SECURE CONFERENCING OVER IP-BASED NETWORKS

• US 20080263648A1
• Filed: 04/17/2008
• Published: 10/23/2008
• Est. Priority Date: 04/17/2007
• Status: Abandoned Application

• Current Assignee: Infosys Technologies Limited (Infosys Limited)
• Original Assignee: Infosys Technologies Limited (Infosys Limited)
• Inventors: Sathyan, Jithesh, Sathyan, Harish, Unni, Naveen Krishnan
• Application Number:
  US12/105,205
• Publication Number:
  US 20080263648A1
• Time in Patent Office: Days
• US Class Current: 726/7
• CPC Class Codes: H04L 2209/603 Digital right managament [DRM]
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 63/1441 Countermeasures against malicious traffic countermeasures against attacks on cryptographic mechanisms H04L9/002
• CPC Class Codes: H04L 63/164 at the network layer
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/403 Arrangements for multi-party communication, e.g. for conferences data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15
• CPC Class Codes: H04L 9/32 including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials

Abstract

Methods and systems for secure conferencing over an IMS network or other networks include sending request by at least one user to access to an application server. The user is validated using a validation coupon provided by the user equipment followed by identifying and allowing the user equipment to download a valid media client. Conference data is encrypted and transmitted to the user equipment, and processed by the media client. Typically, the encrypted conference data is decrypted by the media client and communicated to a user interface presentation to the user. In some examples, the conference data is validated prior to downloading to the user equipment.

Claims

1. A method of secure conferencing, comprising:

validating at least one user based on a validation coupon provided by user equipment associated with the at least one user; and

transmitting an authorization associated with the at least one user based on the validation, wherein the transmitted authorization is associated with download of a media client.

2. The method of claim 1, wherein the media client is based on the validation coupon provided by the user equipment.

3. The method of claim 1, wherein the media client is configured to receive the validation coupon and determine that the media client is valid with respect to the validation coupon.

4. The method of claim 1, wherein the validation is associated with access to an application server, and the media client is configured to access the application server.

5. The method of claim 1, further comprising receiving a connection request associated with establishing communications with the user equipment based on the media client.

6. The method of claim 5, wherein the connection request is associated with providing conference data to the user equipment, and further comprising transmitting encrypted conference data to the user equipment, wherein the encrypted conference data is encrypted based on the validation coupon.

7. The method of claim 1, wherein at least one of the validation coupon and the user authorization is communicated via an Internet Protocol (IP) based network.

8. The method of claim 7, wherein the IP based network includes at least one of an IP multimedia subsystem network (IMS network) or a packet based network.

9. The method of claim 1, wherein the validation coupon includes at least one of a user identity, an equipment identity, and a shared key associated with a plurality of devices.

10. The method of claim 9, wherein the validation coupon includes a user identity and an equipment identity.

11. The method of claim 10, wherein the equipment identity is an International Mobile Equipment Identity (IMEI).

12. The method of claim 1, wherein the authorization is transmitted to the user equipment.

13. A user station, comprising:

a memory configured to store an equipment identifier associated with the user station; and

a transceiver configured to transmit a request for services that includes a validation coupon, wherein the validation coupon comprises the equipment identifier.

14. The user station of claim 13, wherein the transceiver is configured to receive a media client in response to the request, wherein the media client is based on the validation coupon.

15. The user station of claim 14, further comprising a processor configured to execute the media client such that data to be transmitted to the user station is validated based on the validation coupon prior to transmission, and the transceiver transmits an transmission authorization based on the data validation.

16. The user station of claim 15, wherein the equipment identifier is associated with user equipment for two or more users.

17. The user station of claim 16, wherein the transceiver is configured to receive the public identifier, and the processor is configured to store the public identifier in the memory.

18. The user station of claim 14, further wherein the processor is configured to receive encrypted data and decrypt the data based on the media client and the validation coupon.

19. An application server, comprising:

a validation module configured to receive a validation coupon and determine if a user is authorized to access services provided by the application server; and

a download module configured to communicate a media client to a user, wherein the download module configures the media client to process media data based on at least a portion of the validation coupon.

20. The application server of claim 19, further comprising a media control module configured to deliver the media data based on at least a portion of the validation coupon.

21. The application server of claim 20, wherein the media control module is configured to deliver the media data based on at least one of a public identifier and an equipment identifier.

22. The application server of claim 20, wherein the media data is audio data, video data, text data, or image data.

23. The application server of claim 22, media data is delivered based on a Real Time Transport Protocol or a Real Time Streaming Protocol.

24. An application server configured to provide conference data, the application server comprising:

a conference control module configured to distribute conference data;

a media client download module configured to authorize a plurality of user stations to download a valid media client upon successful validation of a validation coupon; and

a water mark module configured to encrypt the conference data using the validation coupon and communicate the encrypted data to the plurality of user stations.

25. The application server of claim 24, wherein the media client download module provides a media client configured to decrypt encrypted data provided by the application server.

26. The application server of claim 24, further comprising a filter module configured to receive the validation coupon and authorize download to the associated user and user station.

27. The application server of claim 24, further comprising a decoder for decrypting requests for services received from the user stations.

28. The application server of claim 24, wherein the valid media client includes a validator to determine if the conference data is valid with respect to the plurality of user stations, and the media client is configured to deliver the conference upon data validation.

29. The application server of claim 28, wherein the valid media client is configured based on a media key provided by a content provider.

30. A computer program product comprising a computer readable medium having a computer readable program code embodied therein for the method comprising:

validating a plurality of users for access to an application server based on validation coupons provided by a corresponding plurality of user stations;

enabling the plurality of user stations to download a valid media client from the application server after successful validation, wherein the valid media client for each user station is configured to decrypt conference data based on the validation coupon associated with the user station;

encrypting the conference data for each of the user stations using the validation coupons provided by the plurality of user stations;

downloading the encrypted conference data to the plurality of user stations; and

decrypting the conference data and coupling the decrypted conference to a user interface at each of the plurality of user stations.

31. The computer program product of claim 30, further comprising computer-readable program code for identifying the availability of a valid media client in the plurality of user stations based on a key provided by a content provider.