public void PropertyKey_ValidKey_SetsKey()
{
byte[] key = SymmetricTestsHelper.CreateKey(64);
Symmetric symmetricHelper = new Symmetric();
symmetricHelper.Key = key;
Assert.AreEqual(key, symmetricHelper.Key);
}
public void Constructor_FullConstructorWithNullKey_Throws(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode)
{
string salt = SymmetricTestsHelper.DEFAULT_SALT;
byte[] iv = SymmetricTestsHelper.GetDefaultIV(mode);
byte[] key = null;
Symmetric symmetricHelper = new Symmetric(mode, salt, iv, key);
}
public void Constructor_FullConstructorWithEmptyIV_Throws(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode,
[Values(64, 128, 48, 192)] int keySize)
{
string salt = SymmetricTestsHelper.DEFAULT_SALT;
byte[] iv = new byte[] { };
byte[] key = SymmetricTestsHelper.CreateKey(keySize);
Symmetric symmetricHelper = new Symmetric(mode, salt, iv, key);
}
public void Constructor_FullConstructorWithEmptySalt_Throws(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode,
[Values(64, 128, 48, 192)] int keySize)
{
string salt = String.Empty;
byte[] iv = SymmetricTestsHelper.GetDefaultIV(mode);
byte[] key = SymmetricTestsHelper.CreateKey(keySize);
Symmetric symmetricHelper = new Symmetric(mode, salt, iv, key);
}
public void Constructor_FullConstructorWithInvalidKeyLength_Throws(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode,
[Values(16, 1024)] int keySize)
{
string salt = SymmetricTestsHelper.DEFAULT_SALT;
byte[] iv = SymmetricTestsHelper.GetDefaultIV(mode);
byte[] key = SymmetricTestsHelper.CreateKey(keySize);
Symmetric symmetricHelper = new Symmetric(mode, salt, iv, key);
}
public void PropertyIV_DefaultIV_ChangesKeyAndIV(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode)
{
byte[] newIV = SymmetricTestsHelper.GetDefaultIV(mode);
Symmetric symmetricHelper = new Symmetric(mode);
byte[] oldIV = symmetricHelper.IV;
byte[] oldKey = symmetricHelper.Key;
symmetricHelper.IV = newIV;
Assert.AreNotEqual(oldIV, symmetricHelper.IV);
Assert.AreNotEqual(oldKey, symmetricHelper.Key);
}
public void Decrypt_WithEmptyString_ReturnsEmptyString(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode)
{
string secret = String.Empty;
Symmetric symmetricHelper = new Symmetric(mode);
symmetricHelper.Salt = SymmetricTestsHelper.DEFAULT_SALT;
symmetricHelper.IV = SymmetricTestsHelper.GetDefaultIV(mode);
symmetricHelper.Key = SymmetricTestsHelper.GetDefaultKey(mode);
string actual = symmetricHelper.Decrypt(secret);
Assert.IsNullOrEmpty(actual);
}
public void Decrypt_WithDefaultSecretString_ReturnsEmptyString(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode)
{
string secret = SymmetricTestsHelper.GetDefaultSecretString(mode);
string expected = SymmetricTestsHelper.DEFAULT_MESSAGE;
Symmetric symmetricHelper = new Symmetric(mode);
symmetricHelper.Salt = SymmetricTestsHelper.DEFAULT_SALT;
symmetricHelper.IV = SymmetricTestsHelper.GetDefaultIV(mode);
symmetricHelper.Key = SymmetricTestsHelper.GetDefaultKey(mode);
string actual = symmetricHelper.Decrypt(secret);
Assert.AreEqual(expected, actual);
}
public void EncryptToString_WithMessage_ReturnsSecret(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode)
{
string message = SymmetricTestsHelper.DEFAULT_MESSAGE;
string expected = SymmetricTestsHelper.GetDefaultSecretString(mode);
Symmetric symmetricHelper = new Symmetric(mode);
symmetricHelper.Salt = SymmetricTestsHelper.DEFAULT_SALT;
symmetricHelper.IV = SymmetricTestsHelper.GetDefaultIV(mode);
symmetricHelper.Key = SymmetricTestsHelper.GetDefaultKey(mode);
string actual = symmetricHelper.EncryptToString(message);
Assert.AreEqual(expected, actual);
}
public void Constructor_FullConstructorWithValidParameters_InitializesWithSaltKeyAndIV(
[Values(Algorithm.DES, Algorithm.TripleDES, Algorithm.RC2, Algorithm.Rijndael)] Algorithm mode,
[Values(64, 128, 48, 192)] int keySize)
{
string salt = SymmetricTestsHelper.DEFAULT_SALT;
byte[] iv = SymmetricTestsHelper.GetDefaultIV(mode);
byte[] key = SymmetricTestsHelper.CreateKey(keySize);
Symmetric symmetricHelper = new Symmetric(mode, salt, iv, key);
Assert.AreEqual(mode, symmetricHelper.Mode);
Assert.AreEqual(keySize, symmetricHelper.KeySize);
Assert.AreEqual(salt, symmetricHelper.Salt);
Assert.AreEqual(key, symmetricHelper.Key);
Assert.AreEqual(iv, symmetricHelper.IV);
}
public void PropertyKey_KeyWithInvalidLength_Throws([Values(16, 1024)] int keySize)
{
Symmetric symmetricHelper = new Symmetric();
symmetricHelper.Key = SymmetricTestsHelper.CreateKey(keySize);
}
