Patent · US Expired

Method and apparatus for updating checksums of data structures

US6269374A · kind A · utility

13Cited by
21References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 1998
Grant dateJul 31, 2001
Priority date
Expiry dateMay 26, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M13/093
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for updating a checksum of a data structure wherein the checksum has an additive property. According to the invention, a word value of a word that is to be modified is eliminated from a checksum to form a current checksum. The current checksum is then updated with a modified word value of a modified word. A system for data structures includes a computer readable and writeable medium and a processor which performs the method of the invention.

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