Remove platform-specific implementations of RSAPrivateKey and SignatureCreator

remoting/base/rsa_key_pair.cc

 // Copyright (c) 2012 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 "remoting/base/rsa_key_pair.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/rand_util.h"
 #include "base/time.h"
 #include "crypto/rsa_private_key.h"
 #include "crypto/signature_creator.h"
-#include "net/cert/x509_certificate.h"
+#include "net/cert/x509_util.h"
 
 namespace remoting {
 
 RsaKeyPair::RsaKeyPair(scoped_ptr<crypto::RSAPrivateKey> key)
     : key_(key.Pass()){
   DCHECK(key_);
 }
 
 RsaKeyPair::~RsaKeyPair() {}
 
@@ skipping 57 matching lines @@
                             message.length());
   std::vector<uint8> signature_buf;
   signature_creator->Final(&signature_buf);
   std::string signature_str(signature_buf.begin(), signature_buf.end());
   std::string signature_base64;
   base::Base64Encode(signature_str, &signature_base64);
   return signature_base64;
 }
 
 std::string RsaKeyPair::GenerateCertificate() const {
-  scoped_refptr<net::X509Certificate> cert =
-      net::X509Certificate::CreateSelfSigned(
-          key_.get(), "CN=chromoting",
-          base::RandInt(1, std::numeric_limits<int>::max()),
-          base::TimeDelta::FromDays(1));
-  if (!cert.get())
-    return std::string();
-
-  std::string encoded;
-  bool result = net::X509Certificate::GetDEREncoded(cert->os_cert_handle(),
-                                                    &encoded);
-  CHECK(result);
-  return encoded;
+  std::string der_cert;
+  net::x509_util::CreateSelfSignedCert(
+      key_.get(),
+      "CN=chromoting",
+      base::RandInt(1, std::numeric_limits<int>::max()),
+      base::Time::Now(),
+      base::Time::Now() + base::TimeDelta::FromDays(1),
+      &der_cert);
+  return der_cert;
 }
 
 }  // namespace remoting