DE60001290D1 - Rückgewinnung eines Geheimschlüssels oder einer anderen geheimen Information - Google Patents

Rückgewinnung eines Geheimschlüssels oder einer anderen geheimen Information

Info

Publication number
DE60001290D1
DE60001290D1 DE60001290T DE60001290T DE60001290D1 DE 60001290 D1 DE60001290 D1 DE 60001290D1 DE 60001290 T DE60001290 T DE 60001290T DE 60001290 T DE60001290 T DE 60001290T DE 60001290 D1 DE60001290 D1 DE 60001290D1
Authority
DE
Germany
Prior art keywords
secret
recovery
information
key
secret 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
DE60001290T
Other languages
English (en)
Other versions
DE60001290T2 (de
Inventor
Robin Denis Arthan
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 DE60001290D1 publication Critical patent/DE60001290D1/de
Application granted granted Critical
Publication of DE60001290T2 publication Critical patent/DE60001290T2/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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE60001290T 1999-06-11 2000-05-24 Rückgewinnung eines Geheimschlüssels oder einer anderen geheimen Information Expired - Lifetime DE60001290T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9913492A GB2350981A (en) 1999-06-11 1999-06-11 Cryptographic key recovery

Publications (2)

Publication Number Publication Date
DE60001290D1 true DE60001290D1 (de) 2003-03-06
DE60001290T2 DE60001290T2 (de) 2003-11-20

Family

ID=10855079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60001290T Expired - Lifetime DE60001290T2 (de) 1999-06-11 2000-05-24 Rückgewinnung eines Geheimschlüssels oder einer anderen geheimen Information

Country Status (4)

Country Link
US (1) US6754349B1 (de)
EP (1) EP1059761B1 (de)
DE (1) DE60001290T2 (de)
GB (1) GB2350981A (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350981A (en) * 1999-06-11 2000-12-13 Int Computers Ltd Cryptographic key recovery
DE10025626A1 (de) * 2000-05-24 2001-11-29 Deutsche Telekom Ag Verschlüsseln von abzuspeichernden Daten in einem IV-System
GB2367933B (en) * 2000-10-10 2002-10-23 F Secure Oyj Encryption
US7711122B2 (en) * 2001-03-09 2010-05-04 Arcot Systems, Inc. Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys
US7359518B2 (en) * 2001-04-05 2008-04-15 Intel Corporation Distribution of secured information
JP2003101523A (ja) * 2001-09-21 2003-04-04 Fujitsu Ltd 秘匿機能を有する通信ネットワーク・システムおよび通信方法
FR2841070B1 (fr) * 2002-06-17 2005-02-04 Cryptolog Procede et dispositif d'interface pour echanger de maniere protegee des donnees de contenu en ligne
CN1692321A (zh) * 2002-10-16 2005-11-02 松下电器产业株式会社 口令恢复系统
US7979698B2 (en) * 2003-02-19 2011-07-12 Hewlett-Packard Development Company, L.P. Apparatus and method for proving authenticity with personal characteristics
DE10318121A1 (de) * 2003-04-22 2004-11-11 Robert Bosch Gmbh Vorrichtung zur Programmierung eines Steuergerätes
US20040230817A1 (en) * 2003-05-14 2004-11-18 Kenneth Ma Method and system for disaster recovery of data from a storage device
GB0325252D0 (en) * 2003-10-29 2003-12-03 Becrypt Ltd Password recovery system and method
US9589117B2 (en) 2004-02-17 2017-03-07 Hewlett-Packard Development Company, L.P. Computer security system and method
FI120174B (fi) 2004-03-19 2009-07-15 Nokia Corp Tietojen tallentaminen laitteen yhteydessä
US7437551B2 (en) * 2004-04-02 2008-10-14 Microsoft Corporation Public key infrastructure scalability certificate revocation status validation
US7379551B2 (en) * 2004-04-02 2008-05-27 Microsoft Corporation Method and system for recovering password protected private data via a communication network without exposing the private data
US7437771B2 (en) * 2004-04-19 2008-10-14 Woodcock Washburn Llp Rendering protected digital content within a network of computing devices or the like
US8195959B2 (en) * 2004-11-22 2012-06-05 International Business Machines Corporation Encrypting a credential store with a lockbox
CN100490372C (zh) * 2005-03-15 2009-05-20 联想(北京)有限公司 一种对加密密钥进行备份与恢复的方法
US7684566B2 (en) 2005-05-27 2010-03-23 Microsoft Corporation Encryption scheme for streamed multimedia content protected by rights management system
US8321690B2 (en) 2005-08-11 2012-11-27 Microsoft Corporation Protecting digital media of various content types
US20070079143A1 (en) * 2005-09-29 2007-04-05 Avaya Technology Corp. Secure recoverable passwords
US20080052530A1 (en) * 2006-02-16 2008-02-28 International Business Machines Corporation System and method to provide CPU smoothing of cryptographic function timings
ATE549813T1 (de) * 2006-05-13 2012-03-15 Research In Motion Ltd System und verfahren zum fernbedienten zurücksetzen von kennwort und kryptografischem schlüssel
US8074078B2 (en) 2006-05-15 2011-12-06 Research In Motion Limited System and method for remote reset of password and encryption key
US8290164B2 (en) * 2006-07-31 2012-10-16 Lenovo (Singapore) Pte. Ltd. Automatic recovery of TPM keys
US8464073B2 (en) * 2006-09-13 2013-06-11 Stec, Inc. Method and system for secure data storage
JP4994903B2 (ja) * 2007-03-16 2012-08-08 株式会社リコー 暗号鍵復旧方法、情報処理装置及び暗号鍵復旧プログラム
US8365245B2 (en) * 2008-02-19 2013-01-29 International Business Machines Corporation Previous password based authentication
JP2010109919A (ja) * 2008-10-31 2010-05-13 Toshiba Corp 情報処理装置、暗号／復号システム、および暗号／復号方法
US8607330B2 (en) 2010-09-03 2013-12-10 International Business Machines Corporation Orderly change between new and old passwords
US8885833B2 (en) * 2011-04-11 2014-11-11 Microsoft Corporation One-time recovery credentials for encrypted data access
US9703981B1 (en) * 2013-11-04 2017-07-11 Mobile Iron, Inc. Mobile device data encryption
US20170142082A1 (en) * 2014-03-10 2017-05-18 Sengi Corporation System and method for secure deposit and recovery of secret data
US10181951B2 (en) * 2016-05-13 2019-01-15 Blackberry Limited Protected encryption key recovery

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991407A (en) * 1995-10-17 1999-11-23 Nokia Telecommunications Oy Subscriber authentication in a mobile communications system
US5768373A (en) * 1996-05-06 1998-06-16 Symantec Corporation Method for providing a secure non-reusable one-time password
US6483920B2 (en) * 1996-12-04 2002-11-19 Bull, S.A. Key recovery process used for strong encryption of messages
US6775382B1 (en) * 1997-06-30 2004-08-10 Sun Microsystems, Inc. Method and apparatus for recovering encryption session keys
JP3076273B2 (ja) * 1997-07-07 2000-08-14 日本電気株式会社 鍵回復条件暗号化装置および復号装置
US6185308B1 (en) * 1997-07-07 2001-02-06 Fujitsu Limited Key recovery system
US6160891A (en) * 1997-10-20 2000-12-12 Sun Microsystems, Inc. Methods and apparatus for recovering keys
EP0912011A3 (de) * 1997-10-20 2001-11-28 Sun Microsystems, Inc. Verfahren und Vorrichtung zur Verschlüsselung und zur Rückgewinnung von Schlüseln
US6549626B1 (en) * 1997-10-20 2003-04-15 Sun Microsystems, Inc. Method and apparatus for encoding keys
FI105253B (fi) * 1997-11-11 2000-06-30 Sonera Oyj Siemenluvun generointi
JP2002529008A (ja) * 1998-10-23 2002-09-03 エル３ コミュニケーションズ コーポレイション 異質の暗号資産におけるキイの資料を管理する装置および方法
US6535607B1 (en) * 1998-11-02 2003-03-18 International Business Machines Corporation Method and apparatus for providing interoperability between key recovery and non-key recovery systems
US6396929B1 (en) * 1998-12-31 2002-05-28 International Business Machines Corporation Apparatus, method, and computer program product for high-availability multi-agent cryptographic key recovery
US6687823B1 (en) * 1999-05-05 2004-02-03 Sun Microsystems, Inc. Cryptographic authorization with prioritized and weighted authentication
US6711681B1 (en) * 1999-05-05 2004-03-23 Sun Microsystems, Inc. Cryptographic authorization with prioritized authentication
GB2350981A (en) * 1999-06-11 2000-12-13 Int Computers Ltd Cryptographic key recovery

Also Published As

Publication number Publication date
EP1059761A1 (de) 2000-12-13
EP1059761B1 (de) 2003-01-29
US6754349B1 (en) 2004-06-22
GB9913492D0 (en) 1999-08-11
GB2350981A (en) 2000-12-13
DE60001290T2 (de) 2003-11-20

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Legal Events

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