ATE355671T1 - Vorrichtung und verfahren zur informationsverarbeitung - Google Patents
Vorrichtung und verfahren zur informationsverarbeitungInfo
- Publication number
- ATE355671T1 ATE355671T1 AT01917787T AT01917787T ATE355671T1 AT E355671 T1 ATE355671 T1 AT E355671T1 AT 01917787 T AT01917787 T AT 01917787T AT 01917787 T AT01917787 T AT 01917787T AT E355671 T1 ATE355671 T1 AT E355671T1
- Authority
- AT
- Austria
- Prior art keywords
- key
- ekb
- constitution
- enabling
- leaf
- Prior art date
Links
- 230000010365 information processing Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
- H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/107—License processing; Key processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/107—License processing; Key processing
- G06F21/1076—Revocation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
-
- 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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2109—Game systems
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Technology Law (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Storage Device Security (AREA)
- Hardware Redundancy (AREA)
- Debugging And Monitoring (AREA)
- Multi-Process Working Machines And Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000105329 | 2000-04-06 | ||
JP2000179695A JP2001352321A (ja) | 2000-04-06 | 2000-06-15 | 情報処理システム、情報処理方法、および情報記録媒体、並びにプログラム提供媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE355671T1 true ATE355671T1 (de) | 2006-03-15 |
Family
ID=26589613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01917787T ATE355671T1 (de) | 2000-04-06 | 2001-04-02 | Vorrichtung und verfahren zur informationsverarbeitung |
Country Status (13)
Country | Link |
---|---|
US (1) | US7443984B2 (de) |
EP (1) | EP1187390B1 (de) |
JP (1) | JP2001352321A (de) |
KR (1) | KR100746880B1 (de) |
CN (1) | CN100417064C (de) |
AT (1) | ATE355671T1 (de) |
AU (1) | AU780325C (de) |
DE (1) | DE60126874T2 (de) |
HK (1) | HK1052417A1 (de) |
MX (1) | MXPA01012518A (de) |
NO (1) | NO332239B1 (de) |
TW (1) | TW518871B (de) |
WO (1) | WO2001078298A1 (de) |
Families Citing this family (47)
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WO2001061600A1 (en) * | 2000-02-17 | 2001-08-23 | Matsushita Electric Industrial Co., Ltd. | Semiconductor memory card that records contents for trial and purchase, recording apparatus, reproducing apparatus, and sales method |
US7039803B2 (en) | 2001-01-26 | 2006-05-02 | International Business Machines Corporation | Method for broadcast encryption and key revocation of stateless receivers |
US9520993B2 (en) | 2001-01-26 | 2016-12-13 | International Business Machines Corporation | Renewable traitor tracing |
JP2003050745A (ja) * | 2001-08-07 | 2003-02-21 | Sony Corp | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
JP4649797B2 (ja) * | 2001-08-09 | 2011-03-16 | ソニー株式会社 | 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム |
GB0129065D0 (en) * | 2001-12-05 | 2002-01-23 | Philips Electronics Uk Ltd | Method and apparatus for verifying the integrity of system data |
US7340603B2 (en) * | 2002-01-30 | 2008-03-04 | Sony Corporation | Efficient revocation of receivers |
JP2003229843A (ja) | 2002-01-31 | 2003-08-15 | Sony Corp | ストリーミングシステム及びストリーミング方法、クライアント端末及びコンテンツデータ復号方法、ストリームサーバ及びストリーム配信方法、オーサリング装置及びオーサリング方法、並びにプログラム及び記録媒体 |
JP3818505B2 (ja) | 2002-04-15 | 2006-09-06 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
JP4326186B2 (ja) * | 2002-04-15 | 2009-09-02 | ソニー株式会社 | 情報処理装置および方法 |
JP4391056B2 (ja) | 2002-04-15 | 2009-12-24 | ソニー株式会社 | 情報管理装置および方法、記録媒体、並びにプログラム |
US7356147B2 (en) * | 2002-04-18 | 2008-04-08 | International Business Machines Corporation | Method, system and program product for attaching a title key to encrypted content for synchronized transmission to a recipient |
KR100449489B1 (ko) * | 2002-10-23 | 2004-09-22 | 한국전자통신연구원 | 이동 노드와 홈 다이아메터 서버간의 aaa 비밀키재발급 방법 |
JP3857641B2 (ja) * | 2002-12-17 | 2006-12-13 | 株式会社東芝 | コンテンツ配信方法及びコンテンツ配信システム |
US7840960B2 (en) | 2002-12-17 | 2010-11-23 | Kabushiki Kaisha Toshiba | Content distribution method and content distribution package |
JP4432350B2 (ja) * | 2003-04-18 | 2010-03-17 | ソニー株式会社 | データ処理方法、そのプログラム、その装置と受信装置 |
US20060248595A1 (en) * | 2003-08-08 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Reproducing encrypted content using region keys |
KR100533678B1 (ko) | 2003-10-02 | 2005-12-05 | 삼성전자주식회사 | 공개 키 기반 구조의 도메인을 형성하여 UPnP를통하여 구현하는 방법 |
US7539307B2 (en) * | 2003-11-26 | 2009-05-26 | International Business Machines Corporation | System, method, and service for delivering enhanced multimedia content on physical media |
US8249258B2 (en) * | 2004-06-07 | 2012-08-21 | National Institute Of Information And Communications Technology | Communication method and communication system using decentralized key management scheme |
JP4162237B2 (ja) * | 2004-06-24 | 2008-10-08 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 複数の復号化装置に対し選択的にメッセージを配信する暗号化通信システム、暗号化装置、復号化装置、暗号化方法、復号化方法、暗号化プログラム、及び復号化プログラム |
US8090105B2 (en) * | 2004-11-24 | 2012-01-03 | International Business Machines Corporation | Broadcast encryption with dual tree sizes |
JP2006195586A (ja) | 2005-01-11 | 2006-07-27 | Ntt Docomo Inc | コンテンツ配信ノード、ネットワーク機器および販売システム |
KR100970391B1 (ko) * | 2005-04-19 | 2010-07-15 | 삼성전자주식회사 | 브로드 캐스트 암호화 시스템에서의 태그 형성방법 |
US9787471B1 (en) * | 2005-06-02 | 2017-10-10 | Robert T. Jenkins and Virginia T. Jenkins | Data enciphering or deciphering using a hierarchical assignment system |
JP2007034835A (ja) * | 2005-07-28 | 2007-02-08 | Toshiba Corp | Icカード、受信装置、端末リスト生成装置及び端末認証方法 |
EP1929423A2 (de) * | 2005-09-16 | 2008-06-11 | Koninklijke Philips Electronics N.V. | Kryptographische rollenbasierte zugangskontrolle |
US8135645B2 (en) | 2005-12-06 | 2012-03-13 | Microsoft Corporation | Key distribution for secure messaging |
JP4763447B2 (ja) | 2005-12-19 | 2011-08-31 | 株式会社ソニー・コンピュータエンタテインメント | 認証システム及び認証対象装置 |
FR2896907A1 (fr) * | 2006-01-31 | 2007-08-03 | Thomson Licensing Sa | Methode de gravure et de distribution de donnees numeriques et dispositif associe. |
KR100772877B1 (ko) * | 2006-04-25 | 2007-11-02 | 삼성전자주식회사 | 디바이스 상호간 계층적 연결 장치 및 방법 |
CN101192918B (zh) * | 2006-11-24 | 2011-05-11 | 中兴通讯股份有限公司 | 一种广播网络中处理加密流的方法及系统 |
JP2008136135A (ja) * | 2006-11-29 | 2008-06-12 | Toshiba Corp | 再生装置、更新制御プログラムおよびサーバ装置 |
KR101321401B1 (ko) * | 2007-02-02 | 2013-10-25 | 재단법인서울대학교산학협력재단 | 그룹 키 관리 방법 및 이를 이용한 그룹 키 관리 장치 |
US8290157B2 (en) | 2007-02-20 | 2012-10-16 | Sony Corporation | Identification of a compromised content player |
JP2008236380A (ja) * | 2007-03-20 | 2008-10-02 | Sony Corp | 鍵提供システム、端末装置、及び情報処理方法 |
JP2008236377A (ja) * | 2007-03-20 | 2008-10-02 | Sony Corp | 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 |
CN101312409B (zh) * | 2007-05-23 | 2010-08-04 | 上海络杰软件有限公司 | 一种信息分层处理系统 |
WO2009074941A1 (en) * | 2007-12-12 | 2009-06-18 | Koninklijke Philips Electronics N.V. | Device keys for nnl encryption of software update applications |
CN102004889B (zh) * | 2010-11-30 | 2012-10-03 | 石家庄开发区冀科双实科技有限公司 | 一种树状分层系统中分层数据加密方法 |
US8675871B2 (en) * | 2011-05-31 | 2014-03-18 | International Business Machines Corporation | Protecting a control vector in an optional block of a standard key block |
JP5906146B2 (ja) * | 2012-06-29 | 2016-04-20 | 株式会社沖データ | 画像データ処理装置及びプログラム |
CN104737195A (zh) | 2012-08-15 | 2015-06-24 | 惠普发展公司,有限责任合伙企业 | 具有密钥旋转信息的元数据树 |
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-
2000
- 2000-06-15 JP JP2000179695A patent/JP2001352321A/ja active Pending
-
2001
- 2001-04-02 MX MXPA01012518A patent/MXPA01012518A/es active IP Right Grant
- 2001-04-02 DE DE60126874T patent/DE60126874T2/de not_active Expired - Lifetime
- 2001-04-02 EP EP01917787A patent/EP1187390B1/de not_active Expired - Lifetime
- 2001-04-02 CN CNB018016006A patent/CN100417064C/zh not_active Expired - Fee Related
- 2001-04-02 WO PCT/JP2001/002866 patent/WO2001078298A1/ja active IP Right Grant
- 2001-04-02 AU AU44709/01A patent/AU780325C/en not_active Ceased
- 2001-04-02 KR KR1020017015690A patent/KR100746880B1/ko not_active IP Right Cessation
- 2001-04-02 AT AT01917787T patent/ATE355671T1/de not_active IP Right Cessation
- 2001-04-02 US US10/009,076 patent/US7443984B2/en not_active Expired - Fee Related
- 2001-04-04 TW TW090108158A patent/TW518871B/zh not_active IP Right Cessation
- 2001-12-03 NO NO20015908A patent/NO332239B1/no not_active IP Right Cessation
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2003
- 2003-04-30 HK HK03103128.6A patent/HK1052417A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20020026284A (ko) | 2002-04-09 |
NO20015908L (no) | 2002-02-05 |
KR100746880B1 (ko) | 2007-08-07 |
DE60126874T2 (de) | 2007-10-31 |
JP2001352321A (ja) | 2001-12-21 |
NO20015908D0 (no) | 2001-12-03 |
WO2001078298A1 (fr) | 2001-10-18 |
AU780325B2 (en) | 2005-03-17 |
CN100417064C (zh) | 2008-09-03 |
TW518871B (en) | 2003-01-21 |
AU4470901A (en) | 2001-10-23 |
EP1187390A1 (de) | 2002-03-13 |
NO332239B1 (no) | 2012-08-06 |
CN1383644A (zh) | 2002-12-04 |
MXPA01012518A (es) | 2002-07-02 |
AU780325C (en) | 2006-03-02 |
US7443984B2 (en) | 2008-10-28 |
HK1052417A1 (en) | 2003-09-11 |
EP1187390A4 (de) | 2003-05-07 |
US20020136411A1 (en) | 2002-09-26 |
WO2001078298A8 (fr) | 2001-12-27 |
DE60126874D1 (de) | 2007-04-12 |
EP1187390B1 (de) | 2007-02-28 |
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