34 lines
500 B
C++
34 lines
500 B
C++
/*
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* Copyright (c) 2022, stelar7 <dudedbz@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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namespace Crypto::Authentication {
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struct State {
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u32 r[4] {};
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u32 s[4] {};
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u64 a[8] {};
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u8 blocks[17] {};
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u8 block_count {};
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};
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class Poly1305 {
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public:
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explicit Poly1305(ReadonlyBytes key);
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void update(ReadonlyBytes message);
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ErrorOr<ByteBuffer> digest();
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private:
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void process_block();
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State m_state;
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};
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}
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