Basic constructor. Initializes the internal state with a 128-bit key, split into two 64-bit parts - the low-order and high-order parts of the key.
key0 = low part of key. key1 = high part of key.
See Implementation
Basic constructor. Initializes the internal state with a 128-bit key, split into two 64-bit parts - the low-order and high-order parts of the key.