forked from mirror/libbpg
80 lines
2 KiB
C
80 lines
2 KiB
C
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/*****************************************************************************
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* md5.h: Calculate MD5
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*****************************************************************************
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* Copyright (C) 2011-2012 x265 project
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*
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* Authors: Min Chen <chenm003@163.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at chenm003@163.com.
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*****************************************************************************/
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#ifndef X265_MD5_H
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#define X265_MD5_H
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#include "common.h"
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namespace X265_NS {
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//private x265 namespace
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typedef struct MD5Context
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{
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uint32_t buf[4];
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uint32_t bits[2];
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unsigned char in[64];
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} MD5Context;
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void MD5Init(MD5Context *context);
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void MD5Update(MD5Context *context, unsigned char *buf, uint32_t len);
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void MD5Final(MD5Context *ctx, uint8_t *digest);
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class MD5
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{
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public:
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/**
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* initialize digest state
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*/
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MD5()
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{
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MD5Init(&m_state);
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}
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/**
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* compute digest over buf of length len.
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* multiple calls may extend the digest over more data.
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*/
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void update(unsigned char *buf, unsigned len)
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{
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MD5Update(&m_state, buf, len);
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}
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/**
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* flush any outstanding MD5 data, write the digest into digest.
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*/
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void finalize(unsigned char digest[16])
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{
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MD5Final(&m_state, digest);
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}
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private:
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MD5Context m_state;
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};
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}
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#endif // ifndef X265_MD5_H
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