JPH03179841A - 暗号デジタル放送受信装置 - Google Patents

暗号デジタル放送受信装置

Info

Publication number
JPH03179841A
JPH03179841A JP2282076A JP28207690A JPH03179841A JP H03179841 A JPH03179841 A JP H03179841A JP 2282076 A JP2282076 A JP 2282076A JP 28207690 A JP28207690 A JP 28207690A JP H03179841 A JPH03179841 A JP H03179841A
Authority
JP
Japan
Prior art keywords
key
identification code
decryption
data
decryption key
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
JP2282076A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0550172B2 (cs
Inventor
Naoki Ejima
直樹 江島
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 JP2282076A priority Critical patent/JPH03179841A/ja
Publication of JPH03179841A publication Critical patent/JPH03179841A/ja
Publication of JPH0550172B2 publication Critical patent/JPH0550172B2/ja
Granted legal-status Critical Current

Links

JP2282076A 1990-10-19 1990-10-19 暗号デジタル放送受信装置 Granted JPH03179841A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2282076A JPH03179841A (ja) 1990-10-19 1990-10-19 暗号デジタル放送受信装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2282076A JPH03179841A (ja) 1990-10-19 1990-10-19 暗号デジタル放送受信装置

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPH03179841A true JPH03179841A (ja) 1991-08-05
JPH0550172B2 JPH0550172B2 (cs) 1993-07-28

Family

ID=17647816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2282076A Granted JPH03179841A (ja) 1990-10-19 1990-10-19 暗号デジタル放送受信装置

Country Status (1)

Country Link
JP (1) JPH03179841A (cs)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05122702A (ja) * 1991-10-28 1993-05-18 Kokusai Denshin Denwa Co Ltd <Kdd> テレビジヨン信号の多重伝送秘話方式
EP0874299A3 (en) * 1997-04-23 1999-10-13 Sony Corporation Data transmission, reception, encryption, decryption and recording
EP0899956A3 (en) * 1997-08-15 2000-01-12 Lucent Technologies Inc. Cryptographic method and apparatus for restricting access to transmitted programming content using program identifiers
DE10022014A1 (de) * 2000-05-05 2001-11-08 Kryptografics Gmbh Verfahren und Vorrichtung zur Sicherung der Vertraulichkeit und Abhörsicherheit bei der Kommunikation zwischen Rechnernetzen
JP2007531337A (ja) * 2003-07-08 2007-11-01 クゥアルコム・インコーポレイテッド データ処理システムにおけるセキュリティのための方法と装置
JP2008530902A (ja) * 2005-02-15 2008-08-07 トムソン ライセンシング ディジタル映画のための鍵管理システム
US8971790B2 (en) 2003-01-02 2015-03-03 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US8983065B2 (en) 2001-10-09 2015-03-17 Qualcomm Incorporated Method and apparatus for security in a data processing system
US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56500714A (cs) * 1979-06-15 1981-05-21
JPS5892182A (ja) * 1981-11-27 1983-06-01 Clarion Co Ltd 無線式有料テレビジヨンシステム
US4389671A (en) * 1980-09-29 1983-06-21 Harris Corporation Digitally-controlled analog encrypton
JPS58131873A (ja) * 1982-01-30 1983-08-05 Sony Corp テレビジヨン信号伝送システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56500714A (cs) * 1979-06-15 1981-05-21
US4389671A (en) * 1980-09-29 1983-06-21 Harris Corporation Digitally-controlled analog encrypton
JPS5892182A (ja) * 1981-11-27 1983-06-01 Clarion Co Ltd 無線式有料テレビジヨンシステム
JPS58131873A (ja) * 1982-01-30 1983-08-05 Sony Corp テレビジヨン信号伝送システム

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05122702A (ja) * 1991-10-28 1993-05-18 Kokusai Denshin Denwa Co Ltd <Kdd> テレビジヨン信号の多重伝送秘話方式
EP0874299A3 (en) * 1997-04-23 1999-10-13 Sony Corporation Data transmission, reception, encryption, decryption and recording
EP0899956A3 (en) * 1997-08-15 2000-01-12 Lucent Technologies Inc. Cryptographic method and apparatus for restricting access to transmitted programming content using program identifiers
DE10022014A1 (de) * 2000-05-05 2001-11-08 Kryptografics Gmbh Verfahren und Vorrichtung zur Sicherung der Vertraulichkeit und Abhörsicherheit bei der Kommunikation zwischen Rechnernetzen
US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
US8983065B2 (en) 2001-10-09 2015-03-17 Qualcomm Incorporated Method and apparatus for security in a data processing system
US8971790B2 (en) 2003-01-02 2015-03-03 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
JP2012165404A (ja) * 2003-07-08 2012-08-30 Qualcomm Inc データ処理システムにおけるセキュリティのための方法と装置
JP2007531337A (ja) * 2003-07-08 2007-11-01 クゥアルコム・インコーポレイテッド データ処理システムにおけるセキュリティのための方法と装置
JP2013066187A (ja) * 2005-02-15 2013-04-11 Thomson Licensing ディジタル映画のための鍵管理システム
US8483393B2 (en) 2005-02-15 2013-07-09 Thomson Licensing Key management system for digital cinema
JP2008530902A (ja) * 2005-02-15 2008-08-07 トムソン ライセンシング ディジタル映画のための鍵管理システム
JP2015111872A (ja) * 2005-02-15 2015-06-18 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ ディジタル映画のための鍵管理システム

Also Published As

Publication number Publication date
JPH0550172B2 (cs) 1993-07-28

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