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/*
* Copyright (C) 2013 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 "ExceptionOr.h"
#include <wtf/Function.h>
#if ENABLE(SUBTLE_CRYPTO)
#if OS(DARWIN) && !PLATFORM(GTK)
typedef struct _CCRSACryptor *CCRSACryptorRef;
typedef CCRSACryptorRef PlatformRSAKey;
#endif
#if PLATFORM(GTK) || PLATFORM(WPE)
// gcry_sexp* equates gcry_sexp_t.
struct gcry_sexp;
typedef gcry_sexp* PlatformRSAKey;
#endif
namespace WebCore {
class CryptoKeyDataRSAComponents;
class PromiseWrapper;
class ScriptExecutionContext;
struct CryptoKeyPair;
struct JsonWebKey;
class RsaKeyAlgorithm : public KeyAlgorithm {
public:
RsaKeyAlgorithm(const String& name, size_t modulusLength, Vector<uint8_t>&& publicExponent)
: KeyAlgorithm(name)
, m_modulusLength(modulusLength)
, m_publicExponent(WTFMove(publicExponent))
{
}
KeyAlgorithmClass keyAlgorithmClass() const override { return KeyAlgorithmClass::RSA; }
size_t modulusLength() const { return m_modulusLength; }
const Vector<uint8_t>& publicExponent() const { return m_publicExponent; }
CryptoRsaKeyAlgorithm dictionary() const;
private:
size_t m_modulusLength;
Vector<uint8_t> m_publicExponent;
};
class RsaHashedKeyAlgorithm final : public RsaKeyAlgorithm {
public:
RsaHashedKeyAlgorithm(const String& name, size_t modulusLength, Vector<uint8_t>&& publicExponent, const String& hash)
: RsaKeyAlgorithm(name, modulusLength, WTFMove(publicExponent))
, m_hash(hash)
{
}
KeyAlgorithmClass keyAlgorithmClass() const final { return KeyAlgorithmClass::HRSA; }
const String& hash() const { return m_hash; }
CryptoRsaHashedKeyAlgorithm dictionary() const;
private:
String m_hash;
};
class CryptoKeyRSA final : public CryptoKey {
public:
static Ref<CryptoKeyRSA> create(CryptoAlgorithmIdentifier identifier, CryptoAlgorithmIdentifier hash, bool hasHash, CryptoKeyType type, PlatformRSAKey platformKey, bool extractable, CryptoKeyUsageBitmap usage)
{
return adoptRef(*new CryptoKeyRSA(identifier, hash, hasHash, type, platformKey, extractable, usage));
}
static RefPtr<CryptoKeyRSA> create(CryptoAlgorithmIdentifier, CryptoAlgorithmIdentifier hash, bool hasHash, const CryptoKeyDataRSAComponents&, bool extractable, CryptoKeyUsageBitmap);
virtual ~CryptoKeyRSA();
bool isRestrictedToHash(CryptoAlgorithmIdentifier&) const;
size_t keySizeInBits() const;
using KeyPairCallback = WTF::Function<void(CryptoKeyPair&&)>;
using VoidCallback = WTF::Function<void()>;
static void generatePair(CryptoAlgorithmIdentifier, CryptoAlgorithmIdentifier hash, bool hasHash, unsigned modulusLength, const Vector<uint8_t>& publicExponent, bool extractable, CryptoKeyUsageBitmap, KeyPairCallback&&, VoidCallback&& failureCallback, ScriptExecutionContext*);
static RefPtr<CryptoKeyRSA> importJwk(CryptoAlgorithmIdentifier, std::optional<CryptoAlgorithmIdentifier> hash, JsonWebKey&&, bool extractable, CryptoKeyUsageBitmap);
static RefPtr<CryptoKeyRSA> importSpki(CryptoAlgorithmIdentifier, std::optional<CryptoAlgorithmIdentifier> hash, Vector<uint8_t>&&, bool extractable, CryptoKeyUsageBitmap);
static RefPtr<CryptoKeyRSA> importPkcs8(CryptoAlgorithmIdentifier, std::optional<CryptoAlgorithmIdentifier> hash, Vector<uint8_t>&&, bool extractable, CryptoKeyUsageBitmap);
PlatformRSAKey platformKey() const { return m_platformKey; }
JsonWebKey exportJwk() const;
ExceptionOr<Vector<uint8_t>> exportSpki() const;
ExceptionOr<Vector<uint8_t>> exportPkcs8() const;
CryptoAlgorithmIdentifier hashAlgorithmIdentifier() const { return m_hash; }
private:
CryptoKeyRSA(CryptoAlgorithmIdentifier, CryptoAlgorithmIdentifier hash, bool hasHash, CryptoKeyType, PlatformRSAKey, bool extractable, CryptoKeyUsageBitmap);
CryptoKeyClass keyClass() const final { return CryptoKeyClass::RSA; }
std::unique_ptr<KeyAlgorithm> buildAlgorithm() const final;
std::unique_ptr<CryptoKeyData> exportData() const final;
PlatformRSAKey m_platformKey;
bool m_restrictedToSpecificHash;
CryptoAlgorithmIdentifier m_hash;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CRYPTO_KEY(CryptoKeyRSA, CryptoKeyClass::RSA)
SPECIALIZE_TYPE_TRAITS_KEY_ALGORITHM(RsaKeyAlgorithm, KeyAlgorithmClass::RSA)
SPECIALIZE_TYPE_TRAITS_KEY_ALGORITHM(RsaHashedKeyAlgorithm, KeyAlgorithmClass::HRSA)
#endif // ENABLE(SUBTLE_CRYPTO)
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