GlowCode Success Story

I use GlowCode for profiling ObjectARX applications. As far as I know, this is the only profiler that works with AutoCAD. What makes GlowCode special is that it can instrument code on the fly, including a monster like AutoCAD. It has a clunky interface that takes some patience to figure out, but it’s a lifesaver when you need it. Recently a CADLock customer …

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Design File Locking and Snake Oil Security

The increased sharing of electronic CAD data (ala BIM) holds a lot of promise, but it also exposes companies and individuals to additional liability and risk. This additional risk is coming into focus more and more as actual cases of costly legal battles confront engineers and architects. The June 2008 AUGI wishlist results contain “Design …

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Digital Signatures: Prelude

For many, the word “encryption” has a mysterious quality that invokes images of math virtuosos in secret bunkers working feverishly during wartime to break the enemy’s coded communications. My first exposure to encryption came in 1996 when I began working with Paul Kohut on the first version of CADLock software for locking AutoCAD drawing files. …

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