RU2007144827A - Избирательное управление правами на потоковый контент - Google Patents
Избирательное управление правами на потоковый контент Download PDFInfo
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Abstract
1. Способ передачи потока данных в устройство, включающий: ! (A) передачу потокового контента, зашифрованного ключом трафика; ! (B) передачу сообщения о потоке ключей, зашифрованного с использованием служебного ключа, причем сообщение о потоке ключей включает ключ трафика; и ! (C) обеспечение наличия первого объекта прав со служебным ключом, в результате чего служебный ключ обеспечивает дешифровку сообщения о потоке ключей, а сообщение о потоке ключей обеспечивает дешифровку потокового контента. ! 2. Способ по п.1, в котором шаг (В) включает: ! (i) передачу первого значения категории программы. ! 3. Способ по п.2, в котором шаг (В) дополнительно включает: ! (ii) передачу второго значения категории программы, причем первое значение категории программы ассоциировано с первым держателем прав, а второе значение категории программы ассоциировано со вторым держателем прав. ! 4. Способ по п.3, в котором первое значение категории программы и второе значение категории программы представлены в виде вектора, причем первое и второе значения категории программы занимают первое и второе положение в векторе соответственно. ! 5. Способ по п.4, в котором первое и второе значения категории программы выражены двумя битами или большим количеством битов. ! 6. Способ по п.5, дополнительно включающий: ! (D) обеспечение наличия второго объекта прав, третьего объекта прав и четвертого объекта прав, причем первый, второй, третий и четвертый объекты прав формируют набор объектов прав. ! 7. Способ по п.6, в котором по меньшей мере одно из первого и второго значений категории программы соответствует одному из первого, второго, третьего и четвертого объектов прав. ! 8. С
Claims (28)
1. Способ передачи потока данных в устройство, включающий:
(A) передачу потокового контента, зашифрованного ключом трафика;
(B) передачу сообщения о потоке ключей, зашифрованного с использованием служебного ключа, причем сообщение о потоке ключей включает ключ трафика; и
(C) обеспечение наличия первого объекта прав со служебным ключом, в результате чего служебный ключ обеспечивает дешифровку сообщения о потоке ключей, а сообщение о потоке ключей обеспечивает дешифровку потокового контента.
2. Способ по п.1, в котором шаг (В) включает:
(i) передачу первого значения категории программы.
3. Способ по п.2, в котором шаг (В) дополнительно включает:
(ii) передачу второго значения категории программы, причем первое значение категории программы ассоциировано с первым держателем прав, а второе значение категории программы ассоциировано со вторым держателем прав.
4. Способ по п.3, в котором первое значение категории программы и второе значение категории программы представлены в виде вектора, причем первое и второе значения категории программы занимают первое и второе положение в векторе соответственно.
5. Способ по п.4, в котором первое и второе значения категории программы выражены двумя битами или большим количеством битов.
6. Способ по п.5, дополнительно включающий:
(D) обеспечение наличия второго объекта прав, третьего объекта прав и четвертого объекта прав, причем первый, второй, третий и четвертый объекты прав формируют набор объектов прав.
7. Способ по п.6, в котором по меньшей мере одно из первого и второго значений категории программы соответствует одному из первого, второго, третьего и четвертого объектов прав.
8. Способ по п.2, в котором первый объект прав включает множество прав использования, ассоциированных с множеством значений категории программы, в результате чего переданное первое значение программы соответствует одному из множества прав использования.
9. Способ по п.1, дополнительно включающий:
(D) изменение ключа трафика; и
(Е) повторение шагов (А) и (В).
10. Считываемый компьютером носитель, содержащий исполняемые в компьютере инструкции для выполнения шагов по п.7.
11. Способ приема потока данных от системы связи в течение мультимедийного сеанса связи, включающий:
(A) прием зашифрованного потока данных, причем этот поток данных зашифрован ключом трафика;
(B) прием зашифрованного сообщения о потоке ключей, причем это зашифрованное сообщение о потоке ключей включает ключ трафика; и
(C) использование ключа трафика для дешифровки потока данных.
12. Способ по п.11, в котором шаг (С) включает:
(D) дешифровку сообщения о потоке ключей с использованием служебного ключа.
13. Способ по п.12, дополнительно включающий:
(Е) прием объекта прав, причем этот объект прав содержит служебный ключ; и
(F) использование потока данных.
14. Способ по п.11, в котором шаг (В) включает:
(i) прием значения переменной "категория программы".
15. Способ по п.13, в котором шаг (F) включает:
(i) отображение потока данных.
16. Способ по п.13, в котором шаг (F) включает:
(i) хранение потока данных.
17. Способ по п.13, в котором использованием потока данных управляют с помощью права использования, ассоциированного с указанным объектом прав.
18. Способ по п.12, дополнительно включающий:
(Е) повторение шагов (А), (В), (С) и (D) после изменения ключа трафика.
19. Способ по п.13, в котором объект прав дополнительно содержит право использования, ассоциированное с переменной "категория программы", входящей в сообщение о потоке ключей, а шагом (F) управляют посредством права использования.
20. Считываемый компьютером носитель, содержащий исполняемые в компьютере инструкции для выполнения шагов по п.18.
21. Считываемый компьютером носитель, содержащий исполняемые в компьютере инструкции для выполнения шагов по п.19.
22. Способ приема потоковых данных от системы связи, включающий:
(A) прием потока контента, зашифрованного ключом трафика;
(B) прием ключа трафика и первого значения переменной "категория программы", зашифрованных служебным ключом;
(C) прием объекта прав со служебным ключом; и
(D) использование указанных ключей для дешифровки потока контента.
23. Способ по п.22, дополнительно включающий:
(Е) использование потока контента согласно первому праву использования в объекте прав, который ассоциирован со значением переменной "категория программы".
24. Способ по п.23, дополнительно включающий:
(F) повторение шагов (А) и (В) при изменении ключа трафика.
25. Способ по п.24, в котором шаг (В) дополнительно включает:
(ii) прием второго значения переменной "категория программы", причем это второе значение переменной "категория программы" ассоциировано со вторым правом использования в объекте прав.
26. Способ передачи потоковых данных в приемник, включающий:
(A) обеспечение наличия объекта прав, содержащего служебный ключ;
(B) передачу сообщения о потоке ключей, зашифрованного служебным ключом, причем это сообщение о потоке ключей содержит ключ трафика; и
(C) передачу потока данных, причем этот поток данных зашифрован с использованием ключа трафика, а зашифрованное сообщение о потоке ключей передают до передачи потока данных.
27. Устройство для приема потоковых данных в процессе мультимедийного сеанса связи, содержащее:
антенну;
дисплей;
память, которой хранится первый объект прав, содержащий служебный ключ, причем память дополнительно содержит множество прав использования, ассоциированных с первым объектом прав; и
обрабатывающее устройство, связанное с дисплеем и антенной, причем это обрабатывающее устройство предназначено для обработки данных, принятых из антенны, с использованием служебного ключа, хранящегося в памяти, а кроме того, обрабатывающее устройство способно использовать потоковые данные в соответствии с одним из множества прав использования.
28. Устройство по п.27, в котором множество прав использования ассоциировано с множеством значений переменной "категория программы".
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US20060259433A1 (en) | 2006-11-16 |
US9225698B2 (en) | 2015-12-29 |
KR101011521B1 (ko) | 2011-01-31 |
CN101199157B (zh) | 2012-10-03 |
US20160099921A1 (en) | 2016-04-07 |
BRPI0612027B1 (pt) | 2020-11-03 |
CN101199157A (zh) | 2008-06-11 |
EP3076581A1 (en) | 2016-10-05 |
MX2007013885A (es) | 2008-01-24 |
AU2006245453B2 (en) | 2009-12-17 |
JP2008545289A (ja) | 2008-12-11 |
ES2579179T3 (es) | 2016-08-05 |
KR20080007654A (ko) | 2008-01-22 |
BRPI0612027A2 (pt) | 2010-10-13 |
ES2579179T8 (es) | 2016-09-13 |
EP1880505B8 (en) | 2016-09-14 |
US11627119B2 (en) | 2023-04-11 |
TW200711475A (en) | 2007-03-16 |
PL1880505T3 (pl) | 2016-10-31 |
TWI455589B (zh) | 2014-10-01 |
ZA200710452B (en) | 2008-11-26 |
WO2006120516A2 (en) | 2006-11-16 |
EP1880505A2 (en) | 2008-01-23 |
EP1880505A4 (en) | 2013-12-04 |
WO2006120516A3 (en) | 2007-01-04 |
RU2403681C2 (ru) | 2010-11-10 |
US20220116368A1 (en) | 2022-04-14 |
AU2006245453A1 (en) | 2006-11-16 |
EP1880505B1 (en) | 2016-05-25 |
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