Re: Code Signing for Dummies
Re: Code Signing for Dummies
- Subject: Re: Code Signing for Dummies
- From: Tim Murison <email@hidden>
- Date: Tue, 03 Mar 2009 10:40:53 -0500
- Thread-topic: Code Signing for Dummies
> OK, thank you. Is it possible, would you happen to know, for an application
> to verify its own signature? I do this on Windows (using WinVerifyTrust) to
> check that the code has not been tampered with. Can't trust anybody these
> days :)
>
It is possible, but the APIs to code-signing are private. That said, they
are very easy to work with and the code is open-source
(libsecurity_codesigning).
Here is an Apple patent that talks about their code-signing library and
includes a 6-line sample for doing dynamic validation:
http://www.freepatentsonline.com/y2008/0168553.html
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