Xref: utzoo alt.flame:1618 news.admin:1579 Path: utzoo!hoptoad!ptsfa!ames!hc!beta!unm-la!unmvax!nmtsun!caasnsr From: caasnsr@nmtsun.nmt.edu (Clifford Adams) Newsgroups: alt.flame,news.admin Subject: Re: Forgeries Message-ID: <1368@nmtsun.nmt.edu> Date: 9 Feb 88 03:53:17 GMT Reply-To: caasnsr@nmtsun.nmt.edu (Clifford Adams) Distribution: usa Organization: New Mexico Tech, Socorro Lines: 21 In article <8802080327.AA02920@jiff> gsmith@brahms.BERKELEY.EDU () writes: > > If anyone feels strongly enough about protection against >forgeries, one system which does not involve any fixes by anyone >but the user himself is to post a large number which is the >product of two large enough (say, ~10^30) primes or pseudoprimes. A very good try. But this method can have a vicious flaw. What if the forger is the first one to post the number? He can then claim that the real user is the one posting all the forgeries. And he will have proof, if others believe in the method. > ucbvax!brahms!gsmith Gene Ward Smith/Brahms Gang/Berkeley CA 94720 Please send replies by mail, as I don't often read this newsgroup. -- Clifford Adams --- " I understand only inasmuch as I become... " ...{cmcl2, ihnp4}!lanl!unm-la!unmvax!nmtsun!caasnsr ...gemini!crunch!unmvax!nmtsun!caasnsr