At 10.34 1995-12-28 -0500, Arley Carter wrote: >Do you think they believed this was the original OTP? ;-) No, if you *publish* the OTP in a book it's no longer OTP, right? Oh, by the way, I noticed there was a note about shift registers in the data book 95/96 on page 3-52. (appendix C, SQTP for PIC16C5X/5XA) Microchip states that they generate *truly* random numbers for serial numbers in their SQTP prog.spec. How? -- Conny