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Groups > linux.debian.security > #5343

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

From Clément Hermann <nodens@nodens.org>
Newsgroups linux.debian.security
Subject Re: Is packages build without verifying the source package signatures?
Date 2017-12-04 01:20 +0100
Message-ID <uSMEh-66d-1@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>
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On 03/12/2017 12:40, 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...
> 
>>>                                           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.
> 

While I understand your reasoning, and I agree more checks are better, I
think keeping expired keys around is a bad idea. What if those keys are
compromised ? What about revocation ?


Cheers,

-- 
nodens

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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

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