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Wibbly Wobbly, Timey Wimey – What's Really Inside Apple's U1 Chip

Black Hat via YouTube

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Overview

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Dive into a 33-minute Black Hat conference talk exploring Apple's Ultra Wideband (UWB) chip introduced in the iPhone 11. Discover the cryptographically secured spatial measurement capabilities accessible through the Nearby Interaction framework since iOS 14. Learn about the chip's current support for interaction with other Apple devices, including the latest Apple Watch and HomePod mini. Explore the potential future applications of UWB technology, including its adoption in the automotive industry for mobile car keys. Journey through time, space, firmware, and kernel components as speakers Jiska Classen and Alexander Heinrich unravel the intricacies of Apple's U1 chip, demonstrating how to modify firmware interaction from user space while battling daemons along the way.

Syllabus

Wibbly Wobbly, Timey Wimey – What's Really Inside Apple's U1 Chip

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Black Hat

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