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RSS Bot@lemmy.bestiver.seMB to Hacker News@lemmy.bestiver.seEnglish · 4 months ago

The ESP32 "backdoor" that wasn't

darkmentor.com

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The ESP32 "backdoor" that wasn't

darkmentor.com

RSS Bot@lemmy.bestiver.seMB to Hacker News@lemmy.bestiver.seEnglish · 4 months ago
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The ESP32 "backdoor" that wasn't | Dark Mentor LLC
darkmentor.com
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This post refutes the claim that researchers found a "backdoor" in ESP32 Bluetooth chips. What the researchers highlight (vendor-specific HCI commands to read & write controller memory) is a common design pattern found in other Bluetooth chips from other vendors as well, such as Broadcom, Cypress, and Texas Instruments. Vendor-specific commands in Bluetooth effectively constitute a "private API", and a company's choice to not publicly document their private API does not constitute a "backdoor".

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