System and method for digital signature authentication of SMS messages
US7353394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2003 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Jan 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S40/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention allows SMS messages authentication through the use of a digital signature computed with the International Mobile Equipment Identity (IMEI) as a key. Particularly, a text messaging system having the ability to send SMS messages to remotely managed wireless terminal equipment is disclosed and includes a system to generate such digital signature and to store it in available Information Element fields of the TP-User Data of the SMS message. Receiving wireless terminal equipment that are configured for IMEI-based signature security, still keep the option to process both SMS messages having the IMEI-based signature or not. Receiving wireless terminal equipment not enabled for IMEI-based signature security process the SMS normally.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.