Bug#1103392: incorrect signature when ssh'ing to an AIX server (Big Endian) from X86 (Little endian)

I have confirmed it has an upstream issue using unmodified upstream 
sources.

I have opened a bug upstream,.

https://bugzilla.mindrot.org/show_bug.cgi?id=3814


On Thu, 2025-04-17 at 22:29 +0100, Colin Watson wrote:
> On Thu, Apr 17, 2025 at 02:43:51PM +1200, Jean-Francois Pirus wrote:
> > If I delete the key from the known_hosts I get the additional line
> > just
> > before the incorrect signature:
> > debug2: ssh_ed25519_verify: crypto_sign_ed25519_open failed: -1
> 
> Can you reproduce this using a clean build from unmodified upstream 
> sources?  If so, it would be best to report this directly upstream; I
> haven't had access to an AIX machine for literally decades now, but
> I'm 
> pretty sure there are still OpenSSH upstream developers who do.
> 
> Can you also describe whether this is a regression from a previous 
> release?  If so, what was the last version that worked?
> 
> Thanks,

-- 
Jean-Francois Pirus | Technical Manager 
[email protected] | Mob +64 21 640 779 | DDI +64 9 282 3401 

Clearfield Software Ltd | Ph +64 9 358 2081 | www.clearfield.com