.Op Fl b Ar bits
.Op Fl N Ar new_passphrase
.Op Fl C Ar comment
+.Op Fl f Ar keyfile
.Nm ssh-keygen
.Fl p
.Op Fl P Ar old_passphrase
.Op Fl N Ar new_passphrase
+.Op Fl f Ar keyfile
.Nm ssh-keygen
.Fl c
.Op Fl P Ar passphrase
.Op Fl C Ar comment
+.Op Fl f Ar keyfile
+.Nm ssh-keygen
+.Fl l
+.Op Fl f Ar keyfile
.Sh DESCRIPTION
.Nm
generates and manages authentication keys for
Requests changing the comment in the private and public key files.
The program will prompt for the file containing the private keys, for
passphrase if the key has one, and for the new comment.
+.It Fl f
+Specifies the filename of the key file.
+.It Fl l
+Show fingerprint of specified private or public key file.
.It Fl p
Requests changing the passphrase of a private key file instead of
creating a new private key. The program will prompt for the file
.Sh SEE ALSO
.Xr ssh 1 ,
.Xr ssh-add 1 ,
-.Xr ssh-agent 1,
+.Xr ssh-agent 1 ,
.Xr sshd 8 ,
.Xr ssl 8