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rick, I'm trying to read the new dwg format. First of all, there is no spec. Its a proprietary format so you have to figure it out on your own.

I usually get started by looking at the format in...

dramatic progress today. Softice turned out to be VERY helpful. 108 byte encryption key is cracked!!! WooHoo!!

still 32 bit keys to be handled. I understand those to be a bit more irritating...

they just released it apparently (so you wonder why its not called 2003). Anyway, autocad changes the version at least a little every time. This time was major though. The encryption seems like...

you know it's funny. I have softice and I've tried to use it but maybe I don't know enough about it or assembly. Basically if I knew how to break at the point where certain things are read in then...

blank file is where I usually start these things actually. autocad saves out a bunch of things even with no entities drawn.

What I THINK I know is that you get a "master key" 32 bit value that...

I know that asking here is a long shot but what the hell.

We are reverse engineering dwg for autocad 2004. Autodesk has changed the format of the dwg somewhat. The information that I've been...