private void MacTest()
{
byte[] data = new byte[256];
byte[] hash = new byte[20];
for (int i = 0; i < 256; i++)
{
data[i] = (byte)i;
}
using (VMAC mac = new VMAC())
{
mac.Initialize(_key, _iv);
mac.BlockUpdate(data, 0, data.Length);
mac.DoFinal(hash, 0);
}
if (!Evaluate.AreEqual(_expected, hash))
{
throw new Exception("VMAC is not equal! Expected: " + HexConverter.ToString(_expected) + " Received: " + HexConverter.ToString(hash));
}
}
/// <summary>
/// Validates user inputs with the inputed MAC
/// </summary>
public void Validate(object obj = null)
{
try
{
if (VMAC != "")
{
byte[] userMAC = new byte[0];
if (vAscii)
{
// Converts ascii to byte array
userMAC = Encoding.ASCII.GetBytes(VMAC);
}
else if (vBase64)
{
// Converts base64 to byte array
userMAC = Convert.FromBase64String(VMAC);
}
else
{
// Converts hex string to byte array
string[] hexValuesSplit = VMAC.Split('-');
userMAC = new byte[hexValuesSplit.Length];
for (int i = 0; i < hexValuesSplit.Length; i++)
{
userMAC[i] = Convert.ToByte(hexValuesSplit[i], 16);
}
}
// Validates the inputed mac with the generated mac
Valid = hashing.Validate(hashed, userMAC);
}
}
catch
{
Valid = false;
}
}