TWI605711B - - Google Patents

Info

Publication number
TWI605711B
TWI605711B TW105127407A TW105127407A TWI605711B TW I605711 B TWI605711 B TW I605711B TW 105127407 A TW105127407 A TW 105127407A TW 105127407 A TW105127407 A TW 105127407A TW I605711 B TWI605711 B TW I605711B
Authority
TW
Taiwan
Application number
TW105127407A
Other versions
TW201811060A (zh
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 filed Critical
Priority to TW105127407A priority Critical patent/TW201811060A/zh
Priority to US15/680,538 priority patent/US10491393B2/en
Priority to SG10201706796QA priority patent/SG10201706796QA/en
Application granted granted Critical
Publication of TWI605711B publication Critical patent/TWI605711B/zh
Publication of TW201811060A publication Critical patent/TW201811060A/zh

Links

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]
    • H04N21/40—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
    • 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
    • H04L9/08—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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • 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 or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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]
    • H04N21/40—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 or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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
    • H04N21/47—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
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/603—Digital right managament [DRM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
TW105127407A 2016-08-26 2016-08-26 電子設備及解碼程式 TW201811060A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW105127407A TW201811060A (zh) 2016-08-26 2016-08-26 電子設備及解碼程式
US15/680,538 US10491393B2 (en) 2016-08-26 2017-08-18 Electronic device and decoding program
SG10201706796QA SG10201706796QA (en) 2016-08-26 2017-08-21 Electronic device and decoding program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW105127407A TW201811060A (zh) 2016-08-26 2016-08-26 電子設備及解碼程式

Publications (2)

Publication Number Publication Date
TWI605711B true TWI605711B (zh) 2017-11-11
TW201811060A TW201811060A (zh) 2018-03-16

Family

ID=61023385

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105127407A TW201811060A (zh) 2016-08-26 2016-08-26 電子設備及解碼程式

Country Status (3)

Country Link
US (1) US10491393B2 (zh)
SG (1) SG10201706796QA (zh)
TW (1) TW201811060A (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097878A1 (en) * 1997-07-07 2002-07-25 Hiromichi Ito Key controlling system, key controlling apparatus, information encrypting apparatus, information decrypting apparatus and storage media for storing programs
US20070038862A1 (en) * 2003-06-04 2007-02-15 Noble Gary P Method and system for controlling the disclosure time of information
TWI317512B (en) * 2002-08-28 2009-11-21 Panasonic Corp Key delivery apparatus, terminal apparatus, recording medium, and key delivery system
US20150356256A1 (en) * 2014-06-09 2015-12-10 Lg Cns Co., Ltd. Apparatus and method for managing a care service

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11308595A (ja) 1998-04-20 1999-11-05 Matsushita Electric Ind Co Ltd 放送受信装置
US6515619B1 (en) * 1998-07-30 2003-02-04 Mckay, Jr. Nicholas D. Object location system
JP3859450B2 (ja) * 2001-02-07 2006-12-20 富士通株式会社 秘密情報管理システムおよび情報端末
JP4545994B2 (ja) * 2001-07-02 2010-09-15 三洋電機株式会社 データ再生装置それに用いるデータ再生回路、およびデータ記録装置
JP3730885B2 (ja) * 2001-07-06 2006-01-05 株式会社日立製作所 誤り訂正ターボ符号の復号器
IL157927A0 (en) * 2002-02-04 2004-03-28 Mitsubishi Electric Corp Digital circuit transmission device
JP2006127485A (ja) * 2004-09-30 2006-05-18 Sanyo Electric Co Ltd コンテンツ再生装置およびコンテンツ再生方法
KR101037243B1 (ko) * 2006-08-02 2011-05-26 후지쯔 가부시끼가이샤 수신 장치 및 그 복호 방법
JP5308998B2 (ja) * 2009-11-16 2013-10-09 株式会社エヌ・ティ・ティ・ドコモ 放送受信端末、及び放送受信方法
JP5931362B2 (ja) * 2011-07-01 2016-06-08 日立マクセル株式会社 コンテンツ送信装置及びコンテンツ送信方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097878A1 (en) * 1997-07-07 2002-07-25 Hiromichi Ito Key controlling system, key controlling apparatus, information encrypting apparatus, information decrypting apparatus and storage media for storing programs
TWI317512B (en) * 2002-08-28 2009-11-21 Panasonic Corp Key delivery apparatus, terminal apparatus, recording medium, and key delivery system
US20070038862A1 (en) * 2003-06-04 2007-02-15 Noble Gary P Method and system for controlling the disclosure time of information
US8930703B2 (en) * 2003-06-04 2015-01-06 International Business Machines Corporation Methods, systems and computer program products for controlling the disclosure time of information
US20150356256A1 (en) * 2014-06-09 2015-12-10 Lg Cns Co., Ltd. Apparatus and method for managing a care service

Also Published As

Publication number Publication date
SG10201706796QA (en) 2018-03-28
TW201811060A (zh) 2018-03-16
US10491393B2 (en) 2019-11-26
US20180062845A1 (en) 2018-03-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees