mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 18:22:50 +01:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* charybdis: 21st Century IRC++d
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*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define HAVE_IRCD_ED25519_H
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namespace ircd::ed25519
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{
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, bad_sig)
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const size_t SK_SZ { 32 + 32 };
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const size_t PK_SZ { 32 };
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const size_t SIG_SZ { 64 };
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const size_t SEED_SZ { 32 };
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struct pk;
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struct sk;
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struct sig;
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}
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class ircd::ed25519::sk
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{
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std::unique_ptr<uint8_t[], void (*)(void *)> key;
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public:
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sig sign(const const_raw_buffer &msg) const;
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sk(const std::string &filename, pk *const & = nullptr);
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sk(pk *const &, const const_raw_buffer &seed);
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sk(): key{nullptr, std::free} {}
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};
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struct ircd::ed25519::pk
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:fixed_mutable_raw_buffer<PK_SZ>
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{
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bool verify(const const_raw_buffer &msg, const sig &) const;
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using fixed_mutable_raw_buffer<PK_SZ>::fixed_mutable_raw_buffer;
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pk()
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:fixed_mutable_raw_buffer<PK_SZ>{nullptr}
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{}
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};
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struct ircd::ed25519::sig
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:fixed_mutable_raw_buffer<SIG_SZ>
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{
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using fixed_mutable_raw_buffer<SIG_SZ>::fixed_mutable_raw_buffer;
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sig()
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:fixed_mutable_raw_buffer<SIG_SZ>{nullptr}
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{}
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};
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