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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEBCRYPTO_OPENSSL_KEY_OPENSSL_H_
#define COMPONENTS_WEBCRYPTO_OPENSSL_KEY_OPENSSL_H_
#include <openssl/ossl_typ.h>
#include <stdint.h>
#include <vector>
#include "base/macros.h"
#include "crypto/scoped_openssl_types.h"
#include "third_party/WebKit/public/platform/WebCryptoKey.h"
namespace webcrypto {
class CryptoData;
class AsymKeyOpenSsl;
class SymKeyOpenSsl;
// Base key class for all OpenSSL keys, used to safely cast between types. Each
// key maintains a copy of its serialized form in either 'raw', 'pkcs8', or
// 'spki' format. This is to allow structured cloning of keys synchronously from
// the target Blink thread without having to lock access to the key.
class KeyOpenSsl : public blink::WebCryptoKeyHandle {
public:
explicit KeyOpenSsl(const CryptoData& serialized_key_data);
~KeyOpenSsl() override;
virtual SymKeyOpenSsl* AsSymKey();
virtual AsymKeyOpenSsl* AsAsymKey();
const std::vector<uint8_t>& serialized_key_data() const {
return serialized_key_data_;
}
private:
const std::vector<uint8_t> serialized_key_data_;
};
class SymKeyOpenSsl : public KeyOpenSsl {
public:
~SymKeyOpenSsl() override;
explicit SymKeyOpenSsl(const CryptoData& raw_key_data);
static SymKeyOpenSsl* Cast(const blink::WebCryptoKey& key);
SymKeyOpenSsl* AsSymKey() override;
const std::vector<uint8_t>& raw_key_data() const {
return serialized_key_data();
}
private:
DISALLOW_COPY_AND_ASSIGN(SymKeyOpenSsl);
};
class AsymKeyOpenSsl : public KeyOpenSsl {
public:
~AsymKeyOpenSsl() override;
AsymKeyOpenSsl(crypto::ScopedEVP_PKEY key,
const CryptoData& serialized_key_data);
static AsymKeyOpenSsl* Cast(const blink::WebCryptoKey& key);
AsymKeyOpenSsl* AsAsymKey() override;
EVP_PKEY* key() { return key_.get(); }
private:
crypto::ScopedEVP_PKEY key_;
DISALLOW_COPY_AND_ASSIGN(AsymKeyOpenSsl);
};
} // namespace webcrypto
#endif // COMPONENTS_WEBCRYPTO_OPENSSL_KEY_OPENSSL_H_
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