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#ifndef AVUTIL_SHA1_H 22#define AVUTIL_SHA1_H 23 24#include <stdint.h> 25 26extern const int av_sha1_size; 27 28struct AVSHA1; 29 30/** 31 * Initializes SHA-1 hashing. 32 * 33 * @param context pointer to the function context (of size av_sha_size) 34 * @deprecated use av_sha_init() instead 35 */ 36void av_sha1_init(struct AVSHA1* context); 37 38/** 39 * Updates hash value. 40 * 41 * @param context hash function context 42 * @param data input data to update hash with 43 * @param len input data length 44 * @deprecated use av_sha_update() instead 45 */ 46void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len); 47 48/** 49 * Finishes hashing and output digest value. 50 * 51 * @param context hash function context 52 * @param digest buffer where output digest value is stored 53 * @deprecated use av_sha_final() instead 54 */ 55void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]); 56 57#endif /* AVUTIL_SHA1_H */ 58