From owner-freebsd-questions Wed Mar 18 04:33:46 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id EAA24787 for freebsd-questions-outgoing; Wed, 18 Mar 1998 04:33:46 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mailhost.tue.nl (mailhost.tue.nl [131.155.2.5]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA24782 for ; Wed, 18 Mar 1998 04:33:43 -0800 (PST) (envelope-from J.G.E.Backus@urc.tue.nl) Received: from asterix.urc.tue.nl [131.155.5.10] by mailhost.tue.nl (8.8.8) id NAA20728 (ESMTP). Wed, 18 Mar 1998 13:33:24 +0100 (MET) Received: from jbackus@localhost by asterix.urc.tue.nl (8.8.8) id NAA02842. Wed, 18 Mar 1998 13:33:21 +0100 (MET) Message-ID: <19980318133321.A23040@asterix.urc.tue.nl> Date: Wed, 18 Mar 1998 13:33:21 +0100 From: Jos Backus To: Martijn Koster Cc: Matthew Hunt , questions@FreeBSD.ORG Subject: Re: ssh and scp References: <350E6BC8.41C67EA6@wired.ctech.ac.za> <19980317130555.37679@mph124.rh.psu.edu> <19980318111124.A13158@asterix.urc.tue.nl> <19980318114401.64487@excite.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.90.9 In-Reply-To: <19980318114401.64487@excite.com>; from Martijn Koster on Wed, Mar 18, 1998 at 11:44:01AM +0000 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hello Martijn, On Wed, Mar 18, 1998 at 11:44:01AM +0000, Martijn Koster wrote: > > What prevents somebody from storing my public key in his ~/.ssh/identity.pub > > and logging into server as me? > > The fact that only _you_ have your private key (~/.ssh/identity), with > which you essentially prove the corresponding public key is yours. OK, this check is what I was missing in this picture. I wonder how this verification process works, though. If I have a person's public key, how can this person (using his private key) prove to me that it indeed is his? [Maybe we should take this thread out of -questions...] Thanks, -- Jos Backus _/ _/_/_/ "Reliability means never _/ _/ _/ having to say you're sorry." _/ _/_/_/ -- D. J. Bernstein _/ _/ _/ _/ jbackus@urc.tue.nl _/_/ _/_/_/ use Std::Disclaimer; To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message