• Patent Title: USING APPROXIMATE MEMBERSHIP QUERY FILTERS FOR EFFICIENT CONTROL FLOW INTEGRITY PROTECTION
  • Application No.: US18506639
    Application Date: 2023-11-10
  • Publication No.: US20250156543A1
    Publication Date: 2025-05-15
  • Inventor: Jan HoogerbruggeMarcel Medwed
  • Applicant: NXP B.V.
  • Applicant Address: NL Eindhoven
  • Assignee: NXP B.V.
  • Current Assignee: NXP B.V.
  • Current Assignee Address: NL Eindhoven
  • Main IPC: G06F21/56
  • IPC: G06F21/56
USING APPROXIMATE MEMBERSHIP QUERY FILTERS FOR EFFICIENT CONTROL FLOW INTEGRITY PROTECTION
Abstract:
A method includes fetching, at a program counter value, an instruction of a basic block of code; decoding the instruction; updating a checksum value with a checksum of the instruction; and determining whether a tuple of the program counter value and the checksum value is in an approximate membership query filter (AMQ-filter).
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