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1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, Ali Mohammad Pur <ali.mpfard@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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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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void update(const Bytes& buffer) { update(buffer.data(), buffer.size()); };
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void update(const ReadonlyBytes& buffer) { update(buffer.data(), buffer.size()); };
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void update(const ByteBuffer& buffer) { update(buffer.data(), buffer.size()); };
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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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protected:
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virtual ~HashFunction() = default;
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};
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}
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}
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