Patent · US Expired

Device and method for protection against stack overflow and franking machine using same

US6618797B1 · kind B1 · utility

9Cited by
4References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 24, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateMay 24, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07B2017/00419
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The invention concerns a method for protecting sensitive data against overflow in a stack, memory space reserved for part of a program. Said method comprises an operation which consists in assigning a stack to each program part, during which the most upstream stack relatively to the displacement direction of an indicator in a stack, is assigned a task for operating on said sensitive data. Preferably, said method comprises the execution of a single task operating on said sensitive data.

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