View the most recent changes for the libyubikey port at: libyubikey.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for libyubikey.
The raw portfile for libyubikey 1.5 is located here:
http://libyubikey.darwinports.com/dports/security/libyubikey/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/libyubikey

# -*- coding: utf-8; mode: tcl; tab-width: 4; truncate-lines: t; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:et:sw=4:ts=4:sts=4
The libyubikey Portfile 56811 2009-09-02 14:37:24Z snc macports.org $

PortSystem 1.0

Name: libyubikey
Version: 1.5
Category: security
Maintainers: snc openmaintainer
Description: Low-level library for decrypting and parsing Yubikey One-Time Passwords (OTP) in C.
Long Description: ${description}

Homepage: http://code.google.com/p/yubico-c/
Platform: darwin
Master Sites: http://yubico-c.googlecode.com/files/
Checksums: md5 387518eb89c1a9e44cbff95a32edaada sha1 c43dbb4210b83338ddf0a61a36091115afd950fe rmd160 1ec1c5b68f73d7bb02b34b9a8c86cf510b736836

livecheck.regex "files/${name}-(\\d+\\.\\d+)"

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/libyubikey
%  sudo port install libyubikey  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching libyubikey
--->  Verifying checksum for libyubikey
--->  Extracting libyubikey
--->  Configuring libyubikey
--->  Building libyubikey with target all

--->  Staging libyubikey into destroot

--->  Installing libyubikey

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using libyubikey with these commands:

%  man libyubikey
%  apropos libyubikey
%  which libyubikey
%  locate libyubikey

 Where to find more information: