Secure memory device for smart cards
US7844831B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2008 |
| Grant date | Nov 30, 2010 |
| Priority date | — |
| Expiry date | Dec 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.