Patent · US Active

Protection of memory areas

US8392726B2 · kind B2 · utility

3Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2007
Grant dateMar 5, 2013
Priority date
Expiry dateJun 26, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2221/2105
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for loading a program, contained in at least a first memory, into a second memory accessible by an execution unit, in which the program is in a cyphered form in the first memory, a circuit for controlling the access to the second memory is configured from program initialization data, instructions of the program, and at least initialization data being decyphered to be transferred into the second memory after configuration of the circuit.

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