DE69227936T2 - Schlüsselverteilungssystem zur Verteilung eines Chiffrierschlüssels zwischen zwei Teilsystemen mittels einer unidirektionalen Übertragung - Google Patents

Schlüsselverteilungssystem zur Verteilung eines Chiffrierschlüssels zwischen zwei Teilsystemen mittels einer unidirektionalen Übertragung

Info

Publication number
DE69227936T2
DE69227936T2 DE69227936T DE69227936T DE69227936T2 DE 69227936 T2 DE69227936 T2 DE 69227936T2 DE 69227936 T DE69227936 T DE 69227936T DE 69227936 T DE69227936 T DE 69227936T DE 69227936 T2 DE69227936 T2 DE 69227936T2
Authority
DE
Germany
Prior art keywords
distribution
key
subsystems
unidirectional transmission
encryption key
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 - Fee Related
Application number
DE69227936T
Other languages
English (en)
Other versions
DE69227936D1 (de
Inventor
Kazue Tanaka
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69227936D1 publication Critical patent/DE69227936D1/de
Publication of DE69227936T2 publication Critical patent/DE69227936T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
DE69227936T 1991-03-05 1992-02-28 Schlüsselverteilungssystem zur Verteilung eines Chiffrierschlüssels zwischen zwei Teilsystemen mittels einer unidirektionalen Übertragung Expired - Fee Related DE69227936T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3119544A JP2725478B2 (ja) 1991-03-05 1991-03-05 暗号鍵配送方式

Publications (2)

Publication Number Publication Date
DE69227936D1 DE69227936D1 (de) 1999-02-04
DE69227936T2 true DE69227936T2 (de) 1999-05-27

Family

ID=14763933

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227936T Expired - Fee Related DE69227936T2 (de) 1991-03-05 1992-02-28 Schlüsselverteilungssystem zur Verteilung eines Chiffrierschlüssels zwischen zwei Teilsystemen mittels einer unidirektionalen Übertragung

Country Status (5)

Country Link
US (1) US5251258A (de)
EP (1) EP0502441B1 (de)
JP (1) JP2725478B2 (de)
CA (1) CA2062170C (de)
DE (1) DE69227936T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240974A (zh) * 2017-07-10 2019-01-18 比亚迪股份有限公司 二乘二取二系统同步方法及计算机设备

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JPH06175905A (ja) * 1992-12-03 1994-06-24 Fujitsu Ltd 暗号化ファイル共有方法
US5677954A (en) * 1993-07-07 1997-10-14 Ntt Mobile Communications Network, Inc. Cryptical control method for personal communication
EP0711480B1 (de) * 1993-07-27 1997-06-11 International Business Machines Corporation Verfahren und system zur authentifizierten sicheren schlüsselverteilung in einem kommunikationssystem
US5668878A (en) * 1994-02-28 1997-09-16 Brands; Stefanus Alfonsus Secure cryptographic methods for electronic transfer of information
FR2717334B1 (fr) * 1994-03-11 1996-04-19 Pierre Rolin Vérification d'intégrité de données échangées entre deux stations de réseau de télécommunications.
US5838792A (en) * 1994-07-18 1998-11-17 Bell Atlantic Network Services, Inc. Computer system for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
US5557678A (en) * 1994-07-18 1996-09-17 Bell Atlantic Network Services, Inc. System and method for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
US5748735A (en) * 1994-07-18 1998-05-05 Bell Atlantic Network Services, Inc. Securing E-mail communications and encrypted file storage using yaksha split private key asymmetric cryptography
US5588059A (en) * 1995-03-02 1996-12-24 Motorola, Inc. Computer system and method for secure remote communication sessions
EP0735472A3 (de) * 1995-03-31 2000-01-19 Sun Microsystems, Inc. Verfahren und Gerät für Verschwörung zwischen Objekten
US5684951A (en) * 1996-03-20 1997-11-04 Synopsys, Inc. Method and system for user authorization over a multi-user computer system
GB2319704B (en) * 1996-11-15 2001-07-04 Desktop Guardian Ltd Data encryption technique
US6944763B1 (en) * 1999-04-13 2005-09-13 Sony Corporation Data transmission system
JP2001211154A (ja) * 2000-01-25 2001-08-03 Murata Mach Ltd 秘密鍵生成方法，暗号化方法及び暗号通信方法
JP2001211155A (ja) * 2000-01-25 2001-08-03 Murata Mach Ltd 共通鍵生成方法，共通鍵生成装置及び暗号通信方法
SE517460C2 (sv) * 2000-03-24 2002-06-11 Imp Internat Ab Metod och system för kryptering och autentisiering
JP2007288254A (ja) * 2006-04-12 2007-11-01 Sony Corp 通信システム、通信装置および方法、並びにプログラム
US8707042B2 (en) * 2008-08-28 2014-04-22 Red Hat, Inc. Sharing keys between cooperating parties
KR20130049542A (ko) * 2011-11-04 2013-05-14 삼성전자주식회사 메모리 소자 및 이를 포함하는 메모리 시스템

Family Cites Families (9)

* 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
DE3782780T2 (de) * 1986-08-22 1993-06-09 Nec Corp Schluesselverteilungsverfahren.
US4908861A (en) * 1987-08-28 1990-03-13 International Business Machines Corporation Data authentication using modification detection codes based on a public one way encryption function
JP2734726B2 (ja) * 1989-03-03 1998-04-02 日本電気株式会社 暗号鍵配送方式
CA2011396C (en) * 1989-03-03 1995-01-03 Kazue Tanaka Cipher-key distribution system
US4956863A (en) * 1989-04-17 1990-09-11 Trw Inc. Cryptographic method and apparatus for public key exchange with authentication
JP2606419B2 (ja) * 1989-08-07 1997-05-07 松下電器産業株式会社 暗号通信システムと暗号通信方法
JP3080382B2 (ja) * 1990-02-21 2000-08-28 株式会社日立製作所 暗号通信システム
US5142578A (en) * 1991-08-22 1992-08-25 International Business Machines Corporation Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240974A (zh) * 2017-07-10 2019-01-18 比亚迪股份有限公司 二乘二取二系统同步方法及计算机设备

Also Published As

Publication number Publication date
EP0502441A2 (de) 1992-09-09
JPH04277951A (ja) 1992-10-02
US5251258A (en) 1993-10-05
EP0502441B1 (de) 1998-12-23
JP2725478B2 (ja) 1998-03-11
CA2062170A1 (en) 1992-09-06
CA2062170C (en) 1997-03-04
EP0502441A3 (en) 1993-06-23
DE69227936D1 (de) 1999-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee