From: Melvin Carvalho <melvincarvalho@gmail•com>
To: Peter Todd <pete@petertodd•org>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Bitcoin2013 Speakers: Include your PGP fingerprint in your slides
Date: Tue, 14 May 2013 21:16:28 +0200 [thread overview]
Message-ID: <CAKaEYhKpDQJAqNuh0oddO1GmugfZAznGjk0sOdokqDAPWFibJQ@mail.gmail.com> (raw)
In-Reply-To: <20130514184120.GB18341@petertodd.org>
[-- Attachment #1: Type: text/plain, Size: 2916 bytes --]
On 14 May 2013 20:41, Peter Todd <pete@petertodd•org> wrote:
> report: https://bitcointalk.org/index.php?topic=205349.0
>
> Every talk will be widely witnessed and videotaped so we can get some
> reasonably good security by simply putting out PGP fingerprints in our
> slides. Yeah, some fancy attacker could change the videos after the
> fact, but the talks themselves will have wide audiences and a lot of
> opportunities for fraud to be discovered. That means it'd also be
> reasonable for people to sign those keys too if you are present and are
> convinced you aren't looking at some impostor. (of course, presenters,
> check that your PGP fingerprints are correct...)
>
>
> Remember that PGP depends on the web-of-trust. No single measure in a
> web-of-trust is needs to be absolutely perfect; it's the sum of the
> verifications that matter. I don't think it matters much if you have,
> say, seen Jeff Garzik's drivers license as much as it matters that you
> have seen him in a public place with dozens of witnesses that would
> recognize him and call out any attempt at fraud.
>
> Secondly remember that many of us are working on software where an
> attacker can steal from huge numbers of users at once if they manage to
> sneak some wallet stealing code in. We need better code signing
> practices, but they don't help without some way of being sure the keys
> signing the code are valid. SSL and certificate authorities have
> advantages, and so does the PGP WoT, so use both.
>
>
> FWIW I take this stuff pretty seriously myself. I generated my key
> securely in the first place, I use a hardware smartcard to store my PGP
> key, and I keep the master signing key - the key with the ability to
> sign other keys - separate from my day-to-day signing subkeys. I also
> PGP sign emails regularly, which means anyone can get a decent idea of
> if they have the right key by looking at bitcoin-development mailing
> list archives and checking the signatures. A truly dedicated attacker
> could probably sign something without my knowledge, but I've certainly
> raised the bar.
>
Just out of curiosity, could PGP keyservers suffer from a similar 51%
attack as the bitcoin network?
>
> --
> 'peter'[:-1]@petertodd.org
> 000000000000016be577c0f0ce4c04a05fdbfc8e0b6f69053659f32aeea3a518
>
>
> ------------------------------------------------------------------------------
> AlienVault Unified Security Management (USM) platform delivers complete
> security visibility with the essential security capabilities. Easily and
> efficiently configure, manage, and operate all of your security controls
> from a single console and one unified framework. Download a free trial.
> http://p.sf.net/sfu/alienvault_d2d
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists•sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
>
[-- Attachment #2: Type: text/html, Size: 3977 bytes --]
next prev parent reply other threads:[~2013-05-14 19:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-14 18:41 Peter Todd
2013-05-14 19:16 ` Melvin Carvalho [this message]
2013-05-14 19:31 ` Peter Todd
2013-05-14 19:39 ` Harald Schilly
2013-05-14 20:12 ` Adam Back
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAKaEYhKpDQJAqNuh0oddO1GmugfZAznGjk0sOdokqDAPWFibJQ@mail.gmail.com \
--to=melvincarvalho@gmail$(echo .)com \
--cc=bitcoin-development@lists$(echo .)sourceforge.net \
--cc=pete@petertodd$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox