JPS60134643A - 制御情報伝送方式 - Google Patents

制御情報伝送方式

Info

Publication number
JPS60134643A
JPS60134643A JP58242184A JP24218483A JPS60134643A JP S60134643 A JPS60134643 A JP S60134643A JP 58242184 A JP58242184 A JP 58242184A JP 24218483 A JP24218483 A JP 24218483A JP S60134643 A JPS60134643 A JP S60134643A
Authority
JP
Japan
Prior art keywords
signal
key
key information
key signal
broadcast
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.)
Granted
Application number
JP58242184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0218783B2 (da
Inventor
Seiichi Nanba
誠一 難波
Kyukichi Yamane
山根　久吉
Takehiko Yoshino
吉野　武彦
Naoki Kawai
直樹 河合
Masanori Saito
正典 斉藤
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting 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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP58242184A priority Critical patent/JPS60134643A/ja
Publication of JPS60134643A publication Critical patent/JPS60134643A/ja
Publication of JPH0218783B2 publication Critical patent/JPH0218783B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/98—Physical distribution of media, e.g. postcards, CDs or DVDs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
JP58242184A 1983-12-23 1983-12-23 制御情報伝送方式 Granted JPS60134643A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58242184A JPS60134643A (ja) 1983-12-23 1983-12-23 制御情報伝送方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58242184A JPS60134643A (ja) 1983-12-23 1983-12-23 制御情報伝送方式

Publications (2)

Publication Number Publication Date
JPS60134643A true JPS60134643A (ja) 1985-07-17
JPH0218783B2 JPH0218783B2 (da) 1990-04-26

Family

ID=17085553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58242184A Granted JPS60134643A (ja) 1983-12-23 1983-12-23 制御情報伝送方式

Country Status (1)

Country Link
JP (1) JPS60134643A (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220925A (ja) * 1988-02-29 1989-09-04 Nippon Hoso Kyokai <Nhk> 放送用受信機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220925A (ja) * 1988-02-29 1989-09-04 Nippon Hoso Kyokai <Nhk> 放送用受信機

Also Published As

Publication number Publication date
JPH0218783B2 (da) 1990-04-26

Similar Documents

Publication Publication Date Title
US4484027A (en) Security system for SSTV encryption
USRE33189E (en) Security system for SSTV encryption
JP3789469B2 (ja) データを一意的に端局暗号化するための方法及び装置
KR100577934B1 (ko) 보안요소로부터디코더에송신된정보항목을보호하는방법및이를사용한보호시스템
CN100592683C (zh) 来自数字权利管理加密解密器的受保护的返回路径
JP3195309B2 (ja) 放送番組を暗号化するためのシステムおよび方法
US4736422A (en) Encrypted broadcast television system
US7382884B2 (en) Key management for content protection
US5243650A (en) Method and apparatus for encryption/decryption of digital multisound in television
JPH01248891A (ja) 暗号化鍵配送方式
JPH08195735A (ja) デコーダ装置
CN101268652A (zh) 可更新的背叛者跟踪
JP4174326B2 (ja) セキュリティモジュール、限定受信装置、限定受信方法および限定受信プログラム
JPH03179841A (ja) 暗号デジタル放送受信装置
JPS60183842A (ja) 伝送方式
GB2151886A (en) Conditional-access broadcast transmission
JP5347118B2 (ja) 受信機管理システム
JPH0218783B2 (da)
JP2825053B2 (ja) 有料放送送受信システム及び有料放送受信用デコーダ
JPH06169307A (ja) 符号化装置及び復号化装置
GB2377348A (en) Security unit for encrypted signal transmission
JPH03179842A (ja) 暗号デジタル放送装置
JPS63219244A (ja) 暗号化情報処理方式
US20080034206A1 (en) Encryption Method
JPH11196083A (ja) スクランブルキー転送方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term