Re: Is packages build without verifying the source package signatures?

From	Bastian Blank <waldi@debian.org>
Newsgroups	linux.debian.security
Subject	Re: Is packages build without verifying the source package signatures?
Date	2017-12-03 13:30 +0100
Message-ID	<uSBzb-7pb-9@gated-at.bofh.it> (permalink)
References	<uSdZT-P9-15@gated-at.bofh.it> <uSuel-2vs-1@gated-at.bofh.it> <uSA0p-6hP-3@gated-at.bofh.it> <uSAD7-6MP-3@gated-at.bofh.it> <uSAWu-6TZ-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Sun, Dec 03, 2017 at 11:40:31AM +0000, Holger Levsen wrote:
> On Sun, Dec 03, 2017 at 12:05:51PM +0100, Bastian Blank wrote:
> > > in practice, this also has obvious flaws.
> > Please elaborate.
> for a start: one only needs to compromise one machine instead of many...

It would still only need to compromise one machine: The one from where
the keys are handled and distributed.

> > >                                           what's the technical reason
> > > the buildds are not checking the signatures?
> > Unavailability of the keys.  Key may have been expired between upload
> > and build attempt.
> I'm not sure this is an advantage then... or rather: I'd rather see a
> requirement that keys used for signing are valid for at least another
> year after the upload.

Does not help.  Also people prefer not to have keys lying around that
are valid for this much time.

Bastian

-- 
Love sometimes expresses itself in sacrifice.
		-- Kirk, "Metamorphosis", stardate 3220.3

Thread

Is packages build without verifying the source package signatures? Davide Prina <davide.prina@gmail.com> - 2017-12-02 12:20 +0100
  Re: Is packages build without verifying the source package  signatures? "Adam D. Barratt" <adam@adam-barratt.org.uk> - 2017-12-02 13:50 +0100
  Re: Is packages build without verifying the source package signatures? Paul Wise <pabs@debian.org> - 2017-12-03 05:40 +0100
    Re: Is packages build without verifying the source package  signatures? Holger Levsen <holger@layer-acht.org> - 2017-12-03 11:50 +0100
      Re: Is packages build without verifying the source package  signatures? Bastian Blank <waldi@debian.org> - 2017-12-03 12:30 +0100
        Re: Is packages build without verifying the source package  signatures? Holger Levsen <holger@layer-acht.org> - 2017-12-03 12:50 +0100
          Re: Is packages build without verifying the source package  signatures? Bastian Blank <waldi@debian.org> - 2017-12-03 13:30 +0100
            Re: Is packages build without verifying the source package  signatures? Holger Levsen <holger@layer-acht.org> - 2017-12-03 14:00 +0100
          Re: Is packages build without verifying the source package  signatures? Clément Hermann <nodens@nodens.org> - 2017-12-04 01:20 +0100
    Re: Is packages build without verifying the source package  signatures? Kurt Roeckx <kurt@roeckx.be> - 2017-12-03 23:20 +0100

csiph-web