DE69633590D1 - Verfahren zur Unterschrift und zur Sitzungsschlüsselerzeugung - Google Patents
Verfahren zur Unterschrift und zur SitzungsschlüsselerzeugungInfo
- Publication number
- DE69633590D1 DE69633590D1 DE1996633590 DE69633590T DE69633590D1 DE 69633590 D1 DE69633590 D1 DE 69633590D1 DE 1996633590 DE1996633590 DE 1996633590 DE 69633590 T DE69633590 T DE 69633590T DE 69633590 D1 DE69633590 D1 DE 69633590D1
- Authority
- DE
- Germany
- Prior art keywords
- signature
- session key
- key generation
- generation procedures
- procedures
- 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
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
- 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; CALCULATING OR 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)
- Data Exchanges In Wide-Area Networks (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42671295A | 1995-04-21 | 1995-04-21 | |
US426712 | 1995-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69633590D1 true DE69633590D1 (de) | 2004-11-18 |
DE69633590T2 DE69633590T2 (de) | 2006-02-02 |
Family
ID=23691906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69633590T Expired - Lifetime DE69633590T2 (de) | 1995-04-21 | 1996-04-16 | Verfahren zur Unterschrift und zur Sitzungsschlüsselerzeugung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6122736A (de) |
EP (2) | EP0739105B1 (de) |
AU (1) | AU5266596A (de) |
CA (2) | CA2579259C (de) |
DE (1) | DE69633590T2 (de) |
WO (1) | WO1996033565A1 (de) |
Families Citing this family (49)
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 |
US7243232B2 (en) | 1995-04-21 | 2007-07-10 | Certicom Corp. | Key agreement and transport protocol |
US6487661B2 (en) | 1995-04-21 | 2002-11-26 | Certicom Corp. | Key agreement and transport protocol |
EP2315390B1 (de) * | 1996-10-18 | 2014-09-17 | Certicom Corp. | Schlüsselvereinbarungs- und Transportprotokoll mit impliziten Signaturen |
FI974341A (fi) | 1997-11-26 | 1999-05-27 | Nokia Telecommunications Oy | Datayhteyksien tietosuoja |
DE19811833A1 (de) | 1998-03-18 | 1999-09-30 | Siemens Ag | Schlüsselaustauschprotokoll |
SE9900472L (sv) * | 1999-02-12 | 2000-08-13 | Ericsson Telefon Ab L M | Förfarande och arrangemang för att möjliggöra krypterad kommunikation |
US7499551B1 (en) * | 1999-05-14 | 2009-03-03 | Dell Products L.P. | Public key infrastructure utilizing master key encryption |
US7707420B1 (en) * | 1999-06-23 | 2010-04-27 | Research In Motion Limited | Public key encryption with digital signature scheme |
TW548940B (en) * | 1999-11-29 | 2003-08-21 | Gen Instrument Corp | Generation of a mathematically constrained key using a one-way function |
US20020078352A1 (en) * | 2000-12-15 | 2002-06-20 | International Business Machines Corporation | Secure communication by modification of security codes |
GB2379588A (en) * | 2001-09-11 | 2003-03-12 | Motorola Inc | Encrypting/decrypting information in a wireless communication system |
US7215780B2 (en) * | 2001-12-31 | 2007-05-08 | Certicom Corp. | Method and apparatus for elliptic curve scalar multiplication |
US7127063B2 (en) * | 2001-12-31 | 2006-10-24 | Certicom Corp. | Method and apparatus for computing a shared secret key |
US7505585B2 (en) * | 2002-06-25 | 2009-03-17 | The United States Of America As Represented By The Director, The National Security Agency | Method of generating cryptographic key using elliptic curve and expansion in joint sparse form and using same |
KR100571820B1 (ko) | 2003-10-20 | 2006-04-17 | 삼성전자주식회사 | 신원 정보를 기반으로 하는 암호 시스템에서의 컨퍼런스세션 키 분배 방법 |
US8467535B2 (en) * | 2005-01-18 | 2013-06-18 | Certicom Corp. | Accelerated verification of digital signatures and public keys |
CA2935823C (en) | 2005-01-18 | 2019-01-15 | Certicom Corp. | Accelerated verification of digital signatures and public keys |
US8316416B2 (en) | 2005-04-04 | 2012-11-20 | Research In Motion Limited | Securely using a display to exchange information |
US7627760B2 (en) * | 2005-07-21 | 2009-12-01 | Microsoft Corporation | Extended authenticated key exchange |
US7694141B2 (en) * | 2005-07-26 | 2010-04-06 | Microsoft Corporation | Extended authenticated key exchange with key confirmation |
US7908482B2 (en) * | 2005-08-18 | 2011-03-15 | Microsoft Corporation | Key confirmed authenticated key exchange with derived ephemeral keys |
US8190895B2 (en) * | 2005-08-18 | 2012-05-29 | Microsoft Corporation | Authenticated key exchange with derived ephemeral keys |
US8005223B2 (en) | 2006-05-12 | 2011-08-23 | Research In Motion Limited | System and method for exchanging encryption keys between a mobile device and a peripheral device |
US8670566B2 (en) * | 2006-05-12 | 2014-03-11 | Blackberry Limited | System and method for exchanging encryption keys between a mobile device and a peripheral output device |
WO2008058388A1 (en) | 2006-11-15 | 2008-05-22 | Certicom Corp. | Implicit certificate verification |
JP2009130882A (ja) * | 2007-11-28 | 2009-06-11 | Oki Electric Ind Co Ltd | チェックバリュー確認方法及び装置 |
SG171730A1 (en) | 2008-11-24 | 2011-07-28 | Certicom Corp | System and method for hardware based security |
EP2359523B1 (de) * | 2008-12-16 | 2017-04-05 | Certicom Corp. | Beschleunigung von schlüsselvereinbarungsprotokollen |
EP2363976A1 (de) * | 2010-02-25 | 2011-09-07 | Certicom Corp. | Verbesserte digitale Signatur und Schlüsselvereinbarungsschemen |
US8745376B2 (en) | 2011-10-14 | 2014-06-03 | Certicom Corp. | Verifying implicit certificates and digital signatures |
LT3268914T (lt) | 2016-02-23 | 2018-11-12 | nChain Holdings Limited | Bendros paslapties, skirtos saugiems informacijos mainams, nustatymas ir hierarchiniai determinuoti kriptografiniai raktai |
EP3748903A1 (de) | 2016-02-23 | 2020-12-09 | Nchain Holdings Limited | Universelles tokenisierungssystem für blockchain-basierte kryptowährungen |
EP3420675B1 (de) | 2016-02-23 | 2020-03-11 | Nchain Holdings Limited | Blockchain-implementiertes zählsystem und verfahren zur verwendung bei der sicheren stimmabgabe und verteilung |
JP6528008B2 (ja) | 2016-02-23 | 2019-06-12 | エヌチェーン ホールディングス リミテッドNchain Holdings Limited | 秘密共有のための楕円曲線暗号化を利用したパーソナルデバイスセキュリティ |
JP6942136B2 (ja) | 2016-02-23 | 2021-09-29 | エヌチェーン ホールディングス リミテッドNchain Holdings Limited | デジタルコンテンツの制御及び配信のためのブロックチェーンにより実施される方法 |
BR112018016782A2 (pt) | 2016-02-23 | 2018-12-26 | Nchain Holdings Ltd | sistema e método implementado por computador configurado para controlar uma transferência feita através de um blockchain |
WO2017145010A1 (en) | 2016-02-23 | 2017-08-31 | nChain Holdings Limited | Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system |
BR112018016819A2 (pt) | 2016-02-23 | 2018-12-26 | Nchain Holdings Ltd | método e sistemas para proteger um recurso digital controlado utilizando uma tabela de dispersão e livro-razão distribuídos e um blockchain |
BR112018016822A2 (pt) | 2016-02-23 | 2018-12-26 | Nchain Holdings Ltd | método implementado por computador para realizar uma troca de entidades entre um primeiro usuário e um segundo usuário, processador e meio legível por computador |
US11126976B2 (en) | 2016-02-23 | 2021-09-21 | 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 |
EP3420507A1 (de) | 2016-02-23 | 2019-01-02 | Nchain Holdings Limited | Tokenisierungsverfahren und system zur implementierung von vermittlungen auf einer blockkette |
EP3420669B1 (de) | 2016-02-23 | 2021-03-24 | Nchain Holdings Limited | Kryptographisches verfahren und system zur sicheren extraktion von daten aus einer blockkette |
WO2017145019A1 (en) | 2016-02-23 | 2017-08-31 | nChain Holdings Limited | Registry and automated management method for blockchain-enforced smart contracts |
US11308486B2 (en) | 2016-02-23 | 2022-04-19 | nChain Holdings Limited | Method and system for the secure transfer of entities on a blockchain |
US11985225B2 (en) | 2018-05-14 | 2024-05-14 | Nchain Licensing Ag | Computer-implemented systems and methods for using veiled values in blockchain |
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 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200770A (en) * | 1977-09-06 | 1980-04-29 | Stanford University | Cryptographic apparatus 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 |
DE69327238T2 (de) * | 1993-08-17 | 2000-09-07 | Entrust Technologies Switzerla | Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft |
US5761305A (en) * | 1995-04-21 | 1998-06-02 | Certicom Corporation | Key agreement and transport protocol with implicit signatures |
CA2176972C (en) * | 1995-05-17 | 2008-11-25 | Scott A. Vanstone | Key agreement and transport protocol with implicit signatures |
-
1996
- 1996-04-15 WO PCT/CA1996/000239 patent/WO1996033565A1/en active Search and Examination
- 1996-04-15 AU AU52665/96A patent/AU5266596A/en not_active Abandoned
- 1996-04-16 CA CA002579259A patent/CA2579259C/en not_active Expired - Lifetime
- 1996-04-16 DE DE69633590T patent/DE69633590T2/de not_active Expired - Lifetime
- 1996-04-16 CA CA002174261A patent/CA2174261C/en not_active Expired - Lifetime
- 1996-04-16 EP EP96105920A patent/EP0739105B1/de not_active Expired - Lifetime
- 1996-04-16 EP EP04104990A patent/EP1496644A3/de not_active Withdrawn
-
1997
- 1997-11-07 US US08/966,766 patent/US6122736A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0739105A1 (de) | 1996-10-23 |
WO1996033565A1 (en) | 1996-10-24 |
CA2579259C (en) | 2010-02-02 |
EP0739105B1 (de) | 2004-10-13 |
CA2579259A1 (en) | 1996-10-22 |
DE69633590T2 (de) | 2006-02-02 |
CA2174261A1 (en) | 1996-10-22 |
AU5266596A (en) | 1996-11-07 |
US6122736A (en) | 2000-09-19 |
CA2174261C (en) | 2007-06-12 |
EP1496644A2 (de) | 2005-01-12 |
EP1496644A3 (de) | 2005-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: MERH-IP MATIAS ERNY REICHL HOFFMANN, 80336 MUENCHE |