CN1238989C - 数据发布 - Google Patents

数据发布 Download PDF

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Publication number
CN1238989C
CN1238989C CNB008107610A CN00810761A CN1238989C CN 1238989 C CN1238989 C CN 1238989C CN B008107610 A CNB008107610 A CN B008107610A CN 00810761 A CN00810761 A CN 00810761A CN 1238989 C CN1238989 C CN 1238989C
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CN
China
Prior art keywords
key
seed
sequence
data
value
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.)
Expired - Lifetime
Application number
CNB008107610A
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English (en)
Chinese (zh)
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CN1408153A (zh
Inventor
罗伯特·约翰·布里斯科
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British Telecommunications PLC
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British Telecommunications PLC
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
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Publication of CN1408153A publication Critical patent/CN1408153A/zh
Application granted granted Critical
Publication of CN1238989C publication Critical patent/CN1238989C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0272—Virtual private networks
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CNB008107610A 1999-07-23 2000-07-20 数据发布 Expired - Lifetime CN1238989C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99305870A EP1075108A1 (en) 1999-07-23 1999-07-23 Cryptographic data distribution
EP99305870.0 1999-07-23

Publications (2)

Publication Number Publication Date
CN1408153A CN1408153A (zh) 2003-04-02
CN1238989C true CN1238989C (zh) 2006-01-25

Family

ID=8241539

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008107610A Expired - Lifetime CN1238989C (zh) 1999-07-23 2000-07-20 数据发布

Country Status (9)

Country Link
US (1) US7212634B2 (université)
EP (2) EP1075108A1 (université)
JP (1) JP4723141B2 (université)
KR (1) KR20020026547A (université)
CN (1) CN1238989C (université)
AU (1) AU6005600A (université)
CA (1) CA2379578C (université)
IL (1) IL147549A0 (université)
WO (1) WO2001008348A1 (université)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6886098B1 (en) * 1999-08-13 2005-04-26 Microsoft Corporation Systems and methods for compression of key sets having multiple keys
AU6640500A (en) * 1999-08-13 2001-03-19 Microsoft Corporation Methods and systems of protecting digital content
US7181014B1 (en) 1999-09-10 2007-02-20 Cisco Technology, Inc. Processing method for key exchange among broadcast or multicast groups that provides a more efficient substitute for Diffie-Hellman key exchange
US7013389B1 (en) 1999-09-29 2006-03-14 Cisco Technology, Inc. Method and apparatus for creating a secure communication channel among multiple event service nodes
US7103185B1 (en) * 1999-12-22 2006-09-05 Cisco Technology, Inc. Method and apparatus for distributing and updating private keys of multicast group managers using directory replication
US7434046B1 (en) * 1999-09-10 2008-10-07 Cisco Technology, Inc. Method and apparatus providing secure multicast group communication
US7089211B1 (en) 2000-01-12 2006-08-08 Cisco Technology, Inc. Directory enabled secure multicast group communications
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
WO2002067494A1 (de) * 2001-02-21 2002-08-29 Stockburger, Andreas Verfahren und system zur gesicherten codierungsschlüsselvermittlung, sowie zur befehls- und datenübertragung in datennetzen
US7404080B2 (en) 2001-04-16 2008-07-22 Bjorn Markus Jakobsson Methods and apparatus for efficient computation of one-way chains in cryptographic applications
FR2825209A1 (fr) * 2001-05-23 2002-11-29 Thomson Licensing Sa Dispositifs et procede de securisation et d'identification de messages
US7124442B2 (en) 2001-07-25 2006-10-17 440 Pammel, Inc. System and method for insertion and retrieval of microthreads in transmitted data
DE10142498A1 (de) * 2001-08-30 2003-03-27 Siemens Ag Verfahren zur Ver- und Entschlüsselung von Kommunikationsdaten
US7334125B1 (en) 2001-11-27 2008-02-19 Cisco Technology, Inc. Facilitating secure communications among multicast nodes in a telecommunications network
WO2003084166A1 (en) * 2002-03-27 2003-10-09 British Telecommunications Public Limited Company Key management protocol
JP4218256B2 (ja) 2002-05-02 2009-02-04 富士ゼロックス株式会社 データ転送方法及びシステム
US7486795B2 (en) * 2002-09-20 2009-02-03 University Of Maryland Method and apparatus for key management in distributed sensor networks
US7702904B2 (en) * 2002-11-15 2010-04-20 Nec Corporation Key management system and multicast delivery system using the same
US7450722B2 (en) * 2002-12-13 2008-11-11 General Instrument Corporation Subset difference method for multi-cast rekeying
GB2398210A (en) * 2003-02-05 2004-08-11 Sony Uk Ltd Encryption using a binary tree structure
JP2004272317A (ja) * 2003-03-05 2004-09-30 Hitachi Ltd プログラム管理方法及びシステム並びにその処理プログラムを格納した記憶媒体
GB0328012D0 (en) * 2003-12-03 2004-01-07 Oxford Semiconductor Ltd Data distribution method and apparatus
JP4602675B2 (ja) * 2004-02-10 2010-12-22 エヌ・ティ・ティ・コミュニケーションズ株式会社 機密情報管理システム、機密情報管理方法、および機密情報管理プログラム、並びに機密情報管理システム用端末プログラム
CN101010691A (zh) * 2004-06-14 2007-08-01 北卡罗莱纳大学格林斯伯勒分校 用于数字内容安全的系统和方法
KR101092543B1 (ko) 2004-11-12 2011-12-14 삼성전자주식회사 브로드캐스트 암호화를 위한 사용자 키 관리 방법
US7536016B2 (en) * 2004-12-17 2009-05-19 Microsoft Corporation Encrypted content data structure package and generation thereof
JP2006262450A (ja) * 2005-02-17 2006-09-28 Ricoh Co Ltd 電子機器，情報管理方法および情報管理プログラム
US8081657B2 (en) 2005-03-22 2011-12-20 Bigband Networks Inc. Method and device for providing video, data and voice to end user devices
US7716250B1 (en) * 2005-05-27 2010-05-11 Microsoft Corporation Erasure coding and group computations using rooted binary and ternary trees
GB0519814D0 (en) * 2005-09-29 2005-11-23 Hewlett Packard Development Co Methods and apparatus for managing and using one-time pads
US9191198B2 (en) 2005-06-16 2015-11-17 Hewlett-Packard Development Company, L.P. Method and device using one-time pad data
DE102005033285C5 (de) 2005-07-15 2019-11-07 Institut für Rundfunktechnik GmbH Consumer-Electronic-Gerät
DE102005033836B4 (de) * 2005-07-20 2009-11-19 Institut für Rundfunktechnik GmbH Verfahren zum Weiterleiten von Nutzungsberechtigungsinformationen
US8966517B2 (en) 2005-09-20 2015-02-24 Forefront Assets Limited Liability Company Method, system and program product for broadcast operations utilizing internet protocol and digital artifacts
US8566857B2 (en) 2005-09-20 2013-10-22 Forefront Assets Limited Liability Company Method, system and program product for broadcast advertising and other broadcast content performance verification utilizing digital artifacts
EP1927189B1 (en) 2005-09-20 2016-04-27 Gula Consulting Limited Liability Company Insertion and retrieval of identifying artifacts in transmitted lossy and lossless data
US8566858B2 (en) 2005-09-20 2013-10-22 Forefront Assets Limited Liability Company Method, system and program product for broadcast error protection of content elements utilizing digital artifacts
US8250363B2 (en) 2005-09-29 2012-08-21 Hewlett-Packard Development Company, L.P. Method of provisioning devices with one-time pad data, device for use in such method, and service usage tracking based on one-time pad data
US8842839B2 (en) 2005-09-29 2014-09-23 Hewlett-Packard Development Company, L.P. Device with multiple one-time pads and method of managing such a device
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
KR20080060268A (ko) * 2005-10-06 2008-07-01 버전스 엔터테인먼트 엘엘씨, 어 캘리포니아 리미티드 라이어빌러티 컴퍼니 부정기적 콘테스트에서의 실질적으로 동시적인 경보 및 그이용
US20070143216A1 (en) * 2005-12-16 2007-06-21 Benaloh Josh D Data Signal with a Database and a Compressed Key
US8176568B2 (en) * 2005-12-30 2012-05-08 International Business Machines Corporation Tracing traitor coalitions and preventing piracy of digital content in a broadcast encryption system
JP2007193602A (ja) * 2006-01-19 2007-08-02 Fujitsu Ltd ストリーム・データ配信管理方法及び装置
WO2008054456A2 (en) * 2006-02-22 2008-05-08 Luna Innovations Inc. Hardware-facilitated secure software execution environment
US20070245018A1 (en) * 2006-04-12 2007-10-18 International Business Machines Corporation Dynamic access control in a content-based publish/subscribe system with delivery guarantees
KR20070119335A (ko) * 2006-06-15 2007-12-20 삼성전자주식회사 브로드캐스트 암호화를 위한 사용자 키 할당 방법
US20080019515A1 (en) * 2006-06-22 2008-01-24 Li-Chih Tseng Method and apparatus for security sequence numbering in a wireless communication system
US20080022117A1 (en) * 2006-07-21 2008-01-24 Antonius Kalker Enabling access to more than one encrypted data segment of a segmentable data stream
KR101223499B1 (ko) * 2006-09-27 2013-01-18 삼성전자주식회사 그룹 키 업데이트 방법 및 이를 이용한 그룹 키 업데이트장치
IL178488A0 (en) * 2006-10-05 2008-01-20 Nds Ltd Improved key production system
US7984158B2 (en) * 2007-03-20 2011-07-19 Microsoft Corporation Web service for coordinating actions of clients
US8036965B1 (en) * 2007-03-26 2011-10-11 Trading Technologies International, Inc. Distribution of electronic market data
US7936873B2 (en) * 2007-05-07 2011-05-03 Apple Inc. Secure distribution of content using decryption keys
US20080304664A1 (en) * 2007-06-07 2008-12-11 Shanmugathasan Suthaharan System and a method for securing information
WO2009145495A2 (en) 2008-04-04 2009-12-03 Samsung Electronics Co., Ltd. Method and apparatus for providing broadcast service using encryption key in a communication system
KR101514840B1 (ko) * 2008-06-11 2015-04-23 삼성전자주식회사 휴대 방송 시스템에서의 암호화 키 분배 방법 및 이를 위한시스템
US8595504B2 (en) * 2008-08-12 2013-11-26 Industrial Technology Research Institute Light weight authentication and secret retrieval
JP5255499B2 (ja) * 2009-03-30 2013-08-07 株式会社エヌ・ティ・ティ・ドコモ 鍵情報管理方法、コンテンツ送信方法、鍵情報管理装置、ライセンス管理装置、コンテンツ送信システム、及び端末装置
US8607057B2 (en) * 2009-05-15 2013-12-10 Microsoft Corporation Secure outsourced aggregation with one-way chains
JP5552541B2 (ja) 2009-12-04 2014-07-16 クリプトグラフィ リサーチ， インコーポレイテッド 検証可能な耐漏洩性暗号化および復号化
US8468343B2 (en) * 2010-01-13 2013-06-18 Futurewei Technologies, Inc. System and method for securing wireless transmissions
CN101917623B (zh) * 2010-09-03 2012-11-21 杭州海康威视数字技术股份有限公司 编码码流的防篡改加密方法、检测方法及装置
GB2484931B (en) * 2010-10-26 2014-04-30 Nds Ltd Efficient delivery of structured data items
US8914635B2 (en) * 2011-07-25 2014-12-16 Grey Heron Technologies, Llc Method and system for establishing secure communications using composite key cryptography
US8699703B2 (en) * 2011-10-19 2014-04-15 Apple Inc. System and method for pseudo-random polymorphic tree construction
US8954749B2 (en) 2012-04-06 2015-02-10 At&T Intellectual Property I, L.P. Methods, systems, and product for hashing using twisted tabulation
KR101319586B1 (ko) * 2012-06-19 2013-10-16 경기대학교 산학협력단 클라우드 컴퓨팅 시스템 및 클라이언트 인증방법
KR101947982B1 (ko) 2012-09-11 2019-02-15 삼성전자주식회사 무선 전력 전송 시스템의 공진기 제어 장치 및 방법
US9425967B2 (en) * 2013-03-20 2016-08-23 Industrial Technology Research Institute Method for certificate generation and revocation with privacy preservation
DE102013205166A1 (de) * 2013-03-22 2014-09-25 Robert Bosch Gmbh Verfahren zum Erzeugen einer Einwegfunktion
KR101475747B1 (ko) * 2014-01-22 2014-12-23 고려대학교 산학협력단 동형 암호를 이용한 다자간 위탁 연산 방법
US9338144B2 (en) 2014-02-19 2016-05-10 Raytheon Bbn Technologies Corp. System and method for operating on streaming encrypted data
US9325671B2 (en) 2014-02-19 2016-04-26 Raytheon Bbn Technologies Corp. System and method for merging encryption data using circular encryption key switching
US9461974B2 (en) 2014-02-28 2016-10-04 Raytheon Bbn Technologies Corp. System and method to merge encrypted signals in distributed communication system
US9313181B2 (en) * 2014-02-28 2016-04-12 Raytheon Bbn Technologies Corp. System and method to merge encrypted signals in distributed communication system
US9628450B2 (en) 2014-04-16 2017-04-18 Raytheon Bbn Technologies Corp. System and method for merging encryption data without sharing a private key
US9788039B2 (en) * 2014-06-23 2017-10-10 Google Inc. Camera system API for third-party integrations
US20150370272A1 (en) 2014-06-23 2015-12-24 Google Inc. Intelligent configuration of a smart environment based on arrival time
US10218496B2 (en) * 2014-08-04 2019-02-26 Cryptography Research, Inc. Outputting a key based on an authorized sequence of operations
CN104767610B (zh) * 2015-04-23 2018-11-20 数据堂（北京）科技股份有限公司 一种数据加密方法及系统
US9985946B2 (en) * 2015-12-22 2018-05-29 Intel Corporation System, apparatus and method for safety state management of internet things (IoT) devices
JP6834771B2 (ja) * 2017-05-19 2021-02-24 富士通株式会社 通信装置および通信方法
CN118900199A (zh) 2019-01-28 2024-11-05 康奈尔克有限公司 用于安全电子数据传输的系统和方法
CN113874857B (zh) * 2019-05-27 2025-07-08 百可德罗德公司 用于最优信息理论安全的加密密钥管理的方法和设备
US10951697B2 (en) * 2019-06-07 2021-03-16 Holo Limited Holochain—A framework for distributed applications
US11411728B2 (en) 2019-08-19 2022-08-09 Red Hat, Inc. Proof-of-work key wrapping with individual key fragments
US11436352B2 (en) 2019-08-19 2022-09-06 Red Hat, Inc. Proof-of-work key wrapping for restricting data execution based on device capabilities
US11303437B2 (en) 2019-08-19 2022-04-12 Red Hat, Inc. Proof-of-work key wrapping with key thresholding
US11316839B2 (en) 2019-08-19 2022-04-26 Red Hat, Inc. Proof-of-work key wrapping for temporally restricting data access
US11424920B2 (en) 2019-08-19 2022-08-23 Red Hat, Inc. Proof-of-work key wrapping for cryptographically controlling data access
US11271734B2 (en) 2019-08-19 2022-03-08 Red Hat, Inc. Proof-of-work key wrapping for verifying device capabilities
US11411938B2 (en) 2019-08-19 2022-08-09 Red Hat, Inc. Proof-of-work key wrapping with integrated key fragments
CN110728614B (zh) * 2019-09-27 2023-09-19 天津大学 灰狼优化算法和完全三叉树结构小波域彩色多水印方法
DE102020112102B3 (de) * 2020-05-05 2021-05-20 Infineon Technologies Ag Verfahren und Vorrichtungen zur Erzeugung eines symmetrischen Sitzungsschlüssels für die verschlüsselte Kommunikation
WO2022167945A1 (en) * 2021-02-02 2022-08-11 Gsi Technology Inc. System and method for parallel combinatorial design
WO2022198551A1 (en) * 2021-03-25 2022-09-29 Intel Corporation Multi-tenancy protection for accelerators

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483424A1 (en) * 1990-10-30 1992-05-06 International Business Machines Corporation Key hashing in data processors
US5309516A (en) * 1990-12-07 1994-05-03 Hitachi, Ltd. Group cipher communication method and group cipher communication system
DE19511298B4 (de) * 1995-03-28 2005-08-18 Deutsche Telekom Ag Verfahren zur Erteilung und zum Entzug der Berechtigung zum Empfang von Rundfunksendungen und Decoder
US6078663A (en) * 1995-06-30 2000-06-20 Canon Kabushiki Kaisha Communication apparatus and a communication system
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
US5748734A (en) * 1996-04-02 1998-05-05 Lucent Technologies Inc. Circuit and method for generating cryptographic keys
JP3917687B2 (ja) * 1996-08-22 2007-05-23 富士通株式会社 コンテンツ利用管理装置及びその装置を用いたコンテンツ利用システム
US6125186A (en) * 1996-11-28 2000-09-26 Fujitsu Limited Encryption communication system using an agent and a storage medium for storing that agent
WO1998045980A2 (en) * 1997-03-10 1998-10-15 Fielder Guy L Secure deterministic encryption key generator system and method
EP1650757A1 (en) * 1997-05-13 2006-04-26 Kabushiki Kaisha Toshiba Information ciphering method and apparatus, information reproducing method and apparatus
JPH1141280A (ja) * 1997-07-15 1999-02-12 N T T Data:Kk 通信システム、ｖｐｎ中継装置、記録媒体
JPH1185014A (ja) * 1997-09-12 1999-03-30 Teruo Matsumoto 暗号情報交換方式
US6996722B1 (en) * 1997-12-19 2006-02-07 British Telecommunications Public Limited Company Data communications
US6182220B1 (en) * 1998-03-30 2001-01-30 International Business Machines Corporation System and method for building and exchanging encrypted passwords between a client and server
US6801999B1 (en) * 1999-05-20 2004-10-05 Microsoft Corporation Passive and active software objects containing bore resistant watermarking
US6772340B1 (en) * 2000-01-14 2004-08-03 Microsoft Corporation Digital rights management system operating on computing device and having black box tied to computing device
US6931128B2 (en) * 2001-01-16 2005-08-16 Microsoft Corporation Methods and systems for generating encryption keys using random bit generators

Also Published As

Publication number Publication date
CA2379578A1 (en) 2001-02-01
EP1197031A1 (en) 2002-04-17
JP4723141B2 (ja) 2011-07-13
KR20020026547A (ko) 2002-04-10
WO2001008348A1 (en) 2001-02-01
IL147549A0 (en) 2002-08-14
JP2003505978A (ja) 2003-02-12
CA2379578C (en) 2009-11-24
US20030044017A1 (en) 2003-03-06
US7212634B2 (en) 2007-05-01
EP1197031B1 (en) 2014-10-01
AU6005600A (en) 2001-02-13
CN1408153A (zh) 2003-04-02
EP1075108A1 (en) 2001-02-07

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