mirror of
https://github.com/RGBCube/serenity
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32 lines
866 B
C++
32 lines
866 B
C++
/*
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* Copyright (c) 2022, Michiel Visser <opensource@webmichiel.nl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/UFixedBigInt.h>
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#include <LibCrypto/Curves/EllipticCurve.h>
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namespace Crypto::Curves {
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struct JacobianPoint {
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u256 x { 0u };
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u256 y { 0u };
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u256 z { 0u };
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};
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class SECP256r1 : public EllipticCurve {
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public:
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size_t key_size() override { return 1 + 2 * 32; }
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ErrorOr<ByteBuffer> generate_private_key() override;
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ErrorOr<ByteBuffer> generate_public_key(ReadonlyBytes a) override;
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ErrorOr<ByteBuffer> compute_coordinate(ReadonlyBytes scalar_bytes, ReadonlyBytes point_bytes) override;
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ErrorOr<ByteBuffer> derive_premaster_key(ReadonlyBytes shared_point) override;
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ErrorOr<bool> verify(ReadonlyBytes hash, ReadonlyBytes pubkey, ReadonlyBytes signature);
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};
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}
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