Revert of Remove code interfacing legacy openssl.

webrtc/base/opensslidentity.cc

 /*
  *  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.
  */
 
@@ skipping 156 matching lines @@
 OpenSSLKeyPair::~OpenSSLKeyPair() {
   EVP_PKEY_free(pkey_);
 }
 
 OpenSSLKeyPair* OpenSSLKeyPair::GetReference() {
   AddReference();
   return new OpenSSLKeyPair(pkey_);
 }
 
 void OpenSSLKeyPair::AddReference() {
+#if defined(OPENSSL_IS_BORINGSSL)
   EVP_PKEY_up_ref(pkey_);
+#else
+  CRYPTO_add(&pkey_->references, 1, CRYPTO_LOCK_EVP_PKEY);
+#endif
 }
 
 #if !defined(NDEBUG)
 // Print a certificate to the log, for debugging.
 static void PrintCert(X509* x509) {
   BIO* temp_memory_bio = BIO_new(BIO_s_mem());
   if (!temp_memory_bio) {
     LOG_F(LS_ERROR) << "Failed to allocate temporary memory bio";
     return;
   }
@@ skipping 162 matching lines @@
     FATAL() << "unreachable code";
   }
   char* data;
   size_t length = BIO_get_mem_data(bio, &data);
   der_buffer->SetData(data, length);
   BIO_free(bio);
 }
 
 void OpenSSLCertificate::AddReference() const {
   ASSERT(x509_ != NULL);
+#if defined(OPENSSL_IS_BORINGSSL)
   X509_up_ref(x509_);
+#else
+  CRYPTO_add(&x509_->references, 1, CRYPTO_LOCK_X509);
+#endif
 }
 
 // Documented in sslidentity.h.
 int64_t OpenSSLCertificate::CertificateExpirationTime() const {
   ASN1_TIME* expire_time = X509_get_notAfter(x509_);
   bool long_format;
 
   if (expire_time->type == V_ASN1_UTCTIME) {
     long_format = false;
   } else if (expire_time->type == V_ASN1_GENERALIZEDTIME) {
@@ skipping 90 matching lines @@
      SSL_CTX_use_PrivateKey(ctx, key_pair_->pkey()) != 1) {
     LogSSLErrors("Configuring key and certificate");
     return false;
   }
   return true;
 }
 
 }  // namespace rtc
 
 #endif  // HAVE_OPENSSL_SSL_H