Repo created

TMessagesProj/jni/voip/webrtc/rtc_base/openssl_key_pair.h

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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_OPENSSL_KEY_PAIR_H_
+#define RTC_BASE_OPENSSL_KEY_PAIR_H_
+
+#include <openssl/ossl_typ.h>
+
+#include <memory>
+#include <string>
+
+#include "absl/strings/string_view.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/ssl_identity.h"
+
+namespace rtc {
+
+// OpenSSLKeyPair encapsulates an OpenSSL EVP_PKEY* keypair object,
+// which is reference counted inside the OpenSSL library.
+class OpenSSLKeyPair final {
+ public:
+  // Takes ownership of the key.
+  explicit OpenSSLKeyPair(EVP_PKEY* pkey) : pkey_(pkey) {
+    RTC_DCHECK(pkey_ != nullptr);
+  }
+
+  static std::unique_ptr<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 std::unique_ptr<OpenSSLKeyPair> FromPrivateKeyPEMString(
+      absl::string_view pem_string);
+
+  ~OpenSSLKeyPair();
+
+  OpenSSLKeyPair(const OpenSSLKeyPair&) = delete;
+  OpenSSLKeyPair& operator=(const OpenSSLKeyPair&) = delete;
+
+  std::unique_ptr<OpenSSLKeyPair> Clone();
+
+  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_;
+};
+
+}  // namespace rtc
+
+#endif  // RTC_BASE_OPENSSL_KEY_PAIR_H_