Telecommunication installation with secure remote loading of prepayment means and corresponding remote loading process
US5412726A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1993 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Sep 21, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/32
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The installation comprises a remote loading mode in which in response to a remote loading request word (R) for a predetermined number of value units emanating from the autonomous set (PA), there is provided: PA1 an active authentication of the autonomous set (PA) and of the access system (SAA); PA1 a calculation of a remote loading passkey (KCH or (SCH, PCH)) at the level of the authorization center (CA); PA1 a transmission of the enciphered remote loading passkey destined for the access system (SAA); PA1 a secure remote loading of the prepayment means (MPAY) originating from the access system with the aid of the remote loading passkey thus transmitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.