Cryptographic key escrow system having reduced vulnerability to harvesting attacks
US5633929A · kind A · utility
141Cited by
1References
20Claims
0Family size
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Inventor
Key dates
| Filing date | Sep 15, 1995 |
| Grant date | May 27, 1997 |
| Priority date | — |
| Expiry date | Sep 15, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0894
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A public key escrow system is adapted to have a proof of knowledge protocol for a certificate. The certificate is signed with RSA and is proved using a protocol based on the Guillou-Quisquater proof of knowledge scheme, or other proof of knowledge protocol. Interactive and non-interactive protocols are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.