RU2003120799A - Способ хранения зашифрованных данных - Google Patents

Способ хранения зашифрованных данных Download PDF

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Publication number
RU2003120799A
RU2003120799A RU2003120799/09A RU2003120799A RU2003120799A RU 2003120799 A RU2003120799 A RU 2003120799A RU 2003120799/09 A RU2003120799/09 A RU 2003120799/09A RU 2003120799 A RU2003120799 A RU 2003120799A RU 2003120799 A RU2003120799 A RU 2003120799A
Authority
RU
Russia
Prior art keywords
key
encryption
data
contained
storage device
Prior art date
Application number
RU2003120799/09A
Other languages
English (en)
Other versions
RU2294057C2 (ru
Inventor
Кристоф НИКОЛЯ (CH)
Кристоф НИКОЛЯ
Original Assignee
Награкард С.А. (Ch)
Награкард С.А.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Награкард С.А. (Ch), Награкард С.А. filed Critical Награкард С.А. (Ch)
Publication of RU2003120799A publication Critical patent/RU2003120799A/ru
Application granted granted Critical
Publication of RU2294057C2 publication Critical patent/RU2294057C2/ru

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Claims (7)

1. Способ хранения данных, выделенных из потока зашифрованных данных и посылаемых на декодер (STB), соединенный с модулем (SM) безопасности и с запоминающим устройством (DB), предусматривающий повторное защищенное шифрование зашифрованных данных с помощью, по меньшей мере, одного уникального ключа (К1, К2) до того, как они посылаются в запоминающее устройство (DB).
2. Способ по п.1, отличающийся тем, что в качестве указанного уникального ключа используют ключ (К1), содержащийся в модуле (SM) безопасности.
3. Способ по п.1, отличающийся тем, что в качестве указанного уникального ключа используют ключ (К2), содержащийся в декодере (STB).
4. Способ по п.1, отличающийся тем, что предусматривает последовательное шифрование данных несколькими ключами, с последовательным использованием ключа (К1), содержащегося в модуле (SM) безопасности, и ключа (К2), содержащегося в декодере (STB) в прямом или обратном порядке.
5. Способ по любому из предыдущих пунктов, отличающийся тем, что дополнительно предусматривает шифрование данных, предназначенных для хранения в запоминающем устройстве (DB), ключом (К3) шифрования, содержащимся в запоминающем устройстве (DB).
6. Способ по п.1 или 2, отличающийся тем, что данные, подлежащие шифрованию, направляют для шифрования в модуль (SM) безопасности, а зашифрованные в указанном модуле данные направляют в запоминающее устройство (DB).
7. Способ по любому из пп.1-3, отличающийся тем, что предусматривает выполнение шифрования или дешифрования на низком логическом уровне в интерфейсе между запоминающим устройством (DB) и декодером (STB).
RU2003120799/09A 2001-01-16 2002-01-15 Способ хранения зашифрованных данных RU2294057C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01/0061 2001-01-16
CH612001 2001-01-16

Publications (2)

Publication Number Publication Date
RU2003120799A true RU2003120799A (ru) 2005-02-10
RU2294057C2 RU2294057C2 (ru) 2007-02-20

Family

ID=4304587

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003120799/09A RU2294057C2 (ru) 2001-01-16 2002-01-15 Способ хранения зашифрованных данных

Country Status (20)

Country Link
US (1) US7487364B2 (ru)
EP (1) EP1352523B1 (ru)
JP (1) JP2004518203A (ru)
KR (1) KR100845068B1 (ru)
CN (1) CN1228980C (ru)
AR (1) AR032396A1 (ru)
AT (1) ATE272924T1 (ru)
BR (1) BRPI0206466B1 (ru)
CA (1) CA2432445C (ru)
DE (1) DE60200879T2 (ru)
ES (1) ES2225786T3 (ru)
HK (1) HK1057667A1 (ru)
IL (2) IL156474A0 (ru)
MY (1) MY129368A (ru)
PL (1) PL361818A1 (ru)
PT (1) PT1352523E (ru)
RU (1) RU2294057C2 (ru)
TW (1) TWI264207B (ru)
WO (1) WO2002056592A1 (ru)
ZA (1) ZA200304816B (ru)

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US20060227640A1 (en) * 2004-12-06 2006-10-12 Interdigital Technology Corporation Sensing device with activation and sensing alert functions
US7574220B2 (en) * 2004-12-06 2009-08-11 Interdigital Technology Corporation Method and apparatus for alerting a target that it is subject to sensing and restricting access to sensed content associated with the target
TWI285742B (en) * 2004-12-06 2007-08-21 Interdigital Tech Corp Method and apparatus for detecting portable electronic device functionality
US7796757B2 (en) 2006-03-09 2010-09-14 At&T Intellectual Property I, L.P. Methods and systems to operate a set-top box
US7978698B2 (en) * 2006-03-16 2011-07-12 Panasonic Corporation Terminal for performing multiple access transmission suitable to a transmission path having varied characteristics
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CN101521735B (zh) * 2009-03-31 2011-05-25 深圳创维数字技术股份有限公司 一种机顶盒软件的加密保护方法、系统
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Also Published As

Publication number Publication date
US20030179881A1 (en) 2003-09-25
WO2002056592A1 (fr) 2002-07-18
IL156474A (en) 2008-11-26
HK1057667A1 (en) 2004-04-08
CN1228980C (zh) 2005-11-23
PT1352523E (pt) 2004-11-30
ZA200304816B (en) 2004-06-30
CA2432445A1 (en) 2002-07-18
EP1352523B1 (fr) 2004-08-04
TWI264207B (en) 2006-10-11
PL361818A1 (en) 2004-10-04
ATE272924T1 (de) 2004-08-15
BRPI0206466B1 (pt) 2016-04-12
KR100845068B1 (ko) 2008-07-09
KR20030070095A (ko) 2003-08-27
BR0206466A (pt) 2004-02-03
RU2294057C2 (ru) 2007-02-20
DE60200879T2 (de) 2005-08-11
AR032396A1 (es) 2003-11-05
MY129368A (en) 2007-03-30
IL156474A0 (en) 2004-01-04
DE60200879D1 (de) 2004-09-09
ES2225786T3 (es) 2005-03-16
EP1352523A1 (fr) 2003-10-15
CN1486570A (zh) 2004-03-31
JP2004518203A (ja) 2004-06-17
US7487364B2 (en) 2009-02-03
CA2432445C (en) 2011-08-02

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Legal Events

Date Code Title Description
PC43 Official registration of the transfer of the exclusive right without contract for inventions

Effective date: 20101117

MM4A The patent is invalid due to non-payment of fees

Effective date: 20210116