[Bug 3351] RSA SHA256 certificates no longer work

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Thu Oct 7 13:46:38 AEDT 2021


Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
                 CC|                            |djm at mindrot.org

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
I'm not able to replicate this, either manually or with modifications
to regress/cert-userkey.sh to explicitly test this case (though I think
it was previously anyway).

Could you please attach debug traces from the client and server to this

Note that RSA SHA256 certificates are always identified as
ssh-rsa-cert-v01 at openssh.com because key type names are actually
somewhat separate to signature algorithm names even though they look
the same. So a ssh-rsa-cert-v01 at openssh.com certificate can happily
make a rsa-sha2-256 signature. (Yes, this is a confusing area of the

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