METHOD, DEVICE AND SYSTEM OF ENCRYPTED WIRELESS COMMUNICATION

• US 20070297612A1
• Filed: 06/26/2007
• Published: 12/27/2007
• Est. Priority Date: 10/21/2005
• Status: Abandoned Application

• Current Assignee: Amimon Limited (Vitec Group PLC)
• Original Assignee: Amimon Limited (Vitec Group PLC)
• Inventors: Freundlich, Shay, Geri, Noam, Feder, Meir
• Application Number:
  US11/768,518
• Publication Number:
  US 20070297612A1
• Time in Patent Office: Days
• US Class Current: 380/270
• CPC Class Codes: H04L 2209/34 Encoding or coding, e.g. Huffman coding or error correction
• CPC Class Codes: H04L 2209/80 Wireless network architectures or network communication protocols for wireless network security H04W12/00
• CPC Class Codes: H04L 9/065 Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3

Abstract

Some demonstrative embodiments of the invention include devices, systems and/or methods of encrypted wireless communication. Some demonstrative embodiments of the invention include a wireless transmitter to generate an encrypted wireless transmission corresponding to an input signal. The transmission may include at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively. Other embodiments are described and claimed.

Claims

1. A wireless transmitter to generate an encrypted wireless transmission corresponding to an input signal, said transmission comprising at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively.

2. The transmitter of claim 1, wherein said first and second encrypted streams comprise symbols of first and second different constellations, respectively.

3. The transmitter of claim 2, wherein said first and second constellations comprise a fine constellation, and a coarse constellation, respectively.

4. The transmitter of claim 1, wherein said first and second encrypted streams represent a plurality of transformation coefficients corresponding to said input signal.

5. The transmitter of claim 1 comprising an encryptor to generate said first and second encrypted streams by encrypting first and second symbol streams representing said input signal.

6. The transmitter of claim 5, wherein said encryptor comprises:

an encryption code generator to generate or more encryption codes;

a first encryption module to encrypt the first symbol stream using said encryption codes according to said first encryption scheme; and

a second encryption module to encrypt the second symbol stream using said encryption codes according to said second encryption scheme.

7. The transmitter of claim 6, wherein said encryption code generator generates said encryption codes corresponding to a plurality of transmission frames.

8. The transmitter of claim 6, wherein said transmission comprises encryption information corresponding to said encryption codes.

9. The transmitter of claim 8, wherein said encryption information includes one or more encryption keys.

10. The transmitter of claim 5 comprising:

a coefficient generator to apply a transformation to said input signal to generate a plurality of transformation coefficients representing said input signal; and

a mapper to map said transformation coefficients to said first and second symbol streams.

11. The transmitter of claim 1, wherein said input signal comprises a video signal.

12. The transmitter of claim 11, wherein said video signal comprises a high-definition, television signal.

13. A wireless receiver to receive an encrypted wireless transmission representing an input signal and to decrypt the transmission into an output signal corresponding to said input signal, said transmission comprising at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively.

14. The receiver of claim 13, wherein said first and second encrypted streams comprise symbols of first and second different constellations, respectively.

15. The receiver of claim 14, wherein said first and second constellations comprise a fine constellation, and a coarse constellation, respectively.

16. The receiver of claim 13, wherein said first and second encrypted streams represent a plurality of transformation coefficients, and wherein said output signal is based on said plurality of transformation coefficients.

17. The receiver of claim 13 comprising a decryptor to decrypt said first and second encrypted streams into first and second decrypted symbol streams.

18. The receiver of claim 17, wherein said decryptor comprises:

a encryption code generator to generate one or more decryption codes;

a first decryption module to decrypt the first encrypted stream using said decryption codes according to a first decryption scheme corresponding to said first encryption scheme; and

a second decryption module to decrypt the second encrypted stream using said decryption codes according to a second decryption scheme corresponding to said second encryption scheme.

19. The receiver of claims 18, wherein said decryption code generator generates said decryption codes corresponding to a plurality of received transmission frames.

20. The receiver of claim 18, wherein said received transmission comprises encryption information, and wherein, said decryption code generator generates said decryption codes based on said encryption information.

21. The receiver of claim 20, wherein said encryption information includes one or more encryption keys used to encrypt said first and second encrypted streams.

22. The receiver of claim 13, wherein said output signal comprises a video signal.

23. The receiver of claim 22, wherein said video signal comprises a high-definition-television signal.

24. A wireless communication system comprising:

a source module to generate a signal to be transmitted to a destination module; and

a wireless transmitter to generate an encrypted wireless transmission corresponding to said signal, said transmission comprising at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively.

25. The system of claim 24, wherein said source module comprises a video source, and wherein said signal comprises a video signal.

26. The system of claim 24 comprising a receiver to receive said encrypted wireless transmission and to decrypt said transmission into an output signal.

27. The system of claim 24, wherein said first and second encrypted streams comprise symbols of first and second different constellations, respectively.

28. The system of claim 24, wherein said first and second encrypted streams represent a plurality of transformation coefficients corresponding to said signal.

29. A method of encrypted wireless communication, the method comprising:

transmitting an encrypted wireless transmission corresponding to an input signal, said transmission comprising at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively.

30. The method of claim 29, wherein said first and second encrypted streams comprise symbols of first and second different constellations, respectively.

31. The method of claim 29, wherein said first and second encrypted streams represent a plurality of transformation coefficients corresponding to said input signal.

32. The method of claim 29 comprising encrypting first and second symbol streams representing said input signal to generate said first and second encrypted streams.

33. The method of claim 32, wherein said encrypting comprises:

generating one or more encryption codes;

encrypting the first symbol stream using said encryption codes according to said first encryption scheme, and

encrypting the second symbol stream using said encryption codes according to said second encryption scheme.

34. The method of claim 32 comprising:

receiving said encrypted wireless transmission; and

decrypting the transmission into a decrypted output signal corresponding to said input signal.

35. The method of claim 32, wherein said input signal comprises a video signal.

36. A method of encrypted wireless communication, the method comprising:

receiving an encrypted wireless transmission representing an input signal; and

decrypting the transmission into a decrypted output signal corresponding to said input signal, said transmission comprising at least first and second encrypted streams of symbols encrypted according to at least first and second different encryption schemes, respectively.

37. The method of claim 36, wherein said first and second encrypted steams comprise symbols of first and second different constellations, respectively.

38. The method of claim 36, wherein said first and second encrypted streams represent a plurality of transformation coefficients, and wherein said output signal is based on said plurality of transformation coefficients.

39. The method of claim 36, wherein decrypting said transmission comprises decrypting said first and second encrypted streams into first and second decrypted symbol streams.

40. The method of claim 39, wherein decrypting said first and second encrypted streams comprises:

generate one or more decryption codes;

decrypting the first encrypted stream using said decryption codes according to a first decryption scheme corresponding to said first encryption scheme; and

decrypting the second encrypted stream using said decryption codes according to a second decryption scheme corresponding to said second encryption scheme.

41. The method of claim 40, wherein generating said decryption codes comprises generating said decryption codes corresponding to a plurality of received transmission frames.

42. The method of claim 36, wherein said output signal comprises a video signal.