I got a rental car recently and was given an android auto security error when I plugged in my phone. The error message suggested adjusting the date and time on the car, and when I did so (it was exactly 2 years, 1 day, and 12 hours ahead) it worked fine. Why did this matter? What does a system clock being off have to do with security? Wouldnt my phone know that it was innacurate since it picked up that it was wrong in the first place?
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SSL certificates are used to encrypt web traffic and a lot of misc data transfers. They are only valid within a certain time frame and therefore the clock time and date is used as part of the validation process.
Changing the system clock is an easy way to fool such a security mechanism so they look for that as part of the validation process
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