Author: Sam Hemelryk
MDL-25299 mnet: Fixed validation when no public key is provided
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5ac02b6e21a67fa38d434b7645fb8db0a3c2103f
http://github.com/moodle/moodle/commit/5ac02b6e21a67fa38d434b7645fb8db0a3c2103f
+ 2.2 en [publickeyrequired,core_mnet]