JPH0345944B2 - - Google Patents

Info

Publication number
JPH0345944B2
JPH0345944B2 JP58215410A JP21541083A JPH0345944B2 JP H0345944 B2 JPH0345944 B2 JP H0345944B2 JP 58215410 A JP58215410 A JP 58215410A JP 21541083 A JP21541083 A JP 21541083A JP H0345944 B2 JPH0345944 B2 JP H0345944B2
Authority
JP
Japan
Prior art keywords
identification code
data
decryption
key
encryption
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 - Lifetime
Application number
JP58215410A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60107941A (ja
Inventor
Naoki Ejima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58215410A priority Critical patent/JPS60107941A/ja
Publication of JPS60107941A publication Critical patent/JPS60107941A/ja
Publication of JPH0345944B2 publication Critical patent/JPH0345944B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP58215410A 1983-11-16 1983-11-16 暗号デジタル放送受信装置 Granted JPS60107941A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58215410A JPS60107941A (ja) 1983-11-16 1983-11-16 暗号デジタル放送受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58215410A JPS60107941A (ja) 1983-11-16 1983-11-16 暗号デジタル放送受信装置

Related Child Applications (4)

Application Number Title Priority Date Filing Date
JP2282076A Division JPH03179841A (ja) 1990-10-19 1990-10-19 暗号デジタル放送受信装置
JP2282075A Division JPH03179840A (ja) 1990-10-19 1990-10-19 暗号デジタル放送受信装置
JP2282077A Division JPH03179842A (ja) 1990-10-19 1990-10-19 暗号デジタル放送装置
JP2282074A Division JPH03179839A (ja) 1990-10-19 1990-10-19 暗号デジタル放送装置

Publications (2)

Publication Number Publication Date
JPS60107941A JPS60107941A (ja) 1985-06-13
JPH0345944B2 true JPH0345944B2 (cs) 1991-07-12

Family

ID=16671860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58215410A Granted JPS60107941A (ja) 1983-11-16 1983-11-16 暗号デジタル放送受信装置

Country Status (1)

Country Link
JP (1) JPS60107941A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011234362A (ja) * 2010-04-26 2011-11-17 Logiways France 情報暗号化／解読鍵を共有する方法ならびに情報暗号化／解読鍵を共有する方法を適用した鍵共有システムおよびアクセス制御システム

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10149338A (ja) * 1996-09-20 1998-06-02 I O Data Kiki:Kk ネットワークシステムおよび取引方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011234362A (ja) * 2010-04-26 2011-11-17 Logiways France 情報暗号化／解読鍵を共有する方法ならびに情報暗号化／解読鍵を共有する方法を適用した鍵共有システムおよびアクセス制御システム

Also Published As

Publication number Publication date
JPS60107941A (ja) 1985-06-13

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