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/*
* Copyright 2020 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_BORINGSSL_IDENTITY_H_
#define RTC_BASE_BORINGSSL_IDENTITY_H_
#include <openssl/ossl_typ.h>
#include <ctime>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/boringssl_certificate.h"
#include "rtc_base/openssl_key_pair.h"
#include "rtc_base/ssl_certificate.h"
#include "rtc_base/ssl_identity.h"
namespace rtc {
// Holds a keypair and certificate together, and a method to generate them
// consistently. Uses CRYPTO_BUFFER instead of X509, which offers binary size
// and memory improvements.
class BoringSSLIdentity final : public SSLIdentity {
public:
static std::unique_ptr<BoringSSLIdentity> CreateWithExpiration(
absl::string_view common_name,
const KeyParams& key_params,
time_t certificate_lifetime);
static std::unique_ptr<BoringSSLIdentity> CreateForTest(
const SSLIdentityParams& params);
static std::unique_ptr<SSLIdentity> CreateFromPEMStrings(
absl::string_view private_key,
absl::string_view certificate);
static std::unique_ptr<SSLIdentity> CreateFromPEMChainStrings(
absl::string_view private_key,
absl::string_view certificate_chain);
~BoringSSLIdentity() override;
BoringSSLIdentity(const BoringSSLIdentity&) = delete;
BoringSSLIdentity& operator=(const BoringSSLIdentity&) = delete;
const BoringSSLCertificate& certificate() const override;
const SSLCertChain& cert_chain() const override;
// Configure an SSL context object to use our key and certificate.
bool ConfigureIdentity(SSL_CTX* ctx);
std::string PrivateKeyToPEMString() const override;
std::string PublicKeyToPEMString() const override;
bool operator==(const BoringSSLIdentity& other) const;
bool operator!=(const BoringSSLIdentity& other) const;
private:
BoringSSLIdentity(std::unique_ptr<OpenSSLKeyPair> key_pair,
std::unique_ptr<BoringSSLCertificate> certificate);
BoringSSLIdentity(std::unique_ptr<OpenSSLKeyPair> key_pair,
std::unique_ptr<SSLCertChain> cert_chain);
std::unique_ptr<SSLIdentity> CloneInternal() const override;
static std::unique_ptr<BoringSSLIdentity> CreateInternal(
const SSLIdentityParams& params);
std::unique_ptr<OpenSSLKeyPair> key_pair_;
std::unique_ptr<SSLCertChain> cert_chain_;
};
} // namespace rtc
#endif // RTC_BASE_BORINGSSL_IDENTITY_H_
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