public void WhenByteArrayThenDecryptAfterEncryptShouldReturnSameData()
{
//Arrange
byte[] data = new byte[256];
Random random = new Random((int)DateTime.Now.Ticks);
random.NextBytes(data);
string password = "******";
string salt = "[email protected]";
//Act
byte[] encriptedData = SymmetricCryptoUtil.Encrypt(data, password, salt);
byte[] decriptedData = SymmetricCryptoUtil.Decrypt(encriptedData, password, salt);
//Assert
Assert.IsNotNull(encriptedData);
Assert.IsNotNull(decriptedData);
Assert.AreNotEqual(0, encriptedData.Length);
Assert.AreNotEqual(0, decriptedData.Length);
CollectionAssert.AreEqual(data, decriptedData);
CollectionAssert.AreNotEqual(encriptedData, data);
}
public void WhenTextThenDecryptAfterEncryptShouldReturnSameData()
{
//Arrange
string text = "This is a sample string with some diacritics: áâàâãç";
string password = "******";
string salt = "[email protected]";
//Act
var encriptedText = SymmetricCryptoUtil.EncryptText(text, password, salt);
var decriptedText = SymmetricCryptoUtil.DecryptText(encriptedText, password, salt);
//Assert
Assert.IsNotNull(encriptedText);
Assert.IsNotNull(decriptedText);
Assert.AreNotEqual(0, encriptedText.Length);
Assert.AreNotEqual(0, decriptedText.Length);
Assert.AreEqual(text, decriptedText);
Assert.AreNotEqual(encriptedText, text);
}
public void WhenSaltIsEmptyThenDecryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Decrypt(new byte[] { 10, 42 }, "some random password", string.Empty));
}
public void WhenPasswordIsNullThenDecryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Decrypt(new byte[] { 10, 42 }, null, "some random salt"));
}
public void WhenDataIsEmptyNullThenDecryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Decrypt(new byte[] { }, "some random password", "some random salt"));
}
public void WhenSaltIsNullThenEncryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Encrypt(new byte[] { 10, 42 }, "some random password", null));
}
public void WhenPasswordIsEmptyThenEncryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Encrypt(new byte[] { 10, 42 }, string.Empty, "some random salt"));
}
public void WhenDataIsNullThenEncryptShouldThrowArgumentNullException()
{
Assert.ThrowsException <ArgumentNullException>(() => SymmetricCryptoUtil.Encrypt(null, "some random password", "some random salt"));
}