private void CopyIn(SkeinEngine engine)
{
ubi.Reset(engine.ubi);
chain = Arrays.Clone(engine.chain, chain);
initialState = Arrays.Clone(engine.initialState, initialState);
key = Arrays.Clone(engine.key, key);
preMessageParameters = Clone(engine.preMessageParameters, preMessageParameters);
postMessageParameters = Clone(engine.postMessageParameters, postMessageParameters);
}