On Sun, Oct 11, 2026 at 05:56:52PM +0200, Bill Allombert wrote:
> On Sun, Oct 11, 2026 at 04:42:57PM +0300, Peter Pentchev wrote:
> > On Sun, Oct 11, 2026 at 02:45:21PM +0200, Bill Allombert wrote:
> > > On Sat, Oct 10, 2026 at 03:30:22PM +0100, Jonathan McDowell wrote:
> > > > https://wiki.debian.org/FixKeyWithSha1
> > > > 
> > > > should help.
> > > 
> > > Thanks it worked!
> > > 
> > > Do you know which gpg options dpkg-source use to generate the error
> > > 'Signing key is not bound'
> > > 
> > > Plain gpg do not detect this.
> > 
> > I think dpkg uses Sequoia (sq or sqop) by default now, and
> > the "cert lint" invocation on that wiki page detects that problem.
> 
> I think this checks the certificate but not with the signature.
> This is not the same.

It is the same: the error pertains to the signing key, not to the signature.
And the output of `sq cert lint` contains a couple of lines like these:

...
  0 have all User IDs protected by SHA-1. (GOOD)
...
1 of the non-revoked linted certificates has at least one non-revoked, live 
subkey:
  0 have at least one non-revoked, live subkey with a binding signature that 
uses SHA-1. (GOOD)
0 of the non-revoked linted certificates have at least one non-revoked, live, 
signing-capable subkey:
  0 certificates have at least one non-revoked, live, signing-capable subkey 
with a strong binding signature, but a backsig that uses SHA-1. (GOOD)

G'luck,
Peter

-- 
Peter Pentchev  [email protected] [email protected] [email protected]
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