view dropbearconvert.1 @ 1933:e093ddc5b585

Fix extra default -i arguments for multihop When multihop executes dbclient it should only add -i arguments from the original commandline, not the default id_dropbear key. Otherwise multiple -i arguments keep getting added which results in servers disconnecting with too many auth attempts
author Matt Johnston <matt@ucc.asn.au>
date Fri, 01 Apr 2022 11:56:10 +0800
parents 863f31b4cf3c
children
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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 SUPPORTED FORMATS
.B dropbearconvert
can read OpenSSH format files, and older PEM format files (
.B ssh-keygen
.I -m PEM
).
.B dropbearconvert
will write OpenSSH format files, usable with OpenSSH 6.5 and later.
Reading OpenSSH format DSS files or PKCS8 files is not currently supported.
.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