Hello Bo,
> Since the sshkey map is keyed on username, how (if possible) would one
> specify multiple SSH keys when creating a map?
In LDAP you specify multiple entries, the file is stored with one line
per username, the sshkeys are in sort of an array. When SSHD looks up
the key using the provided shell script all public keys for the user are
returned.
Cheers,
Thomas