Signature method and device
US9391775B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2009 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Sep 29, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/76
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for signing a document to be transmitted between two correspondents, i.e. a sender and an addressee, including recording the sender and the addressee of the document for the allocation of a digital identity thereto; authorizing by the addressee a correspondence with the sender; ciphering the document; indicating to the addressee that the document is available; detecting an access to the document by the addressee; generating an electronic report indicating the delivery of the document, the document-delivery electronic report including a set of data associated with the transmission of the document to the addressee, the set including identification of elements concerning the addressee authentication, the sealing of the document, the access to the document by the addressee and the time-stamping of the access to the document by the addressee; and electronically signing, by a reliable third-party using the private key thereof, the document-delivery electronic report.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.