DE69942390D1 - Gültigkeit und gültigkeitskontrolle eines privaten schlüssels - Google Patents

Gültigkeit und gültigkeitskontrolle eines privaten schlüssels

Info

Publication number
DE69942390D1
DE69942390D1 DE69942390T DE69942390T DE69942390D1 DE 69942390 D1 DE69942390 D1 DE 69942390D1 DE 69942390 T DE69942390 T DE 69942390T DE 69942390 T DE69942390 T DE 69942390T DE 69942390 D1 DE69942390 D1 DE 69942390D1
Authority
DE
Germany
Prior art keywords
validity
private key
control
validity control
private
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
DE69942390T
Other languages
English (en)
Inventor
Scott A Vanstone
Donald B Johnson
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.)
Certicom Corp
Original Assignee
Certicom Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22120103&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69942390(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Certicom Corp filed Critical Certicom Corp
Application granted granted Critical
Publication of DE69942390D1 publication Critical patent/DE69942390D1/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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DE69942390T 1998-05-08 1999-05-10 Gültigkeit und gültigkeitskontrolle eines privaten schlüssels Expired - Lifetime DE69942390D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/074,540 US6195433B1 (en) 1998-05-08 1998-05-08 Private key validity and validation
PCT/CA1999/000381 WO1999059286A1 (en) 1998-05-08 1999-05-10 Private key validity and validation

Publications (1)

Publication Number Publication Date
DE69942390D1 true DE69942390D1 (de) 2010-07-01

Family

ID=22120103

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942390T Expired - Lifetime DE69942390D1 (de) 1998-05-08 1999-05-10 Gültigkeit und gültigkeitskontrolle eines privaten schlüssels

Country Status (7)

Country Link
US (1) US6195433B1 (de)
EP (1) EP1076952B1 (de)
JP (1) JP4731686B2 (de)
AU (1) AU3695299A (de)
CA (1) CA2330749C (de)
DE (1) DE69942390D1 (de)
WO (1) WO1999059286A1 (de)

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US6795837B1 (en) 1999-03-31 2004-09-21 Intel Corporation Programmable random bit source
ATE251365T1 (de) * 1999-05-18 2003-10-15 Herrero Angel Jose Ferre Selbstkorrigierendes verschleierungs-und verschlüsselungssystem und verfahren
US6792438B1 (en) 2000-03-31 2004-09-14 Intel Corporation Secure hardware random number generator
US6687721B1 (en) 2000-03-31 2004-02-03 Intel Corporation Random number generator with entropy accumulation
CA2329590C (en) * 2000-12-27 2012-06-26 Certicom Corp. Method of public key generation
US7350083B2 (en) * 2000-12-29 2008-03-25 Intel Corporation Integrated circuit chip having firmware and hardware security primitive device(s)
FR2834155B1 (fr) * 2001-12-21 2005-02-18 Gemplus Card Int Procede de generation de cles electroniques cryptographiques et composant correspondant
US7031469B2 (en) * 2001-12-27 2006-04-18 Slam Dunk Networks, Inc. Optimized enveloping via key reuse
JP2003309544A (ja) * 2002-04-15 2003-10-31 Nec Corp 暗号鍵配送装置
US7418099B2 (en) * 2002-05-03 2008-08-26 Certicom Corp. Method and apparatus for performing elliptic curve arithmetic
US7788479B2 (en) * 2002-07-25 2010-08-31 International Business Machines Corporation Apparatus, system and method of ensuring that only randomly-generated numbers that have passed a test are used for cryptographic purposes
EP1435558A1 (de) * 2003-01-02 2004-07-07 Texas Instruments Incorporated Integrierter Zufallszahlengenerator
US7424115B2 (en) * 2003-01-30 2008-09-09 Nokia Corporation Generating asymmetric keys in a telecommunications system
US20100017627A1 (en) 2003-02-07 2010-01-21 Broadon Communications Corp. Ensuring authenticity in a closed content distribution system
US7779482B1 (en) 2003-02-07 2010-08-17 iGware Inc Delivery of license information using a short messaging system protocol in a closed content distribution system
US8131649B2 (en) * 2003-02-07 2012-03-06 Igware, Inc. Static-or-dynamic and limited-or-unlimited content rights
US7177888B2 (en) * 2003-08-01 2007-02-13 Intel Corporation Programmable random bit source
GB0329039D0 (en) * 2003-12-15 2004-01-14 Ncipher Corp Ltd Cryptographic security module method and apparatus
US20050198221A1 (en) * 2004-01-07 2005-09-08 Microsoft Corporation Configuring an ad hoc wireless network using a portable media device
US7769995B2 (en) * 2004-01-07 2010-08-03 Microsoft Corporation System and method for providing secure network access
US20050198233A1 (en) * 2004-01-07 2005-09-08 Microsoft Corporation Configuring network settings of thin client devices using portable storage media
US7657612B2 (en) * 2004-01-07 2010-02-02 Microsoft Corporation XML schema for network device configuration
US7546357B2 (en) * 2004-01-07 2009-06-09 Microsoft Corporation Configuring network settings using portable storage media
JP4835831B2 (ja) * 2004-01-26 2011-12-14 日本電気株式会社 多数の入力から関数を計算する方法および装置
US7710587B2 (en) * 2004-10-18 2010-05-04 Microsoft Corporation Method and system for configuring an electronic device
US20060156013A1 (en) * 2005-01-07 2006-07-13 Beeson Curtis L Digital signature software using ephemeral private key and system
US20060153370A1 (en) * 2005-01-07 2006-07-13 Beeson Curtis L Generating public-private key pair based on user input data
US7826833B2 (en) * 2005-02-17 2010-11-02 Madhavan P G Channel assay for thin client device wireless provisioning
US7616588B2 (en) * 2005-03-31 2009-11-10 Microsoft Corporation Simplified creation and termination of an ad hoc wireless network with internet connection sharing
EP1770587A1 (de) * 2005-09-29 2007-04-04 Research In Motion Limited Remote-Hash-Generierung in einem System und Verfahren zur Bereitstellung von Codesignierungs-Diensten
DE602005018215D1 (de) * 2005-09-29 2010-01-21 Research In Motion Ltd System und Verfahren zur Registrierung von Dateneinheiten für Codesignierungs-Diensten
US8340289B2 (en) 2005-09-29 2012-12-25 Research In Motion Limited System and method for providing an indication of randomness quality of random number data generated by a random data service
US7797545B2 (en) * 2005-09-29 2010-09-14 Research In Motion Limited System and method for registering entities for code signing services
DE602005011816D1 (de) * 2005-09-29 2009-01-29 Research In Motion Ltd System und Verfahren zur Bereitstellung von Codesignierungs-Diensten
ATE418112T1 (de) * 2005-09-29 2009-01-15 Research In Motion Ltd Kontoverwaltung in einem system und verfahren zur bereitstellung von codesignierungs-diensten
JP2009535735A (ja) 2006-05-02 2009-10-01 ブロードオン コミュニケーションズ コーポレーション コンテンツ・マネージメント・システムおよび方法
US7624276B2 (en) * 2006-10-16 2009-11-24 Broadon Communications Corp. Secure device authentication system and method
US7613915B2 (en) * 2006-11-09 2009-11-03 BroadOn Communications Corp Method for programming on-chip non-volatile memory in a secure processor, and a device so programmed
US8923519B2 (en) * 2009-05-29 2014-12-30 Alcatel Lucent Method of efficient secure function evaluation using resettable tamper-resistant hardware tokens
US8627097B2 (en) 2012-03-27 2014-01-07 Igt System and method enabling parallel processing of hash functions using authentication checkpoint hashes
JP5759932B2 (ja) * 2012-05-24 2015-08-05 株式会社エヌ・ティ・ティ・データ 鍵データ生成装置、鍵データ生成方法、及びプログラム
US9906505B2 (en) * 2015-05-08 2018-02-27 Nxp B.V. RSA decryption using multiplicative secret sharing
US10284378B2 (en) * 2016-10-05 2019-05-07 The Toronto-Dominion Bank Certificate authority master key tracking on distributed ledger
WO2022008553A1 (en) * 2020-07-09 2022-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Processing a series of bits

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JPH0237383A (ja) * 1988-07-27 1990-02-07 Hitachi Ltd 素数生成方式
US5016274A (en) 1988-11-08 1991-05-14 Silvio Micali On-line/off-line digital signing
JPH04191788A (ja) * 1990-11-26 1992-07-10 Matsushita Electric Ind Co Ltd 公開鍵生成方式及び公開鍵生成装置
JP2956709B2 (ja) * 1990-11-26 1999-10-04 松下電器産業 株式会社 公開鍵生成方法及び装置
ATE129368T1 (de) * 1991-04-29 1995-11-15 Omnisec Ag Auf dem unterschied zwischen zwei informationen basierendes verschlüsselungssystem.
US5201000A (en) * 1991-09-27 1993-04-06 International Business Machines Corporation Method for generating public and private key pairs without using a passphrase
JPH05158662A (ja) * 1991-12-03 1993-06-25 Hitachi Ltd 一様乱数発生方法
US5299262A (en) 1992-08-13 1994-03-29 The United States Of America As Represented By The United States Department Of Energy Method for exponentiating in cryptographic systems
US5442707A (en) 1992-09-28 1995-08-15 Matsushita Electric Industrial Co., Ltd. Method for generating and verifying electronic signatures and privacy communication using elliptic curves
JP3240723B2 (ja) * 1993-01-26 2001-12-25 松下電器産業株式会社 通信方法、秘密通信方法及び署名通信方法
US5475763A (en) 1993-07-01 1995-12-12 Digital Equipment Corp., Patent Law Group Method of deriving a per-message signature for a DSS or El Gamal encryption system
US5347581A (en) 1993-09-15 1994-09-13 Gemplus Developpement Verification process for a communication system
FR2713419B1 (fr) 1993-12-02 1996-07-05 Gemplus Card Int Procédé de génération de signatures DSA avec des appareils portables à bas coûts.
JP3625353B2 (ja) * 1997-04-18 2005-03-02 株式会社東芝 外部記憶装置、暗号化ユニット装置、復号化ユニット装置、暗号化システム、復号化システム、暗号化方法及び復号化方法

Also Published As

Publication number Publication date
JP2002515613A (ja) 2002-05-28
CA2330749A1 (en) 1999-11-18
WO1999059286A1 (en) 1999-11-18
EP1076952B1 (de) 2010-05-19
JP4731686B2 (ja) 2011-07-27
EP1076952A1 (de) 2001-02-21
CA2330749C (en) 2009-11-10
US6195433B1 (en) 2001-02-27
AU3695299A (en) 1999-11-29

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Legal Events

Date Code Title Description
8363 Opposition against the patent