[login_manager] Use keygen helper to generate owner key

nss_util.cc

 // Copyright (c) 2010 The Chromium OS 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 "login_manager/nss_util.h"
 
 #include <base/basictypes.h>
 #include <base/crypto/rsa_private_key.h>
 #include <base/crypto/signature_creator.h>
 #include <base/crypto/signature_verifier.h>
 #include <base/file_path.h>
 #include <base/logging.h>
 #include <base/nss_util.h>
 #include <base/scoped_ptr.h>
 #include <cros/chromeos_login.h>
-#include <glib/garray.h>
 
 namespace login_manager {
 ///////////////////////////////////////////////////////////////////////////
 // NssUtil
 
 // static
 NssUtil::Factory* NssUtil::factory_ = NULL;
 
 NssUtil::NssUtil() {}
 
@@ skipping 33 matching lines @@
 NssUtil* NssUtil::Create() {
   if (!factory_) {
     return new NssUtilImpl;
     base::EnsureNSSInit();
   } else {
     return factory_->CreateNssUtil();
   }
 }
 
 // static
-void NssUtil::KeyFromBuffer(const GArray* buf, std::vector<uint8>* out) {
-  out->resize(buf->len);
-  if (buf->len == 0)
+void NssUtil::KeyFromBuffer(const std::string& buf, std::vector<uint8>* out) {
+  out->resize(buf.length());
+  if (out->size() == 0)
     return;
-  memcpy(&(out->at(0)), buf->data, buf->len);
+  memcpy(&(out->at(0)), buf.c_str(), out->size());
 }
 
 // We're generating and using 2048-bit RSA keys.
 // static
 const uint16 NssUtilImpl::kKeySizeInBits = 2048;
 
 NssUtilImpl::NssUtilImpl() {}
 
 NssUtilImpl::~NssUtilImpl() {}
 
@@ skipping 47 matching lines @@
                        std::vector<uint8>* OUT_signature,
                        base::RSAPrivateKey* key) {
   scoped_ptr<base::SignatureCreator> signer(
       base::SignatureCreator::Create(key));
   if (!signer->Update(data, data_len))
     return false;
   return signer->Final(OUT_signature);
 }
 
 }  // namespace login_manager