DE69227936D1 - 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 ÜbertragungInfo
- Publication number
- DE69227936D1 DE69227936D1 DE69227936T DE69227936T DE69227936D1 DE 69227936 D1 DE69227936 D1 DE 69227936D1 DE 69227936 T DE69227936 T DE 69227936T DE 69227936 T DE69227936 T DE 69227936T DE 69227936 D1 DE69227936 D1 DE 69227936D1
- Authority
- DE
- Germany
- Prior art keywords
- subsystems
- distributing
- distribution system
- key
- unidirectional transmission
- 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
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
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 true DE69227936D1 (de) | 1999-02-04 |
DE69227936T2 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) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06175905A (ja) * | 1992-12-03 | 1994-06-24 | Fujitsu Ltd | 暗号化ファイル共有方法 |
WO1995002292A1 (fr) * | 1993-07-07 | 1995-01-19 | Ntt Mobile Communications Network Inc. | Procede de controle de la confidentialite de communications personnelles |
US5729608A (en) * | 1993-07-27 | 1998-03-17 | International Business Machines Corp. | Method and system for providing secure key distribution in a communication system |
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. |
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 |
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 |
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 |
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 |
JP4543555B2 (ja) * | 1999-04-13 | 2010-09-15 | ソニー株式会社 | データ伝送システム、データ伝送方法、データ送信装置及びデータ受信装置 |
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 |
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 |
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 |
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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200770A (en) * | 1977-09-06 | 1980-04-29 | Stanford University | Cryptographic apparatus and method |
EP0257585B1 (de) * | 1986-08-22 | 1992-11-25 | Nec Corporation | Schlüsselverteilungsverfahren |
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 |
-
1991
- 1991-03-05 JP JP3119544A patent/JP2725478B2/ja not_active Expired - Fee Related
-
1992
- 1992-02-28 US US07/843,275 patent/US5251258A/en not_active Expired - Lifetime
- 1992-02-28 EP EP92103460A patent/EP0502441B1/de not_active Expired - Lifetime
- 1992-02-28 DE DE69227936T patent/DE69227936T2/de not_active Expired - Fee Related
- 1992-03-02 CA CA002062170A patent/CA2062170C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2062170A1 (en) | 1992-09-06 |
EP0502441A2 (de) | 1992-09-09 |
CA2062170C (en) | 1997-03-04 |
DE69227936T2 (de) | 1999-05-27 |
US5251258A (en) | 1993-10-05 |
JP2725478B2 (ja) | 1998-03-11 |
EP0502441B1 (de) | 1998-12-23 |
EP0502441A3 (en) | 1993-06-23 |
JPH04277951A (ja) | 1992-10-02 |
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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 |