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Re: Code Sign verification on Leopard
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Re: Code Sign verification on Leopard


  • Subject: Re: Code Sign verification on Leopard
  • From: "email@hidden" <email@hidden>
  • Date: Tue, 13 Oct 2009 17:25:20 +0100


On 13 Oct 2009, at 16:41, Jens Alfke wrote:

That's sort of useless for security purposes, like yelling downstairs "are you a burglar?"
But it's not useless in the sense that it provides feedback that the code IS signed.
The code merely allows me to detect if I have screwed up my build settings and managed to break the code signing.


It's also not useful for security purposes to just check the status result of codesign. A successful result just tells you that the code has a signature. It doesn't tell you who signed it, or who authorized their certificate. Anyone can make their own key-pair in 30 seconds using the openssl tool or Keychain Access and use it to sign anything they want. For real verification you also have to examine the identity of the signer, and the chain of trust from the signer to a trusted root cert.

There's no denying that.

Jonathan Mitchell

Developer
http://www.mugginsoft.com





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  • Follow-Ups:
    • Re: Code Sign verification on Leopard
      • From: Jens Alfke <email@hidden>
References: 
 >Code Sign verification on Leopard (From: Jakub Bednar <email@hidden>)
 >Re: Code Sign verification on Leopard (From: "email@hidden" <email@hidden>)
 >Re: Code Sign verification on Leopard (From: Jens Alfke <email@hidden>)

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