JPH0535619B2 - - Google Patents

Info

Publication number
JPH0535619B2
JPH0535619B2 JP59212018A JP21201884A JPH0535619B2 JP H0535619 B2 JPH0535619 B2 JP H0535619B2 JP 59212018 A JP59212018 A JP 59212018A JP 21201884 A JP21201884 A JP 21201884A JP H0535619 B2 JPH0535619 B2 JP H0535619B2
Authority
JP
Japan
Prior art keywords
data
identification code
key
transmission
ciphering
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
JP59212018A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6190547A (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 JP59212018A priority Critical patent/JPS6190547A/ja
Publication of JPS6190547A publication Critical patent/JPS6190547A/ja
Publication of JPH0535619B2 publication Critical patent/JPH0535619B2/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
    • 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
    • H04L9/32—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Transmission Control (AREA)
JP59212018A 1984-10-09 1984-10-09 暗号化デジタル伝送装置 Granted JPS6190547A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59212018A JPS6190547A (ja) 1984-10-09 1984-10-09 暗号化デジタル伝送装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59212018A JPS6190547A (ja) 1984-10-09 1984-10-09 暗号化デジタル伝送装置

Publications (2)

Publication Number Publication Date
JPS6190547A JPS6190547A (ja) 1986-05-08
JPH0535619B2 true JPH0535619B2 (enrdf_load_stackoverflow) 1993-05-27

Family

ID=16615512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59212018A Granted JPS6190547A (ja) 1984-10-09 1984-10-09 暗号化デジタル伝送装置

Country Status (1)

Country Link
JP (1) JPS6190547A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2579064B2 (ja) * 1990-11-29 1997-02-05 松下電器産業株式会社 スクランブル制御方法及びその装置
JP4967005B2 (ja) * 2009-09-24 2012-07-04 日本放送協会 コンテンツ受信装置、コンテンツ受信プログラムおよび限定受信システム

Also Published As

Publication number Publication date
JPS6190547A (ja) 1986-05-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term