Paul Rubin wrote: > Paul Rubin <http://[EMAIL PROTECTED]> writes: >> the probability is about exp(-(2**60 / 2*2**160)) = 1/exp(2**101) > > Bah. Got that backwards and calculated wrong. The probability of no > collisions is > > exp(-(2**60) / (2*2**160)) = exp(-(2**-101)) = approx (1 - 2**-101) > > which is very close to 1. The probability of collision is about > 2**-101 which is close to 0. Proofread first, then post. I keep > getting that in the wrong order.
Right. The words "birthday attack" should have been in the back of your mind while you were writing that message. regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC/Ltd http://www.holdenweb.com Skype: holdenweb http://del.icio.us/steve.holden --------------- Asciimercial ------------------ Get on the web: Blog, lens and tag the Internet Many services currently offer free registration ----------- Thank You for Reading ------------- -- http://mail.python.org/mailman/listinfo/python-list
