULL for ECB mode 59 * @param decrypt 0 for encryption, 1 for decryption 60 */ 61 void av_camellia_crypt (AVCAMELLIA* ctx, ubyte* dst, const(ubyte)* src, int count, ubyte* iv, int decrypt); 62 63 /** 64 * @} 65 */ 66 /* AVUTIL_CAMELLIA_H */