public void TestTripleDESEncryption()
{
SifEncryption encr =
SifEncryption.GetInstance(PasswordAlgorithm.TRIPLEDES, "SECRET_192_BIT_KEY", f192BitKey);
AssertEncryption(encr, DEFAULT_ENCRYPTED_STRING);
}
public void TestClearTextEncryption()
{
SifEncryption encr = SifEncryption.GetInstance(PasswordAlgorithm.BASE64, "Base64", null);
Assert.AreEqual(string.Empty, encr.KeyName, "Encrytor should have an empty keyName");
AuthenticationInfo info = AssertEncryption(encr, DEFAULT_ENCRYPTED_STRING);
Assert.AreEqual(string.Empty, info.PasswordList.ItemAt(0).KeyName,
"Password/@KeyName should have an empty value");
}
/// <summary>
/// Tests the SifEncryption Class using clear text encryption
/// </summary>
//[Test, Explicit]
//public void TestRSAEncryption()
//{
// // This test is not currently run with the full suite of tests because support for RSA encryption is
// // not implemented in the ADK
// SifEncryption encr = SifEncryption.GetInstance(PasswordAlgorithm.RSA, "SECRET_KEY_RSA", null);
// AssertEncryption(encr, DEFAULT_ENCRYPTED_STRING);
//}
/// <summary>
/// Asserts that the password is encrypted and decrypted properly and returns the AuthenticationInfo
/// object that was produced in test for further assertions, if necessary
/// </summary>
/// <param name="encryptor"></param>
/// <param name="passwordText"></param>
/// <returns></returns>
private AuthenticationInfo AssertEncryption(SifEncryption encryptor, string passwordText)
{
AuthenticationInfo returnValue = null;
Authentication auth = CreateAuthentication();
AuthenticationInfo inf = auth.AuthenticationInfo;
inf.PasswordList = new PasswordList();
inf.PasswordList.Add(new Password());
// Encrypt the password
encryptor.WritePassword(inf.PasswordList.ItemAt(0), passwordText);
// Write the object to and and read from xml to assure that the values are being persisted properly
Authentication reparsedAuth =
(Authentication)AdkObjectParseHelper.WriteParseAndReturn(auth, Adk.SifVersion);
returnValue = reparsedAuth.AuthenticationInfo;
SifEncryption decryptor =
SifEncryption.GetInstance(PasswordAlgorithm.Wrap(returnValue.PasswordList.ItemAt(0).Algorithm),
encryptor.KeyName, encryptor.Key);
string decryptedValue = decryptor.ReadPassword(returnValue.PasswordList.ItemAt(0));
if (encryptor.IsHash)
{
// Assert that the decrypted value is the same as the AuthenticationInfoPassword's text value
Assert.AreEqual(returnValue.PasswordList.ItemAt(0).TextValue, decryptedValue,
"Hashed implementation of ReadPassword() should return the Base64 value");
// Assert that the hash is correct
HashAlgorithm hasher = null;
if (returnValue.PasswordList.ItemAt(0).Algorithm == PasswordAlgorithm.SHA1.Value)
{
hasher = new SHA1CryptoServiceProvider();
}
else if (returnValue.PasswordList.ItemAt(0).Algorithm == PasswordAlgorithm.MD5.Value)
{
hasher = new MD5CryptoServiceProvider();
}
byte[] preHashed = Encoding.UTF8.GetBytes(passwordText);
byte[] hashed = hasher.ComputeHash(preHashed);
string textHash = Convert.ToBase64String(hashed);
((IDisposable)hasher).Dispose();
Assert.AreEqual(textHash, decryptedValue, "Hash values do not match");
}
else
{
Assert.AreEqual(passwordText, decryptedValue, "Decypted value differs from original value.");
}
return(returnValue);
}
public void TestRC2Encryption()
{
SifEncryption encr = SifEncryption.GetInstance(PasswordAlgorithm.RC2, "SECRET_128_BIT_KEY", f128BitKey);
AssertEncryption(encr, DEFAULT_ENCRYPTED_STRING);
}
public void TestDESEncryption()
{
SifEncryption encr = SifEncryption.GetInstance(PasswordAlgorithm.DES, "SECRET_64_BIT_KEY", f64BitKey);
AssertEncryption(encr, DEFAULT_ENCRYPTED_STRING);
}
