Encryption method
US8670560B2 · kind B2 · utility
32Cited by
1References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Jun 8, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/3236
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is described a method of encrypting a set of 2D input data, preferably image data. The method comprises obtaining the hash value of a password and re-sizing the hash value to fit the size of the 2D input data. The re-sized data is transformed using an irreversible transform, and the output of the transform is then used to encode the 2D data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.