Category Archives: Uncategorized

Splitting off LtiLibrary 1.6 Repository

Posted on September 4, 2017 by Andy

Soon after releasing LtiLibrary 1.6, I started work on LtiLibrary 2.0 using Visual Studio 2017 which had much better tooling for .NET Core than VS 2015. I decided to also pay off some technical debt that had accrued. The outcome … Continue reading →

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IMS LTI Outcomes 1.0 Versus 2.0

Posted on March 26, 2016 by Andy

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

Posted on March 21, 2016 by Andy

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

Posted on March 1, 2015 by Andy

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

Posted on December 16, 2014 by Andy

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

Posted on December 15, 2014 by Andy

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

Posted on December 14, 2014 by Andy

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

Posted on November 30, 2014 by Andy

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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LtiLibrary 1.4 on NuGet

Posted on May 10, 2014 by Andy

LtiLibrary 1.4.2 is now available on NuGet and there is a sample to go with it. The big changes from version 1.3.3 are support for LTI 1.2 Public Draft and LTI Content-Item Message 1.0 Public Draft. You can get both … Continue reading →

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LTI Talks Back with Content Item Message

Posted on March 28, 2014 by Andy

Here’s a common use case…a teacher finds something online she wants all her kids to use in the classroom. So she copies the URL and pastes it into her learning system (LMS, Google Docs, whatever). This is so common, it … Continue reading →

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