Author: Damyon Wiese
MDL-65536 mod_lti: OpenSSL configuration
LTI 1.3 requires working openssl functions to generate a private
key used for the JWT. Some installs (e.g. windows) can have the
functions available - but require configuration in php before they
actually do anything.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=db0ccfa922ac13f49c8de6c5568a33c010099a39
http://github.com/moodle/moodle/commit/db0ccfa922ac13f49c8de6c5568a33c010099a39
+ 3.7 en [opensslconfiginvalid,mod_lti]