Relational database fingerprinting method and system
US9646161B2 · kind B2 · utility
3Cited by
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8Claims
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Key dates
| Filing date | Dec 23, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0853
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a relational database fingerprinting system and method to identify a user of the relational database, the fingerprint provided by an originator of the relational database. According to an exemplary method, a fingerprint bit string is generated including a data user identification code and a secret key unknown to the user, and the fingerprint bit string is embedded in a plurality of pseudorandomly selected values based on a pseudorandom function seeded with primary keys associated with the relational database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.