Keyless encryption of messages using challenge response
US6535980B1 · kind B1 · utility
93Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1999 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Jun 21, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3273
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of keyless encryption of messages allows secure transmission of data where data security is not available for some technical or legal reason. The method of data transfer uses a challenge response in which a correct response to a challenge is used to transmit the value “1”, while a deliberately false response is made to transmit the value “0”. Any message can be transmitted as a binary string using successive applications of this method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.