APPropriate Behaviour
The book about all the things software writers do that aren't writing software.
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Category Archives: Codesign
On the new Lion security things
This post will take a high-level view of some of Lion’s new security features, and examine how they fit (or don’t) in the general UNIX security model and with that of other platforms. App sandboxing The really big news for … Continue reading
Posted in Authentication, Authorization, Codesign, Mac, PCAS, sandbox
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On the extension of code signing
One of the public releases Apple has made this WWDC week is that of Safari 5, the latest version of their web browser. Safari 5 is the first version of the software to provide a public extensions API, and there … Continue reading
Regaining your identity
In my last post, losing your identity, I pointed out an annoying problem with the Sparkle update framework, in that if you lose your private key you can no longer post any updates. Using code signing identities would offer a … Continue reading
Posted in Codesign, Crypto, PCAS, Updates
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Losing your identity
Developers make use of cryptographic signatures in multiple places in the software lifecycle. No iPad or iPhone application may be distributed without having been signed by the developer. Mac developers who sign their applications get to annoy their customers much … Continue reading
More NSConf code signing fun
I’ll be talking at the US NSConference on Tuesday, with an extended version of my talk on code signing. I’ll cover how it works, what it does, what it doesn’t do, and what it should do. Importantly, there are still … Continue reading
Code snippit from NSConference presentation
Here’s the code I used to display the code signature status within the sample app at NSConference. You need to be using the 10.6 SDK, and link against Security.framework. #import <Security/SecCode.h> – (void)updateSignatureStatus { SecCodeRef myCode = NULL; OSStatus secReturn … Continue reading
Posted in Codesign, NSConf, Talk
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