DE3585043D1 - System zur uebertragung eines unterschriebenen dokuments. - Google Patents

System zur uebertragung eines unterschriebenen dokuments.

Info

Publication number
DE3585043D1
DE3585043D1 DE8585103008T DE3585043T DE3585043D1 DE 3585043 D1 DE3585043 D1 DE 3585043D1 DE 8585103008 T DE8585103008 T DE 8585103008T DE 3585043 T DE3585043 T DE 3585043T DE 3585043 D1 DE3585043 D1 DE 3585043D1
Authority
DE
Germany
Prior art keywords
transferring
signed document
signed
document
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
Application number
DE8585103008T
Other languages
English (en)
Inventor
Tatsuaki Okamoto
Shoji Miyaguchi
Akira Shiraishi
Tsukasa Kawaoka
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 JP59052696A external-priority patent/JPS60196059A/ja
Priority claimed from JP60042052A external-priority patent/JPS61200778A/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE3585043D1 publication Critical patent/DE3585043D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/30—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
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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
    • H04L9/3093—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving Lattices or polynomial equations, e.g. NTRU scheme
    • 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
    • H04L9/3249—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 using RSA or related signature schemes, e.g. Rabin scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
DE8585103008T 1984-03-19 1985-03-15 System zur uebertragung eines unterschriebenen dokuments. Expired - Lifetime DE3585043D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59052696A JPS60196059A (ja) 1984-03-19 1984-03-19 署名文書通信方式
JP60042052A JPS61200778A (ja) 1985-03-04 1985-03-04 署名文書通信方式

Publications (1)

Publication Number Publication Date
DE3585043D1 true DE3585043D1 (de) 1992-02-13

Family

ID=26381697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585103008T Expired - Lifetime DE3585043D1 (de) 1984-03-19 1985-03-15 System zur uebertragung eines unterschriebenen dokuments.

Country Status (4)

Country Link
US (1) US4625076A (de)
EP (1) EP0157258B1 (de)
CA (1) CA1255784A (de)
DE (1) DE3585043D1 (de)

Families Citing this family (103)

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US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
US5136643A (en) * 1989-10-13 1992-08-04 Fischer Addison M Public/key date-time notary facility
US5136647A (en) * 1990-08-02 1992-08-04 Bell Communications Research, Inc. Method for secure time-stamping of digital documents
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US7298851B1 (en) * 1992-12-09 2007-11-20 Discovery Communications, Inc. Electronic book security and copyright protection system
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US7904722B2 (en) * 1994-07-19 2011-03-08 Certco, Llc Method for securely using digital signatures in a commercial cryptographic system
RU2144269C1 (ru) * 1994-07-19 2000-01-10 Сертко, Ллс Способ секретного использования цифровых подписей в коммерческой криптографической системе
US5544255A (en) * 1994-08-31 1996-08-06 Peripheral Vision Limited Method and system for the capture, storage, transport and authentication of handwritten signatures
US6091835A (en) * 1994-08-31 2000-07-18 Penop Limited Method and system for transcribing electronic affirmations
US5606609A (en) * 1994-09-19 1997-02-25 Scientific-Atlanta Electronic document verification system and method
TW250616B (en) 1994-11-07 1995-07-01 Discovery Communicat Inc Electronic book selection and delivery system
US7743248B2 (en) 1995-01-17 2010-06-22 Eoriginal, Inc. System and method for a remote access service enabling trust and interoperability when retrieving certificate status from multiple certification authority reporting components
US5748738A (en) * 1995-01-17 1998-05-05 Document Authentication Systems, Inc. System and method for electronic transmission, storage and retrieval of authenticated documents
US7162635B2 (en) * 1995-01-17 2007-01-09 Eoriginal, Inc. System and method for electronic transmission, storage, and retrieval of authenticated electronic original documents
US6237096B1 (en) 1995-01-17 2001-05-22 Eoriginal Inc. System and method for electronic transmission storage and retrieval of authenticated documents
DE19513896A1 (de) * 1995-04-12 1996-10-17 Deutsche Telekom Ag Verfahren zum Signieren einer Nachricht
DE19513898B4 (de) * 1995-04-12 2006-11-30 Deutsche Telekom Ag Public-Key-Verfahren zur Verschlüsselung von Daten
KR0146438B1 (ko) * 1995-05-17 1998-09-15 조백제 인증교환 방법과 복원형 전자서명 방법 및 부가형 전자서명 방법
US5742807A (en) * 1995-05-31 1998-04-21 Xerox Corporation Indexing system using one-way hash for document service
US5835592A (en) * 1995-06-01 1998-11-10 Chang; Chung Nan Secure, swift cryptographic key exchange
US5583939A (en) * 1995-06-01 1996-12-10 Chung N. Chang Secure, swift cryptographic key exchange
US5812669A (en) * 1995-07-19 1998-09-22 Jenkins; Lew Method and system for providing secure EDI over an open network
US6898581B1 (en) 1995-08-21 2005-05-24 Pitney Bowes Inc. Secure user certification for electronic commerce employing value metering system
US5796841A (en) 1995-08-21 1998-08-18 Pitney Bowes Inc. Secure user certification for electronic commerce employing value metering system
US5963649A (en) * 1995-12-19 1999-10-05 Nec Corporation Message authorization system for authorizing message for electronic document
EP0807910B1 (de) * 1996-05-16 2008-06-04 Nippon Telegraph And Telephone Corporation Verfahren zum Einführen elektronischen Geldes mit einer Überwachungseinrichtung, Gebrauchervorrichtung und Überwachungseinrichtung zum Durchführen desselben
US5966444A (en) * 1996-12-06 1999-10-12 Yuan; Chuan K. Method and system for establishing a cryptographic key agreement using linear protocols
DE19703929A1 (de) * 1997-02-04 1998-08-06 Deutsche Telekom Ag Verfahren zum Generieren einer digitalen Signatur und Verfahren zur Überprüfung der Signatur
US5987130A (en) * 1997-03-31 1999-11-16 Chang; Chung Nan Simiplified secure swift cryptographic key exchange
US6389136B1 (en) 1997-05-28 2002-05-14 Adam Lucas Young Auto-Recoverable and Auto-certifiable cryptosystems with RSA or factoring based keys
US6202150B1 (en) 1997-05-28 2001-03-13 Adam Lucas Young Auto-escrowable and auto-certifiable cryptosystems
US6122742A (en) * 1997-06-18 2000-09-19 Young; Adam Lucas Auto-recoverable and auto-certifiable cryptosystem with unescrowed signing keys
US6282295B1 (en) 1997-10-28 2001-08-28 Adam Lucas Young Auto-recoverable and auto-certifiable cryptostem using zero-knowledge proofs for key escrow in general exponential ciphers
US6243466B1 (en) 1997-08-29 2001-06-05 Adam Lucas Young Auto-escrowable and auto-certifiable cryptosystems with fast key generation
US6795553B1 (en) * 1997-11-04 2004-09-21 Nippon Telegraph And Telephone Corporation Method and apparatus for modular inversion for information security and recording medium with a program for implementing the method
JP3272283B2 (ja) * 1997-11-14 2002-04-08 富士通株式会社 電子データ保管装置
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Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218582A (en) * 1977-10-06 1980-08-19 The Board Of Trustees Of The Leland Stanford Junior University Public key cryptographic apparatus and method

Also Published As

Publication number Publication date
CA1255784A (en) 1989-06-13
EP0157258A3 (en) 1987-11-11
EP0157258B1 (de) 1992-01-02
US4625076A (en) 1986-11-25
EP0157258A2 (de) 1985-10-09

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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

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING