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/*
* Copyright (C) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "CryptoAlgorithm.h"
namespace WebCore {
constexpr auto ed25519KeySize = 32;
constexpr auto ed25519SignatureSize = ed25519KeySize * 2;
class CryptoKeyOKP;
class CryptoAlgorithmEd25519 final : public CryptoAlgorithm {
public:
static constexpr ASCIILiteral s_name = "Ed25519"_s;
static constexpr CryptoAlgorithmIdentifier s_identifier = CryptoAlgorithmIdentifier::Ed25519;
static Ref<CryptoAlgorithm> create();
private:
CryptoAlgorithmEd25519() = default;
CryptoAlgorithmIdentifier identifier() const final;
void generateKey(const CryptoAlgorithmParameters& , bool extractable, CryptoKeyUsageBitmap usages, KeyOrKeyPairCallback&& , ExceptionCallback&& , ScriptExecutionContext&);
void sign(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&) final;
void verify(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&& signature, Vector<uint8_t>&&, BoolCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&) final;
void importKey(CryptoKeyFormat, KeyData&&, const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsageBitmap, KeyCallback&&, ExceptionCallback&&) final;
void exportKey(CryptoKeyFormat, Ref<CryptoKey>&&, KeyDataCallback&&, ExceptionCallback&&) final;
static ExceptionOr<Vector<uint8_t>> platformSign(const CryptoKeyOKP&, const Vector<uint8_t>&);
static ExceptionOr<bool> platformVerify(const CryptoKeyOKP&, const Vector<uint8_t>&, const Vector<uint8_t>&);
};
inline CryptoAlgorithmIdentifier CryptoAlgorithmEd25519::identifier() const
{
return s_identifier;
}
} // namespace WebCore
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