* [Initial specifications at CMRG](http://cmrg.fifthhorseman.net/wiki/OpenPGPandSSH)
* [OpenPGP (RFC 4880)](http://tools.ietf.org/html/rfc4880)
* [Secure Shell Authentication Protocol (RFC 4252)](http://tools.ietf.org/html/rfc4252)
+* [URI scheme for SSH, RFC draft](http://tools.ietf.org/wg/secsh/draft-ietf-secsh-scp-sftp-ssh-uri/)