Apple quietly updated some of its top hardware due to security risks
Apple has apparently deleted the details about the change and created more confusion
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According to reports,Applemade changes to the firmware of some of itsprocessorsin the fall of 2020 - but the alterations were reportedly never announced and apparently made mid-production.
Spotted by Twitter user Andrew Pantyukhin, the changes were made to update the Secure Enclave component on the A12, A13, and S5 processors inApple’s devices in the fall of 2020.
As its name suggests, the Secure Enclave is a secure co-processor, that handles keys and other sensitive information such as bio-metrics. It is isolated from the main processor in order to provide an extra layer of security. The Secure Enclave is shipped with certain versions of theiPhone,iPad, Mac,Apple TV,Apple WatchandHomePod.
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MacRumorsreports that Apple Support documents make note of the changes. “Note: A12, A13, S4, and S5 products first released in Fall 2020 have a 2nd-generation Secure Storage Component; while earlier products based on these SoCs have 1st-generation Secure Storage Component.”
Confusions galore
According to back-of-the-envelope calculations byMacRumorsthis change would have impacted the eighth-generation entry-level iPad,Apple WatchSE, and HomePod mini, which would have shipped with the second generation of Secure Enclave compared to older devices with the same chip.
However,TechRadar Procan’t verify the claim as the lines no longer appear on the cited support document.
MacRumorsalso picked up a couple of discrepancies in the shared observations.
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Firstly, there were no A13-powered devices released in the Fall of 2020, with the last being theiPhone SEin February 2020.
Secondly, the only device to contain an S4 chip was the Apple Watch Series 4, which was discontinued in September 2019. This means that there couldn’t have been a second generation S4 chip as mentioned in the support document.
In any case, the most striking aspect of the issue is that Apple considered the issue serious enough to change the chips mid-stream.
Via:MacRumors
With almost two decades of writing and reporting on Linux, Mayank Sharma would like everyone to think he’sTechRadar Pro’sexpert on the topic. Of course, he’s just as interested in other computing topics, particularly cybersecurity, cloud, containers, and coding.
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