mirror of
https://github.com/RGBCube/serenity
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59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
/*
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* Copyright (c) 2020, Ali Mohammad Pur <ali.mpfard@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/StringView.h>
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#include <AK/Types.h>
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namespace Crypto {
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namespace Hash {
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template<size_t BlockS, typename DigestT>
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class HashFunction {
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public:
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static constexpr auto BlockSize = BlockS / 8;
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static constexpr auto DigestSize = DigestT::Size;
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using DigestType = DigestT;
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static size_t block_size() { return BlockSize; };
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static size_t digest_size() { return DigestSize; };
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virtual void update(const u8*, size_t) = 0;
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virtual void update(const ByteBuffer& buffer) { update(buffer.data(), buffer.size()); };
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virtual void update(const StringView& string) { update((const u8*)string.characters_without_null_termination(), string.length()); };
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virtual DigestType peek() = 0;
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virtual DigestType digest() = 0;
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virtual void reset() = 0;
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virtual String class_name() const = 0;
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};
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}
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}
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