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LibCrypto+LibTLS: Generalize the elliptic curve interface

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These changes generalize the interface with an elliptic curve
implementation. This allows LibTLS to support elliptic curves generally
without needing the specifics of elliptic curve implementations.

This should allow for easier addition of other elliptic curves.
This commit is contained in:
Michiel Visser 2022-03-05 18:13:39 +01:00 • committed by Ali Mohammad Pur
parent 21bbff0349
commit c1b041e761
10 changed files with 133 additions and 122 deletions
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24
Userland/Libraries/LibCrypto/Curves/EllipticCurve.h Normal file
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/*
* Copyright (c) 2022, Michiel Visser <opensource@webmichiel.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
namespace Crypto::Curves {
class EllipticCurve {
public:
virtual size_t key_size() = 0;
virtual ErrorOr<ByteBuffer> generate_private_key() = 0;
virtual ErrorOr<ByteBuffer> generate_public_key(ReadonlyBytes a) = 0;
virtual ErrorOr<ByteBuffer> compute_coordinate(ReadonlyBytes scalar_bytes, ReadonlyBytes point_bytes) = 0;
virtual ErrorOr<ByteBuffer> derive_premaster_key(ReadonlyBytes shared_point) = 0;
virtual ~EllipticCurve() = default;
};
}