view dropbearconvert.1 @ 1888:a7b66ea18632

Don't set pubkey_info directly in checkpubkey_line This makes it safe to use from fuzzer-pubkey without leaking the value since the cleanup isn't called
author Matt Johnston <matt@ucc.asn.au>
date Wed, 16 Mar 2022 18:35:23 +0800
parents 80cacacfec23
children 863f31b4cf3c
line wrap: on
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.TH dropbearconvert 1
.SH NAME
dropbearconvert \- convert between Dropbear and OpenSSH private key formats
.SH SYNOPSIS
.B dropbearconvert
.I input_type
.I output_type
.I input_file
.I output_file
.SH DESCRIPTION
.B Dropbear
and 
.B OpenSSH
SSH implementations have different private key formats.
.B dropbearconvert
can convert between the two.
.P
Dropbear uses the same SSH public key format as OpenSSH, it can be extracted
from a private key by using
.B dropbearkey \-y
.P
Encrypted private keys are not supported, use ssh-keygen(1) to decrypt them
first.
.SH ARGUMENTS
.TP
.I input_type
Either 
.I dropbear
or 
.I openssh
.TP
.I output_type
Either 
.I dropbear
or 
.I openssh
.TP
.I input_file
An existing Dropbear or OpenSSH private key file
.TP
.I output_file
The path to write the converted private key file. For client authentication ~/.ssh/id_dropbear is loaded by default
.SH EXAMPLE
 # dropbearconvert openssh dropbear ~/.ssh/id_rsa ~/.ssh/id_dropbear
.SH AUTHOR
Matt Johnston ([email protected]).
.SH SEE ALSO
 dropbearkey(1), ssh-keygen(1)
.P
https://matt.ucc.asn.au/dropbear/dropbear.html