JP4384728B2 - 内在的署名を用いた鍵一致及び輸送プロトコル - Google Patents
内在的署名を用いた鍵一致及び輸送プロトコル Download PDFInfo
- Publication number
- JP4384728B2 JP4384728B2 JP51929898A JP51929898A JP4384728B2 JP 4384728 B2 JP4384728 B2 JP 4384728B2 JP 51929898 A JP51929898 A JP 51929898A JP 51929898 A JP51929898 A JP 51929898A JP 4384728 B2 JP4384728 B2 JP 4384728B2
- Authority
- JP
- Japan
- Prior art keywords
- communication terminal
- key
- signature
- exponential function
- random integer
- 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
Images
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)
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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009193282A Division JP2010011478A (ja) | 2009-08-24 | 2009-08-24 | 内在的署名を用いた鍵一致及び搬送方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000502553A JP2000502553A (ja) | 2000-02-29 |
| JP2000502553A5 JP2000502553A5 (enExample) | 2004-10-28 |
| JP4384728B2 true JP4384728B2 (ja) | 2009-12-16 |
Family
ID=27027154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51929898A Expired - Lifetime JP4384728B2 (ja) | 1995-04-21 | 1996-10-18 | 内在的署名を用いた鍵一致及び輸送プロトコル |
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)
| 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)
| 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 |
-
1995
- 1995-05-17 US US08/442,833 patent/US5761305A/en not_active Expired - Lifetime
-
1996
- 1996-10-18 DE DE69636815T patent/DE69636815T2/de not_active Expired - Lifetime
- 1996-10-18 EP EP96944186A patent/EP0873617B1/en not_active Expired - Lifetime
- 1996-10-18 CA CA002237688A patent/CA2237688C/en not_active Expired - Lifetime
- 1996-10-18 AU AU14057/97A patent/AU1405797A/en not_active Abandoned
- 1996-10-18 WO PCT/US1996/016608 patent/WO1998018234A1/en not_active Ceased
- 1996-10-18 JP JP51929898A patent/JP4384728B2/ja not_active Expired - Lifetime
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 |
| DE69636815T2 (de) | 2007-11-08 |
| CA2237688C (en) | 2007-07-24 |
| CA2237688A1 (en) | 1998-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4384728B2 (ja) | 内在的署名を用いた鍵一致及び輸送プロトコル | |
| US5889865A (en) | Key agreement and transport protocol with implicit signatures | |
| EP0739105B1 (en) | Method for signature and session key generation | |
| US6785813B1 (en) | Key agreement and transport protocol with implicit signatures | |
| US6487661B2 (en) | Key agreement and transport protocol | |
| US6483921B1 (en) | Method and apparatus for regenerating secret keys in Diffie-Hellman communication sessions | |
| EP1642437A2 (en) | Key agreement and transport protocol | |
| US20030044019A1 (en) | Key agreement and transport protocol | |
| EP2315390B1 (en) | Key agreement and transport protocol with implicit signatures | |
| JP2010011478A (ja) | 内在的署名を用いた鍵一致及び搬送方法 | |
| Yang et al. | Cryptanalysis of an Enhanced Authentication Key Exchange Protocol | |
| HK1157524B (en) | Key agreement and transport protocol with implicit signatures | |
| HK1157528B (en) | Key agreement and transport protocol with implicit signatures | |
| HK1157529B (en) | Key agreement and transport protocol with implicit signatures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060815 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20061114 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070105 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070215 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070403 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20070911 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090525 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090605 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090624 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090716 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090722 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090814 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090824 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090928 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121002 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121002 Year of fee payment: 3 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: R3D02 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131002 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |