Re: "ssh -Q key" does not list rsa-sha2 algorithms

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On 01/06/2020 23:48, Darren Tucker wrote:
On Tue, 2 Jun 2020 at 06:12, Christian Weisgerber<naddy@xxxxxxxxxxxx>  wrote
On 2020-06-01, Ethan Rahn<ethan.rahn@xxxxxxxxx>  wrote:

With the upcoming deprecation of ssh-rsa I was trying to see what keys my
version of OpenSSH ( 7.8p1 ) supports. I noticed that "ssh -Q key" does not
actually list the suggested algorithms to transition to ( rsa-sha2-256 and
rsa-sha2-512 ) even though they are supported.
"-Q key" are the supported key formats.  For the signature algorithms,
you want "-Q sig".  This is documented in the man page.
In addition, from version 8.2 ssh -Q will also accept ssh_config
keywords and emit the formats or algorithms accepted by that keyword,

There is also "-Q key-sig" in recent versions (not sure exactly how recent, but 7.6 doesn't have it)

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