Protocol for Program during Startup Sequence

• US 20100121965A1
• Filed: 06/04/2009
• Published: 05/13/2010
• Est. Priority Date: 11/12/2008
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Palm, Inc. (TCL Technology Group Corp.)
• Inventors: Chatterjee, Manjirnath
• Granted Patent: US 9,083,686 B2
• Time in Patent Office: Days
• US Class Current: 709/229
• CPC Class Codes: H04L 2209/80 Wireless network architectures or network communication protocols for wireless network security H04W12/00
• CPC Class Codes: H04L 63/08 for authentication of entities cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32
• CPC Class Codes: H04L 63/0823 using certificates cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/3263
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources
• CPC Class Codes: H04L 9/3236 using cryptographic hash functions

Abstract

A system and a method are disclosed to determine if a client (e.g., an accessory (or peripheral)) is appropriately licensed for interoperation with a host (e.g., host computer). The client communicatively couples the host and receives a contract from the host. The client computes a checksum of the contract and compares the checksum of the contract with a previously stored version of the contract or a checksum of the contract to determine a match. If there is no match, the host communicatively decouples the client in response to the determination being a no match. If there is a match, the client transmits a contract response to the host and awaits host authorization. Once authorized the client transmits enumeration data to the host.

Claims

1. A computer-implemented method executable by a client device for permitting authorization with a host device, the method comprising:

communicatively coupling the host device;

receiving a file corresponding to a legal agreement from the host device;

computing a checksum of the file;

comparing the checksum of the file with a previously stored version of a checksum of the file to determine a match;

communicatively decoupling from the host device in response to the determination being a no match;

transmitting a response file to the host device in response to the determination begin the match; and

receiving, from the host device in response to the transmitted response file, authorization to transmit enumeration data.

2. The method of claim 1, wherein the legal agreement comprises a legal agreement text.

3. The method of claim 2, wherein the response file comprises a legal response text.

4. The method of claim 3, wherein the client device comprises a computing accessory and the host device comprises a computing device.

5. The method of claim 4, wherein the computing accessory comprises one of a physical accessory or a software accessory.

6. The method of claim 1, further comprising communicatively decoupling from the host device in response to not receiving host authorization to transit enumeration data.

7. A computer readable storage medium, storing instructions thereon, the instructions when executed by a processor cause the processor to:

communicatively couple with the host device;

receive a contract from the host device;

compute a checksum of the contract;

compare the checksum of the contract with a previously stored version of a checksum of the contract to determine a match;

communicatively decoupling from the host device in response to the determination being a no match;

transmit a contract response to the host device; and

receive, from the host device, authorization to transmit enumeration data.

8. The computer readable storage medium of claim 7, wherein the contract comprise a legal agreement text.

9. The claim computer readable storage medium of claim 8, wherein the contact response comprises a legal response text.

10. The computer readable storage medium of claim 9, wherein the client device comprises a computing accessory and the host device comprises a computing device.

11. The computer readable storage medium of claim 10, wherein the computing accessory comprises one of a physical accessory or a software accessory.

12. The computer readable storage medium of claim 7, further comprising instructions that cause the processor to communicatively decouple from the host device in response to not receiving host authorization to transit enumeration data.

13. A computer-implemented method for permitting authorization of a client device with a host device, the method comprising:

receiving an indication of communicatively coupling with the host device;

transmitting an agreement file to the client device, the agreement file corresponding to a pre-negotiated agreement;

receiving from the client device a response file in response to the transmitted agreement file;

comparing the response file with a pre-stored version of the response file authorizing, in response to a match between the response file and the pre-stored version of the response file, access for the client device; and

receiving, from the client device, enumeration data.

14. The method of claim 13, wherein comparing further comprises computing a checksum of the response file and comparing it with a pre-stored version of a checksum of the response file to determine a match.

15. The method of claim 13, wherein comparing further comprises comparing characters of the agreement file with characters in the response file to determine a match.

16. The method of claim 13, further comprising at least one of:

communicatively decoupling from the host device in response to the determination being a no match, and

granting access to the host device for a predetermined period of time in response to the determination being a no match.

17. The method of claim 13, wherein the agreement file comprises a legal agreement text.

18. The method of claim 17, wherein the response file comprises a legal response text.

19. The method of claim 13, wherein the client device comprises an accessory and the host device comprises a computing device.

20. The method of claim 16, wherein the accessory comprises one of a physical accessory or a logical accessory.

21. A computer-implemented method for permitting authorization of a client device with a host device, the method comprising:

communicatively coupling the host device;

receiving a message from the host device;

transmitting a message response to the host device in response to the received message, the message response associated with the received message; and

receiving from the host authorization to transmit enumeration data.

22. The method of claim 21, further comprising:

computing a checksum of the message;

comparing the checksum of the message with a pre-stored version of a checksum of the message to determine a match; and

communicatively decoupling from the host in response to the determination being a no match.

23. The method of claim 21, wherein the message comprises text characters.

24. The method of claim 23, wherein the message response comprises a response of text characters.

25. The method of claim 24, wherein the client comprises an accessory and the host comprises a computing device.

26. The method of claim 25, wherein the accessory comprises one of a physical accessory or a software accessory.

27. A computer readable storage medium, storing instructions thereon, the instructions when executed by a processor cause the processor to:

communicatively couple the host device;

receive a message from the host device;

transmit a message response to the host device in response to the received message, the message response associated with the received message; and

receive from the host authorization to transmit enumeration data.

28. The computer readable storage medium of claim 27, further comprising instructions that cause the processor to:

compute a checksum of the message;

compare the checksum of the message with a pre-stored version of a checksum of the message to determine a match; and

communicatively decouple from the host in response to the determination being a no match.

29. The computer readable storage medium of claim 28, wherein the message comprises text characters.

30. The computer readable storage medium of claim 29, wherein the message response comprises a response of text characters.

31. The computer readable storage medium of claim 30, wherein the client comprises an accessory and the host comprises a computing device.

32. The computer readable storage medium of claim 31, wherein the accessory comprises one of a physical accessory or a software accessory.