mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-05-28 08:03:43 +02:00
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
/*
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* Copyright (c)2013-2021 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2026-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#ifndef ZT_POLY1305_HPP
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#define ZT_POLY1305_HPP
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#include "Constants.hpp"
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namespace ZeroTier {
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#define ZT_POLY1305_KEY_SIZE 32
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#define ZT_POLY1305_MAC_SIZE 16
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/**
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* Poly1305 one-time MAC calculator
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*/
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class Poly1305 {
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public:
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ZT_INLINE Poly1305()
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{
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}
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ZT_INLINE Poly1305(const void* key)
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{
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this->init(key);
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}
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void init(const void* key) noexcept;
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void update(const void* data, unsigned int len) noexcept;
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void finish(void* auth) noexcept;
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static ZT_INLINE void
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compute(void* const auth, const void* const data, const unsigned int len, const void* const key) noexcept
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{
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Poly1305 p(key);
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p.update(data, len);
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p.finish(auth);
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}
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private:
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struct {
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size_t aligner;
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unsigned char opaque[136];
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} ctx;
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};
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} // namespace ZeroTier
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#endif
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