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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Storage Device Security (AREA)
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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US4837822A (en) * 1986-04-08 1989-06-06 Schlage Lock Company Cryptographic based electronic lock system and method of operation
US4748668A (en) * 1986-07-09 1988-05-31 Yeda Research And Development Company Limited Method, apparatus and article for identification and signature
EP0257585B1 (de) * 1986-08-22 1992-11-25 Nec Corporation Schlüsselverteilungsverfahren
US4893338A (en) * 1987-12-31 1990-01-09 Pitney Bowes Inc. System for conveying information for the reliable authentification of a plurality of documents
US4933970A (en) * 1988-01-19 1990-06-12 Yeda Research And Development Company Limited Variants of the fiat-shamir identification and signature scheme
US4868877A (en) * 1988-02-12 1989-09-19 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US5005200A (en) * 1988-02-12 1991-04-02 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US4932056A (en) * 1989-03-16 1990-06-05 Yeda Research And Development Company Limited Method and apparatus for user identification based on permuted kernels
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
US5136646A (en) * 1991-03-08 1992-08-04 Bell Communications Research, Inc. Digital document time-stamping with catenate certificate
US5136647A (en) * 1990-08-02 1992-08-04 Bell Communications Research, Inc. Method for secure time-stamping of digital documents
DE4109682C1 (de) * 1991-03-23 1992-08-27 Mannesmann Kienzle Gmbh, 7730 Villingen-Schwenningen, De
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US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
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
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WO1993025965A1 (en) * 1992-06-12 1993-12-23 The Dow Chemical Company Intelligent process control communication system and method
DE69316009T2 (de) * 1992-06-12 1998-04-23 Dow Benelux Sicheres frontendverbindungssystem und verfahren fur prozesssteuerungsrechner
US5396558A (en) 1992-09-18 1995-03-07 Nippon Telegraph And Telephone Corporation Method and apparatus for settlement of accounts by IC cards
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US7336788B1 (en) 1992-12-09 2008-02-26 Discovery Communicatoins Inc. Electronic book secure communication with home subsystem
US7849393B1 (en) 1992-12-09 2010-12-07 Discovery Communications, Inc. Electronic book connection to world watch live
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US7509270B1 (en) 1992-12-09 2009-03-24 Discovery Communications, Inc. Electronic Book having electronic commerce features
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US8095949B1 (en) 1993-12-02 2012-01-10 Adrea, LLC Electronic book with restricted access features
US7865567B1 (en) 1993-12-02 2011-01-04 Discovery Patent Holdings, Llc Virtual on-demand electronic book
US9053640B1 (en) 1993-12-02 2015-06-09 Adrea, LLC Interactive electronic book
US5537475A (en) * 1994-02-01 1996-07-16 Micali; Silvio Efficient digital signature algorithm and use thereof technical field
KR0144086B1 (ko) * 1994-03-31 1998-08-17 조백제 인증교환과 전자서명 방법
AU698454B2 (en) * 1994-07-19 1998-10-29 Certco Llc Method for securely using digital signatures in a commercial cryptographic system
US7904722B2 (en) * 1994-07-19 2011-03-08 Certco, Llc Method for securely using digital signatures in a commercial cryptographic system
US6091835A (en) * 1994-08-31 2000-07-18 Penop Limited Method and system for transcribing electronic affirmations
US5544255A (en) * 1994-08-31 1996-08-06 Peripheral Vision Limited Method and system for the capture, storage, transport and authentication of handwritten signatures
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
US6237096B1 (en) 1995-01-17 2001-05-22 Eoriginal Inc. System and method for electronic transmission storage and retrieval of authenticated documents
US5748738A (en) * 1995-01-17 1998-05-05 Document Authentication Systems, Inc. System and method for electronic transmission, storage and retrieval of authenticated documents
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
US7162635B2 (en) * 1995-01-17 2007-01-09 Eoriginal, Inc. System and method for electronic transmission, storage, and retrieval of authenticated electronic original 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
US5583939A (en) * 1995-06-01 1996-12-10 Chung N. Chang Secure, swift cryptographic key exchange
US5835592A (en) * 1995-06-01 1998-11-10 Chang; Chung Nan 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
US5796841A (en) * 1995-08-21 1998-08-18 Pitney Bowes Inc. Secure user certification for electronic commerce employing value metering system
US6985888B1 (en) 1995-08-21 2006-01-10 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
US6003765A (en) * 1996-05-16 1999-12-21 Nippon Telegraph And Telephone Corporation Electronic cash implementing method with a surveillance institution, and user apparatus and surveillance institution apparatus for implementing the same
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
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
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
US6389136B1 (en) 1997-05-28 2002-05-14 Adam Lucas Young Auto-Recoverable and Auto-certifiable cryptosystems with RSA or factoring based keys
DE69826963T2 (de) * 1997-11-04 2005-11-17 Nippon Telegraph And Telephone Corp. Gerät für die modulare Inversion zur Sicherung von Information
JP3272283B2 (ja) * 1997-11-14 2002-04-08 富士通株式会社 電子データ保管装置
DE19944595C2 (de) * 1998-05-07 2003-08-14 Sc Info & Inno Gmbh & Co Verfahren zum Verifizieren der Unversehrtheit und Urheberschaft von Texten
RU2153191C2 (ru) 1998-09-29 2000-07-20 Закрытое акционерное общество "Алкорсофт" Способ изготовления вслепую цифровой rsa-подписи и устройство для его реализации (варианты)
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US6473508B1 (en) 1998-12-22 2002-10-29 Adam Lucas Young Auto-recoverable auto-certifiable cryptosystems with unescrowed signature-only keys
US7171000B1 (en) 1999-06-10 2007-01-30 Message Secure Corp. Simplified addressing for private communications
US6988199B2 (en) 2000-07-07 2006-01-17 Message Secure Secure and reliable document delivery
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US20040151309A1 (en) * 2002-05-03 2004-08-05 Gentry Craig B Ring-based signature scheme
JP2004362532A (ja) * 2002-10-25 2004-12-24 Matsushita Electric Ind Co Ltd 透かし挿入装置および透かし取出装置
GB0229894D0 (en) 2002-12-21 2003-01-29 Ibm Methods, apparatus and computer programs for generating and/or using conditional electronic signatures and/or for reporting status changes
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
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US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US20070174196A1 (en) * 2006-01-26 2007-07-26 Christoph Becker System and method for verifying authenticity
KR101381551B1 (ko) 2006-05-05 2014-04-11 하이버 인크 그룹 기반의 완료 및 증분 컴퓨터 파일 백업 시스템, 프로세스 및 장치

Family Cites Families (1)

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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
EP0157258A2 (de) 1985-10-09
EP0157258A3 (en) 1987-11-11
US4625076A (en) 1986-11-25
EP0157258B1 (de) 1992-01-02

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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