# Monkeysphere Documentation # ## Dependencies ## * Monkeysphere relies on [GnuTLS](http://gnutls.org/) version 2.4.0 or later. ## References ## * [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/)