Trusted Computing

[awk]

VH: Follow-up on ARM-Intel - Authenticated Memory


A while ago Vacationhouse posted a PR discussing Intel Authenticated Memory for ARM "TrustZone" processors.

I just found this exceptional paper discussing the relevance of authenticated memory in the secure execution environment:



The role of secure memory in a trusted execution environment

Many of the attacks on mobile phones are traced to an attacker modifying data/code in the non-volatile memory. Flash memory-based security safeguards against such attacks, which is something other mobile security approaches cannot do.

Here's why...