Permission Calculator

I remember way back when I was watching a webcast by Kit George and there was some kind of mention of a Permissions Calculator.
I’m not sure what that was and I’ve been a bit behind on my feed reading (3000 with about a 1000 read during this weekend alone) so I’ll go out on a limb and guess that it’s a static analysis tool that specifies for each method, according to its calling graph, what permissions it should demand in order to work.
For instance a method that calls a file system read action should demand read permissions, etc.

I’ll be the first to admit I know diddly squat about permissions and security (and that’s a shame), but I do believe this would be a great idea if Microsoft (or anyone else for that matter) would follow through on this.

Update: Erik Porter notes that calculating security requirement alreadys exists in VS2005 (read comments for more), but this isn’t what I was talking about. I meant creating an application that surveys your assembly and makes notes about how you should decorate your methods, assembly, etc. with attributes using Code Access Permission requests. Maybe even FXCop…

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