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/*
* Copyright 2004 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_OPENSSLIDENTITY_H_
#define RTC_BASE_OPENSSLIDENTITY_H_
#include <openssl/base.h> // for EVP_PKEY, ssl_ctx_st
#include <ctime> // for time_t
#include <memory> // for unique_ptr
#include <string>
#include "rtc_base/checks.h" // for RTC_DCHECK
#include "rtc_base/constructormagic.h" // for RTC_DISALLOW_COPY_AND_ASSIGN
#include "rtc_base/opensslcertificate.h" // for OpenSSLCertificate
#include "rtc_base/sslcertificate.h" // for SSLCertChain
#include "rtc_base/sslidentity.h" // for SSLIdentity, KeyParams, SSL...
typedef struct ssl_ctx_st SSL_CTX;
namespace rtc {
// OpenSSLKeyPair encapsulates an OpenSSL EVP_PKEY* keypair object,
// which is reference counted inside the OpenSSL library.
class OpenSSLKeyPair {
public:
explicit OpenSSLKeyPair(EVP_PKEY* pkey) : pkey_(pkey) {
RTC_DCHECK(pkey_ != nullptr);
}
static OpenSSLKeyPair* Generate(const KeyParams& key_params);
// Constructs a key pair from the private key PEM string. This must not result
// in missing public key parameters. Returns null on error.
static OpenSSLKeyPair* FromPrivateKeyPEMString(const std::string& pem_string);
virtual ~OpenSSLKeyPair();
virtual OpenSSLKeyPair* GetReference();
EVP_PKEY* pkey() const { return pkey_; }
std::string PrivateKeyToPEMString() const;
std::string PublicKeyToPEMString() const;
bool operator==(const OpenSSLKeyPair& other) const;
bool operator!=(const OpenSSLKeyPair& other) const;
private:
void AddReference();
EVP_PKEY* pkey_;
RTC_DISALLOW_COPY_AND_ASSIGN(OpenSSLKeyPair);
};
// Holds a keypair and certificate together, and a method to generate
// them consistently.
class OpenSSLIdentity : public SSLIdentity {
public:
static OpenSSLIdentity* GenerateWithExpiration(const std::string& common_name,
const KeyParams& key_params,
time_t certificate_lifetime);
static OpenSSLIdentity* GenerateForTest(const SSLIdentityParams& params);
static SSLIdentity* FromPEMStrings(const std::string& private_key,
const std::string& certificate);
static SSLIdentity* FromPEMChainStrings(const std::string& private_key,
const std::string& certificate_chain);
~OpenSSLIdentity() override;
const OpenSSLCertificate& certificate() const override;
const SSLCertChain& cert_chain() const override;
OpenSSLIdentity* GetReference() 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 OpenSSLIdentity& other) const;
bool operator!=(const OpenSSLIdentity& other) const;
private:
OpenSSLIdentity(std::unique_ptr<OpenSSLKeyPair> key_pair,
std::unique_ptr<OpenSSLCertificate> certificate);
OpenSSLIdentity(std::unique_ptr<OpenSSLKeyPair> key_pair,
std::unique_ptr<SSLCertChain> cert_chain);
static OpenSSLIdentity* GenerateInternal(const SSLIdentityParams& params);
std::unique_ptr<OpenSSLKeyPair> key_pair_;
std::unique_ptr<SSLCertChain> cert_chain_;
RTC_DISALLOW_COPY_AND_ASSIGN(OpenSSLIdentity);
};
} // namespace rtc
#endif // RTC_BASE_OPENSSLIDENTITY_H_