On 1/10/10 10:10 AM, sascha wrote: >> Maybe clock the illegal state forward N ticks and check each of the ancestors >> less than N + 5 clocks away from that new forward state whether there is >> one that produces the same keystream. If i am correct and the 2 compatible >> states are "close together" then they could very well be found that way. >> >> > to be more precise: > isn't any illegal state necessarily a dead end ancestor of some followup > state
yes - forward clocking is always possible > and thus the sibling of a valid state? > > No, consider (second bit is clock bit) 111111111 011111111 111111111 which cannot be clocked back. Clocking forward and back will always hit on this single invalid state. M. _______________________________________________ A51 mailing list A51@lists.reflextor.com http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
