mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-04-25 16:36:54 +02:00
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/*
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* Copyright (c)2013-2020 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: 2024-01-01
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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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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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{
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public:
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ZT_INLINE Poly1305() {}
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ZT_INLINE Poly1305(const void *key) { this->init(key); }
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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 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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