Digital signing method, digital signing apparatus, portable information processing apparatus, digital signing system, and recording medium
US7861086B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 2, 2005 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Oct 9, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A digital signing method in a digital signing apparatus that provides a digital signature to electronic data, including: inputting data to be signed with the digital signature; presenting attribute information of one or more signature keys; displaying said attribute information of said one or more signature keys presented to a user; creating signature data by using said inputted data and a signature key corresponding to said attribute information of signature key selected by said user from said attribute information of said one or more signature keys displayed; and saving signature data created or a signature file created based on said signature data in a storage unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.