HK1058588A1 - Information processing system and method. - Google Patents
Information processing system and method.Info
- Publication number
- HK1058588A1 HK1058588A1 HK03109356A HK03109356A HK1058588A1 HK 1058588 A1 HK1058588 A1 HK 1058588A1 HK 03109356 A HK03109356 A HK 03109356A HK 03109356 A HK03109356 A HK 03109356A HK 1058588 A1 HK1058588 A1 HK 1058588A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- ekb
- information processing
- category
- tree
- key
- Prior art date
Links
- 230000010365 information processing Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
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
-
- 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
- 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
-
- 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)
- H04L9/0822—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) using key encryption key
-
- 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
- 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
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (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)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Hardware Redundancy (AREA)
- Debugging And Monitoring (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000395105A JP4078802B2 (ja) | 2000-12-26 | 2000-12-26 | 情報処理システム、情報処理方法、情報処理装置、および情報記録媒体、並びにプログラム記録媒体 |
PCT/JP2001/011235 WO2002052779A1 (fr) | 2000-12-26 | 2001-12-21 | Systeme et procede de traitement d'informations |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1058588A1 true HK1058588A1 (en) | 2004-05-21 |
Family
ID=18860622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK03109356A HK1058588A1 (en) | 2000-12-26 | 2003-12-23 | Information processing system and method. |
Country Status (9)
Country | Link |
---|---|
US (2) | US6911974B2 (de) |
EP (1) | EP1253738B1 (de) |
JP (1) | JP4078802B2 (de) |
KR (1) | KR100859623B1 (de) |
CN (1) | CN1203639C (de) |
AT (1) | ATE373357T1 (de) |
DE (1) | DE60130430T2 (de) |
HK (1) | HK1058588A1 (de) |
WO (1) | WO2002052779A1 (de) |
Families Citing this family (66)
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JP4581246B2 (ja) * | 2000-12-26 | 2010-11-17 | ソニー株式会社 | 情報処理システム、および情報処理方法、並びにプログラム記録媒体 |
JP4078802B2 (ja) * | 2000-12-26 | 2008-04-23 | ソニー株式会社 | 情報処理システム、情報処理方法、情報処理装置、および情報記録媒体、並びにプログラム記録媒体 |
FR2825869B1 (fr) * | 2001-06-08 | 2003-10-03 | France Telecom | Procede d'authentification entre un objet de telecommunication portable et une borne d'acces public |
GB0119070D0 (en) * | 2001-08-06 | 2001-09-26 | Ibm | Method and apparatus for managing a loop network |
US20060259607A1 (en) * | 2001-09-13 | 2006-11-16 | Network Foundation Technologies, Llc | System and method for distributing data over a computer network |
EP1440439A1 (de) * | 2001-10-12 | 2004-07-28 | Koninklijke Philips Electronics N.V. | Gerät und verfahren zum lesen oder schreiben von blockweise gespeicherten benutzerdaten |
EP1459475A2 (de) * | 2001-10-26 | 2004-09-22 | Matsushita Electric Industrial Co., Ltd. | Schlüsselverwaltungsvorrichtung |
US7340603B2 (en) * | 2002-01-30 | 2008-03-04 | Sony Corporation | Efficient revocation of receivers |
US7152166B2 (en) * | 2002-06-26 | 2006-12-19 | Microsoft Corporation | Digital rights management (DRM) encryption and data-protection for content on device without interactive authentication |
EP1538779B1 (de) * | 2002-10-11 | 2020-02-19 | Panasonic Intellectual Property Corporation of America | Verfahren zum schutz von identifikationsinformationen in einer wlan-verbindung |
US7296158B2 (en) * | 2002-11-08 | 2007-11-13 | Palo Alto Research Center Incorporated | Methods, apparatus, and program products for inferring service usage |
EP1593229B1 (de) * | 2003-01-15 | 2010-10-13 | Panasonic Corporation | Inhaltsschutzsystem, endgerät, endgerätmethode und speichermedium |
JP3823925B2 (ja) * | 2003-02-05 | 2006-09-20 | ソニー株式会社 | 情報処理装置、ライセンス情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
US7835520B2 (en) * | 2003-02-20 | 2010-11-16 | Zoran Corporation | Unique identifier per chip for digital audio/video data encryption/decryption in personal video recorders |
JP4239741B2 (ja) * | 2003-07-30 | 2009-03-18 | ソニー株式会社 | 情報記録媒体製造管理システム、情報処理装置、および方法、並びにコンピュータ・プログラム |
US8015301B2 (en) * | 2003-09-30 | 2011-09-06 | Novell, Inc. | Policy and attribute based access to a resource |
US7299493B1 (en) * | 2003-09-30 | 2007-11-20 | Novell, Inc. | Techniques for dynamically establishing and managing authentication and trust relationships |
US7467415B2 (en) * | 2003-09-30 | 2008-12-16 | Novell, Inc. | Distributed dynamic security for document collaboration |
JP4313703B2 (ja) * | 2004-03-12 | 2009-08-12 | 彼方株式会社 | 情報処理装置、システム、方法及びプログラム |
US8312110B2 (en) * | 2004-03-12 | 2012-11-13 | Kanata Limited | Content manipulation using hierarchical address translations across a network |
US7873685B2 (en) * | 2004-05-13 | 2011-01-18 | Pixar | System and method for flexible path handling |
EP1745587A1 (de) * | 2004-05-12 | 2007-01-24 | Telefonaktiebolaget LM Ericsson (publ) | Schlüsselverwaltungsnachrichten für die sichere ausstrahlung |
US7552476B2 (en) * | 2004-06-25 | 2009-06-23 | Canon Kabushiki Kaisha | Security against replay attacks of messages |
JP2006014035A (ja) * | 2004-06-28 | 2006-01-12 | Toshiba Corp | 記憶媒体処理方法、記憶媒体処理装置及びプログラム |
US8312267B2 (en) | 2004-07-20 | 2012-11-13 | Time Warner Cable Inc. | Technique for securely communicating programming content |
US8266429B2 (en) | 2004-07-20 | 2012-09-11 | Time Warner Cable, Inc. | Technique for securely communicating and storing programming material in a trusted domain |
CN1728262A (zh) * | 2004-07-29 | 2006-02-01 | 皇家飞利浦电子股份有限公司 | 一种用于通过网络提供加密内容并且对该内容进行解密的***,设备和方法 |
US7802096B1 (en) * | 2004-10-19 | 2010-09-21 | Cisco Technology, Inc. | Fallback key retrieval |
US7814317B1 (en) * | 2004-10-19 | 2010-10-12 | Cisco Technology, Inc. | Multiple password documents |
US7386128B2 (en) * | 2004-12-29 | 2008-06-10 | General Instrument Corporation | Conditional access system providing access to multiple programs or services |
EA012674B1 (ru) * | 2005-04-29 | 2009-12-30 | Филип Моррис Продактс С.А. | Табачный продукт в пакетиках |
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 |
US8145917B2 (en) * | 2005-12-30 | 2012-03-27 | Nokia Corporation | Security bootstrapping for distributed architecture devices |
KR20070104130A (ko) * | 2006-04-21 | 2007-10-25 | 삼성전자주식회사 | 컨텐츠 목록 표시 방법 및 장치 |
JP4837463B2 (ja) * | 2006-07-11 | 2011-12-14 | Kddi株式会社 | 鍵管理システム、鍵管理方法およびプログラム |
US8520850B2 (en) | 2006-10-20 | 2013-08-27 | Time Warner Cable Enterprises Llc | Downloadable security and protection methods and apparatus |
US8732854B2 (en) | 2006-11-01 | 2014-05-20 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
US8621540B2 (en) | 2007-01-24 | 2013-12-31 | Time Warner Cable Enterprises Llc | Apparatus and methods for provisioning in a download-enabled system |
WO2008108916A1 (en) * | 2007-03-01 | 2008-09-12 | Wms Gaming Inc. | Electronic gaming machine security for software stored in nonvolatile media |
US10242163B2 (en) * | 2008-11-19 | 2019-03-26 | Adobe Systems Incorporated | Access to protected content based on license hierarchy |
US9602864B2 (en) | 2009-06-08 | 2017-03-21 | Time Warner Cable Enterprises Llc | Media bridge apparatus and methods |
US9866609B2 (en) | 2009-06-08 | 2018-01-09 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
US9906838B2 (en) | 2010-07-12 | 2018-02-27 | Time Warner Cable Enterprises Llc | Apparatus and methods for content delivery and message exchange across multiple content delivery networks |
US20120284534A1 (en) * | 2011-05-04 | 2012-11-08 | Chien-Kang Yang | Memory Device and Method for Accessing the Same |
CN102611558B (zh) * | 2012-04-27 | 2014-12-17 | 西安电子科技大学 | 基于幻方的多人共管电子账户密钥分配和身份认证方法 |
US9565472B2 (en) | 2012-12-10 | 2017-02-07 | Time Warner Cable Enterprises Llc | Apparatus and methods for content transfer protection |
US20140282786A1 (en) | 2013-03-12 | 2014-09-18 | Time Warner Cable Enterprises Llc | Methods and apparatus for providing and uploading content to personalized network storage |
US9066153B2 (en) | 2013-03-15 | 2015-06-23 | Time Warner Cable Enterprises Llc | Apparatus and methods for multicast delivery of content in a content delivery network |
US10368255B2 (en) | 2017-07-25 | 2019-07-30 | Time Warner Cable Enterprises Llc | Methods and apparatus for client-based dynamic control of connections to co-existing radio access networks |
US9313568B2 (en) | 2013-07-23 | 2016-04-12 | Chicago Custom Acoustics, Inc. | Custom earphone with dome in the canal |
CN105393257B (zh) * | 2014-05-07 | 2018-09-21 | 华为终端(东莞)有限公司 | 一种数据加密方法及加密装置 |
US9621940B2 (en) | 2014-05-29 | 2017-04-11 | Time Warner Cable Enterprises Llc | Apparatus and methods for recording, accessing, and delivering packetized content |
US11540148B2 (en) | 2014-06-11 | 2022-12-27 | Time Warner Cable Enterprises Llc | Methods and apparatus for access point location |
US9935833B2 (en) | 2014-11-05 | 2018-04-03 | Time Warner Cable Enterprises Llc | Methods and apparatus for determining an optimized wireless interface installation configuration |
US9986578B2 (en) | 2015-12-04 | 2018-05-29 | Time Warner Cable Enterprises Llc | Apparatus and methods for selective data network access |
US9918345B2 (en) | 2016-01-20 | 2018-03-13 | Time Warner Cable Enterprises Llc | Apparatus and method for wireless network services in moving vehicles |
US10492034B2 (en) | 2016-03-07 | 2019-11-26 | Time Warner Cable Enterprises Llc | Apparatus and methods for dynamic open-access networks |
US10164858B2 (en) | 2016-06-15 | 2018-12-25 | Time Warner Cable Enterprises Llc | Apparatus and methods for monitoring and diagnosing a wireless network |
US11128452B2 (en) * | 2017-03-25 | 2021-09-21 | AVAST Software s.r.o. | Encrypted data sharing with a hierarchical key structure |
US10645547B2 (en) | 2017-06-02 | 2020-05-05 | Charter Communications Operating, Llc | Apparatus and methods for providing wireless service in a venue |
US10638361B2 (en) | 2017-06-06 | 2020-04-28 | Charter Communications Operating, Llc | Methods and apparatus for dynamic control of connections to co-existing radio access networks |
US11303632B1 (en) * | 2018-06-08 | 2022-04-12 | Wells Fargo Bank, N.A. | Two-way authentication system and method |
IL300495A (en) * | 2020-08-19 | 2023-04-01 | Sn2N Llc | Secure communication between known users |
WO2022042839A1 (en) * | 2020-08-27 | 2022-03-03 | Huawei Technologies Co., Ltd. | Method and system for data deduplication and compression in untrusted storage system |
US11558185B2 (en) | 2021-03-19 | 2023-01-17 | Raytheon Bbn Technologies Corp. | Stream-based key management |
US11804949B2 (en) * | 2021-03-19 | 2023-10-31 | Raytheon Bbn Technologies Corp. | Subscriber revocation in a publish-subscribe network using attribute-based encryption |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4736296A (en) * | 1983-12-26 | 1988-04-05 | Hitachi, Ltd. | Method and apparatus of intelligent guidance in natural language |
US4914590A (en) * | 1988-05-18 | 1990-04-03 | Emhart Industries, Inc. | Natural language understanding system |
US5282265A (en) * | 1988-10-04 | 1994-01-25 | Canon Kabushiki Kaisha | Knowledge information processing system |
US5748736A (en) | 1996-06-14 | 1998-05-05 | Mittra; Suvo | System and method for secure group communications via multicast or broadcast |
JP3093678B2 (ja) | 1996-06-28 | 2000-10-03 | 株式会社東芝 | 暗号化方法、復号方法、記録再生装置、復号装置、復号化ユニット装置及び記録媒体の製造方法 |
JPH11187013A (ja) | 1997-12-24 | 1999-07-09 | Ibm Japan Ltd | 暗号鍵配信システム |
US6049878A (en) | 1998-01-20 | 2000-04-11 | Sun Microsystems, Inc. | Efficient, secure multicasting with global knowledge |
US6240188B1 (en) | 1999-07-06 | 2001-05-29 | Matsushita Electric Industrial Co., Ltd. | Distributed group key management scheme for secure many-to-many communication |
US6263435B1 (en) * | 1999-07-06 | 2001-07-17 | Matsushita Electric Industrial Co., Ltd. | Dual encryption protocol for scalable secure group communication |
SE523293C2 (sv) | 1999-11-03 | 2004-04-06 | Ericsson Telefon Ab L M | Multibandantenn |
JP4078802B2 (ja) * | 2000-12-26 | 2008-04-23 | ソニー株式会社 | 情報処理システム、情報処理方法、情報処理装置、および情報記録媒体、並びにプログラム記録媒体 |
-
2000
- 2000-12-26 JP JP2000395105A patent/JP4078802B2/ja not_active Expired - Fee Related
-
2001
- 2001-12-21 AT AT01272279T patent/ATE373357T1/de not_active IP Right Cessation
- 2001-12-21 KR KR1020027011168A patent/KR100859623B1/ko not_active IP Right Cessation
- 2001-12-21 US US10/204,514 patent/US6911974B2/en not_active Expired - Fee Related
- 2001-12-21 WO PCT/JP2001/011235 patent/WO2002052779A1/ja active IP Right Grant
- 2001-12-21 DE DE60130430T patent/DE60130430T2/de not_active Expired - Lifetime
- 2001-12-21 CN CNB018086594A patent/CN1203639C/zh not_active Expired - Fee Related
- 2001-12-21 EP EP01272279A patent/EP1253738B1/de not_active Expired - Lifetime
-
2003
- 2003-12-23 HK HK03109356A patent/HK1058588A1/xx not_active IP Right Cessation
-
2005
- 2005-05-19 US US11/132,664 patent/US7405731B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60130430T2 (de) | 2008-06-12 |
DE60130430D1 (de) | 2007-10-25 |
WO2002052779A1 (fr) | 2002-07-04 |
KR20030019316A (ko) | 2003-03-06 |
CN1426643A (zh) | 2003-06-25 |
EP1253738B1 (de) | 2007-09-12 |
US6911974B2 (en) | 2005-06-28 |
US7405731B2 (en) | 2008-07-29 |
JP4078802B2 (ja) | 2008-04-23 |
JP2002198948A (ja) | 2002-07-12 |
US20050228809A1 (en) | 2005-10-13 |
CN1203639C (zh) | 2005-05-25 |
EP1253738A4 (de) | 2005-02-02 |
ATE373357T1 (de) | 2007-09-15 |
US20030140227A1 (en) | 2003-07-24 |
EP1253738A1 (de) | 2002-10-30 |
KR100859623B1 (ko) | 2008-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20091221 |