Email access control scheme for communication network using identification concealment mechanism
US7188358B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1999 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Mar 26, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0421
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An email access control scheme capable of resolving problems of the real email address and enabling a unique identification of the identity of the user while concealing the user identification is disclosed. A personalized access ticket containing a sender's identification and a recipient's identification in correspondence is to be presented by a sender who wishes to send an email to a recipient so as to specify the recipient as an intended destination of the email. Then, accesses between the sender and the recipient by verifying an access right of the sender with respect to the recipient according to the personalized access ticket at a secure communication service. Also, an official identification of each user by which each user is uniquely identifiable by a certification authority, and an anonymous identification of each user containing at least one fragment of the official identification are defined, and each user is identified by the anonymous identification of each user in communications for emails on a communication network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.