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f1c452059c
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
38 lines
705 B
C++
38 lines
705 B
C++
/*
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* Copyright (c) 2020-2022, the SerenityOS developers.
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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/Span.h>
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#include <AK/Types.h>
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#include <LibCrypto/Checksum/ChecksumFunction.h>
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namespace Crypto::Checksum {
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class Adler32 : public ChecksumFunction<u32> {
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public:
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Adler32() = default;
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Adler32(ReadonlyBytes data)
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{
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update(data);
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}
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Adler32(u32 initial_a, u32 initial_b, ReadonlyBytes data)
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: m_state_a(initial_a)
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, m_state_b(initial_b)
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{
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update(data);
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}
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virtual void update(ReadonlyBytes data) override;
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virtual u32 digest() override;
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private:
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u32 m_state_a { 1 };
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u32 m_state_b { 0 };
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};
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}
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