ID22760A - Sistem pemrosesan informasi, aparatus pemrosesan informasi dan metode pemrosesan informasi - Google Patents

Sistem pemrosesan informasi, aparatus pemrosesan informasi dan metode pemrosesan informasi

Info

Publication number
ID22760A
ID22760A IDW990973A ID990973A ID22760A ID 22760 A ID22760 A ID 22760A ID W990973 A IDW990973 A ID W990973A ID 990973 A ID990973 A ID 990973A ID 22760 A ID22760 A ID 22760A
Authority
ID
Indonesia
Prior art keywords
information processing
aparatus
processing system
processing method
information
Prior art date
Application number
IDW990973A
Other languages
English (en)
Inventor
Ryuji Ishiguro
Yoshitomo Osawa
Tomoyuki Asano
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of ID22760A publication Critical patent/ID22760A/id

Links

Classifications

    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
IDW990973A 1998-01-07 1998-12-28 Sistem pemrosesan informasi, aparatus pemrosesan informasi dan metode pemrosesan informasi ID22760A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP134398 1998-01-07

Publications (1)

Publication Number Publication Date
ID22760A true ID22760A (id) 1999-12-09

Family

ID=11498863

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW990973A ID22760A (id) 1998-01-07 1998-12-28 Sistem pemrosesan informasi, aparatus pemrosesan informasi dan metode pemrosesan informasi

Country Status (6)

Country Link
EP (1) EP0966127A1 (id)
KR (1) KR20000076003A (id)
CN (1) CN1249873A (id)
ID (1) ID22760A (id)
TW (1) TW442754B (id)
WO (1) WO1999035786A1 (id)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4719950B2 (ja) * 1999-11-11 2011-07-06 ソニー株式会社 暗号鍵生成装置、暗号化・復号化装置および暗号鍵生成方法、暗号化・復号化方法、並びにプログラム提供媒体
CN100340079C (zh) * 1999-12-07 2007-09-26 三洋电机株式会社 数据再生设备
US6742129B1 (en) * 1999-12-08 2004-05-25 Carrier Corporation Software security mechanism
JP4370721B2 (ja) * 2000-04-06 2009-11-25 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、キー更新端末装置、世代管理キー更新方法、および情報記録媒体、並びにプログラム提供媒体
JP2002189636A (ja) * 2000-12-20 2002-07-05 Sega Corp セキュリティシステム
CN100343775C (zh) * 2004-05-25 2007-10-17 华为技术有限公司 一种许可证文件生成方法及软件产品保护方法和系统
JP2006121215A (ja) * 2004-10-19 2006-05-11 Fuji Electric Holdings Co Ltd 鍵交換方法、及び、鍵交換処理装置
CN100416449C (zh) * 2005-04-29 2008-09-03 国际商业机器公司 软件服务提供商自动获得及运行软件服务的方法和装置
CN102158757A (zh) * 2010-02-11 2011-08-17 中兴通讯股份有限公司 终端及其电视业务的播放方法
JP6408522B2 (ja) * 2016-07-21 2018-10-17 Kddi株式会社 通信システム、端末装置、通信方法、及びプログラム
JP6388622B2 (ja) * 2016-07-21 2018-09-12 Kddi株式会社 通信システム、端末装置、通信方法、及びプログラム
US20230229743A1 (en) * 2022-01-19 2023-07-20 Sony Group Corporation Re-encryption-based digital rights management

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH103256A (ja) * 1995-10-16 1998-01-06 Sony Corp 暗号化方法、暗号化装置、記録方法、復号化方法、復号化装置及び記録媒体
JPH10171903A (ja) * 1996-12-11 1998-06-26 Nippon Telegr & Teleph Corp <Ntt> 電子現金方法及びこれに用いる装置

Also Published As

Publication number Publication date
WO1999035786A1 (fr) 1999-07-15
EP0966127A1 (en) 1999-12-22
CN1249873A (zh) 2000-04-05
KR20000076003A (ko) 2000-12-26
TW442754B (en) 2001-06-23

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