The type of key to exchange for the encryption format: Any-Any key exchange that is valid is used (this does not, however, include ADH keys). RSA-This is an RSA key exchange using an RSA key and certificate. EDHRSA-This is an EDH key exchange using an RSA key and certificate. EDHDSS-This is an EDH key exchange using a DSA key and certificate. ADH-This is an anonymous key exchange which does not require a private key or certificate. Choose this key if you do not want to authenticate the peer device, but you want the data encrypted on the SSL/TLS connection. The default is Any.