DE69128981D1 - Geheimübertragungsverfahren und Geheimübertragungseinrichtung - Google Patents

Geheimübertragungsverfahren und Geheimübertragungseinrichtung

Info

Publication number
DE69128981D1
DE69128981D1 DE69128981T DE69128981T DE69128981D1 DE 69128981 D1 DE69128981 D1 DE 69128981D1 DE 69128981 T DE69128981 T DE 69128981T DE 69128981 T DE69128981 T DE 69128981T DE 69128981 D1 DE69128981 D1 DE 69128981D1
Authority
DE
Germany
Prior art keywords
secret transmission
transmission device
secret
transmission method
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
Application number
DE69128981T
Other languages
English (en)
Other versions
DE69128981T2 (de
Inventor
Shinichi Kawamura
Atsushi Shimbo
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP2143833A external-priority patent/JPH0437341A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69128981D1 publication Critical patent/DE69128981D1/de
Publication of DE69128981T2 publication Critical patent/DE69128981T2/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
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
DE69128981T 1990-06-01 1991-05-31 Geheimübertragungsverfahren und Geheimübertragungseinrichtung Expired - Fee Related DE69128981T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2143833A JPH0437341A (ja) 1990-06-01 1990-06-01 暗号通信システム及び暗号通信方法
JP30597290 1990-11-14
JP1004491 1991-01-30

Publications (2)

Publication Number Publication Date
DE69128981D1 true DE69128981D1 (de) 1998-04-09
DE69128981T2 DE69128981T2 (de) 1998-08-06

Family

ID=27278808

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69133502T Expired - Fee Related DE69133502T2 (de) 1990-06-01 1991-05-31 Geheimübertragungsverfahren und -gerät
DE69128981T Expired - Fee Related DE69128981T2 (de) 1990-06-01 1991-05-31 Geheimübertragungsverfahren und Geheimübertragungseinrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69133502T Expired - Fee Related DE69133502T2 (de) 1990-06-01 1991-05-31 Geheimübertragungsverfahren und -gerät

Country Status (3)

Country Link
US (1) US5136642A (de)
EP (2) EP0460538B1 (de)
DE (2) DE69133502T2 (de)

Families Citing this family (48)

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GB9104090D0 (en) * 1991-03-08 1991-04-17 Rolls Royce Plc Improvements in or relating to moulding compositions
GB9104909D0 (en) * 1991-03-08 1991-04-24 Int Computers Ltd Access control in a distributed computer system
US5191610A (en) * 1992-02-28 1993-03-02 United Technologies Automotive, Inc. Remote operating system having secure communication of encoded messages and automatic re-synchronization
DE59305159D1 (de) * 1992-04-09 1997-02-27 Siemens Ag Verfahren zum erkennen einer unberechtigten wiedereinspielung beliebiger von einem sender zu einem empfänger übertragener daten
US5375169A (en) * 1993-05-28 1994-12-20 Tecsec, Incorporated Cryptographic key management method and apparatus
US5442703A (en) * 1993-05-30 1995-08-15 Motorola, Inc. Method for identifying corrupt encryption keys within a secure communication system
US5377270A (en) * 1993-06-30 1994-12-27 United Technologies Automotive, Inc. Cryptographic authentication of transmitted messages using pseudorandom numbers
US5363448A (en) * 1993-06-30 1994-11-08 United Technologies Automotive, Inc. Pseudorandom number generation and cryptographic authentication
WO1995008232A1 (en) * 1993-09-14 1995-03-23 Chantilley Corporation Limited Apparatus for key distribution in an encryption system
US5680131A (en) * 1993-10-29 1997-10-21 National Semiconductor Corporation Security system having randomized synchronization code after power up
US5398284A (en) * 1993-11-05 1995-03-14 United Technologies Automotive, Inc. Cryptographic encoding process
JP3548215B2 (ja) * 1993-12-22 2004-07-28 キヤノン株式会社 通信方法及びそのシステム
EP0697687A4 (de) * 1994-03-07 2000-09-20 Nippon Telegraph & Telephone Auf nullkenntnisauthentifizierungsprotokoll basierendes verfahren und system zur nachrichtenübermittlung
US5604803A (en) * 1994-06-03 1997-02-18 Sun Microsystems, Inc. Method and apparatus for secure remote authentication in a public network
US5588060A (en) * 1994-06-10 1996-12-24 Sun Microsystems, Inc. Method and apparatus for a key-management scheme for internet protocols
US5517567A (en) * 1994-08-23 1996-05-14 Daq Electronics Inc. Key distribution system
WO1996037064A1 (de) * 1995-05-19 1996-11-21 Siemens Aktiengesellschaft Verfahren zum rechnergestützten austausch kryptographischer schlüssel zwischen einer ersten computereinheit und einer zweiten computereinheit
US5625693A (en) * 1995-07-07 1997-04-29 Thomson Consumer Electronics, Inc. Apparatus and method for authenticating transmitting applications in an interactive TV system
DE19540930C1 (de) * 1995-11-03 1997-04-24 Strohschneider Sabine Verfahren zum Erstellen eines Informationsverteilungssystems für beliebig viele geschlossene Nutzergruppen mit Hilfe einer physikalischen Einheit
US5684951A (en) * 1996-03-20 1997-11-04 Synopsys, Inc. Method and system for user authorization over a multi-user computer system
US5838790A (en) * 1996-04-19 1998-11-17 Juno Online Services, L.P. Advertisement authentication system in which advertisements are downloaded for off-line display
DE19622533A1 (de) * 1996-06-05 1997-12-11 Deutsche Telekom Ag Verfahren und Vorrichtung zum Laden von Inputdaten in einen Algorithmus bei der Authentikation
SE506853C2 (sv) * 1996-06-20 1998-02-16 Anonymity Prot In Sweden Ab Metod för databearbetning
US20030054879A1 (en) 1996-12-31 2003-03-20 Bruce Schneier System and method for securing electronic games
US6099408A (en) 1996-12-31 2000-08-08 Walker Digital, Llc Method and apparatus for securing electronic games
WO1998033159A1 (fr) * 1997-01-28 1998-07-30 Matsushita Electric Industrial Co., Ltd. Dispositif d'identification du type a reproduction de message
AUPO799197A0 (en) * 1997-07-15 1997-08-07 Silverbrook Research Pty Ltd Image processing method and apparatus (ART01)
US7743262B2 (en) * 1997-07-15 2010-06-22 Silverbrook Research Pty Ltd Integrated circuit incorporating protection from power supply attacks
US7346586B1 (en) 1997-07-15 2008-03-18 Silverbrook Research Pty Ltd Validation protocol and system
US7249108B1 (en) * 1997-07-15 2007-07-24 Silverbrook Research Pty Ltd Validation protocol and system
US7246098B1 (en) * 1997-07-15 2007-07-17 Silverbrook Research Pty Ltd Consumable authentication protocol and system
US6816968B1 (en) * 1998-07-10 2004-11-09 Silverbrook Research Pty Ltd Consumable authentication protocol and system
DE19847944A1 (de) * 1998-10-09 2000-04-13 Deutsche Telekom Ag Verfahren zum Etablieren eines gemeinsamen Schlüssels zwischen einer Zentrale und einer Gruppe von Teilnehmern
US7685423B1 (en) 2000-02-15 2010-03-23 Silverbrook Research Pty Ltd Validation protocol and system
EP1260053B1 (de) * 2000-02-15 2006-05-31 Silverbrook Research Pty. Limited Vorrichtung und protokoll zum authentifizieren eines verbrauchsgegenstandes
SE517460C2 (sv) * 2000-03-24 2002-06-11 Imp Internat Ab Metod och system för kryptering och autentisiering
US6711699B1 (en) 2000-05-04 2004-03-23 International Business Machines Corporation Real time backup system for information based on a user's actions and gestures for computer users
US20020066038A1 (en) * 2000-11-29 2002-05-30 Ulf Mattsson Method and a system for preventing impersonation of a database user
US7454796B2 (en) * 2000-12-22 2008-11-18 Canon Kabushiki Kaisha Obtaining temporary exclusive control of a printing device
JP2003348070A (ja) * 2002-05-29 2003-12-05 Hitachi Ltd 機密化通信方法およびそれに用いるノード装置
US7840806B2 (en) * 2002-10-16 2010-11-23 Enterprise Information Management, Inc. System and method of non-centralized zero knowledge authentication for a computer network
US8239917B2 (en) * 2002-10-16 2012-08-07 Enterprise Information Management, Inc. Systems and methods for enterprise security with collaborative peer to peer architecture
US20040193923A1 (en) * 2003-01-16 2004-09-30 Hammond Frank J. Systems and methods for enterprise security with collaborative peer to peer architecture
US20070174271A1 (en) * 2005-02-18 2007-07-26 Ulf Mattsson Database system with second preprocessor and method for accessing a database
KR101520617B1 (ko) * 2007-04-17 2015-05-15 삼성전자주식회사 메시지의 무결성 유지를 위한 메시지 암호화 방법 및 장치,메시지의 무결성 유지를 위한 메시지 복호화 방법 및 장치
US20100031321A1 (en) 2007-06-11 2010-02-04 Protegrity Corporation Method and system for preventing impersonation of computer system user
FR2925245B1 (fr) * 2007-12-12 2010-06-11 Sagem Securite Controle d'une entite a controler par une entite de controle
EP2859679B1 (de) * 2012-05-23 2020-09-02 The University Of Leeds Sichere kommunikation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471163A (en) * 1981-10-05 1984-09-11 Donald Thomas C Software protection system
WO1984000457A1 (en) * 1982-07-15 1984-02-02 Light Signatures Inc Private communication system
DE3782780T2 (de) * 1986-08-22 1993-06-09 Nippon Electric Co Schluesselverteilungsverfahren.
US5005200A (en) * 1988-02-12 1991-04-02 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
CA2011396C (en) * 1989-03-03 1995-01-03 Kazue Tanaka Cipher-key distribution system
US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
US5022080A (en) * 1990-04-16 1991-06-04 Durst Robert T Electronic notary

Also Published As

Publication number Publication date
DE69133502D1 (de) 2006-04-06
EP0735723A2 (de) 1996-10-02
EP0460538A3 (en) 1993-03-03
DE69133502T2 (de) 2006-09-14
DE69128981T2 (de) 1998-08-06
US5136642A (en) 1992-08-04
EP0735723B1 (de) 2006-01-11
EP0460538B1 (de) 1998-03-04
EP0735723A3 (de) 1997-01-15
EP0460538A2 (de) 1991-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee