private IEncryptor GetEncryptor(ICipher cipher)
{
if (cipher == null)
{
return(null);
}
switch (modesComboBox.Text)
{
case nameof(ECB):
return(new ECB(cipher, _padding));
case nameof(CBC):
return(new CBC(cipher, _padding, IV.GetRandom(cipher.BlockSize)));
default:
return(null);
}
}