63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
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/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2013 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_HASH_SHA1_HPP
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#define __UTIL_HASH_SHA1_HPP
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#include <cstdint>
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#include <cstdlib>
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#include <array>
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namespace util {
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namespace hash {
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class SHA1 {
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public:
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typedef std::array<uint8_t,20> digest_t;
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public:
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SHA1();
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void update (const uint8_t *, size_t);
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void finish (void);
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digest_t digest (void) const;
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void reset (void);
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protected:
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void process (void);
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enum {
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READY,
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FINISHED
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} state;
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uint64_t total;
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uint32_t H[5];
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union {
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uint8_t c[16*4+64*4];
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uint32_t W[16+64];
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};
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};
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}
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}
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#endif
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