/// <summary>
/// Initializes the key.
/// </summary>
/// <param name="key">The key.</param>
private void InitializeKey(byte[] key)
{
if (key == null)
{
throw new ArgumentNullException("key", "The Key cannot be null.");
}
if (key.Length > BLOCK_SIZE)
{
this.m_Key = Md5.GetHash(key);
}
else
{
this.m_Key = key;
}
this.UpdateIOPadBuffers();
}