Secure one-way authentication communication system
US6430690B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2000 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Oct 15, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3273
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A protocol for authenticating at least one of a pair of first and second correspondents C and T in a data communication system, the method comprising the steps or storing a public key in the first correspondent C; computing a shared secret by the second correspondent T incorporating the public key C; storing the shared secret in the first correspondent C: the second correspondent T generating a challenge value a; the first correspondent C transmitting to the second correspondent T information including the stored public key C; the second correspondent T computing a test shared secret from the received public key C; the first and second correspondents computing response signals using the challenge value z and the shared secret in a one-way function fr; and the first correspondent C transmitting the computed response signal to the second correspondent T whereby the second correspondent verifies the first correspondent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.