mirror of
https://github.com/taigrr/arduinolibs
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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (C) 2016 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef CRYPTO_NEWHOPE_h
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#define CRYPTO_NEWHOPE_h
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#include <inttypes.h>
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#define NEWHOPE_SENDABYTES 1824
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#define NEWHOPE_SENDBBYTES 2048
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#define NEWHOPE_SHAREDBYTES 32
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class NewHope;
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class NewHopePoly
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{
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public:
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NewHopePoly();
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~NewHopePoly();
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void clear();
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private:
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uint16_t coeffs[1024];
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friend class NewHope;
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};
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class NewHope
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{
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private:
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NewHope() {}
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~NewHope() {}
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public:
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enum Variant
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{
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Ref,
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Torref
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};
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static void keygen(uint8_t send[NEWHOPE_SENDABYTES], NewHopePoly &sk,
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Variant variant = Ref, const uint8_t *random_seed = 0);
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static void sharedb(uint8_t shared_key[NEWHOPE_SHAREDBYTES],
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uint8_t send[NEWHOPE_SENDBBYTES],
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uint8_t received[NEWHOPE_SENDABYTES],
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Variant variant = Ref, const uint8_t *random_seed = 0);
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static void shareda(uint8_t shared_key[NEWHOPE_SHAREDBYTES],
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const NewHopePoly &sk,
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uint8_t received[NEWHOPE_SENDBBYTES]);
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};
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#endif
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