Or perhaps they want to stop repairs other than at official Samsung shops, and then only for a short while.
Samsung will launch a new standalone turnkey security chip to protect mobile devices, the company announced today. The chip, which has the said-once-never-forgotten name "S3FV9RR" – aka the Mobile SE Guardian 4 – is a follow-up to the dedicated security silicon baked into the Galaxy S20 smartphone series launched in February …
How many devices have ARM's TrustZone? And how many actually use them? And how many devices actually inject keys into the devices? And which software actually uses the processors?
The secure element that Samsung is making needs to be USED properly. I'll believe it when I see it.
The ARM TrustZone is a joke, and it's a rather bad one. If Samsung has implemented their cryptography properly, and if the firmware and OS use it properly, then it goes a long way towards eliminating a lot of threats. Positive identification of a phone really isn't that big of a deal. The big deal is to keep malevolent code from running on the device.
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