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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 "CryptoKey.h"
#include "CryptoKeyPair.h"
#include "ExceptionOr.h"
namespace WebCore {
struct JsonWebKey;
class CryptoKeyOKP final : public CryptoKey {
public:
using KeyMaterial = Vector<uint8_t>;
enum class NamedCurve : bool {
X25519,
Ed25519,
};
static RefPtr<CryptoKeyOKP> create(CryptoAlgorithmIdentifier, NamedCurve, CryptoKeyType, KeyMaterial&&, bool extractable, CryptoKeyUsageBitmap);
WEBCORE_EXPORT static ExceptionOr<CryptoKeyPair> generatePair(CryptoAlgorithmIdentifier, NamedCurve, bool extractable, CryptoKeyUsageBitmap);
WEBCORE_EXPORT static RefPtr<CryptoKeyOKP> importRaw(CryptoAlgorithmIdentifier, NamedCurve, Vector<uint8_t>&& keyData, bool extractable, CryptoKeyUsageBitmap);
static RefPtr<CryptoKeyOKP> importJwk(CryptoAlgorithmIdentifier, NamedCurve, JsonWebKey&&, bool extractable, CryptoKeyUsageBitmap);
static RefPtr<CryptoKeyOKP> importSpki(CryptoAlgorithmIdentifier, NamedCurve, Vector<uint8_t>&& keyData, bool extractable, CryptoKeyUsageBitmap);
static RefPtr<CryptoKeyOKP> importPkcs8(CryptoAlgorithmIdentifier, NamedCurve, Vector<uint8_t>&& keyData, bool extractable, CryptoKeyUsageBitmap);
WEBCORE_EXPORT ExceptionOr<Vector<uint8_t>> exportRaw() const;
ExceptionOr<JsonWebKey> exportJwk() const;
ExceptionOr<Vector<uint8_t>> exportSpki() const;
ExceptionOr<Vector<uint8_t>> exportPkcs8() const;
static std::optional<NamedCurve> namedCurveFromString(const String&);
NamedCurve namedCurve() const { return m_curve; }
String namedCurveString() const;
static bool isValidOKPAlgorithm(CryptoAlgorithmIdentifier);
size_t keySizeInBits() const { return platformKey().size() * 8; }
size_t keySizeInBytes() const { return platformKey().size(); }
const KeyMaterial& platformKey() const { return m_data; }
private:
CryptoKeyOKP(CryptoAlgorithmIdentifier, NamedCurve, CryptoKeyType, Vector<uint8_t>&&, bool extractable, CryptoKeyUsageBitmap);
CryptoKeyClass keyClass() const final { return CryptoKeyClass::OKP; }
KeyAlgorithm algorithm() const final;
CryptoKey::Data data() const final;
String generateJwkD() const;
String generateJwkX() const;
static bool supportsNamedCurve();
static std::optional<CryptoKeyPair> platformGeneratePair(CryptoAlgorithmIdentifier, NamedCurve, bool extractable, CryptoKeyUsageBitmap);
static bool platformCheckPairedKeys(CryptoAlgorithmIdentifier, NamedCurve, const Vector<uint8_t>&, const Vector<uint8_t>&);
Vector<uint8_t> platformExportRaw() const;
Vector<uint8_t> platformExportSpki() const;
Vector<uint8_t> platformExportPkcs8() const;
NamedCurve m_curve;
KeyMaterial m_data;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CRYPTO_KEY(CryptoKeyOKP, CryptoKeyClass::OKP)
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