Add RSAPrivateKey::CreateFromKeypair()

crypto/rsa_private_key_nss_unittest.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 <keyhi.h>
 #include <pk11pub.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "crypto/nss_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace crypto {
 
 class RSAPrivateKeyNSSTest : public testing::Test {
  public:
   RSAPrivateKeyNSSTest() {}
   virtual ~RSAPrivateKeyNSSTest() {}
 
   virtual void SetUp() {
 #if defined(OS_CHROMEOS)
     OpenPersistentNSSDB();
 #endif
   }
 
  private:
+  ScopedTestNSSDB test_nssdb_;
+
   DISALLOW_COPY_AND_ASSIGN(RSAPrivateKeyNSSTest);
 };
 
+TEST_F(RSAPrivateKeyNSSTest, CreateFromKeypairTest) {
+  scoped_ptr<crypto::RSAPrivateKey> key_pair(RSAPrivateKey::Create(256));
+
+  scoped_ptr<crypto::RSAPrivateKey> key_copy(
+      RSAPrivateKey::CreateFromKeypair(key_pair->key(),
+                                       key_pair->public_key()));
+  ASSERT_TRUE(key_copy.get());
+
+  std::vector<uint8> privkey;
+  std::vector<uint8> pubkey;
+  ASSERT_TRUE(key_pair->ExportPrivateKey(&privkey));
+  ASSERT_TRUE(key_pair->ExportPublicKey(&pubkey));
+
+  std::vector<uint8> privkey_copy;
+  std::vector<uint8> pubkey_copy;
+  ASSERT_TRUE(key_copy->ExportPrivateKey(&privkey_copy));
+  ASSERT_TRUE(key_copy->ExportPublicKey(&pubkey_copy));
+
+  ASSERT_EQ(privkey, privkey_copy);
+  ASSERT_EQ(pubkey, pubkey_copy);
+}
+
 TEST_F(RSAPrivateKeyNSSTest, FindFromPublicKey) {
   // Create a keypair, which will put the keys in the user's NSSDB.
   scoped_ptr<crypto::RSAPrivateKey> key_pair(RSAPrivateKey::Create(256));
 
   std::vector<uint8> public_key;
   ASSERT_TRUE(key_pair->ExportPublicKey(&public_key));
 
   scoped_ptr<crypto::RSAPrivateKey> key_pair_2(
       crypto::RSAPrivateKey::FindFromPublicKeyInfo(public_key));
 
@@ skipping 14 matching lines @@
   }
   if (key_pair->public_key_) {
     PK11_DestroyTokenObject(key_pair->public_key_->pkcs11Slot,
                             key_pair->public_key_->pkcs11ID);
   }
 
   EXPECT_EQ(NULL, crypto::RSAPrivateKey::FindFromPublicKeyInfo(public_key));
 }
 
 }  // namespace crypto