FIELD: radio engineering, communication.
SUBSTANCE: invention relates to data transmission. Content usage device periodically transmits an exchangeable key and a corresponding key identifier using a command. A content providing device stores an exchangeable key only after receiving an identifier of said key with a given receiving cycle. If such periodic reception of the key identifier does not occur, the content providing device deletes the corresponding exchangeable key. Further, upon receiving a command containing the identifier of the deleted key, the content providing device returns a response containing information indicating that the exchangeable key has become invalid.
EFFECT: enabling transmission of the same content with multiple devices.
10 cl, 11 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| KEY GENERATION IN COMMUNICATION SYSTEM | 2003 |
|
RU2333607C2 |
| COMMUNICATION DEVICE AND METHOD FOR DETERMINATION OF COMMUNICATION LEVEL ROLE | 2007 |
|
RU2402883C2 |
| TRANSMISSION SYSTEM AND TRANSMISSION METHOD | 2011 |
|
RU2547632C2 |
| PROXY MOBILE INTERNET PROTOCOL (PMIP) IN MULTI-INTERFACE COMMUNICATION ENVIRONMENT | 2009 |
|
RU2484603C2 |
| IMPROVEMENTS IN VEHICLE DATA OR MESSAGE TRANSMISSION USING SCALABLE SERVICE ORIENTED MIDDLEWARE OVER IP COMMUNICATION PROTOCOL | 2020 |
|
RU2797357C2 |
| METHOD AND APPARATUS FOR PROVIDING COMMUNICATION WITH SERVICE USING RECIPIENT IDENTIFIER | 2011 |
|
RU2568287C2 |
| METHOD FOR USER TERMINAL AUTHENTICATION OF INTERFACE SERVER AND INTERFACE SERVER AND USER TERMINAL THEREFOR | 2009 |
|
RU2491771C2 |
| METHOD AND DEVICE FOR RANDOM ACCESS IN ORTHOGONAL MULTIPLE ACCESS COMMUNICATION SYSTEM | 2007 |
|
RU2452139C1 |
| CONNECTION OF DEVICES | 2012 |
|
RU2631137C2 |
| TRANSMISSION CONTROL SYSTEM AND TRANSMISSION SYSTEM | 2011 |
|
RU2536801C2 |
