I'm working on a random noise sampling device for DOS, and so far have a prototype version that samples the keyboard timings. I'm unsure of a good way to implement it... Device timings (and in the future periodic samplings of the mouse position or sound-card noise input) are put into a ring-buffer of raw data and the output is a straight secure hash of it... (when the output buffer is used it, it just rehashes the data in the buffer at the moment...) I'm looking for some advice on how to determine when the raw data has been "used up" and worth processing/encrypting before re-hashing it... This in mind, offers for eventual beta-testers (annnouncement will follow when it's ready), or suggestions for features (what to sample, device interfaces) would be helpful. Thanks in advance, Rob <wlkngowl@unix.asb.com>