Giving Mobile Security the Boot
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The iOS <strong>Boot</strong> Sequence<br />
iOS <strong>Boot</strong>: KernelCache<br />
• /System/Library/Caches/com.apple.kernelcaches/<br />
• Prelinks all kernel extensions ( 内 核 , 包 括 所 有 的 扩 展 )<br />
• Kernel extension loading o<strong>the</strong>rwise disabled<br />
• Benefits:<br />
– Speed (prelinking)<br />
– <strong>Security</strong> (kernel + kexts au<strong>the</strong>nticated, no o<strong>the</strong>r kexts allowed)<br />
<strong>Boot</strong>ROM LLB i<strong>Boot</strong> Kernel<br />
(C) 2016 Jonathan Levin & Technologeeks.com - Share freely, but please cite source!
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