Security system and method
US8249251B2 · kind B2 · utility
2Cited by
21References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2010 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Sep 14, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/805
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A device for generating a seedless pseudo-random number, according to one embodiment, includes a first register containing a secret code; a second register containing a first random number generated locally and a second random number generated at a remote device; and an exclusive OR (XOR) circuit receiving output from the first and second registers and applying an XOR function to the outputs, a result of the XOR function being fed into the second register in a subsequent cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.