Category Archives: Uncategorized

IMS LTI Outcomes 1.0 Versus 2.0

IMS LTI Outcomes 1.0 First introduced in March 2012 with LTI 1.1, Outcomes-1 has changed little over the years. It finally got its own spec in January 2015, and it’s own name: Learning Tools Interoperability Outcomes Management Service 1.0. In … Continue reading

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LtiLibrary 1.6

So finally, huh! LtiLibrary (my .NET library for LTI web applications) is now at version 1.6. The big change is the addition Outcomes 2.0 (Draft). Outcomes 2.0 has been in draft status since December 2014. I hope by including support … Continue reading

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LtiLibrary 1.5

LtiLibrary (my .NET library for LTI applications) is now at version 1.5. This coincides with IMS releasing the LTI v1.2 and LTI Outcomes v1.0 Final Specifications, http://www.imsglobal.org/lti/. LtiLibrary 1.5 also supports Content-Item Message v1.0 Public Draft (3 February 2015) and … Continue reading

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Moving to GitHub

Two years ago I wrote that I was trying both CodePlex and GitHub. For awhile I kept both in sync. But that got tiresome so I let GitHub fall out of sync and focussed on CodePlex. That worked really well … Continue reading

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Splitting LtiLibrary into LtiLibrary.Core and LtiLibrary.AspNet

While I was writing the OWIN middleware for LTI, I noticed that Microsoft and every OWIN middleware contributor created two libraries: one that had no dependencies on ASP.NET and another that did. So I did the same and created LtiLibrary.Owin.Security.Lti … Continue reading

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Using OWIN to handle LTI API authentication

In my previous post I wrote about the OWIN middleware for LTI I wrote to handle LTI launch authentication. This time I want to talk about using OWIN middleware to authenticate the other LTI stuff: outcomes and the new content-item … Continue reading

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OWIN middleware for LTI

TL;DR An implementation of  OWIN middleware and ASP.NET Identity for LTI is available on Codeplex. The Complete Story Microsoft’s ASP.NET Identity now uses OWIN. Anders Abel has a great series of articles explaining the interaction between OWIN middleware and ASP.NET … Continue reading

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