DE60215332D1 - System und Verfahren zum Verabreiten eines gemeinsamen Geheimnisses - Google Patents

System und Verfahren zum Verabreiten eines gemeinsamen Geheimnisses

Info

Publication number
DE60215332D1
DE60215332D1 DE60215332T DE60215332T DE60215332D1 DE 60215332 D1 DE60215332 D1 DE 60215332D1 DE 60215332 T DE60215332 T DE 60215332T DE 60215332 T DE60215332 T DE 60215332T DE 60215332 D1 DE60215332 D1 DE 60215332D1
Authority
DE
Germany
Prior art keywords
shares
secret
determining
sharing
reliably
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
DE60215332T
Other languages
English (en)
Other versions
DE60215332T2 (de
Inventor
William Whyte
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.)
Cybertrust Ireland Ltd
Original Assignee
Betrusted Ireland 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 Betrusted Ireland Ltd filed Critical Betrusted Ireland Ltd
Publication of DE60215332D1 publication Critical patent/DE60215332D1/de
Application granted granted Critical
Publication of DE60215332T2 publication Critical patent/DE60215332T2/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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Hardware Redundancy (AREA)
  • Communication Control (AREA)
DE60215332T 2001-04-27 2002-04-18 System und Verfahren zum Verabreiten eines gemeinsamen Geheimnisses Expired - Lifetime DE60215332T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE20010423 2001-04-27
IE20010423 2001-04-27
PCT/IE2002/000050 WO2002088912A2 (en) 2001-04-27 2002-04-18 System and method for processing a shared secret

Publications (2)

Publication Number Publication Date
DE60215332D1 true DE60215332D1 (de) 2006-11-23
DE60215332T2 DE60215332T2 (de) 2007-05-24

Family

ID=11042774

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60215332T Expired - Lifetime DE60215332T2 (de) 2001-04-27 2002-04-18 System und Verfahren zum Verabreiten eines gemeinsamen Geheimnisses

Country Status (10)

Country Link
US (1) US8718283B2 (de)
EP (1) EP1386215B1 (de)
AT (1) ATE342540T1 (de)
AU (1) AU2002307851A1 (de)
CY (1) CY1107529T1 (de)
DE (1) DE60215332T2 (de)
DK (1) DK1386215T3 (de)
ES (1) ES2278047T3 (de)
PT (1) PT1386215E (de)
WO (1) WO2002088912A2 (de)

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US7327847B2 (en) * 2003-01-29 2008-02-05 International Business Machines Corporation Method for distributed computation of RSA inverses in asynchronous networks
EP1839405B1 (de) * 2005-10-27 2013-04-24 NDS Limited Sicherheitssystem für ein netzwerk
US7835978B2 (en) * 2005-12-23 2010-11-16 International Business Machines Corporation Method and system for linking an anonymous electronic trade order to an identity of a trader
JP5468898B2 (ja) * 2006-06-30 2014-04-09 コーニンクレッカ フィリップス エヌ ヴェ データを暗号化／復号する方法及び装置
JP4302150B2 (ja) * 2007-03-23 2009-07-22 株式会社東芝 データ処理装置及びプログラム
GB2451505A (en) * 2007-08-01 2009-02-04 Iti Scotland Ltd Key distribution in a network using key shares in a secret sharing scheme
GB0805830D0 (en) * 2008-03-31 2008-04-30 British Telecomm Keys for protecting user access to media
US8862889B2 (en) * 2011-07-02 2014-10-14 Eastcliff LLC Protocol for controlling access to encryption keys
US10742634B1 (en) * 2011-12-27 2020-08-11 Majid Shahbazi Methods for single sign-on (SSO) using optical codes
US9292671B1 (en) * 2012-08-31 2016-03-22 Emc Corporation Multi-server authentication using personalized proactivization
US9230075B1 (en) * 2012-08-31 2016-01-05 Emc Corporation Multi-server authentication using proactivization journaling
US10623386B1 (en) * 2012-09-26 2020-04-14 Pure Storage, Inc. Secret sharing data protection in a storage system
US8745415B2 (en) * 2012-09-26 2014-06-03 Pure Storage, Inc. Multi-drive cooperation to generate an encryption key
US11032259B1 (en) * 2012-09-26 2021-06-08 Pure Storage, Inc. Data protection in a storage system
US9654286B2 (en) * 2013-10-04 2017-05-16 Microsoft Technology Licensing, Llc Content gathering using shared key
US9514326B1 (en) 2013-10-15 2016-12-06 Sandia Corporation Serial interpolation for secure membership testing and matching in a secret-split archive
US11128448B1 (en) 2013-11-06 2021-09-21 Pure Storage, Inc. Quorum-aware secret sharing
US10263770B2 (en) 2013-11-06 2019-04-16 Pure Storage, Inc. Data protection in a storage system using external secrets
US9516016B2 (en) 2013-11-11 2016-12-06 Pure Storage, Inc. Storage array password management
US10623468B1 (en) 2014-05-30 2020-04-14 Mbr Innovations Llc Systems and methods for simultaneous electronic file exchange
US10536269B2 (en) 2015-02-25 2020-01-14 Secret Double Octopus Ltd Method and system for authentication and preserving the integrity of communication, secured by secret sharing
US9648012B1 (en) * 2015-06-26 2017-05-09 EMC IP Holding Company LLC Automatic propagation of password updates on multiple devices
US11057210B1 (en) * 2015-09-30 2021-07-06 Apple Inc. Distribution and recovery of a user secret
US10084596B1 (en) * 2015-12-08 2018-09-25 EMC IP Holding Company LLC Proactivized threshold password-based secret sharing with flexible key rotation
US10476672B2 (en) * 2016-03-14 2019-11-12 Callware Technologies, Inc Fragmented encryption of a secret
US11068982B2 (en) * 2017-03-21 2021-07-20 Tora Holdings, Inc. Systems and methods to securely match orders by distributing data and processing across multiple segregated computation nodes
CN109726563B (zh) * 2017-10-31 2020-11-03 创新先进技术有限公司 一种数据统计的方法、装置以及设备
US10826694B2 (en) * 2018-04-23 2020-11-03 International Business Machines Corporation Method for leakage-resilient distributed function evaluation with CPU-enclaves
WO2019236177A1 (en) * 2018-06-05 2019-12-12 Hrl Laboratories, Llc System and asynchronous protocol for verifiable secret sharing
US11444779B2 (en) * 2018-08-02 2022-09-13 Paypal, Inc. Techniques for securing application programming interface requests using multi-party digital signatures

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US5485474A (en) 1988-02-25 1996-01-16 The President And Fellows Of Harvard College Scheme for information dispersal and reconstruction
US5315658B1 (en) 1992-04-20 1995-09-12 Silvio Micali Fair cryptosystems and methods of use
USRE36918E (en) 1992-04-20 2000-10-17 Certco Llc Fair cryptosystems and methods of use
US5825880A (en) 1994-01-13 1998-10-20 Sudia; Frank W. Multi-step digital signature method and system
ATE295644T1 (de) 1994-07-29 2005-05-15 Canon Kk Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens
US5495532A (en) 1994-08-19 1996-02-27 Nec Research Institute, Inc. Secure electronic voting using partially compatible homomorphisms
US5625692A (en) * 1995-01-23 1997-04-29 International Business Machines Corporation Method and system for a public key cryptosystem having proactive, robust, and recoverable distributed threshold secret sharing
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US6134326A (en) 1996-11-18 2000-10-17 Bankers Trust Corporation Simultaneous electronic transactions
US6137884A (en) 1995-03-21 2000-10-24 Bankers Trust Corporation Simultaneous electronic transactions with visible trusted parties
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US5768388A (en) 1996-03-01 1998-06-16 Goldwasser; Shafi Time delayed key escrow
US5666414A (en) 1996-03-21 1997-09-09 Micali; Silvio Guaranteed partial key-escrow
EP0917781A4 (de) 1996-08-07 2003-08-13 Silvio Micali Gleichzeitige elektronische transaktionen mit sichtbaren treuhandvermittlern
US5764767A (en) 1996-08-21 1998-06-09 Technion Research And Development Foundation Ltd. System for reconstruction of a secret shared by a plurality of participants
US6035041A (en) * 1997-04-28 2000-03-07 Certco, Inc. Optimal-resilience, proactive, public-key cryptographic system and method
US6122742A (en) 1997-06-18 2000-09-19 Young; Adam Lucas Auto-recoverable and auto-certifiable cryptosystem with unescrowed signing keys
US5991414A (en) 1997-09-12 1999-11-23 International Business Machines Corporation Method and apparatus for the secure distributed storage and retrieval of information
EP0936776B1 (de) * 1998-02-13 2004-05-19 Hitachi, Ltd. Netzwerksystem unter Verwendung eines Verfahrens zur Rückgewinnung eines verteilten Geheimnisses mit Schwellwert
US6055508A (en) 1998-06-05 2000-04-25 Yeda Research And Development Co. Ltd. Method for secure accounting and auditing on a communications network
JP4071870B2 (ja) * 1998-08-20 2008-04-02 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 秘密鍵生成方法
US6587946B1 (en) * 1998-12-29 2003-07-01 Lucent Technologies Inc. Method and system for quorum controlled asymmetric proxy encryption
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Also Published As

Publication number Publication date
ES2278047T3 (es) 2007-08-01
WO2002088912A2 (en) 2002-11-07
PT1386215E (pt) 2007-01-31
CY1107529T1 (el) 2013-03-13
AU2002307851A1 (en) 2002-11-11
ATE342540T1 (de) 2006-11-15
DE60215332T2 (de) 2007-05-24
EP1386215A2 (de) 2004-02-04
US8718283B2 (en) 2014-05-06
EP1386215B1 (de) 2006-10-11
WO2002088912A3 (en) 2003-11-06
US20040117649A1 (en) 2004-06-17
DK1386215T3 (da) 2007-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CYBERTRUST IRELAND LTD., DUBLIN, IE