Suggestion: Deprecate SSH certificates and move to X.509 certificates

Peter Moody mindrot at
Fri May 25 14:12:12 AEST 2018

On Thu, May 24, 2018 at 9:09 PM, Yegor Ievlev <koops1997 at> wrote:
> How can I revoke one SSH certificate without having to replace the
> root certificate and all certificates signed by it?

there is no chaining of ssh certificates.

> Regarding the second statement, do you have sources?

yes. my day job.

> On Fri, May 25, 2018 at 6:58 AM, Peter Moody <mindrot at> wrote:
>> On Thu, May 24, 2018 at 8:36 PM, Yegor Ievlev <koops1997 at> wrote:
>>> SSH certificates provide no
>>> way to revoke compromised certificates,
>> this isn't true
>>> and SSH certificates haven't seen significant adoption,
>> this also isn't true.
>> enterprises love ssh certificates.

More information about the openssh-unix-dev mailing list