Replace EVP_PKEY_dup calls with EVP_PKEY_up_ref.

crypto/rsa_private_key_openssl.cc

 // Copyright (c) 2011 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.
 
 #include "crypto/rsa_private_key.h"
 
 #include <openssl/bio.h>
 #include <openssl/bn.h>
 #include <openssl/evp.h>
 #include <openssl/pkcs12.h>
@@ skipping 85 matching lines @@
 
   return result.release();
 }
 
 // static
 RSAPrivateKey* RSAPrivateKey::CreateFromKey(EVP_PKEY* key) {
   DCHECK(key);
   if (EVP_PKEY_type(key->type) != EVP_PKEY_RSA)
     return NULL;
   RSAPrivateKey* copy = new RSAPrivateKey();
-  copy->key_ = EVP_PKEY_dup(key);
+  copy->key_ = EVP_PKEY_up_ref(key);
   return copy;
 }
 
 RSAPrivateKey::RSAPrivateKey()
     : key_(NULL) {
 }
 
 RSAPrivateKey::~RSAPrivateKey() {
   if (key_)
     EVP_PKEY_free(key_);
@@ skipping 12 matching lines @@
 
 bool RSAPrivateKey::ExportPrivateKey(std::vector<uint8>* output) const {
   return ExportKey(key_, i2d_PKCS8PrivateKeyInfo_bio, output);
 }
 
 bool RSAPrivateKey::ExportPublicKey(std::vector<uint8>* output) const {
   return ExportKey(key_, i2d_PUBKEY_bio, output);
 }
 
 }  // namespace crypto