Key generating method and key generating apparatus
US7929693B2 · kind B2 · utility
12Cited by
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18Claims
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Key dates
| Filing date | Apr 24, 2006 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Oct 15, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2137
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A key generating method is disclosed which includes the steps of: firstly detecting first change information as first change information data; secondly detecting second change information different from the first change information as second change information data; and merging the first change information and the second change information into key information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.