Patent · US Expired

System and method for verification of off-chip processor code

US6587947B1 · kind B1 · utility

30Cited by
15References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1999
Grant dateJul 1, 2003
Priority date
Expiry dateApr 1, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F21/64
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An electronic system and corresponding method for verifying the integrity of code that is stored off-chip. The electronic system comprises a memory element to store Processor Abstraction Layer (PAL) code and a processor coupled to the memory element. The processor verifies the integrity of the PAL code prior to execution of the PAL code.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.