LspLoad Updated for AutoCAD 2014 and Bricscad 13 64-bit

The automatic lisp loader modules (LspLoad.zip on my freebies page) have been updated to add support for AutoCAD 2014 and Bricscad 13 64-bit. The modules are now digitally signed so that AutoCAD 2014 loads them quietly. Share ThisTweetFacebookLinkedInTumblrStumbleDiggDelicious

Autodesk Design Review 2010 Snake Oil Alert

From a new features overview of Autodesk Design Review 2010 comes the following snake oil claim: Digital SignaturesTo help secure your data, you can now digitally sign DWFx files. As I’ve explained before, digital signatures do not provide data security; they simply authenticate the person that applied the signature. Digital signatures are a welcome feature …

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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: Practical Guidelines

We use digital signatures every time we visit a secure web site. Visiting a secure web site involves an authentication process that includes verifying the identity of the server by ensuring that its digital certificate, or “server certificate”, is signed by a trusted certificate authority. This verification process might involve verifying an entire chain of …

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