+ The request tells the connection protocol used, usually TCP.
+ If UDP was requested it must be provided.
+
+Examples:
+
+ Set channel private key to current channel, and list all keys:
+
+ /KEY CHANNEL * set very_secret_key_this_is
+ /KEY CHANNEL * list
+
+ Set private message key with a friend:
+
+ foobar: /KEY MSG friend set secretkey
+ friend: /KEY MSG foobar set secretkey
+
+ Perform key agreement:
+
+ bar: /KEY MSG foo agreement 10.2.1.7 5000
+ foo: /KEY MSG bar negotiate 10.2.1.7 5000
+
+ bar: /KEY MSG foo agreement 10.2.1.7 5000 UDP
+ foo: /KEY MSG bar negotiate 10.2.1.7 5000 UDP
+
+See also: WHOIS, CHANNEL, GETKEY