On Sat, Oct 10, 2026 at 01:16:43PM +0200, Bill Allombert wrote:
> Dear Debian developers,
> 
> Is there any way to replace a SHA1 self-binding signature in a GPG public key 
> ?
> 
> I get the message
> dpkg-source: info: verifying ../pari_2.19.0.orig.tar.gz.asc
> Signing key on 42028EA404A2E9D80AC453148F0E7C2B4522E387 is not bound:
>            No binding signature at time 2026-09-28T08:47:24Z
>   because: Policy rejected non-revocation signature (PositiveCertification) 
> requiring second pre-image resistance
>   because: SHA1 is not considered secure since 2023-02-01T00:00:00Z
> dpkg-source: warning: cannot verify upstream tarball signature for 
> ../pari_2.19.0.orig.tar.gz: no acceptable signature found
> 
> (this key is in the Debian keyring)
> 
> Should I rather generate a new key ?

https://wiki.debian.org/FixKeyWithSha1

should help.


J.

-- 
/-\                             |   "who amongst us has not at one
|@/  Debian GNU/Linux Developer |  time or another borked the glob"
\-                              |             -- paultag

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