modhex.1.txt

MODHEX(1)
=========
:doctype:      manpage
:man source:   yubico-c
:man manual:   YubiKey C Library Manual

NAME
----
modhex - convert data to/from modhex encoding

SYNOPSIS
--------
*modhex* [-d] [-h] 'DATA'

DESCRIPTION
-----------
Encode/decode modhex data 'DATA' to binary and hex.

OPTIONS
-------
The string DATA is the data to convert.

*-d*::
Decode data (the default is to encode data).

*-h*::
Use hex encoding for all non-modhex data.

EXAMPLES
--------

ModHex encode ASCII-string "test":

  modhex test

Decode ModHex data "ifhgieif" into ASCII string:

  modhex -d ifhgieif

ModHex encode hex-encoded data "b565716f":

  modhex -h b565716f

Decode ModHex data "nghgibhv" and print hex-encode data:

  modhex -d -h nghgibhv

MODHEX ALPHABET
---------------
The modhex alphabet is a base16 alphabet just as hex, they map as follows:

 0 1 2 3 4 5 6 7 8 9 a b c d e f
 c b d e f g h i j k l n r t u v

SEE ALSO
---------
YubiKeys can be obtained from Yubico: http://www.yubico.com/