Verifiable redactable audit log
US9338013B2 · kind B2 · utility
80Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2014 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Mar 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2151
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A verifiable, redactable log, which, in some embodiments, may contain multiple hash values per entry in order to sever confidentiality of a log from verifiability. Logs may be verified using recalculation of hashes and verification of trusted digital signatures. In some embodiments, the log may be divided into segments, each signed by a time server or self-signed using a system of ephemeral keys. In some embodiments, log messages regarding specific objects or events may be nested within the log to prevent reporting omission. The logging system may receive events or messages to enter into the log.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.