Authentication and signature method for messages using reduced size of binary units of information content and corresponding systems
US7228418B1 · kind B1 · utility
39Cited by
2References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2000 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Apr 7, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3218
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an authentication method using small-sized commitments and systems thereof.According to the invention the size of the commitment is reduced but the time the entity to be authenticated takes to respond to the authenticating entity is checked and said time is required to be lower than a certain value. The security level is maintained.Application to methods of authentication (of entities or messages) or message signature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.