-.\" $OpenBSD: ssh-keygen.1,v 1.52 2001/12/21 08:52:22 djm Exp $
+.\" $OpenBSD: ssh-keygen.1,v 1.55 2002/11/26 02:35:30 stevesk Exp $
.\"
.\" -*- nroff -*-
.\"
.Nm ssh-keygen
.Op Fl q
.Op Fl b Ar bits
-.Op Fl t Ar type
+.Fl t Ar type
.Op Fl N Ar new_passphrase
.Op Fl C Ar comment
.Op Fl f Ar output_keyfile
generates, manages and converts authentication keys for
.Xr ssh 1 .
.Nm
-can create RSA keys for use by SSH protocol version 1 and RSA or DSA
+can create RSA keys for use by SSH protocol version 1 and RSA or DSA
keys for use by SSH protocol version 2. The type of key to be generated
is specified with the
.Fl t
.It Fl b Ar bits
Specifies the number of bits in the key to create.
Minimum is 512 bits.
-Generally 1024 bits is considered sufficient, and key sizes
-above that no longer improve security but make things slower.
+Generally, 1024 bits is considered sufficient.
The default is 1024 bits.
.It Fl c
Requests changing the comment in the private and public key files.