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WO1999060749A8 - Systeme de partage d'informations - Google Patents

Systeme de partage d'informations

Info

Publication number
WO1999060749A8
WO1999060749A8 PCT/JP1999/002510 JP9902510W WO9960749A8 WO 1999060749 A8 WO1999060749 A8 WO 1999060749A8 JP 9902510 W JP9902510 W JP 9902510W WO 9960749 A8 WO9960749 A8 WO 9960749A8
Authority
WO
WIPO (PCT)
Prior art keywords
key
digital signature
list
encrypted
unit
Prior art date
Application number
PCT/JP1999/002510
Other languages
English (en)
French (fr)
Other versions
WO1999060749A1 (fr
Inventor
Tatsuma Ohkubo
Shouichi Toyoda
Kazunari Nakane
Tetsu Saburi
Naoto Oki
Original Assignee
Mitsubishi Materials Corp
Tatsuma Ohkubo
Shouichi Toyoda
Kazunari Nakane
Tetsu Saburi
Naoto Oki
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
Priority claimed from JP10135502A external-priority patent/JPH11331145A/ja
Priority claimed from JP10227410A external-priority patent/JP2000059358A/ja
Priority claimed from JP10307658A external-priority patent/JP2000134195A/ja
Priority claimed from JP10309223A external-priority patent/JP2000137435A/ja
Priority claimed from JP10372187A external-priority patent/JP2000196583A/ja
Priority claimed from JP11029384A external-priority patent/JP2000227879A/ja
Application filed by Mitsubishi Materials Corp, Tatsuma Ohkubo, Shouichi Toyoda, Kazunari Nakane, Tetsu Saburi, Naoto Oki filed Critical Mitsubishi Materials Corp
Priority to EP99919583A priority Critical patent/EP1083699A1/en
Publication of WO1999060749A1 publication Critical patent/WO1999060749A1/ja
Publication of WO1999060749A8 publication Critical patent/WO1999060749A8/ja

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0825Key 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 asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H04L9/0897Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/321Cryptographic 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 involving a third party or a trusted authority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
    • H04L2209/601Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
PCT/JP1999/002510 1998-05-18 1999-05-14 Systeme de partage d'informations WO1999060749A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99919583A EP1083699A1 (en) 1998-05-18 1999-05-14 Information sharing system

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP10/135502 1998-05-18
JP10135502A JPH11331145A (ja) 1998-05-18 1998-05-18 情報共有システム、情報保管装置およびそれらの情報処理方法、並びに記録媒体
JP10227410A JP2000059358A (ja) 1998-08-11 1998-08-11 情報改竄検知装置および改竄検知プログラムを記録したコンピュータ読み取り可能な記録媒体
JP10/227410 1998-08-11
JP10307658A JP2000134195A (ja) 1998-10-28 1998-10-28 暗号化装置、復号化装置、方法及びその記録媒体
JP10/307658 1998-10-28
JP10/309223 1998-10-29
JP10309223A JP2000137435A (ja) 1998-10-29 1998-10-29 チームデータリスト管理装置及びチームデータリスト保管装置及びチームデータリスト処理システム、並びに、それらの記録媒体
JP10372187A JP2000196583A (ja) 1998-12-28 1998-12-28 同報通信システム
JP10/372187 1998-12-28
JP11/29384 1999-02-05
JP11029384A JP2000227879A (ja) 1999-02-05 1999-02-05 チームデータリスト管理装置及びチームデータリスト保管装置及びチームデータリスト処理システム、並びに、それらの記録媒体

Publications (2)

Publication Number Publication Date
WO1999060749A1 WO1999060749A1 (fr) 1999-11-25
WO1999060749A8 true WO1999060749A8 (fr) 2000-04-27

Family

ID=27549456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/002510 WO1999060749A1 (fr) 1998-05-18 1999-05-14 Systeme de partage d'informations

Country Status (2)

Country Link
EP (1) EP1083699A1 (ja)
WO (1) WO1999060749A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2002080447A1 (ja) * 2001-03-29 2004-07-22 ソニー株式会社 情報処理装置
US8468209B2 (en) 2003-09-18 2013-06-18 International Business Machines Corporation Method of rescinding previously transmitted e-mail messages
EP1714459B1 (en) * 2004-02-13 2016-08-03 Nokia Technologies Oy Accessing protected data on network storage from multiple devices
WO2006083141A1 (en) * 2005-02-07 2006-08-10 Samsung Electronics Co., Ltd. Key management method using hierarchical node topology, and method of registering and deregistering user using the same
KR100636228B1 (ko) 2005-02-07 2006-10-19 삼성전자주식회사 계층적인 노드 토폴로지를 이용한 키 관리 방법 및 이를이용한 사용자 등록 및 등록해제 방법
KR100791291B1 (ko) 2006-02-10 2008-01-04 삼성전자주식회사 디바이스에서 drm 컨텐츠를 로밍하여 사용하는 방법 및장치
EP2104269A1 (en) 2008-03-17 2009-09-23 Robert Bosch Gmbh An electronic control unit (ECU) and a method for verifying data integrity
DE202008007826U1 (de) 2008-04-18 2008-08-28 Samedi Gmbh Anordnung zum sicheren Austausch von Daten zwischen Dienstleister und Kunde, insbesondere zur Terminplanung
US20160057466A1 (en) * 2014-08-21 2016-02-25 Real Image Media Technologies Pvt. Ltd. System and Method for Controlling Digital Cinema Content Distribution
CN107819585B (zh) * 2017-11-17 2020-08-25 武汉理工大学 Sm9数字签名协同生成方法及系统
KR102357698B1 (ko) * 2020-02-24 2022-02-14 황순영 부분 해시값을 이용한 개인키 관리 방법
US11595207B2 (en) 2020-12-23 2023-02-28 Dropbox, Inc. Utilizing encryption key exchange and rotation to share passwords via a shared folder
US12062004B2 (en) * 2021-09-27 2024-08-13 7-Eleven, Inc. Autonomous delivery mechanism data integration in an application platform
CN115174152B (zh) * 2022-06-08 2024-06-18 中国科学院信息工程研究所 一种群组测试认证加密方法、验证解密方法及通信方法
CN118590326B (zh) * 2024-08-06 2024-11-12 北京清水爱派建筑设计股份有限公司 一种多平台协同建筑设计过程中数据安全共享方法及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07200617A (ja) * 1994-01-10 1995-08-04 Nippon Telegr & Teleph Corp <Ntt> 共有情報参照権限制御方法
JPH07245605A (ja) * 1994-03-03 1995-09-19 Fujitsu Ltd 暗号化情報中継装置とそれに接続される加入者端末装置ならびに暗号通信方法
JPH09252323A (ja) * 1996-01-11 1997-09-22 Sony Corp 通信システムおよび通信装置
JPH1013403A (ja) * 1996-06-21 1998-01-16 Nec Corp データ管理システム
JP3917686B2 (ja) * 1996-07-24 2007-05-23 富士通株式会社 データベース管理システム

Also Published As

Publication number Publication date
EP1083699A1 (en) 2001-03-14
WO1999060749A1 (fr) 1999-11-25

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