Patent · US Active

Secure memory device for smart cards

US7844831B2 · kind B2 · utility

19Cited by
28References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 2008
Grant dateNov 30, 2010
Priority date
Expiry dateDec 25, 2028

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.