Device for implementing a message signature system and chip card comprising such a device
US5748782A · kind A · utility
25Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1995 |
| Grant date | May 5, 1998 |
| Priority date | — |
| Expiry date | Mar 28, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3249
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
This provides a first device for implementing an RSA-type protected data exchange system for the signing of messages and the verification of the signed messages, and a second device for inhibiting the encryption anti decryption functions inherent of such systems so as to authorize only the signature and signature functions and public key authentication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.