Implement AES-CTR for NSS.

crypto/encryptor_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/encryptor.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
@@ skipping 17 matching lines @@
   EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
 
   EXPECT_LT(0U, ciphertext.size());
 
   std::string decypted;
   EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
 
   EXPECT_EQ(plaintext, decypted);
 }
 
+TEST(EncryptorTest, EncryptDecryptECB) {
+  scoped_ptr<crypto::SymmetricKey> key(
+      crypto::SymmetricKey::DeriveKeyFromPassword(
+          crypto::SymmetricKey::AES, "password", "saltiest", 1000, 128));
+  EXPECT_TRUE(NULL != key.get());
+
+  crypto::Encryptor encryptor;
+  // The IV must be exactly as long as the cipher block size.
+  std::string iv("the iv: 16 bytes");
+  EXPECT_EQ(16U, iv.size());
+  EXPECT_TRUE(encryptor.Init(key.get(), crypto::Encryptor::ECB, iv));

[Ryan Sleevi, 2011/05/23 05:55:04]

|iv| has no meaning in ECB mode.

+
+  std::string plaintext("normal plaintext");
+  std::string ciphertext;
+  EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
+
+  EXPECT_LT(0U, ciphertext.size());
+
+  std::string decypted;
+  EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
+
+  EXPECT_EQ(plaintext, decypted);
+}
+
 // TODO(wtc): add more known-answer tests.  Test vectors are available from
 // http://www.ietf.org/rfc/rfc3602
 // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
 // http://gladman.plushost.co.uk/oldsite/AES/index.php
 // http://csrc.nist.gov/groups/STM/cavp/documents/aes/KAT_AES.zip
 
 // NIST SP 800-38A test vector F.2.5 CBC-AES256.Encrypt.
 TEST(EncryptorTest, EncryptAES256CBC) {
   // From NIST SP 800-38a test cast F.2.5 CBC-AES256.Encrypt.
   static const unsigned char raw_key[] = {
@@ skipping 176 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 decrypted;
   EXPECT_FALSE(encryptor.Decrypt("", &decrypted));
   EXPECT_EQ("", decrypted);
 }