Use NSS for symmetric key crypto operations on Windows and Mac.

crypto/encryptor_unittest.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 "crypto/encryptor.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
@@ skipping 74 matching lines @@
   }
 
   std::string decypted;
 
   // This wrong key causes the last padding byte to be 5, which is a valid
   // padding length, and the second to last padding byte to be 137, which is
   // invalid.  If an implementation simply uses the last padding byte to
   // determine the padding length without checking every padding byte,
   // Encryptor::Decrypt() will still return true.  This is the case for NSS
   // (crbug.com/124434) and Mac OS X 10.7 (crbug.com/127586).
-#if !defined(USE_NSS)
+#if !defined(USE_NSS) && !defined(OS_WIN) && !defined(OS_MACOSX)
   crypto::Encryptor decryptor;
   EXPECT_TRUE(decryptor.Init(wrong_key.get(), crypto::Encryptor::CBC, iv));
   EXPECT_FALSE(decryptor.Decrypt(ciphertext, &decypted));
 #endif
 
   // This demonstrates that not all wrong keys can be detected by padding
   // error. This wrong key causes the last padding byte to be 1, which is
   // a valid padding block of length 1.
   crypto::Encryptor decryptor2;
   EXPECT_TRUE(decryptor2.Init(wrong_key2.get(), crypto::Encryptor::CBC, iv));
@@ skipping 245 matching lines @@
   crypto::Encryptor encryptor;
   // The IV must be exactly as long a the cipher block size.
   EXPECT_EQ(16U, iv.size());
   EXPECT_TRUE(encryptor.Init(sym_key.get(), crypto::Encryptor::CBC, iv));
 
   std::string ciphertext;
   EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
   EXPECT_EQ(expected_ciphertext_hex, base::HexEncode(ciphertext.data(),
                                                      ciphertext.size()));
 }