Patent · US Expired

Secure memory device for smart cards

US7395435B2 · kind B2 · utility

42Cited by
17References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 20, 2002
Grant dateJul 1, 2008
Priority date
Expiry dateAug 21, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2209/56
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A secure memory device which can be used for multi-application smart cards for secure identification in data transfer, or for component verification in a computer system, without the requirement of an internal microprocessor. The secure memory device features a dual authentication protocol in which the memory and host authenticate each other. The secure memory device also includes an encrypted password feature, as well as using stream encryption to encrypt the data.

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