DE69636815T2 - Verfahren zur sitzungsschlüsselerzeugung mit impliziten unterschriften - Google Patents

Verfahren zur sitzungsschlüsselerzeugung mit impliziten unterschriften Download PDF

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Publication number
DE69636815T2
DE69636815T2 DE69636815T DE69636815T DE69636815T2 DE 69636815 T2 DE69636815 T2 DE 69636815T2 DE 69636815 T DE69636815 T DE 69636815T DE 69636815 T DE69636815 T DE 69636815T DE 69636815 T2 DE69636815 T2 DE 69636815T2
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DE
Germany
Prior art keywords
correspondent
key
integer
function
generator
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
DE69636815T
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German (de)
English (en)
Other versions
DE69636815D1 (de
Inventor
A. Scott Waterloo VANSTONE
John Alfred Auburn MENEZES
Mingua Waterloo 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
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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
Application filed by Certicom Corp filed Critical Certicom Corp
Publication of DE69636815D1 publication Critical patent/DE69636815D1/de
Application granted granted Critical
Publication of DE69636815T2 publication Critical patent/DE69636815T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04L9/0844—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 with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer And Data Communications (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69636815T 1995-04-21 1996-10-18 Verfahren zur sitzungsschlüsselerzeugung mit impliziten unterschriften Expired - Lifetime DE69636815T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42671295A 1995-04-21 1995-04-21
US08/442,833 US5761305A (en) 1995-04-21 1995-05-17 Key agreement and transport protocol with implicit signatures
PCT/US1996/016608 WO1998018234A1 (en) 1995-04-21 1996-10-18 Key agreement and transport protocol with implicit signatures

Publications (2)

Publication Number Publication Date
DE69636815D1 DE69636815D1 (de) 2007-02-15
DE69636815T2 true DE69636815T2 (de) 2007-11-08

Family

ID=27027154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69636815T Expired - Lifetime DE69636815T2 (de) 1995-04-21 1996-10-18 Verfahren zur sitzungsschlüsselerzeugung mit impliziten unterschriften

Country Status (7)

Country Link
US (1) US5761305A (enExample)
EP (1) EP0873617B1 (enExample)
JP (1) JP4384728B2 (enExample)
AU (1) AU1405797A (enExample)
CA (1) CA2237688C (enExample)
DE (1) DE69636815T2 (enExample)
WO (1) WO1998018234A1 (enExample)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785813B1 (en) * 1997-11-07 2004-08-31 Certicom Corp. Key agreement and transport protocol with implicit signatures
US7334127B2 (en) * 1995-04-21 2008-02-19 Certicom Corp. Key agreement and transport protocol
AU5266596A (en) * 1995-04-21 1996-11-07 Certicom Corp. Method for signature and session key generation
US6487661B2 (en) * 1995-04-21 2002-11-26 Certicom Corp. Key agreement and transport protocol
US7243232B2 (en) 1995-04-21 2007-07-10 Certicom Corp. Key agreement and transport protocol
CA2176972C (en) * 1995-05-17 2008-11-25 Scott A. Vanstone Key agreement and transport protocol with implicit signatures
GB9510035D0 (en) 1995-05-18 1995-08-02 Cryptech Systems Inc Strengthened public key protocols
KR0146437B1 (ko) * 1995-05-26 1998-09-15 조백제 인증교환 방법, 복원형 전자서명 방법, 부가형 전자서명 방법, 키교환 방법, 복원형 다중전자서명 방법, 부가형 다중전자서명 방법 및 블라인드 전자서명 방법
US5978482A (en) * 1995-08-21 1999-11-02 International Business Machines Corporation Method and system for protection of digital information
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
US6292896B1 (en) * 1997-01-22 2001-09-18 International Business Machines Corporation Method and apparatus for entity authentication and session key generation
US5915021A (en) * 1997-02-07 1999-06-22 Nokia Mobile Phones Limited Method for secure communications in a telecommunications system
US6539479B1 (en) * 1997-07-15 2003-03-25 The Board Of Trustees Of The Leland Stanford Junior University System and method for securely logging onto a remotely located computer
IL121876A0 (en) * 1997-09-30 1998-02-20 Aliroo Ltd Electronic publishing
US6424712B2 (en) * 1997-10-17 2002-07-23 Certicom Corp. Accelerated signature verification on an elliptic curve
US6246771B1 (en) * 1997-11-26 2001-06-12 V-One Corporation Session key recovery system and method
WO1999048243A1 (en) * 1998-03-18 1999-09-23 Kent Ridge Digital Labs A method of exchanging digital data
US6212279B1 (en) 1998-06-26 2001-04-03 The United States Of America As Represented By The United States National Security Agency Method of elliptic curve cryptographic key exchange using reduced base tau expansion in non-adjacent form
US6243467B1 (en) 1998-07-23 2001-06-05 The United States Of America As Represented By The National Security Agency Method of elliptic curve cryptographic digital signature generation and verification using reduced base tau expansion in non-adjacent form
US6697488B1 (en) * 1998-08-26 2004-02-24 International Business Machines Corporation Practical non-malleable public-key cryptosystem
US7111173B1 (en) 1998-09-01 2006-09-19 Tecsec, Inc. Encryption process including a biometric unit
FI115372B (fi) * 1998-09-18 2005-04-15 Nokia Corp Menetelmä matkaviestimen tunnistamiseksi, viestintäjärjestelmä ja matkaviestin
US7215773B1 (en) * 1998-10-14 2007-05-08 Certicom.Corp. Key validation scheme
US6684330B1 (en) 1998-10-16 2004-01-27 Tecsec, Inc. Cryptographic information and flow control
BR0008595A (pt) * 1999-03-11 2002-01-08 Tecsec Inc Processo de formação de chaves criptográficas e respectivo combinador de desdobramentos
US7095851B1 (en) 1999-03-11 2006-08-22 Tecsec, Inc. Voice and data encryption method using a cryptographic key split combiner
US7707420B1 (en) 1999-06-23 2010-04-27 Research In Motion Limited Public key encryption with digital signature scheme
CA2277633C (en) 1999-07-19 2009-10-20 Certicom Corp. Split-key key-agreement protocol
US6987855B1 (en) * 1999-09-10 2006-01-17 Cisco Technology, Inc. Operational optimization of a shared secret Diffie-Hellman key exchange among broadcast or multicast groups
US7434046B1 (en) 1999-09-10 2008-10-07 Cisco Technology, Inc. Method and apparatus providing secure multicast group communication
US7260716B1 (en) 1999-09-29 2007-08-21 Cisco Technology, Inc. Method for overcoming the single point of failure of the central group controller in a binary tree group key exchange approach
US7181014B1 (en) 1999-09-10 2007-02-20 Cisco Technology, Inc. Processing method for key exchange among broadcast or multicast groups that provides a more efficient substitute for Diffie-Hellman key exchange
US7103185B1 (en) 1999-12-22 2006-09-05 Cisco Technology, Inc. Method and apparatus for distributing and updating private keys of multicast group managers using directory replication
US7013389B1 (en) 1999-09-29 2006-03-14 Cisco Technology, Inc. Method and apparatus for creating a secure communication channel among multiple event service nodes
US6684331B1 (en) 1999-12-22 2004-01-27 Cisco Technology, Inc. Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure
US6708049B1 (en) 1999-09-28 2004-03-16 Nellcor Puritan Bennett Incorporated Sensor with signature of data relating to sensor
US6442696B1 (en) 1999-10-05 2002-08-27 Authoriszor, Inc. System and method for extensible positive client identification
US7089211B1 (en) * 2000-01-12 2006-08-08 Cisco Technology, Inc. Directory enabled secure multicast group communications
US6941457B1 (en) 2000-06-30 2005-09-06 Cisco Technology, Inc. Establishing a new shared secret key over a broadcast channel for a multicast group based on an old shared secret key
US20040199475A1 (en) * 2001-04-27 2004-10-07 Rivest Ronald L. Method and system for micropayment transactions
DE10137152A1 (de) * 2001-07-30 2003-02-27 Scm Microsystems Gmbh Verfahren zur Übertragung vertraulicher Daten
US7334125B1 (en) 2001-11-27 2008-02-19 Cisco Technology, Inc. Facilitating secure communications among multicast nodes in a telecommunications network
US7127063B2 (en) 2001-12-31 2006-10-24 Certicom Corp. Method and apparatus for computing a shared secret key
CA2375898A1 (en) * 2002-03-11 2003-09-11 Karthika Technologies Inc. Authentication protocols for networked storage devices
US7073068B2 (en) * 2002-05-24 2006-07-04 Lucent Technologies Inc. Method and apparatus for distributing shares of a password for use in multi-server password authentication
US7062043B1 (en) 2002-06-28 2006-06-13 The United States Of America As Represented By The National Security Agency Method of elliptic curve digital signature using coefficient splitting
US7024559B1 (en) 2002-06-28 2006-04-04 The United States Of America As Represented By The National Security Agency Method of elliptic curve digital signature using expansion in joint sparse form
BRPI0509538B1 (pt) 2004-04-02 2019-01-15 Blackberry Ltd método, sinal digital, portadora, e primeiro sistema para estabelecer um percurso de comunicação bidirecional
US7646872B2 (en) 2004-04-02 2010-01-12 Research In Motion Limited Systems and methods to securely generate shared keys
US20060004896A1 (en) * 2004-06-16 2006-01-05 International Business Machines Corporation Managing unwanted/unsolicited e-mail protection using sender identity
ES2348240T3 (es) * 2004-10-29 2010-12-01 Thomson Licensing Canal autenticado seguro.
EP1842128B1 (en) 2005-01-18 2011-11-09 Certicom Corp. Accelerated verification of digital signatures and public keys
US8467535B2 (en) * 2005-01-18 2013-06-18 Certicom Corp. Accelerated verification of digital signatures and public keys
US7747865B2 (en) * 2005-02-10 2010-06-29 International Business Machines Corporation Method and structure for challenge-response signatures and high-performance secure Diffie-Hellman protocols
US8443191B2 (en) 2007-04-09 2013-05-14 Objective Interface Systems, Inc. System and method for accessing information resources using cryptographic authorization permits
US8681129B2 (en) * 2007-11-12 2014-03-25 Hewlett-Packard Development Company, L.P. Associating auxiliary data with digital ink
EP2220807B1 (en) * 2007-12-13 2013-02-13 Certicom Corp. Devices and method for controlling features on a device
JP5342649B2 (ja) 2008-11-24 2013-11-13 サーティコム コーポレーション ハードウェアベースセキュリティのためのシステムおよび方法
CN102318260B (zh) * 2008-12-16 2016-04-20 塞尔蒂卡姆公司 密钥协商协议的加速
US8504836B2 (en) * 2008-12-29 2013-08-06 Motorola Mobility Llc Secure and efficient domain key distribution for device registration
US9538355B2 (en) 2008-12-29 2017-01-03 Google Technology Holdings LLC Method of targeted discovery of devices in a network
US9148423B2 (en) 2008-12-29 2015-09-29 Google Technology Holdings LLC Personal identification number (PIN) generation between two devices in a network
CN101499908B (zh) * 2009-03-20 2011-06-22 四川长虹电器股份有限公司 一种身份认证及共享密钥产生方法
US8904172B2 (en) 2009-06-17 2014-12-02 Motorola Mobility Llc Communicating a device descriptor between two devices when registering onto a network
JP5449214B2 (ja) * 2011-01-19 2014-03-19 日本電信電話株式会社 情報共有方法、情報共有システム、情報共有装置、及びプログラム
JP5238045B2 (ja) * 2011-02-02 2013-07-17 トムソン ライセンシング セキュア認証チャネル
CA2780879C (en) 2011-06-21 2019-02-12 Research In Motion Limited Provisioning a shared secret to a portable electronic device and to a service entity
US8745376B2 (en) 2011-10-14 2014-06-03 Certicom Corp. Verifying implicit certificates and digital signatures
US20140215211A1 (en) * 2013-01-25 2014-07-31 Dw Associates, Llc Split data exchange protocol
US10397206B2 (en) * 2016-01-26 2019-08-27 Red Hat, Inc. Symmetric encryption key generation/distribution
EP3748903A1 (en) 2016-02-23 2020-12-09 Nchain Holdings Limited Universal tokenisation system for blockchain-based cryptocurrencies
GB2561729A (en) 2016-02-23 2018-10-24 Nchain Holdings Ltd Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system
WO2017145048A1 (en) * 2016-02-23 2017-08-31 nChain Holdings Limited Cryptographic method and system for secure extraction of data from a blockchain
US12107952B2 (en) 2016-02-23 2024-10-01 Nchain Licensing Ag Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain
SG10202011641RA (en) 2016-02-23 2021-01-28 Nchain Holdings Ltd Tokenisation method and system for implementing exchanges on a blockchain
CN109155036B (zh) 2016-02-23 2023-05-23 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
WO2017145019A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Registry and automated management method for blockchain-enforced smart contracts
MX2018010058A (es) 2016-02-23 2019-01-21 Nchain Holdings Ltd Metodo y sistema para la transferencia eficiente de criptomoneda asociada con un pago de nomina en una cadena de bloques que lleva a un metodo y sistema de pago de nomina automatico con base en contratos inteligentes.
MX2018010045A (es) 2016-02-23 2019-01-21 Nchain Holdings Ltd Intercambio basado en cadena de bloques con tokenizacion.
EA201891823A1 (ru) 2016-02-23 2019-02-28 Нчейн Холдингс Лимитед Полные по тьюрингу транзакции на основе агента, вводящие обратную связь в системе блокчейна
KR102799781B1 (ko) 2016-02-23 2025-04-23 엔체인 홀딩스 리미티드 안전한 정보 교환과 계층 구조적이고 결정론적인 암호키를 위한 공통 비밀 결정
GB2560274C (en) 2016-02-23 2022-06-15 Nchain Holdings Ltd Personal device security using elliptic curve cryptography for secret sharing
KR102753027B1 (ko) 2016-02-23 2025-01-14 엔체인 홀딩스 리미티드 블록체인상의 개체의 안전한 전송을 위한 방법 및 시스템
CA3014737A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Blockchain-implemented method for control and distribution of digital content
SG10202007904SA (en) 2016-02-23 2020-10-29 Nchain Holdings Ltd A method and system for securing computer software using a distributed hash table and a blockchain
EP3590225B1 (en) 2017-03-01 2020-08-12 Apple Inc. System access using a mobile device
WO2018216749A1 (ja) * 2017-05-25 2018-11-29 Ｎｅｃネットワーク・センサ株式会社 暗号通信方法、情報処理装置及びプログラム
US11431477B2 (en) 2018-05-14 2022-08-30 nChain Holdings Limited 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
GB201909960D0 (en) 2019-07-11 2019-08-28 Nchain Holdings Ltd Computer-implemented system and method
CN113242122B (zh) * 2021-04-15 2022-11-25 哈尔滨工业大学 一种基于dh和rsa加密算法的加密方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200770A (en) * 1977-09-06 1980-04-29 Stanford University Cryptographic apparatus and method
US4405829A (en) * 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
DE3915262A1 (de) * 1988-05-18 1989-11-30 Asea Brown Boveri Verfahren zur erzeugung von authentifizierten geheimschluesseln
US4956863A (en) * 1989-04-17 1990-09-11 Trw Inc. Cryptographic method and apparatus for public key exchange with authentication
US5299263A (en) * 1993-03-04 1994-03-29 Bell Communications Research, Inc. Two-way public key authentication and key agreement for low-cost terminals
EP0639907B1 (en) * 1993-08-17 1999-12-08 R3 Security Engineering AG Digital signature method and key agreement method

Also Published As

Publication number Publication date
AU1405797A (en) 1998-05-15
EP0873617B1 (en) 2007-01-03
US5761305A (en) 1998-06-02
EP0873617A1 (en) 1998-10-28
WO1998018234A1 (en) 1998-04-30
JP2000502553A (ja) 2000-02-29
DE69636815D1 (de) 2007-02-15
JP4384728B2 (ja) 2009-12-16
CA2237688C (en) 2007-07-24
CA2237688A1 (en) 1998-04-30

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