Patent · US Expired

Cryptographic accelerator

US6831979B2 · kind B2 · utility

27Cited by
18References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 14, 2001
Grant dateDec 14, 2004
Priority date
Expiry dateJun 8, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/125
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A cryptographic accelerator for handling instruction-intensive bit permutations. The cryptographic accelerator comprises a selector and a plurality of buses coupled to the selector. Herein, at least one of the plurality of buses includes signal lines routed to perform a bit permutation operation incoming data. The bit permutation operation is one of a plurality of operations associated with a symmetric key function.

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