JP3561154B2 - 放送受信装置および契約管理装置 - Google Patents

放送受信装置および契約管理装置 Download PDF

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Publication number
JP3561154B2
JP3561154B2 JP22828798A JP22828798A JP3561154B2 JP 3561154 B2 JP3561154 B2 JP 3561154B2 JP 22828798 A JP22828798 A JP 22828798A JP 22828798 A JP22828798 A JP 22828798A JP 3561154 B2 JP3561154 B2 JP 3561154B2
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Japan
Prior art keywords
information
contract
channel
key
contract information
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.)
Expired - Fee Related
Application number
JP22828798A
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English (en)
Japanese (ja)
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JPH11243536A (ja
JPH11243536A5 (enExample
Inventor
浩一郎 秋山
達 上林
修一 辻本
直樹 遠藤
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Toshiba Corp
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Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP22828798A priority Critical patent/JP3561154B2/ja
Priority to US09/219,889 priority patent/US6463155B1/en
Publication of JPH11243536A publication Critical patent/JPH11243536A/ja
Priority to US10/206,763 priority patent/US6650752B2/en
Priority to US10/206,764 priority patent/US6650754B2/en
Application granted granted Critical
Publication of JP3561154B2 publication Critical patent/JP3561154B2/ja
Publication of JPH11243536A5 publication Critical patent/JPH11243536A5/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/16—Arrangements for conditional access to broadcast information or to broadcast-related services on playing information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • 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)
    • H04L9/0822—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) using key encryption key
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04N21/2541—Rights Management
    • 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
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP22828798A 1997-12-26 1998-08-12 放送受信装置および契約管理装置 Expired - Fee Related JP3561154B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP22828798A JP3561154B2 (ja) 1997-12-26 1998-08-12 放送受信装置および契約管理装置
US09/219,889 US6463155B1 (en) 1997-12-26 1998-12-24 Broadcast reception device and contract management device using common master key in conditional access broadcast system
US10/206,763 US6650752B2 (en) 1997-12-26 2002-07-29 Broadcast reception device and contract management device using common master key in conditional access broadcast system
US10/206,764 US6650754B2 (en) 1997-12-26 2002-07-29 Broadcast reception device and contract management device using common master key in conditional access broadcast system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP36681297 1997-12-26
JP9-366812 1997-12-26
JP22828798A JP3561154B2 (ja) 1997-12-26 1998-08-12 放送受信装置および契約管理装置

Publications (3)

Publication Number Publication Date
JPH11243536A JPH11243536A (ja) 1999-09-07
JP3561154B2 true JP3561154B2 (ja) 2004-09-02
JPH11243536A5 JPH11243536A5 (enExample) 2004-10-14

Family

ID=26528157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22828798A Expired - Fee Related JP3561154B2 (ja) 1997-12-26 1998-08-12 放送受信装置および契約管理装置

Country Status (2)

Country Link
US (3) US6463155B1 (enExample)
JP (1) JP3561154B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008136077A1 (ja) 2007-04-20 2008-11-13 Japan Broadcasting Corporation スクランブル鍵管理装置、スクランブル鍵管理情報送信装置、スクランブル鍵出力管理方法、スクランブル鍵管理プログラム、ライセンス情報管理装置、ライセンス管理情報送信装置、ライセンス情報出力管理方法及びライセンス情報管理プログラム

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