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Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages]

From Ian Jackson <ijackson@chiark.greenend.org.uk>
Newsgroups linux.debian.bugs.dist
Subject Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages]
Date 2026-02-02 20:30 +0100
Message-ID <Mk7Mt-ffOT-1@gated-at.bofh.it> (permalink)
References (1 earlier) <MjHoZ-eYo4-9@gated-at.bofh.it> <MjIO5-eZ9E-27@gated-at.bofh.it> <MjIO5-eZ9E-33@gated-at.bofh.it> <MjHfj-eYkg-1@gated-at.bofh.it> <MjIO5-eZ9E-33@gated-at.bofh.it>
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Ian Jackson writes ("Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages]"):
...
> > Simon McVittie writes ("Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z"):
> > > See the apt (2.9.19) debian/NEWS entry for more details. It might be 
> > > possible to override this with a suitable value for 
> > > $APT_SEQUOIA_CRYPTO_POLICY, but regenerating the test keys (or at least 
> > > updating their self-signatures) is probably easier.
...
> In fact I am going to do this *right now* because this terrible
> decision to have a time-based deprecation is suddenly blocking my
> work.

It turns out that the policy override mechanism is broken.

Attempting to use it like this

  +cat <<'END' >>$tmp/.sequoia-crypto-policy
  +[hash_algorithms]
  +sha1 = "always"
  +END
  +export SEQUOIA_CRYPTO_POLICY=$tmp/.sequoia-crypto-policy

results in this

  W: OpenPGP signature verification failed: 
  file:/tmp/autopkgtest.XEAQrW/autopkgtest_tmp/mirror unstable 
  InRelease: Sub-process /usr/bin/sqv returned an error code (1), 
  error message is: Error: Parsing 
  "/tmp/autopkgtest.XEAQrW/autopkgtest_tmp/.sequoia-crypto-policy" 
  Caused by:     redefinition of table `hash_algorithms` for key 
  `hash_algorithms` at line 3 column 1

Ian.

-- 
Ian Jackson <ijackson@chiark.greenend.org.uk>   These opinions are my own.  

Pronouns: they/he.  If I emailed you from @fyvzl.net or @evade.org.uk,
that is a private address which bypasses my fierce spamfilter.

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Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z Simon McVittie <smcv@debian.org> - 2026-02-01 16:10 +0100
  Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z Chris Hofstaedtler <zeha@debian.org> - 2026-02-01 16:20 +0100
  Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages] Ian Jackson <ijackson@chiark.greenend.org.uk> - 2026-02-01 17:50 +0100
    Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages] Ian Jackson <ijackson@chiark.greenend.org.uk> - 2026-02-01 17:50 +0100
      Bug#1126793: dgit: autopkgtest regression: SHA1 is not considered secure since 2026-02-01T00:00:00Z [and 1 more messages] Ian Jackson <ijackson@chiark.greenend.org.uk> - 2026-02-02 20:30 +0100

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