RU2006103624A - Устройство и способ для защищенной системы радиопередачи - Google Patents

Устройство и способ для защищенной системы радиопередачи Download PDF

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RU2006103624A
RU2006103624A RU2006103624/09A RU2006103624A RU2006103624A RU 2006103624 A RU2006103624 A RU 2006103624A RU 2006103624/09 A RU2006103624/09 A RU 2006103624/09A RU 2006103624 A RU2006103624 A RU 2006103624A RU 2006103624 A RU2006103624 A RU 2006103624A
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encryption keys
key
access key
generating
computer
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RU2006103624/09A
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RU2419223C2 (ru
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Грегори Дж. РОУЗ (AU)
Грегори Дж. Роуз
Джеймс СЭМПЛ (GB)
Джеймс СЭМПЛ
Рой Франклин КВИК (US)
Рой Франклин КВИК
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Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
    • H04W12/0431—Key distribution or pre-distribution; Key agreement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Claims (34)

1. Способ защищенной обработки в устройстве, которое надежно хранит секретный ключ, заключающийся в том, что
принимают множество вызовов из сети;
генерируют множество ключей шифрования на основании секретного ключа и множества вызовов; и
генерируют ключ доступа на основании множества ключей шифрования.
2. Способ по п.1, в котором дополнительно
используют множество вызовов и секретный ключ для генерации множества ответов аутентификации; и
посылают по меньшей мере один ответ аутентификации в сеть.
3. Способ по п.2, в котором дополнительно
отклоняют любые ответы аутентификации, не посланные в сеть.
4. Способ по любому из пп.1-3, в котором прием множества вызовов содержит этап, на котором принимают множество случайных значений.
5. Способ по п.1 или любому из пп.2 и 3, зависимых от него, в котором ключ доступа более длинный, чем ключ шифрования.
6. Способ по п.5, в котором генерация ключа доступа содержит этап, на котором
связывают множество ключей шифрования.
7. Способ по п.5, в котором генерация ключа доступа содержит этап, на котором
используют хеш-функцию на множестве ключей шифрования.
8. Способ по п.7, в котором хеш-функция содержит SHA-1 для смешивания множества ключей шифрования.
9. Способ по п.1 или любому из пп.2 и 3, зависимых от него, в котором сохранение секретного ключа содержит этап, на котором
сохраняют 128 битный ключ аутентификации абонента как секретный ключ в модуле идентификации абонента мобильного телефона, используя стандарт глобальной системы мобильной связи.
10. Способ по п.9, в котором генерация множества ключей шифрования содержит этап, на котором генерируют 64 битные ключи шифрования; и
при этом генерация ключа доступа содержит этап, на котором генерируют 128 битный ключ доступа радиопередачи, используя два ключа шифрования.
11. Способ по п.1 или любому из пп.2 и 3, зависимых от него, в котором сохранение секретного ключа содержит этап, на котором
сохраняют 128 битный ключ аутентификации абонента как секретный ключ в универсальном модуле идентификации абонента мобильного телефона, используя стандарт универсальной системы мобильной связи.
12. Способ по п.11, в котором генерация множества ключей шифрования содержит этап, на котором генерируют 64 битные ключи шифрования; и
при этом генерация ключа доступа содержит этап, на котором генерируют 128 битный ключ доступа радиопередачи, используя два ключа шифрования.
13. Способ по п.1 или любому из пп.2 и 3, зависимых от него, в котором генерация ключа доступа содержит этап, на котором генерируют ключ доступа радиопередачи; и при этом дополнительно
принимают зашифрованное содержание радиопередачи; и
расшифровывают содержание радиопередачи на основании ключа доступа радиопередачи.
14. Способ по п.13, в котором расшифровка содержания содержит этапы, на которых
генерируют временный ключ расшифровки на основании каждого вызова и ключа доступа радиопередачи; и
расшифровывают содержание радиопередачи, используя временный ключ расшифровки.
15. Устройство для использования в мобильном телефоне, содержащее
смарт-карту (ICC), сконфигурированную с возможностью надежного хранения секретного ключа и генерирования множества ключей шифрования на основании секретного ключа и множества вызовов, принятых из сети; и
процессор, соединенный с ICC и сконфигурированный с возможностью генерации ключа доступа на основании множества ключей шифрования.
16. Устройство по п.15, дополнительно содержащее передатчик, соединенный с ICC; причем ICC использует множество вызовов и секретный ключ для генерации множества ответов аутентификации; и при этом передатчик сконфигурирован с возможностью посылки по меньшей мере одного ответа аутентификации в сеть.
17. Устройство по пп.15 или 16, зависимому от него, в котором вызов содержит случайное значение.
18. Устройство по п.15 или 16, зависимому от него, в котором ICC является модулем идентификации абонента (SIM) мобильного телефона, использующего стандарт глобальной системы мобильной связи.
19. Устройство по п.18, в котором SIM хранит 128 битный ключ аутентификации абонента как секретный ключ и генерирует 64 битные ключи шифрования; и при этом процессор генерирует 128 битный ключ доступа радиопередачи, используя два ключа шифрования.
20. Устройство по п.15 или 16, зависимому от него, в котором ICC является универсальным модулем идентификации абонента (USIM) мобильного телефона, использующего стандарт универсальной системы мобильной связи.
21. Устройство по п.20, в котором USIM хранит 128 битный ключ аутентификации абонента как секретный ключ и генерирует 64 битные ключи шифрования; и при этом процессор генерирует 128 битный ключ доступа радиопередачи, используя два ключа шифрования.
22. Устройство по п.15 или 16, зависимому от него, в котором приемник принимает зашифрованное содержание радиопередачи; и при этом процессор генерирует ключ доступа радиопередачи для расшифровки содержания радиопередачи.
23. Устройство для защищенной обработки в устройстве, имеющем средство для надежного сохранения секретного ключа, содержащее
средство для генерации множества ключей шифрования на основании множества вызовов, принятых из сети, и секретного ключа; и
средство для генерации ключа доступа на основании множества ключей шифрования.
24. Устройство по п.23, дополнительно содержащее
средство для использования множества вызовов и секретного ключа для генерации множества ответов аутентификации; и
средство для посылки по меньшей мере одного ответа аутентификации в сеть.
25. Устройство по п.24, дополнительно содержащее
средство для отклонения любых ответов аутентификации, не посланных в сеть.
26. Устройство по п.23 или любому из пп.24 и 25, зависимых от него, в котором средство для генерации ключа доступа содержит
средство для связывания множества ключей шифрования.
27. Устройство по п.23 или любому из пп.24 и 25, зависимых от него, в котором средство для генерации ключа доступа содержит
средство для использования хеш-функции на множестве ключей шифрования.
28. Устройство по п.23 или любому из пп.24 и 25, зависимых от него, в котором средство для генерации ключа доступа генерирует ключ доступа радиопередачи; и при этом устройство дополнительно содержит
средство для приема зашифрованного содержания радиопередачи; и
средство для расшифровки содержания радиопередачи на основании ключа доступа радиопередачи.
29. Изделие для использования в компьютерной системе, воплощающей систему, которая надежно хранит секретный ключ и принимает множество вызовов из сети, содержащее машиночитаемый носитель информации, имеющий машиночитаемые средства кода, воплощенные в указанном носителе, содержащем
машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для генерации множества ключей шифрования на основании множества вызовов и секретного ключа; и
машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для генерации ключа доступа на основании множества ключей шифрования.
30. Изделие по п.29, дополнительно содержащее
машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе, для использования множества вызовов и секретного ключа для генерации множества ответов аутентификации; и
машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для посылки по меньшей мере одного ответа аутентификации в сеть.
31. Изделие по п.30, дополнительно содержащее
машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для отклонения любых ответов аутентификации, не посланных в сеть.
32. Изделие по п.29, в котором машиночитаемое средство кода для генерации ключа доступа содержит машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для связывания множества ключей шифрования.
33. Изделие по п.29, в котором машиночитаемое средство кода для генерации ключа доступа содержит машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для использования хеш-функции на множестве ключей шифрования.
34. Изделие по п.29, в котором система принимает зашифрованное содержание радиопередачи, и при этом машиночитаемое средство кода для генерации ключа доступа генерирует клавишу доступа радиопередачи; и, кроме того, изделие дополнительно содержит машиночитаемое средство кода, воплощенное в указанном машиночитаемом носителе информации, для расшифровки содержания радиопередачи на основании ключа доступа радиопередачи.
RU2006103624/09A 2003-07-08 2004-07-08 Устройство и способ для защищенной системы радиопередачи RU2419223C2 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48579103P 2003-07-08 2003-07-08
US60/485,791 2003-07-08
US10/870,303 US8718279B2 (en) 2003-07-08 2004-06-16 Apparatus and method for a secure broadcast system
US10/870,303 2004-06-16

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RU2419223C2 RU2419223C2 (ru) 2011-05-20

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US (1) US8718279B2 (ru)
EP (1) EP1649630A4 (ru)
JP (1) JP2007529147A (ru)
KR (1) KR20060031852A (ru)
AU (1) AU2004258561C1 (ru)
BR (1) BRPI0412397A (ru)
CA (1) CA2531590C (ru)
IL (1) IL173021A0 (ru)
MX (1) MXPA06000274A (ru)
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