CN102238430B - 个性化白箱解扰器 - Google Patents
个性化白箱解扰器 Download PDFInfo
- Publication number
- CN102238430B CN102238430B CN201110121436.2A CN201110121436A CN102238430B CN 102238430 B CN102238430 B CN 102238430B CN 201110121436 A CN201110121436 A CN 201110121436A CN 102238430 B CN102238430 B CN 102238430B
- Authority
- CN
- China
- Prior art keywords
- module
- personalized
- descrambler
- control word
- input
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
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- 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
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
-
- 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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
-
- 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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
-
- 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
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4182—External card to be used in combination with the client device, e.g. for conditional access for identification purposes, e.g. storing user identification data, preferences, personal settings or data
-
- 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
- H04N21/4405—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 decryption
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47211—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting pay-per-view content
-
- 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
- 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
- H04L2209/16—Obfuscation or hiding, e.g. involving white box
-
- 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
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10157952.2A EP2369778B1 (en) | 2010-03-26 | 2010-03-26 | Personalized whitebox descramblers |
EP10157952.2 | 2010-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102238430A CN102238430A (zh) | 2011-11-09 |
CN102238430B true CN102238430B (zh) | 2016-07-06 |
Family
ID=42232651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110121436.2A Active CN102238430B (zh) | 2010-03-26 | 2011-03-25 | 个性化白箱解扰器 |
Country Status (6)
Country | Link |
---|---|
US (3) | US8594330B2 (zh) |
EP (1) | EP2369778B1 (zh) |
JP (1) | JP5901884B2 (zh) |
KR (1) | KR20110108322A (zh) |
CN (1) | CN102238430B (zh) |
CA (1) | CA2735080C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2227014B1 (en) * | 2009-03-02 | 2019-10-02 | Irdeto B.V. | Securely providing secret data from a sender to a receiver |
EP2829010B1 (en) * | 2012-03-20 | 2020-11-04 | Irdeto B.V. | Updating key information |
GB201305734D0 (en) | 2013-03-28 | 2013-05-15 | Irdeto Bv | Enabling a content receiver to access encrypted content |
KR101527329B1 (ko) * | 2014-09-12 | 2015-06-09 | 삼성에스디에스 주식회사 | 데이터 암호화 장치 및 방법 |
GB201418815D0 (en) | 2014-10-22 | 2014-12-03 | Irdeto Bv | Providing access to content |
DE102014016548A1 (de) * | 2014-11-10 | 2016-05-12 | Giesecke & Devrient Gmbh | Verfahren zum Testen und zum Härten von Softwareapplikationen |
JP6187624B1 (ja) * | 2016-03-17 | 2017-08-30 | 富士電機株式会社 | 情報処理装置、情報処理方法及びプログラム |
KR102602696B1 (ko) * | 2017-10-13 | 2023-11-16 | 삼성전자주식회사 | 암호화 장치 및 복호화 장치, 이들의 동작방법 |
US11838402B2 (en) | 2019-03-13 | 2023-12-05 | The Research Foundation For The State University Of New York | Ultra low power core for lightweight encryption |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101578813A (zh) * | 2007-01-11 | 2009-11-11 | 皇家飞利浦电子股份有限公司 | 跟踪实现的拷贝 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3115350B2 (ja) * | 1991-06-10 | 2000-12-04 | 富士通株式会社 | 暗号化方式 |
JPH06303230A (ja) * | 1993-04-19 | 1994-10-28 | Toshiba Corp | スクランブルデータ伝送装置 |
JP4491069B2 (ja) * | 1995-10-31 | 2010-06-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 時間シフト限定アクセス |
RU2000111530A (ru) * | 1997-10-02 | 2002-05-27 | Каналь+Сосьетэ Аноним | Способ и устройство для шифрованной трансляции потока данных |
US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
WO2005062919A2 (en) * | 2003-12-22 | 2005-07-14 | Wachovia Corporation | Public key encryption for groups |
WO2007116390A2 (en) * | 2006-04-11 | 2007-10-18 | Nds Limited | Fingerprinting descrambling keys |
JP4909668B2 (ja) * | 2006-07-24 | 2012-04-04 | Kddi株式会社 | ハイブリッド暗号化装置およびハイブリッド暗号化方法 |
JP5355554B2 (ja) * | 2007-05-22 | 2013-11-27 | イルデト・コーポレート・ビー・ヴイ | 暗号用鍵データの更新 |
KR101597251B1 (ko) * | 2008-05-23 | 2016-02-24 | 이르데토 비.브이. | 소프트웨어 애플리케이션들의 화이트박스 구현들을 생성하는 시스템 및 방법 |
US8121294B2 (en) * | 2008-10-21 | 2012-02-21 | Apple Inc. | System and method for a derivation function for key per page |
EP2227015B1 (en) * | 2009-03-02 | 2018-01-10 | Irdeto B.V. | Conditional entitlement processing for obtaining a control word |
-
2010
- 2010-03-26 EP EP10157952.2A patent/EP2369778B1/en active Active
-
2011
- 2011-03-23 US US13/070,003 patent/US8594330B2/en active Active
- 2011-03-24 CA CA2735080A patent/CA2735080C/en active Active
- 2011-03-25 JP JP2011067650A patent/JP5901884B2/ja not_active Expired - Fee Related
- 2011-03-25 CN CN201110121436.2A patent/CN102238430B/zh active Active
- 2011-03-28 KR KR1020110027675A patent/KR20110108322A/ko not_active Application Discontinuation
-
2013
- 2013-11-25 US US14/089,452 patent/US20140086409A1/en not_active Abandoned
-
2016
- 2016-10-19 US US15/297,945 patent/US20170111167A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101578813A (zh) * | 2007-01-11 | 2009-11-11 | 皇家飞利浦电子股份有限公司 | 跟踪实现的拷贝 |
Non-Patent Citations (1)
Title |
---|
Stanley Chow etal.White-Box Cryptography an AES implementation.《selected Areas in Cryptography 2003》.2003, * |
Also Published As
Publication number | Publication date |
---|---|
CA2735080A1 (en) | 2011-09-26 |
JP5901884B2 (ja) | 2016-04-13 |
JP2011211708A (ja) | 2011-10-20 |
EP2369778B1 (en) | 2018-08-15 |
CN102238430A (zh) | 2011-11-09 |
EP2369778A1 (en) | 2011-09-28 |
US20110235803A1 (en) | 2011-09-29 |
US20140086409A1 (en) | 2014-03-27 |
US8594330B2 (en) | 2013-11-26 |
CA2735080C (en) | 2019-04-16 |
US20170111167A1 (en) | 2017-04-20 |
KR20110108322A (ko) | 2011-10-05 |
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C06 | Publication | ||
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C10 | Entry into substantive examination | ||
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ASS | Succession or assignment of patent right |
Owner name: IRDETO B.V. Free format text: FORMER OWNER: IRDETO BV Effective date: 20150127 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150127 Address after: Holland Hoofddorp Applicant after: Irdeto B.V. Address before: Holland Hoofddorp Applicant before: Irdeto Corporate B. V. |
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C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Holland Hoofddorp Applicant after: Ai Dide Technology Co., Ltd. Address before: Holland Hoofddorp Applicant before: Irdeto B.V. |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: IRDETO B.V. TO: IRDETO B. V. Free format text: CORRECT: ADDRESS; FROM: |
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C14 | Grant of patent or utility model | ||
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