Key calculation method and key agreement method using the same
US8160256B2 · kind B2 · utility
1Cited by
17References
13Claims
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Key dates
| Filing date | Aug 8, 2007 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3066
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A key calculation method and a shared key generation method, the key calculation method including: generating two keys to perform a key calculation; calculating a first value based on coefficients having an identical coefficient value among coefficients included in each of the two keys; and performing a coordinates operation or an exponentiation operation based on the first value, wherein the calculating of the first value is performed with respect to each of coefficient values included in the two keys, excluding 0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.