md5Gcrypt.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2013 Leandro Nini <drfiemost@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef MD5_GCRYPT_H
#define MD5_GCRYPT_H
#define GCRYPT_NO_MPI_MACROS
#define GCRYPT_NO_DEPRECATED
#include "iMd5.h"
#include "sidcxx11.h"
#include <gcrypt.h>
namespace libsidplayfp
{
class md5Gcrypt final : public iMd5
{
private:
gcry_md_hd_t hd;
public:
md5Gcrypt()
{
if (gcry_check_version(GCRYPT_VERSION) == 0)
throw md5Error();
// Disable secure memory.
if (gcry_control(GCRYCTL_DISABLE_SECMEM, 0) != 0)
throw md5Error();
// Tell Libgcrypt that initialization has completed.
if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0) != 0)
throw md5Error();
if (gcry_md_open(&hd, GCRY_MD_MD5, 0) != 0)
throw md5Error();
}
~md5Gcrypt() { gcry_md_close(hd); }
void append(const void* data, int nbytes) override { gcry_md_write(hd, data, nbytes); }
void finish() override { gcry_md_final(hd); }
const unsigned char* getDigest() override { return gcry_md_read(hd, 0); }
void reset() override { gcry_md_reset(hd); }
};
}
#endif
libsidplayfp::iMd5
Definition: iMd5.h:28
libsidplayfp::md5Error
Definition: iMd5.h:37
libsidplayfp::md5Gcrypt
Definition: md5Gcrypt.h:37