50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2013-2018 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_CRYPTO_HASH_MD5_HPP
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#define CRUFT_CRYPTO_HASH_MD5_HPP
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#include <cruft/util/view.hpp>
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#include <array>
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#include <cstdint>
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#include <cstdlib>
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///////////////////////////////////////////////////////////////////////////////
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namespace cruft::crypto::hash {
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class MD5 {
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public:
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using digest_t = std::array<uint8_t,16>;
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static const size_t BLOCK_SIZE = 64;
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static const size_t DIGEST_SIZE = 16;
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public:
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digest_t operator() (util::view<const uint8_t*>) const noexcept;
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digest_t operator() (util::view<const uint8_t*>,util::view<const uint8_t*>) const noexcept;
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digest_t operator() (util::view<const uint8_t*>,util::view<const uint8_t*>,util::view<const uint8_t*>) const noexcept;
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private:
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std::array<uint32_t,4>
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transform (
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const std::array<uint32_t,4> &ABCD,
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const std::array<uint32_t,16> &X
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) const noexcept;
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};
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}
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#endif
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