Non-volatile memory based monotonic counter
US6836853B1 · kind B1 · utility
23Cited by
10References
23Claims
0Family size
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Key dates
| Filing date | Dec 31, 1999 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Dec 31, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K21/403
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A value for a first counter is maintained. A value for a second counter based on a content of a non-volatile memory is maintained. Updates to the value for the first counter and to the value for the second counter are controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.