DE60008680D1 - Verwaltung eines kryptographischen Schlüssels - Google Patents

Verwaltung eines kryptographischen Schlüssels

Info

Publication number
DE60008680D1
DE60008680D1 DE60008680T DE60008680T DE60008680D1 DE 60008680 D1 DE60008680 D1 DE 60008680D1 DE 60008680 T DE60008680 T DE 60008680T DE 60008680 T DE60008680 T DE 60008680T DE 60008680 D1 DE60008680 D1 DE 60008680D1
Authority
DE
Germany
Prior art keywords
management
cryptographic key
cryptographic
key
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
DE60008680T
Other languages
English (en)
Other versions
DE60008680T2 (de
Inventor
Robin Denis Arthan
Alexander James Robinson
Thomas Anthony Parker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of DE60008680D1 publication Critical patent/DE60008680D1/de
Application granted granted Critical
Publication of DE60008680T2 publication Critical patent/DE60008680T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE60008680T 1999-12-17 2000-10-18 Verwaltung eines kryptographischen Schlüssels Expired - Lifetime DE60008680T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9929748A GB2357407A (en) 1999-12-17 1999-12-17 Cryptographic key replacement using key lifetimes
GB9929748 1999-12-17

Publications (2)

Publication Number Publication Date
DE60008680D1 true DE60008680D1 (de) 2004-04-08
DE60008680T2 DE60008680T2 (de) 2005-02-10

Family

ID=10866441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60008680T Expired - Lifetime DE60008680T2 (de) 1999-12-17 2000-10-18 Verwaltung eines kryptographischen Schlüssels

Country Status (4)

Country Link
US (1) US6782103B1 (de)
EP (1) EP1109351B1 (de)
DE (1) DE60008680T2 (de)
GB (1) GB2357407A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7181762B2 (en) * 2001-01-17 2007-02-20 Arcot Systems, Inc. Apparatus for pre-authentication of users using one-time passwords
JP4169942B2 (ja) * 2001-02-27 2008-10-22 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 コンテンツ利用方法、コンテンツ配信方法、コンテンツ配信システムおよびプログラム
US7421083B2 (en) * 2001-04-05 2008-09-02 General Instrument Corporation System for seamlessly updating service keys with automatic recovery
GB2379361B (en) * 2001-09-01 2003-11-05 Motorola Inc Radio transceiver unit and a system for control and application of communications
GB0127400D0 (en) * 2001-11-13 2002-01-09 Pace Micro Tech Plc Improvements to digital apparatus networks
JP3897613B2 (ja) * 2002-02-27 2007-03-28 株式会社日立製作所 公開鍵暗号方式における登録局サーバの運用方法、登録局サーバ、及びプログラム
US7961884B2 (en) 2002-08-13 2011-06-14 Ipass Inc. Method and system for changing security information in a computer network
WO2003088558A1 (en) * 2002-04-05 2003-10-23 Ipass, Inc. Method and system for changing security information in a computer network
DE60329530D1 (de) * 2003-01-07 2009-11-12 Qualcomm Inc System, vorrichtung und verfahren zum auswechseln eines kryptographischen schlüssels
JP4717329B2 (ja) * 2003-03-14 2011-07-06 キヤノン株式会社 デジタル署名生成装置
US8261062B2 (en) 2003-03-27 2012-09-04 Microsoft Corporation Non-cryptographic addressing
US7929689B2 (en) 2004-06-30 2011-04-19 Microsoft Corporation Call signs
US8295492B2 (en) * 2005-06-27 2012-10-23 Wells Fargo Bank, N.A. Automated key management system
US20070124584A1 (en) * 2005-11-30 2007-05-31 Microsoft Corporation Proving ownership of shared information to a third party
US8086842B2 (en) * 2006-04-21 2011-12-27 Microsoft Corporation Peer-to-peer contact exchange
US8588420B2 (en) * 2007-01-18 2013-11-19 Panasonic Corporation Systems and methods for determining a time delay for sending a key update request
US8681990B2 (en) * 2008-03-28 2014-03-25 International Business Machines Corporation Renewal management for data items
CN101667999B (zh) * 2008-09-04 2012-09-05 华为技术有限公司 点对点直播流传递的方法、系统、数据签名装置及客户端
US8873760B2 (en) * 2010-12-21 2014-10-28 Motorola Mobility Llc Service key delivery system
US20120198234A1 (en) * 2011-01-31 2012-08-02 Intuit Inc. Method and apparatus for ensuring the integrity of a downloaded data set
US8948399B2 (en) * 2011-05-27 2015-02-03 Novell, Inc. Dynamic key management
JP2014197726A (ja) * 2013-03-29 2014-10-16 株式会社東芝 計測装置、情報処理装置、鍵管理装置および使用量計算システム
TWI581599B (zh) * 2015-04-30 2017-05-01 鴻海精密工業股份有限公司 金鑰生成系統、資料簽章與加密系統和方法
US10277567B2 (en) 2016-06-06 2019-04-30 Motorola Solutions, Inc. Method and server for issuing cryptographic keys to communication devices
US10341107B2 (en) * 2016-06-06 2019-07-02 Motorola Solutions, Inc. Method, server, and communication device for updating identity-based cryptographic private keys of compromised communication devices
US10333935B2 (en) 2016-06-06 2019-06-25 Motorola Solutions, Inc. Method and management server for revoking group server identifiers of compromised group servers
US10437968B2 (en) * 2016-11-28 2019-10-08 Opentv, Inc. Secure DRM-agnostic key rotation
US11941159B2 (en) 2021-06-08 2024-03-26 Hewlett-Packard Develoment Company, L.P. Configuration data deletion based on tamper status

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972472A (en) * 1985-03-15 1990-11-20 Tandem Computers Incorporated Method and apparatus for changing the master key in a cryptographic system
US5404403A (en) * 1990-09-17 1995-04-04 Motorola, Inc. Key management in encryption systems
CN1192834A (zh) * 1995-06-05 1998-09-09 塞特科有限公司 多步数字签名方法和系统
US5761306A (en) * 1996-02-22 1998-06-02 Visa International Service Association Key replacement in a public key cryptosystem
JPH11227267A (ja) * 1998-02-16 1999-08-24 Canon Inc 画像形成装置及びその制御方法
US6816968B1 (en) * 1998-07-10 2004-11-09 Silverbrook Research Pty Ltd Consumable authentication protocol and system
US6178506B1 (en) 1998-10-23 2001-01-23 Qualcomm Inc. Wireless subscription portability
CA2347211A1 (en) * 1998-10-23 2000-05-04 L-3 Communications Corporation Apparatus and methods for managing key material in heterogeneous cryptographic assets
FR2787264B1 (fr) * 1998-12-15 2001-11-02 Bull Sa Procede de creation et gestion d'au moins une cle cryptographique et systeme pour sa mise en oeuvre
US6745330B1 (en) * 1999-06-22 2004-06-01 Hewlett-Packard Company, L.P. Computer system having peripheral device look

Also Published As

Publication number Publication date
GB9929748D0 (en) 2000-02-09
GB2357407A (en) 2001-06-20
EP1109351A2 (de) 2001-06-20
EP1109351B1 (de) 2004-03-03
DE60008680T2 (de) 2005-02-10
EP1109351A3 (de) 2002-06-19
US6782103B1 (en) 2004-08-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition