Patent · US Expired

Microprocessor apparatus and method for performing block cipher cryptographic functions

US7321910B2 · kind B2 · utility

24Cited by
36References
110Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 2003
Grant dateJan 22, 2008
Priority date
Expiry dateJan 6, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/24
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present invention provides an apparatus and method for performing cryptographic operations on a plurality of input data blocks within a processor. In one embodiment, an apparatus for performing cryptographic operations is provided. The apparatus includes a cryptographic instruction and execution logic. The cryptographic instruction is received by logic within a processor, wherein said cryptographic instruction prescribes one of the cryptographic operations. The execution logic is coupled to said logic. The execution logic performs the one of the cryptographic operations.

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