The below is an off-site archive of all tweets posted by @mjtsai ever

March 3rd, 2016

@pmod Based on what? Didn’t this certificate expire on the normal date as planned?

via Tweetbot for Mac in reply to pmod

@pmod Right, but in this particular case, how would I be worse off if it weren't signed? (Like installers used to not be.)

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@pmod In general, yes. But in this case I downloaded Apple’s installer from Apple’s server over HTTPS. So how is code signing helping me?

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@pmod Everything I’ve seen says that in this case it just expired, was not compromised.

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@pmod Sorry, not following you. Which certificate do you think was compromised? And how could that endanger the installer I already have?

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@pmod In what scenario would it be beneficial securitywise for Apple to disable their own installers that users downloaded from their store?

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@pmod Which hiccups do you think are related to compromised certs?

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@pmod What exactly is the security angle here?

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@bartdorsey Yes, I was able to redownload the installers for 10.7 through 10.11.

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@bartdorsey You'll need to redownload them or possibly change your clock when installing.

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Why Safe C Is Sometimes Unsafe Swift: mjtsai.com/blog/2016/03/0…

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Proposed New Swift Collections Model: mjtsai.com/blog/2016/03/0…

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Previously Downloaded OS X Installers No Longer Work: mjtsai.com/blog/2016/03/0…

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Where Did All the HTTP Referrers Go?: mjtsai.com/blog/2016/03/0…

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