RFC 4819:Secure Shell Public Key Subsystem
RFC-Ref

authenticated user


Click on the red underlined text to get to the source

... public keys added, removed, and listed using this protocol are specific and limited to those of the authenticated user. The operations to add, remove ...
... The operations to add, remove, and list the authenticated user's public keys are performed as request packets sent to the server. The ...



Google
Web
RFC-Ref