Re: trust paths

2015-03-02 Thread Johan Wevers
On 01-03-2015 13:27, Jonathan Schleifer wrote: You are assuming it will be spoofed for everyone. It could just be spoofed for you. Anybody who can MITM you and give you a fake SSL cert that you accept Well, perhaps they could if the ONLY way I communicated wit someone would be electronically.

Re: trust paths

2015-03-01 Thread Jonathan Schleifer
Am 28.02.2015 um 19:15 schrieb Johan Wevers joh...@vulcan.xs4all.nl I'm not talking about mathematically proving something. After all, a government agency could make a false key with Werner Koch's name on it and send someone who looks like him with real ID documents to a keysigning party.

Re: trust paths

2015-02-28 Thread Johan Wevers
On 27-02-2015 22:30, Christoph Anton Mitterer wrote: I meant in the sense that I want to trust e.g. Werner's key but haven't met him in person yet,... but I might have an indirect trustpath to him via some other persons (which I do trust). Obviously I'll need any intermediate keys (and enough

Re: trust paths

2015-02-28 Thread Johan Wevers
On 28-02-2015 18:56, Christoph Anton Mitterer wrote: I'm not sure but I fear you have some deep misunderstanding of cryptography... I'm not talking about mathematically proving something. After all, a government agency could make a false key with Werner Koch's name on it and send someone who

Re: trust paths

2015-02-28 Thread Christoph Anton Mitterer
On Sat, 2015-02-28 at 18:39 +0100, Johan Wevers wrote: OR, in case a key belongs to a well-known person, you've seen it mentioned in enough places and seen it used to sign gpg packages to be rather certain that if it were a forgery someone would have noticed by now and made noise about it.

Re: trust paths (was: German ct magazine postulates death of pgp encryption)

2015-02-27 Thread Hauke Laging
Am Fr 27.02.2015, 21:25:40 schrieb Christoph Anton Mitterer: On Fri, 2015-02-27 at 21:12 +0100, Andreas Schwier wrote: So what exactly is the purpose of the keyserver then ? Find trust paths What could that be good for? If you do not make very strange assumptions that could be of any use

Re: trust paths (was: German ct magazine postulates death of pgp encryption)

2015-02-27 Thread Christoph Anton Mitterer
On Fri, 2015-02-27 at 22:25 +0100, Hauke Laging wrote: Find trust paths What could that be good for? If you do not make very strange assumptions that could be of any use only if you assign certification trust to unknown keys which would be completely crazy. I meant in the sense that I

Re: trust paths

2015-02-27 Thread Hauke Laging
Am Fr 27.02.2015, 22:30:41 schrieb Christoph Anton Mitterer: Obviously I'll need any intermediate keys (and enough of them that I personally decide it's trustworthy). Once more we see the term that confuses nearly everyone: You personally decide to trust a key – for it's certifications. That