DE69637714D1 - - Google Patents

Info

Publication number
DE69637714D1
DE69637714D1 DE69637714T DE69637714T DE69637714D1 DE 69637714 D1 DE69637714 D1 DE 69637714D1 DE 69637714 T DE69637714 T DE 69637714T DE 69637714 T DE69637714 T DE 69637714T DE 69637714 D1 DE69637714 D1 DE 69637714D1
Authority
DE
Germany
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
DE69637714T
Other languages
German (de)
Inventor
Scott Alexander Vanstone
Alfred John Menezes
Minghua Qu
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=10774642&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69637714(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 DE69637714D1 publication Critical patent/DE69637714D1/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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724—Finite field arithmetic
    • G06F7/725—Finite field arithmetic over elliptic curves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69637714T 1995-05-18 1996-05-17 Expired - Lifetime DE69637714D1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9510035.0A GB9510035D0 (en) 1995-05-18 1995-05-18 Strengthened public key protocols

Publications (1)

Publication Number Publication Date
DE69637714D1 true DE69637714D1 (OSRAM) 2008-11-27

Family

ID=10774642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637714T Expired - Lifetime DE69637714D1 (OSRAM) 1995-05-18 1996-05-17

Country Status (5)

Country Link
US (2) US5933504A (OSRAM)
EP (3) EP2031794B1 (OSRAM)
CA (1) CA2176866C (OSRAM)
DE (1) DE69637714D1 (OSRAM)
GB (1) GB9510035D0 (OSRAM)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226383B1 (en) 1996-04-17 2001-05-01 Integrity Sciences, Inc. Cryptographic methods for remote authentication
US7567669B2 (en) 1996-05-17 2009-07-28 Certicom Corp. Strengthened public key protocol
US5796830A (en) * 1996-07-29 1998-08-18 International Business Machines Corporation Interoperable cryptographic key recovery system
EP0963635B1 (en) * 1997-02-14 2003-07-30 Citibank, N.A. Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields
CA2305896C (en) * 1997-10-14 2010-12-14 Certicom Corp. Key validation scheme
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
US7215773B1 (en) * 1998-10-14 2007-05-08 Certicom.Corp. Key validation scheme
US6711680B1 (en) 1999-12-09 2004-03-23 Pitney Bowes Inc. Method of limiting key usage in a postage metering system that produces cryptographically secured indicium
US7240204B1 (en) * 2000-03-31 2007-07-03 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Scalable and unified multiplication methods and apparatus
US7516325B2 (en) 2001-04-06 2009-04-07 Certicom Corp. Device authentication in a PKI
AU2002340566A1 (en) 2001-10-17 2003-04-28 Infineon Technologies Ag Method and device for guaranteeing a calculation in a cryptographic algorithm
WO2003034268A2 (de) 2001-10-17 2003-04-24 Infineon Technologies Ag Verfahren und vorrichtung zum absichern einer exponentiations-berechnung mittels dem chinesischen restsatz (crt)
DE10162584A1 (de) * 2001-10-17 2003-05-08 Infineon Technologies Ag Verfahren und Vorrichtung zum Absichern einer Exponentiations-Berechnung mittels dem chinesischen Restsatz (CRT)
ATE352830T1 (de) * 2002-10-26 2007-02-15 Additional Director Ipr Defenc Verfahren zur elliptische-kurven-verschlüsselung
US7457010B2 (en) * 2003-05-29 2008-11-25 Hewlett-Packard Development Company, L.P. System and method for fast scanning
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
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
US20050149732A1 (en) 2004-01-07 2005-07-07 Microsoft Corporation Use of static Diffie-Hellman key with IPSec for authentication
US7710587B2 (en) * 2004-10-18 2010-05-04 Microsoft Corporation Method and system for configuring an electronic device
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
US8682795B2 (en) * 2005-09-16 2014-03-25 Oracle International Corporation Trusted information exchange based on trust agreements
KR20080091160A (ko) * 2006-01-30 2008-10-09 코닌클리케 필립스 일렉트로닉스 엔.브이. 데이터 신호에서 워터마크의 검색
US9137015B2 (en) * 2008-01-04 2015-09-15 Arcsoft, Inc. Protection scheme for AACS keys
GB0803320D0 (en) 2008-02-22 2008-04-02 Cambridge Silicon Radio Ltd Protecting against security attack
US20100125741A1 (en) * 2008-11-20 2010-05-20 Seagate Technology Llc Optical disc emulator
EP2591436A4 (en) 2010-07-08 2014-11-05 Certicom Corp SYSTEM AND METHOD FOR CARRYING OUT DEVICE AUTHENTICATION BY KEYING AUTHORIZATION
US8842833B2 (en) 2010-07-09 2014-09-23 Tata Consultancy Services Limited System and method for secure transaction of data between wireless communication device and server
GB2491896A (en) 2011-06-17 2012-12-19 Univ Bruxelles Secret key generation
BR112018016821A2 (pt) 2016-02-23 2018-12-26 Nchain Holdings Ltd sistema e métodos implementados por computador
JP2019513312A (ja) 2016-02-23 2019-05-23 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ ブロックチェーン上の交換を実施するためのトークン化方法及びシステム
CN116934328A (zh) 2016-02-23 2023-10-24 区块链控股有限公司 用于经由区块链控制资产有关的动作的系统及方法
CN114282926A (zh) 2016-02-23 2022-04-05 区块链控股有限公司 用于从区块链中安全提取数据的密码方法和系统
JP6925346B2 (ja) 2016-02-23 2021-08-25 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ ブロックチェーンベースのトークナイゼーションを用いた交換
EP3420514B1 (en) 2016-02-23 2024-03-13 nChain Licensing AG A method and system for securing computer software using a distributed hash table and a blockchain
WO2017145020A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain
EP3862956B1 (en) 2016-02-23 2024-01-03 nChain Licensing AG Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system
WO2017145018A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited A method and system for the secure transfer of entities on a blockchain
CN109074563B (zh) 2016-02-23 2022-04-19 区块链控股有限公司 区块链系统内的基于代理的图灵完备交易集成反馈
CA3227439A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Registry and automated management method for blockchain-enforced smart contracts
JP7249148B2 (ja) 2016-02-23 2023-03-30 エヌチェーン ライセンシング アーゲー ブロックチェーンベースユニバーサルトークン化システム
PL3268914T3 (pl) 2016-02-23 2018-12-31 nChain Holdings Limited Określanie wspólnego sekretu dla bezpiecznej wymiany informacji i hierarchicznych, deterministycznych kluczy kryptograficznych
AU2017223138B2 (en) 2016-02-23 2022-02-10 nChain Holdings Limited Method and system for efficient transfer of cryptocurrency associated with a payroll on a blockchain that leads to an automated payroll method and system based on smart contracts
EA201891822A1 (ru) 2016-02-23 2019-02-28 Нчейн Холдингс Лимитед Безопасность персональных устройств с использованием криптографии на основе эллиптических кривых для разделения секрета
US10355859B2 (en) * 2017-03-27 2019-07-16 Certicom Corp. Method and system for selecting a secure prime for finite field diffie-hellman
SG11202010346TA (en) 2018-05-14 2020-11-27 Nchain Holdings Ltd Computer-implemented systems and methods for using a blockchain to perform an atomic swap
GB201815396D0 (en) 2018-09-21 2018-11-07 Nchain Holdings Ltd Computer implemented system and method
US11151255B2 (en) 2018-10-26 2021-10-19 Dell Products L.P. Method to securely allow a customer to install and boot their own firmware, without compromising secure boot
US11005655B2 (en) 2018-10-31 2021-05-11 Dell Products L.P. System and method of providing information to a device
GB201909960D0 (en) 2019-07-11 2019-08-28 Nchain Holdings Ltd Computer-implemented system and method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405829A (en) * 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4351982A (en) * 1980-12-15 1982-09-28 Racal-Milgo, Inc. RSA Public-key data encryption system having large random prime number generating microprocessor or the like
US4633036A (en) * 1984-05-31 1986-12-30 Martin E. Hellman Method and apparatus for use in public-key data encryption system
EP0383985A1 (de) * 1989-02-24 1990-08-29 Claus Peter Prof. Dr. Schnorr Verfahren zur Identifikation von Teilnehmern sowie zur Generierung und Verifikation von elektronischen Unterschriften in einem Datenaustauschsystem
US4956863A (en) * 1989-04-17 1990-09-11 Trw Inc. Cryptographic method and apparatus for public key exchange with authentication
EP0482233B1 (en) * 1990-10-24 1995-03-08 Omnisec Ag Cryptographic system allowing encrypted communication between users with a secure mutual cipher key determined without user interaction
US5272755A (en) * 1991-06-28 1993-12-21 Matsushita Electric Industrial Co., Ltd. Public key cryptosystem with an elliptic curve
US5271061A (en) * 1991-09-17 1993-12-14 Next Computer, Inc. Method and apparatus for public key exchange in a cryptographic system
US5159632A (en) * 1991-09-17 1992-10-27 Next Computer, Inc. Method and apparatus for public key exchange in a cryptographic system
US5241599A (en) * 1991-10-02 1993-08-31 At&T Bell Laboratories Cryptographic protocol for secure communications
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
US5299263A (en) * 1993-03-04 1994-03-29 Bell Communications Research, Inc. Two-way public key authentication and key agreement for low-cost terminals
US5497423A (en) * 1993-06-18 1996-03-05 Matsushita Electric Industrial Co., Ltd. Method of implementing elliptic curve cryptosystems in digital signatures or verification and privacy communication
ATE187588T1 (de) * 1993-08-17 1999-12-15 R3 Security Engineering Ag Verfahren zur digitalen unterschrift und verfahren zur schlüsselübereinkunft
US5724425A (en) * 1994-06-10 1998-03-03 Sun Microsystems, Inc. Method and apparatus for enhancing software security and distributing software
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
US5761305A (en) * 1995-04-21 1998-06-02 Certicom Corporation Key agreement and transport protocol with implicit signatures
US5768388A (en) * 1996-03-01 1998-06-16 Goldwasser; Shafi Time delayed key escrow
US5987131A (en) * 1997-08-18 1999-11-16 Picturetel Corporation Cryptographic key exchange using pre-computation

Also Published As

Publication number Publication date
EP0743774A2 (en) 1996-11-20
US5933504A (en) 1999-08-03
US6563928B1 (en) 2003-05-13
EP2285039A1 (en) 2011-02-16
EP0743774A3 (en) 1999-10-06
CA2176866C (en) 2013-02-12
EP2031794A3 (en) 2010-06-30
EP0743774B2 (en) 2018-09-05
EP2031794A2 (en) 2009-03-04
GB9510035D0 (en) 1995-08-02
CA2176866A1 (en) 1996-11-19
EP2031794B1 (en) 2019-01-23
EP0743774B1 (en) 2008-10-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Representative=s name: MERH-IP MATIAS ERNY REICHL HOFFMANN, 80336 MUENCHE