Abstract
Tokens/keys are produced for wireless communications. These tokens/keys are used for watermarks signature insertion encryption and other uses. In one embodiment contextual information is used to generate tokens/keys. The tokens/keys may be derived directly from the contextual information. The contextual information may be used in conjunction with other information to derive the tokens/keys. Tokens/keys may be exchanged between transmit/receive units. The exchange of these tokens/keys may be encrypted.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| WO2005053209A3 | 3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A method comprising: producing transmit/receive unit (TRU) specific information; using the TRU specific information to produce a token key; using the produced token/key to produce a watermark, signature or encryption code for using in a wireless communication.
2. The method of claim 1 wherein the TRU specific information includes information relating to a user of the TRU.
3. The method of claim 1 wherein the TRU specific information includes information relating to hardware/software of the TRU.
4. The method of claim 1 wherein the TRU specific information includes time/date information.
5. The method of claim 1 wherein the TRU specific information includes measurements taken by the TRU.
6. The method of claim 1 wherein the TRU specific information includes multipath related information.
7. The method of claim 1 wherein the TRU specific information includes antenna related information.
8. The method of claim 1 wherein the TRU specific information includes location/velocity related information of the TRU.
9. The method of claim 1 wherein the TRU specific information includes information of a model of a physical environment of the TRU
10. The method of claim 1 wherein the TRU specific information includes control and signal information.', "11. The method of claim 1 wherein the TRU specific information includes information of a TRU/user group associated with the TRU/TRU's user."12. The method of claim 1 wherein the TRU is a wireless TRU
15. The method of claim 1 wherein the produced token is used to authenticate the TRU
16. A method comprising: providing a first token/key for use in producing a watermark, signature or encryption code; and based on the first token/key, producing a second token/key, the production of the second token/key is either a function of or derived from the first token/key or controlled by the first token/key
17. A method comprising: providing a plurality of information for use in generating a token/key, for use in a watermark, signature or encryption code; and combining the plurality of information and adjusting a length of a result to facilitate the use of the token/key in producing a watermark, signature or encryption code
18. The method of claim 17 wherein the plurality of information is information across a plurality of abstraction layers
19. A method for reducing transmit/receive unit (TRU) processing in a TRU, the method comprising: producing at least one watermark/signature using at least one token/key; and inserting the at least one watermark/signature onto a plurality of abstraction layers associated with a wireless communication; and verifying the watermark/signature on at least a lowest of the plurality of abstraction layers.
20. The method of claim 19 wherein the lowest abstraction layer is a physical layer.
21. The method of claim 19 further comprising not processing the wireless communication when the verifying the watermark/signature at the lowest abstraction layer fails.
22. A method for determining whether a change in criteria for generating tokens keys is necessary, the tokens/keys are used for watermarking, signature insertion or encryption, the method comprising: providing token/key criteria currently used in producing tokens/keys for watermarking, signature insertion or encryption; determining whether a length of the tokens/keys produced by the criteria meet a length requirement; determining whether a randomness of the tokens/keys produced by the criteria meet a desired randomness; and determining whether the tokens/keys produced by the criteria meet a time variance requirement; and changing the criteria for producing the tokens/keys when any of the length requirement, the desired randomness or the time variance requirement are not met.
23. A method for exchanging tokens/keys between transmit/receive units (TRUs), the method comprising: a first TRU producing a first token/key, the first token/key produced using TRU specific information; encrypting the first token/key; transmitting the encrypted first token/key to a second TRU; the second TRU receiving the encrypted first token/key and decrypting the encrypted first token/key to produce a first decrypted token/key.
24. The method of claim 23 further comprising the second TRU using the decrypted first token/key to produce at least one of a watermark, signature or encryption code.
25. A method of varying security in a wireless system, the method comprising: identifying a security level of a wireless environment; determining a rate/complexity of exchange of tokens/keys, based on the identified security level, wherein the rate/complexity of token exchange increases as the identified security level increases; and wirelessly exchanging tokens/keys at the determined rate/complexity.
26. The method of claim 25 wherein the identified security level is based on a location of the transmit/receive unit.
27. The method of claim 25 wherein the identified security level is based on a number of transmit/receive units in a vicinity.
28. The method of claim 25 wherein the tokens/keys are used to produce at least one of a watermark, signature and encryption code.
29. A method of varying security in a wireless system, the method comprising: identifying a security level of a wireless environment; determining a type of tokens/keys associated with the identified security level, different ones of the security levels have different types of tokens/keys; and wirelessly exchanging the determined type of tokens/keys.
30. The method of claim 29 wherein types of tokens/keys includes no tokens/keys, non-transmit/receive unit (TRU) specific tokens/keys, TRU specific tokens/keys and multiple tokens/keys.
31. A method for security in sensor communication, the method comprising: providing a plurality of sensors; communicating between the sensors; at least one sensor determining a characteristic of another sensor; and the at least one sensor sending a signal when a change in that characteristic occurs as recognition of potential tampering with the another sensor.
32. The method of claim 31 wherein the determined characteristic is within a radio/physical layer.
33. A method for providing security in a wireless communication system, the method comprising: identifying a desired security level out of a plurality of security levels associated with the wireless communication system, each of the plurality of security levels providing a different type of watermark/signature/encryption than others of the security levels; and providing the type of watermark/signature/encryption as identified by the desired security level.
34. A method comprising: providing a plurality of trust zones; providing a transmit/receive unit (TRU) in one of the plurality of trust zones; identifying a node in another of the plurality of trust zones that the TRU wishes to communicate; exchanging tokens/keys with the another trust zone; and communicating with the identified node in the another trust zone after the exchange of tokens.
35. A method comprising: determining a level of security/trust assurance associated with wireless communication for a transmit/receive unit (TRU); and in response to the determined level, displaying to a user of the TRU an indication of the determined level.
36. A method for providing security in a wireless communication system, the method comprising: providing a security channel over a wireless interface having a low level of detectability; and exchanging tokens/keys over the wireless channel.
37. The method of claim 36 wherein the security channel is carried over other channels of a wireless communication system.
38. The method of claim 37 wherein if the other channels do not have data for transfer, the other channels transferring false data to maintain the security channel.
39. A method for identifying a rogue transmit/receive unit (TRU) in a wireless communication system having a plurality of TRUs, the method comprising: a network node receiving tokens/keys from a first TRU; the network node requesting other TRUs to verify information of the first TRU; comparing the received tokens/keys with the verification information by the network node; and based on a result of the comparison, the network node determining whether the first TRU is a rogue TRU.
40. A transmit/receive unit (TRU) comprising: a TRU specific token/key generation device configured to produce a token/key derived from information associated with the TRU; and a watermark/signature/encryption code generation device having an input configured to receive the token/key and produce a watermark/signature/encryption code; and a watermark insertion/signature insertion/encryption device having an input configured to receive a communication signal and an output configured to produce a watermark inserted/signature inserted/encrypted signal for wireless transmission.
41. The TRU of claim 40 further comprising: a token/key recovery device for recovering a token/key from received wireless transmissions.']
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.