public override void Initialize() {
_HashValue[0] = 0x67452301;
_HashValue[1] = 0xefcdab89;
_HashValue[2] = 0x98badcfe;
_HashValue[3] = 0x10325476;
_HashValue[4] = 0xc3d2e1f0;
_Length = 0;
_ProcessingBufferCount = 0;
Array.Clear (_X, 0, _X.Length);
Array.Clear (_ProcessingBuffer, 0, _ProcessingBuffer.Length);
}
/// <summary>