Implement AES-CTR for NSS.

crypto/encryptor_unittest.cc

Index: crypto/encryptor_unittest.cc
diff --git a/crypto/encryptor_unittest.cc b/crypto/encryptor_unittest.cc
index b916854a9d81e9b71cc51457bc4512dcdf1ae602..4fae84eb553d95cd67d3e2c51ce6f00ea40985a9 100644
--- a/crypto/encryptor_unittest.cc
+++ b/crypto/encryptor_unittest.cc
@@ -35,6 +35,30 @@ TEST(EncryptorTest, EncryptDecrypt) {
   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