Patent · US Expired

Apparatus and method of reading a program into a processor

US6141756A · kind A · utility

73Cited by
4References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 1998
Grant dateOct 31, 2000
Priority date
Expiry dateApr 27, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2221/2147
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The following describes an apparatus for and method of providing a secure method of downloading a program into a processor (101) from a device (103) external to the processor (101). The program may be encrypted (207) prior to its entry into the external device (103). The program may also have authentication information added (203 and 207) to it. Authentication information may be provided on an unencrypted and/or an encrypted program. The processor (101) decrypts (307) and/or successfully authenticates (311) the program before allowing the program to be executed by the processor (101).

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