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Originally Posted by sclitheroe
Interesting factoid - Apple's binaries are already digitally signed. I can't remember what this means, compared to non-signed apps, but the apps that ship with the OS are blessed in a way that others are not. The infrastructure is already there.
here is some info I just googled up: http://www.iospirit.com/blog/archive/2009/4/
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Little excerpt about that.
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Said simply, by signing their applications, developers are able to uniquely identify themselves as the maker of a piece of software towards the operating systems. The identity that becomes attached to the code of a software through code signing is always unique and cryptographically secured. It can't be faked. Code signing also guarantees that the code of the software has not been altered or corrupted.
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