Califorms

References:

  • Sinha, Kanad, and Simha Sethumadhavan. “Practical memory safety with REST.” 2018 ACM/IEEE 45th Annual International Symposium on Computer Architecture (ISCA). IEEE, 2018.

Overview

REST: Random Embedded Secret Tokens (REST)

  • 1-bit metadata per L1 data cache line
  • a comparator to check for REST tokens during a cache fill
  • software support based on AddressSanitizer

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Created Jan 17, 2022 // Last Updated Jan 18, 2022

If you could revise
the fundmental principles of
computer system design
to improve security...

... what would you change?