static void RijndaelDecrypt(string data, string passPhrase, string saltValue, string initializationValue, bool showHelp)
{
if (showHelp)
{
List <Parameter> parms = new List <Parameter>
{
new Parameter {
Key = "data", Type = typeof(string), HelpText = "Text to decrypt"
},
new Parameter {
Key = "pass", Type = typeof(string), HelpText = "Pass phrase"
},
new Parameter {
Key = "salt", Type = typeof(string), HelpText = "Salt value"
},
new Parameter {
Key = "iv", Type = typeof(string), HelpText = "Initialization vector"
}
};
ConsoleColor defaultColor = Console.ForegroundColor;
Console_WriteLine($"Parameter options for Rijndael decrypt:\r\n", ConsoleColor.Green);
WriteMethodParametersHelp(parms);
Console.ForegroundColor = defaultColor;
}
else
{
Console.WriteLine("Decrypting data using Rijndael algorithm.\r\n");
Console.WriteLine(RijndaelHelpers.Decrypt(data, passPhrase, saltValue, initializationValue));
}
}
public void Decrypt_NullInputs()
{
Assert.Throws <ArgumentNullException>(() => RijndaelHelpers.Decrypt(null, null, null, null));
Assert.Throws <ArgumentNullException>(() => RijndaelHelpers.Decrypt(_encryptedString, null, null, null));
Assert.Throws <ArgumentNullException>(() => RijndaelHelpers.Decrypt(_encryptedString, _passPhrase, null, null));
Assert.Throws <ArgumentNullException>(() => RijndaelHelpers.Decrypt(_encryptedString, _passPhrase, _saltValue, null));
}
public void EncryptDecrypt()
{
string _encryptedText = RijndaelHelpers.Encrypt(_plaintext, _passPhrase, _saltValue, _iv);
Assert.IsNotEmpty(_encryptedText);
Assert.AreEqual(_plaintext, RijndaelHelpers.Decrypt(_encryptedText, _passPhrase, _saltValue, _iv));
// test with non base64 string
Assert.Throws <FormatException>(() => RijndaelHelpers.Decrypt(_encryptedText + "x", _passPhrase, _saltValue, _iv));
}
public void Decrypt_InvalidIV()
{
Assert.Throws <CryptographicException>(() => RijndaelHelpers.Decrypt(_encryptedString, _passPhrase, _saltValue, "IV"));
}
public void Decrypt_InvalidCipherText()
{
Assert.Throws <FormatException>(() => RijndaelHelpers.Decrypt("abc", "PassPhrase", "SaltValue", "IV"));
}