RTx::MD5Auth - Secure login over an unsecure http channel
I've came across Atom's choice of using WSSE profile as the authentication mechanism, and think that it's very well suited to RT's REST layer:
It solves the frequent need of avoiding password sniffing over a non-SSL channel.
To install RTx::MD5Auth, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell
For more information on module installation, please visit the detailed CPAN module installation guide.