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PATH: usr / include / ffmpeg / libavutil

/*
 * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVUTIL_SHA_H
#define AVUTIL_SHA_H

#include <stdint.h>

#include "attributes.h"
#include "version.h"

/**
 * @defgroup lavu_sha SHA
 * @ingroup lavu_crypto
 * @{
 */

extern const int av_sha_size;

struct AVSHA;

/**
 * Allocate an AVSHA context.
 */
struct AVSHA *av_sha_alloc(void);

/**
 * Initialize SHA-1 or SHA-2 hashing.
 *
 * @param context pointer to the function context (of size av_sha_size)
 * @param bits    number of bits in digest (SHA-1 - 160 bits, SHA-2 224 or 256 bits)
 * @return        zero if initialization succeeded, -1 otherwise
 */
int av_sha_init(struct AVSHA* context, int bits);

/**
 * Update hash value.
 *
 * @param context hash function context
 * @param data    input data to update hash with
 * @param len     input data length
 */
void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);

/**
 * Finish hashing and output digest value.
 *
 * @param context hash function context
 * @param digest  buffer where output digest value is stored
 */
void av_sha_final(struct AVSHA* context, uint8_t *digest);

/**
 * @}
 */

#endif /* AVUTIL_SHA_H */

[-] dict.h [edit]
[-] md5.h [edit]
[-] file.h [edit]
[-] version.h [edit]
[-] eval.h [edit]
[-] aes.h [edit]
[-] sha512.h [edit]
[-] replaygain.h [edit]
[-] samplefmt.h [edit]
[-] threadmessage.h [edit]
[-] motion_vector.h [edit]
[-] pixdesc.h [edit]
[-] old_pix_fmts.h [edit]
[-] intreadwrite.h [edit]
[-] tea.h [edit]
[+] ..
[-] base64.h [edit]
[-] stereo3d.h [edit]
[-] avassert.h [edit]
[-] opt.h [edit]
[-] mem.h [edit]
[-] parseutils.h [edit]
[-] camellia.h [edit]
[-] random_seed.h [edit]
[-] cast5.h [edit]
[-] bswap.h [edit]
[-] pixelutils.h [edit]
[-] attributes.h [edit]
[-] log.h [edit]
[-] avstring.h [edit]
[-] imgutils.h [edit]
[-] adler32.h [edit]
[-] crc.h [edit]
[-] time.h [edit]
[-] audio_fifo.h [edit]
[-] hash.h [edit]
[-] intfloat.h [edit]
[-] timecode.h [edit]
[-] lzo.h [edit]
[-] ffversion.h [edit]
[-] frame.h [edit]
[-] hmac.h [edit]
[-] cpu.h [edit]
[-] lfg.h [edit]
[-] bprint.h [edit]
[-] xtea.h [edit]
[-] murmur3.h [edit]
[-] rational.h [edit]
[-] avconfig.h [edit]
[-] downmix_info.h [edit]
[-] display.h [edit]
[-] error.h [edit]
[-] twofish.h [edit]
[-] pixfmt.h [edit]
[-] common.h [edit]
[-] avutil.h [edit]
[-] audioconvert.h [edit]
[-] channel_layout.h [edit]
[-] macros.h [edit]
[-] timestamp.h [edit]
[-] mathematics.h [edit]
[-] sha.h [edit]
[-] ripemd.h [edit]
[-] blowfish.h [edit]
[-] fifo.h [edit]
[-] buffer.h [edit]