Path: utzoo!utgpu!watserv1!watmath!att!bu.edu!snorkelwacker.mit.edu!apple!agate!shelby!rutgers!netnews.upenn.edu!vax1.cc.lehigh.edu!cert.sei.cmu.edu!krvw From: millerje@holst.tmc.edu (jeffrey scott miller) Newsgroups: comp.virus Subject: Re: Trojan Warning (PC) Message-ID: <0010.9011291846.AA10418@ubu.cert.sei.cmu.edu> Date: 29 Nov 90 02:15:09 GMT Sender: Virus Discussion List Lines: 22 Approved: krvw@sei.cmu.edu oper1%drcv06.decnet@drcvax.af.mil (DRCV06::OPER1) writes: >keithm@ashtate.A-T.COM (Keith Mund) writes: > [about buyin direct...] > > One way of insuring that the SCAN or F-PROT programs are >legitamate is for the authors to ZIP their program with the -AV >(Authenticate Verification) switch on. That way if the programs were >modified PKUNZIP would tell you. It would also be a way for users to >know that the ZIP file came straight from the author and hasn't been >modified in any way. > >Glenn. yes and no. As I remember, there was a PKZIP1.2 (or was it 1.1) that had come out with was a bogus version, and yet whoever hacked it was able to retain the AV verification.. _____________________________________________________________________________ | | | "NUKE THE UNBORN GAY WHALES!" | Jeff Miller | | - graffiti | millerje@handel.CS.ColoState.Edu | |_____________________________________________________________________________|