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/*
* Copyright (c) 2022, stelar7 <dudedbz@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
namespace Crypto::Authentication {
struct State {
u32 r[4] {};
u32 s[4] {};
u64 a[8] {};
u8 blocks[17] {};
u8 block_count {};
};
class Poly1305 {
public:
explicit Poly1305(ReadonlyBytes key);
void update(ReadonlyBytes message);
ErrorOr<ByteBuffer> digest();
private:
void process_block();
State m_state;
};
}
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