René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Project status?","articleBody":"Is this project still functional?\r\n\r\nI have a spring preauth filter that is trying to use BasicLTIUtil.validateMessage(req,url,secret) to verify signatures from a LaunchPad LMS, and it only works occasionally. Same when i test it with other LTI-1p0 Tool Consumer emulators. Sometimes it succeeds, but more often i get invalid signature errors.\r\n\r\nThere's not much documentation, and i can't find any reason why this is wrong. I'm wondering if this is due to outdated dependencies in this project? Especially wondering about this one:         \r\n\r\n            \u003cgroupId\u003enet.oauth.core\u003c/groupId\u003e\r\n            \u003cartifactId\u003eoauth-provider\u003c/artifactId\u003e\r\n            \u003cversion\u003e20100527\u003c/version\u003e\r\n\r\nHelp?","author":{"url":"https://github.com/nbubna","@type":"Person","name":"nbubna"},"datePublished":"2018-05-15T20:19:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/38/basiclti-util-java/issues/38"}