72 lines
1.9 KiB
Text
72 lines
1.9 KiB
Text
/*
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* This file is part of libsidplayfp, a SID player engine.
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*
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* Copyright 2013 Leandro Nini <drfiemost@users.sourceforge.net>
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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; either version 2 of the License, or
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* (at your option) any later version.
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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 02110-1301, USA.
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*/
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#ifndef MD5_GCRYPT_H
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#define MD5_GCRYPT_H
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#define GCRYPT_NO_MPI_MACROS
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#define GCRYPT_NO_DEPRECATED
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#include "iMd5.h"
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#include "sidcxx11.h"
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#include <gcrypt.h>
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namespace libsidplayfp
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{
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class md5Gcrypt final : public iMd5
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{
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private:
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gcry_md_hd_t hd;
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public:
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md5Gcrypt()
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{
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if (gcry_check_version(GCRYPT_VERSION) == 0)
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throw md5Error();
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// Disable secure memory.
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if (gcry_control(GCRYCTL_DISABLE_SECMEM, 0) != 0)
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throw md5Error();
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// Tell Libgcrypt that initialization has completed.
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if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0) != 0)
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throw md5Error();
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if (gcry_md_open(&hd, GCRY_MD_MD5, 0) != 0)
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throw md5Error();
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}
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~md5Gcrypt() { gcry_md_close(hd); }
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void append(const void* data, int nbytes) override { gcry_md_write(hd, data, nbytes); }
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void finish() override { gcry_md_final(hd); }
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const unsigned char* getDigest() override { return gcry_md_read(hd, 0); }
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void reset() override { gcry_md_reset(hd); }
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};
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}
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#endif
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