Elliptic curve point transformations
US8559625B2 · kind B2 · utility
10Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2007 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Aug 31, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2207/7228
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In an elliptic curve cryptographic system, point coordinates in a first coordinate system are transformed into a second coordinate system. The transformed coordinates are processed by field operations, which have been modified for operating on the transformed point coordinates. In some implementations, the point coordinates are transformed using a linear transformation matrix having coefficients. The coefficients can be fixed, variable or random. In some implementations, the transformation matrix is invertible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.