public void Init(ICipherParameters parameters)
{
if (parameters is KeyParameter)
{
this.cipher.Init(true, parameters);
this.L = new byte[this.ZEROES.Length];
this.cipher.ProcessBlock(this.ZEROES, 0, this.L, 0);
this.Lu = CMac.DoubleLu(this.L);
this.Lu2 = CMac.DoubleLu(this.Lu);
}
else if (parameters != null)
{
throw new ArgumentException("CMac mode only permits key to be set.", "parameters");
}
this.Reset();
}
