Method and apparatus for deduplicating encrypted data
US10025811B2 · kind B2 · utility
1Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Oct 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a client, an encryption key is created using plain text data, a first tag is created using the encryption key, and the plain text data are encrypted under the encryption key to create encrypted data. The first tag is transmitted to the server to confirm whether the encrypted data is duplicated and after transmitting the first tag, the encrypted data is transmitted to the server in accordance with the request of the encrypted data from the server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.