Processing method for control messages and security module to carry out said method
US9307276B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Sep 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4623
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention concerns a method for processing messages intended to allow the access to conditional access content and to a security module arranged for implementing this method. The method comprises the steps of receiving by a security module comprising at least one decryption module, a plurality of messages, these messages belonging to at least two different categories; assigning a different priority level to messages from each different category, one of said priority level being defined as high and another priority level, lower that the high priority level, being defined as the standard priority level; associating a value to the messages to which the standard priority level has been assigned; assigning at least one threshold value for the value associated with messages having a standard priority level; and comparing between the threshold value for a determined message and the value associated with said message. If no value associated with said message having standard priority level exceeds the corresponding threshold value, processing the messages according to their priority level, a message to which the high priority level has been assigned being processed before a mess…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.