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Apparatus and method for encryption key generation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/00
출원번호 US-0034823 (1998-03-04)
발명자 / 주소
  • Butler Theodore
  • Wong Marcus
출원인 / 주소
  • AT&T Corporation
대리인 / 주소
    Oliff & Berridge, PLC
인용정보 피인용 횟수 : 62  인용 특허 : 14

초록 ▼

An encryption key generation system generates encryption keys at both an originating terminal and a terminating terminal of a wireless network. A central controller generates a shared secret based on the identification information of a requesting terminal and a first number, which may be random. The

대표청구항 ▼

[ What is claimed is:] [1.] A method for operating an encryption system, comprising:broadcasting a first number;receiving an authenticating request from a first individual subscriber unit (ISU);generating a second number based on the authenticating request and information from a database, the databa

이 특허에 인용된 특허 (14)

  1. Ohashi Masayoshi (Saitama JPX) Takeuchi Yoshio (Saitama JPX) Suzuki Toshinori (Tokyo JPX) Yamaguchi Akira (Tokyo JPX) Sakai Seiichiro (Tokyo JPX) Mizuno Toshio (Saitama JPX), Authentication method for mobile communications.
    상세보기
  2. Reeds ; III James A. (New Providence) Treventi Philip A. (Murray Hill) Yu I-Hsiang (Cedar Knolls NJ), Cellular telephony authentication arrangement.
    상세보기
  3. Brown Daniel P. (Elmhurst IL) Finkelstein Louis D. (Wheeling IL), Method and apparatus for authentication in a communication system.
    상세보기
  4. Brown Daniel P. (Elmhurst IL) Finkelstein Louis D. (Wheeling IL) Smolinske Jeffrey C. (Hoffman Estates IL), Method and apparatus for efficient real-time authentication and encryption in a communication system.
    상세보기
  5. Rogaway Phillip W. (Austin TX), Method and apparatus for entity authentication and key distribution secure against off-line adversarial attacks.
    상세보기
  6. Bellare Mihir M. (New York NY) Rogaway Phillip W. (Austin TX), Method and apparatus for three-party entity authentication and key distribution using message authentication codes.
    상세보기
  7. Suzuki Shigefusa (Saitama JPX) Nohara Tatsuo (Tokyo JPX), Method of authentication with improved security for secrecy of authentication key.
    상세보기
  8. Dent Paul W. (Stehag SEX) Raith Alex K. (Kista SEX) Dahlin Jan E. S. (Jrflla SEX), Method of carrying out an authentication check between a base station and a mobile station in a mobile radio system.
    상세보기
  9. Nevoux Rola (Elancourt FRX) Campana Mireille (Clamart FRX), Process of combined authentication of a telecommunication terminal and of a user module.
    상세보기
  10. Koopman ; Jr. Philip J. (Hebron CT) Finn Alan M. (Amston CT), Pseudorandom number generation and cryptographic authentication.
    상세보기
  11. Mizikovsky Semyon B., Re-authentication procedure for over-the-air activation.
    상세보기
  12. Tomoike Hiroyuki,JPX, Roaming method capable of improving roaming registration procedure.
    상세보기
  13. Reeds ; III James A. (New Providence NJ) Treventi Philip A. (Murray Hill NJ), Service provision authentication protocol.
    상세보기
  14. Yahagi Masahiko (Tokyo JPX), System and method of authenticating a service request in a mobile communication system.
    상세보기

이 특허를 인용한 특허 (62)

  1. Slick,Royce E.; Yang,Joseph; Zhang,William, Automatic generation of a new encryption key.
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  2. Peinado, Marcus, Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like.
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  3. Peinado,Marcus, Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like.
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  4. Peinado, Marcus, Binding a digital license to a portable or the like in a digital rights management (DMR) system and checking out/checking in the digital license to/from the portable device or the like.
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  5. Leung,Yuen Yu; Peinado,Marcus; Strom,Clifford P., Binding content to a portable storage device or the like in a digital rights management (DRM) system.
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  6. Leung,Yuen Yu; Peinado,Marcus; Strom,Clifford P., Binding digital content to a portable storage device or the like in a digital rights management (DRM) system.
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  7. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content decrypting apparatus and operating method thereof.
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  8. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content decrypting apparatus and operating method thereof.
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  9. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content decrypting apparatus and operating method thereof.
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  10. Cho, Young-Soon; Kang, Myeong-Joon; Kim, Jae-Young; Jung, Han, Digital content decrypting apparatus and operating method thereof.
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  11. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content encrypting apparatus and operating method thereof.
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  12. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content encrypting apparatus and operating method thereof.
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  13. Cho, Young Soon; Kang, Myeong Joon; Kim, Jae Young; Jung, Han, Digital content encrypting apparatus and operating method thereof.
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  14. Cho, Young-Soon; Kang, Myeong-Joon; Kim, Jae-Young; Jung, Han, Digital content encrypting apparatus and operating method thereof.
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  15. Cho, Young-Soon; Kang, Myeong-Joon; Kim, Jae-Young; Jung, Han, Digital data file encryption apparatus and method.
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  16. Cho, Young-Soon; Kang, Myeong-Joon; Kim, Jae-Young; Jung, Han, Digital data file encryption apparatus and method.
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  17. Mark Raymond Pace ; Brooks Cash Talley, Distributed content identification system.
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  18. Wang, Ynjiun P.; Ding, Joshua C.; Grizzard, James A., Electronic transaction systems and methods therefor.
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  19. Wang, Ynjiun P.; Ding, Joshua C.; Grizzard, James A., Electronic transaction systems and methods therefor.
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  20. Wang, Ynjiun P.; Ding, Joshua C.; Grizzard, James A., Electronic transaction systems utilizing a PEAD and a private key.
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  21. Yato, Akifumi; Kaji, Tadashi; Takata, Osamu; Fujishiro, Takahiro; Hoshino, Kazuyoshi, Encryption communication method and system.
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  22. Hughes, James Prescott; McCown, Steven Harvey, Encryption key management system using multiple smart cards.
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  23. Oliveira, Eduardo P.; Dunbar, Geoffrey; Alkove, James M., Encryption scheme for streamed multimedia content protected by rights management system.
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  24. Khandelwal, Vikas; Oliveira, Eduardo P.; Van Dyke, Clifford P.; VanAntwerp, Mark D.; Storm, Clifford P.; Alkove, James M., Extensible media rights.
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  25. Hatlelid, Kristjan E., First computer process and second computer process proxy-executing code from third computer process on behalf of first process.
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  26. Lilikov, Andrey; Rule, Donald H.; Hatlelid, Kristjan E.; Zvi, Nir Ben, First computer process and second computer process proxy-executing code on behalf of first process.
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  27. Lilikov, Andrey; Rule, Donald H.; Hatlelid, Kristjan E.; Zvi, Nir Ben, First computer process and second computer process proxy-executing code on behalf of first process.
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  28. Lelikov, Andrey; Gunyakti, Caglar; Hatlelid, Kristjan E., First computer process and second computer process proxy-executing code on behalf thereof.
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  29. Brooks, Cecil Ray; Girotto, Jay Robert; Gunyakti, Caglar; Haugen, Todd, Flexible licensing architecture for licensing digital application.
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  30. Brooks, Cecil Ray; Girotto, Jay Robert; Gunyakti, Caglar; Haugen, Todd, Flexible licensing architecture for licensing digital application.
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  31. Reece,Richard W., Global encryption system.
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  32. Bourne, Steve; Dillaway, Blair Brewster; Jacomet, Pierre; Malaviarachchi, Rushmi U.; Parambir, Kumar B.; Rozenfeld, Yevgeniy Eugene; Venkatesh, Chandramouli; Rose, Charles F., Issuing a publisher use license off-line in a digital rights management (DRM) system.
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  33. Bourne, Steve; Dillaway, Blair Brewster; Jacomet, Pierre; Malviarachchi, Rushmi U; Parambir, Kumar B; Rozenfeld, Yevgeniy Eugene; Venkatesh, Chandramouli; Rose, III, Charles F, Issuing a publisher use license off-line in a digital rights management (DRM) system.
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  34. Takata,Osamu; Fujishiro,Takahiro; Kaji,Tadashi; Hoshino,Kazuyoshi, Key allocating method and key allocation system for encrypted communication.
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  35. Strom, Clifford P.; Siu, Michael Y.; Evans, Brian P., Licensing content for use on portable device.
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  36. Quick, Jr., Roy F.; Rose, Gregory G., Local authentication of mobile subscribers outside their home systems.
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  38. Dillaway, Blair Brewster; LaMacchia, Brian; Manferdelli, John; Paramasivam, Muthukrishnan, Long-life digital certification for publishing long-life digital content or the like in content rights management system or the like.
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  39. Takata, Osamu; Fujishiro, Takahiro; Kaji, Tadashi; Hoshino, Kazuyoshi, Management server, communication apparatus and program implementing key allocation system for encrypted communication.
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  40. Mosgrove,Isaac J.; Briskey,Teri Lynn챕; Bellamy,Dirk L.; Beebe,Sean; Westfall,Scott D.; Sinn,Dean; Chapin,Ron; Kuenzi,Adam; Luebeck,Jon Marc; Condon,David, Managing access to physical assets.
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  41. Rochette, Philip Andre; Mummert, Randall William, Method and system for generating electronic keys.
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  42. Brynielsson,Thore, Method and system for radio communication with mobile units.
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  43. Vieweg, Stefan; Jungemann, Matthias; Schmidt, Maik; Thoenissen, Michael, Method for inserting a service key in a terminal and devices for implementing said method.
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  44. Garay, Juan A.; Staddon, Jessica N.; Wool, Avishai, Method for providing long-lived broadcast encrypton.
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  45. Antti,Huima, Method, element and system for securing communication between two parties.
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  46. Davis, Terry L., Multi-use long string authentication keys.
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  47. Davis, Terry L., Multi-use long string authentication keys.
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  48. Alkove, James M.; Strom, Clifford P.; Cutter, Jr., Benjamin B.; Evans, Brian P., Output protection levels.
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  49. Evans, Brian P.; Strom, Clifford P.; Dunbar, Geoffrey; Prologo, Richard D., Playlist burning in rights-management context.
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  50. Yamagiwa,Toshio, Product management system.
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  51. Oliveira, Eduardo P.; Klemets, Anders E.; Bhatt, Sanjay; Paka, Anand; Alkove, James M., Protecting digital media of various content types.
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  52. Larson, Wayne F.; Kuenzi, Adam; Antrican, Jeff; Briskey, Teri Lynné, Restricted range lockbox, access device and methods.
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  53. Evans, Brian P.; Strom, Clifford P.; Rosenstein, Daniel, Rights management system for streamed multimedia content.
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  54. Evans, Brian P.; Strom, Clifford P.; Rosenstein, Daniel; Paka, Anand D.; Fang, Nicholas J.; Oliveria, Eduardo, Rights management system for streamed multimedia content.
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  55. Van Dyke, Clifford P.; Cheng, David J.; Mohan, Siva, Rights management system for streamed multimedia content.
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  56. Jain, Amit; Evans, Brian P.; Strom, Clifford P.; Cutter, Jr., Benjamin B., Secure clock with grace periods.
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  57. Arnoux,Christophe, Secure identification method between two radiofrequency network appliances.
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  58. Peck, Richard W., Subscriber validation method in cellular communication system.
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  59. Liu, Yeu; Pandya, Ravi; Ivanov, Lazar; Paramasivam, Muthukrishnan; Gunyakti, Caglar; Gui, Dongmei; Hsu, Scott W. P., Supplementary trust model for software licensing/commercial digital distribution policy.
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  60. Kester, Harold M.; Dimm, John Ross; Anderson, Mark Richard; Papa, Joseph, System and method of monitoring and controlling application files.
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  61. Kester, Harold M.; Hegli, Ronald B.; Dimm, John Ross; Anderson, Mark Richard, System and method of monitoring and controlling application files.
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  62. Simon Paul Ashley Rix ZA; Andrew Augustine Wajs NL, System for broadcasting data signals in a secure manner.
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