public static bool TestClear(Aes aes)
{
byte[] key = aes.Key;
byte[] IV = aes.IV;
try
{
aes.Clear();
// AESCSP will throw an ObjectDisposedException after class is used after Clear is called. This is reasonable behavior even though
// it's different than DESCSP, etc. If the class is still usable (ie the managed version) then make sure the key and IV are not
// the same.
//
if (CompareBytes(aes.Key, key))
{
Console.WriteLine("Error - key not reset after Clear");
return false;
}
if (CompareBytes(aes.IV, IV))
{
Console.WriteLine("Error - IV not reset after Clear");
return false;
}
}
catch (ObjectDisposedException)
{
}
return true;
}
