.TH dropbearkey 8
.SH NAME
dropbearkey \- create private keys for the use with dropbear(8)
.SH SYNOPSIS
.B dropbearkey
\-t
.I type
\-f
.I file
[\-s
.IR bits ]
[\-y]
.SH DESCRIPTION
.B dropbearkey
generates a
.I RSA
or
.I DSS
format SSH private key, and saves it to a file for the use with the
.BR dropbear (8)
SSH 2 server.
Note that 
some SSH implementations
use the term "DSA" rather than "DSS", they mean the same thing.
.SH OPTIONS
.TP
.B \-t \fItype
Type of key to generate.
Must be one of
.I rsa
or
.IR dss .
.TP
.B \-f \fIfile
Write the secret key to the file
.IR file .
.TP
.B \-s \fIbits
Set the key size to
.I bits
bits, should be multiple of 8 (optional).
.TP
.B \-y
Just print the publickey and fingerprint for the private key in
.IR file .
.SH EXAMPLE
generate a host-key:
 # dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key

extract a public key suitable for authorized_keys from private key:
 # dropbearkey -y -f id_rsa | grep "^ssh-rsa " >> authorized_keys
.SH AUTHOR
Matt Johnston (matt@ucc.asn.au).
.br
Gerrit Pape (pape@smarden.org) wrote this manual page.
.SH SEE ALSO
dropbear(8), dbclient(1)
.P
http://matt.ucc.asn.au/dropbear/dropbear.html