Secure sum-of-product computation method, secure sum-of-product computation system, computation apparatus and programs therefor
US9292258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jan 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/46
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There is provided a method that can quickly perform a secure sum-of-product computation by cooperative computation by three parties (computation apparatuses) that is easy to implement. In a secure computation method in which a party X performs a party-X random number generation step, a party-X first computation step and a party-X second computation step, a party Y performs a party-Y random number generation step, a party-Y first computation step and a party-Y second computation step, and a party Z performs a party-Z random number generation step, a party-Z first computation step and a party-Z second computation step, computation processings performed by the parties are symmetrical to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.