Patent · US Expired

Computer network encryption/decryption device

US5444782A · kind A · utility

131Cited by
12References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 1994
Grant dateAug 22, 1995
Priority date
Expiry dateJan 19, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L63/0428
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A computer network encryption/decryption device includes at least one microprocessor, microprocessor support hardware, at least two network ports for connecting to upstream and downstream networks, memory hardware for storing program, configuration, and keylist data, and data encryption/decryption hardware. The device operates in one of two modes by selectively encrypting or decrypting packets or portions of packets based on information contained in a packer's header.

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