Inside the M4 Apple Neural Engine, Part 1: Reverse Engineering

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As quoted above, a TEE is a hardware-backed secure area of the main processor (like ARM TrustZone or Intel SGX). Technically speaking, the TEE is just the hardware fortress (exceptions exist like TrustZone) whilst a Content Decryption Module (CDM) like Google’s Widevine, Apple’s FairPlay, and Microsoft’s PlayReady use the TEE to ensure cryptographic keys and decrypted media buffers are never exposed to the host operating system let alone the user’s browser. For the purposes of this article, I may at times refer to them interchangeably but all you need to know is that they work together and in any case, the host OS can’t whiff any of their farts so to speak.

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In Trump's eyes it is a big business opportunity for the US oil sector. "We're going to be extracting numbers in terms of oil like few people have seen," he said at a news conference in mid-January, after a meeting with energy bosses at the White House.

其中,新款 HomePod 和 HomePod mini 不出意外将会迎来几个新配色,以及手表同款的 S10 处理器,从而对更先进的空间音频、蓝牙 5.3 和第二代 UWB 芯片提供支持。

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