IL117234D0 - Apparatus and method for authenticating the dispatch and contents of documents - Google Patents

Apparatus and method for authenticating the dispatch and contents of documents

Info

Publication number
IL117234D0
IL117234D0 IL11723496A IL11723496A IL117234D0 IL 117234 D0 IL117234 D0 IL 117234D0 IL 11723496 A IL11723496 A IL 11723496A IL 11723496 A IL11723496 A IL 11723496A IL 117234 D0 IL117234 D0 IL 117234D0
Authority
IL
Israel
Prior art keywords
dispatch
authenticating
documents
contents
apparatus
Prior art date
Application number
IL11723496A
Other versions
IL117234A (en
Original Assignee
Feldbau Ofra
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
Family has litigation
Priority to EP95113489A priority Critical patent/EP0760565B1/en
Application filed by Feldbau Ofra filed Critical Feldbau Ofra
Publication of IL117234D0 publication Critical patent/IL117234D0/en
Publication of IL117234A publication Critical patent/IL117234A/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8219558&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL117234(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/321Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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 a third party or a trusted authority
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/30Payment architectures, schemes or protocols characterised by the use of specific devices
    • G06Q20/36Payment architectures, schemes or protocols characterised by the use of specific devices using electronic wallets or electronic money safes
    • G06Q20/367Payment architectures, schemes or protocols characterised by the use of specific devices using electronic wallets or electronic money safes involving intelligent token, e.g. electronic purse
    • G06Q20/3674Payment architectures, schemes or protocols characterised by the use of specific devices using electronic wallets or electronic money safes involving intelligent token, e.g. electronic purse involving authentication
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/40Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401Transaction verification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/3247Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/3271Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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 using challenge-response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/3297Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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 time stamps, e.g. generation of time stamps
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/30Compression, e.g. Merkle-Damgard construction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
IL11723496A 1995-08-28 1996-02-22 Apparatus and method for authenticating the dispatch and contents of documents IL117234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95113489A EP0760565B1 (en) 1995-08-28 1995-08-28 Apparatus and method for authenticating the dispatch and contents of documents

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CA002234454A CA2234454C (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
AU66668/96A AU706661B2 (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
NZ315069A NZ315069A (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
EP96926546A EP0847639A1 (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
PCT/IB1996/000859 WO1997008869A1 (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
US08/981,461 US6182219B1 (en) 1995-08-28 1996-08-27 Apparatus and method for authenticating the dispatch and contents of documents
CN96197923A CN1131620C (en) 1995-08-28 1996-08-27 Apparatus and method for autheniticating dispatch and contents of documents
US09/724,459 US6571334B1 (en) 1995-08-28 2000-11-28 Apparatus and method for authenticating the dispatch and contents of documents

Publications (2)

Publication Number Publication Date
IL117234D0 true IL117234D0 (en) 1996-06-18
IL117234A IL117234A (en) 2000-11-21

Family

ID=8219558

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11723496A IL117234A (en) 1995-08-28 1996-02-22 Apparatus and method for authenticating the dispatch and contents of documents

Country Status (9)

Country Link
US (2) US6182219B1 (en)
EP (2) EP0760565B1 (en)
CN (1) CN1131620C (en)
AU (1) AU706661B2 (en)
CA (1) CA2234454C (en)
DE (2) DE69503374D1 (en)
IL (1) IL117234A (en)
NZ (1) NZ315069A (en)
WO (1) WO1997008869A1 (en)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0760565B1 (en) * 1995-08-28 1998-07-08 Michael Feldbau Apparatus and method for authenticating the dispatch and contents of documents
US8549310B2 (en) * 1996-04-08 2013-10-01 Walker Digital, Llc Method and apparatus for secure measurement certification
US8092224B2 (en) * 1995-11-22 2012-01-10 James A. Jorasch Systems and methods for improved health care compliance
US7553234B2 (en) 1995-11-22 2009-06-30 Walker Digital, Llc Method and apparatus for outputting a result of a game via a container
US6959387B2 (en) 1996-03-21 2005-10-25 Walker Digital, Llc Method and apparatus for verifying secure document timestamping
US5923763A (en) 1996-03-21 1999-07-13 Walker Asset Management Limited Partnership Method and apparatus for secure document timestamping
US5828751A (en) * 1996-04-08 1998-10-27 Walker Asset Management Limited Partnership Method and apparatus for secure measurement certification
US20040185830A1 (en) * 1996-08-08 2004-09-23 Joao Raymond Anthony Apparatus and method for providing account security
US6138096A (en) * 1996-11-26 2000-10-24 Add Value Holdings Pte Ltd. Apparatus for speech-based generation, audio translation, and manipulation of text messages over voice lines
BR9714592A (en) * 1997-03-21 2005-04-12 Canal & Sa Empresa De Telecomu Process of low data for a set receiver / MPEG decoder and an MPEG transmission system for implementing it
US6199102B1 (en) 1997-08-26 2001-03-06 Christopher Alan Cobb Method and system for filtering electronic messages
EP0918274A3 (en) * 1997-11-13 2000-02-02 Hewlett-Packard Company System and method for securing and validating data using signatures, encryption, and feedback
US6112227A (en) 1998-08-06 2000-08-29 Heiner; Jeffrey Nelson Filter-in method for reducing junk e-mail
WO2000051286A1 (en) * 1999-02-26 2000-08-31 Bitwise Designs, Inc. Digital file management and imaging system and method including secure file marking
US7103574B1 (en) * 1999-03-27 2006-09-05 Microsoft Corporation Enforcement architecture and method for digital rights management
US6839879B1 (en) * 1999-05-07 2005-01-04 Xilinx, Inc. Method and system for time-stamping and managing electronic documents
GB2349960A (en) * 1999-05-08 2000-11-15 Ibm Secure password provision
US7966372B1 (en) * 1999-07-28 2011-06-21 Rpost International Limited System and method for verifying delivery and integrity of electronic messages
WO2001010090A1 (en) * 1999-07-28 2001-02-08 Tomkow Terrance A System and method for verifying delivery and integrity of electronic messages
US7502748B1 (en) * 1999-08-31 2009-03-10 Careerious Inc. Job matching system and method
GB2371659A (en) * 1999-09-28 2002-07-31 Cfph Llc Systems and methods for transferring items with restricted transferability
WO2001024437A2 (en) 1999-09-30 2001-04-05 United States Postal Service Systems and methods for authenticating an electronic message
WO2001041031A2 (en) * 1999-11-16 2001-06-07 Cfph, L.L.C. Systems and methods for reselling electronic merchandise
AU782518B2 (en) * 2000-01-07 2005-08-04 International Business Machines Corporation A method for inter-enterprise role-based authorization
US8055509B1 (en) * 2000-03-10 2011-11-08 Walker Digital, Llc Methods and apparatus for increasing and/or for monitoring a party's compliance with a schedule for taking medicines
JP4290309B2 (en) * 2000-03-13 2009-07-01 シャープ株式会社 Information communication apparatus, information communication method, and remote management system
FR2806859A1 (en) * 2000-03-21 2001-09-28 Sts Method, controller, computing device and the network for transmission certified documents
US7054905B1 (en) * 2000-03-30 2006-05-30 Sun Microsystems, Inc. Replacing an email attachment with an address specifying where the attachment is stored
US7035830B1 (en) * 2000-05-01 2006-04-25 Shaikh Mohammed Nasar S Method and apparatus for remote filing and recordation of documents
US8972717B2 (en) 2000-06-15 2015-03-03 Zixcorp Systems, Inc. Automatic delivery selection for electronic content
US6732101B1 (en) * 2000-06-15 2004-05-04 Zix Corporation Secure message forwarding system detecting user's preferences including security preferences
US20020013899A1 (en) * 2000-06-17 2002-01-31 Faul Jacob Joel Automated document distribution and transaction verification
CA2351291A1 (en) * 2000-06-26 2001-12-26 Nadine Smolarski-Koff Data exchange method and communication protocol used during same
US20040260657A1 (en) * 2000-07-18 2004-12-23 John Cockerham System and method for user-controlled on-line transactions
US9252955B2 (en) * 2000-08-18 2016-02-02 United States Postal Service Apparatus and methods for the secure transfer of electronic data
JP2002074223A (en) * 2000-08-25 2002-03-15 Fujitsu Ltd Authentication processing method, authentication processing system, settlement method, user device, and storage medium in which program to perform authentication processing is stored
US20020038424A1 (en) * 2000-09-22 2002-03-28 Joao Raymond Anthony Apparatus and method for providing security for electronic signatures
AU1341302A (en) * 2000-10-24 2002-05-06 It Security Solutions Llc Process and apparatus for improving the security of digital signatures and public key infrastructures for real-world applications
WO2002052764A2 (en) * 2000-12-27 2002-07-04 Nettrust Israel Ltd. Methods and systems for authenticating communications
WO2002056537A1 (en) * 2001-01-09 2002-07-18 Benninghoff Charles F Iii Method for certifying and unifying delivery of electronic packages
US20030009694A1 (en) * 2001-02-25 2003-01-09 Storymail, Inc. Hardware architecture, operating system and network transport neutral system, method and computer program product for secure communications and messaging
DE10113268A1 (en) * 2001-03-16 2002-09-19 Bundesdruckerei Gmbh Sensor for detecting the authenticity of security features to value and / or security documents
US7353204B2 (en) * 2001-04-03 2008-04-01 Zix Corporation Certified transmission system
US20020147918A1 (en) * 2001-04-05 2002-10-10 Osthoff Harro R. System and method for securing information in memory
US20030088771A1 (en) * 2001-04-18 2003-05-08 Merchen M. Russel Method and system for authorizing and certifying electronic data transfers
US20020169976A1 (en) * 2001-05-10 2002-11-14 Schelling Todd A. Enabling optional system features
EP1425680A4 (en) * 2001-08-31 2006-05-03 Trac Medical Solutions Inc System for interactive processing of form documents
WO2003038665A1 (en) * 2001-10-31 2003-05-08 Net-Release Pty Ltd A system and method of disseminating recorded audio information
US7197143B2 (en) * 2002-01-18 2007-03-27 The Johns Hopkins University Digital video authenticator
US7191166B2 (en) * 2002-02-27 2007-03-13 Wells Fargo Bank N.A. Method and system for comparing information contents
US7610339B2 (en) * 2002-03-04 2009-10-27 Datawitness Online Ltd. Internet-based communications verification system
US20030188180A1 (en) * 2002-03-28 2003-10-02 Overney Gregor T. Secure file verification station for ensuring data integrity
JP2004007387A (en) * 2002-04-12 2004-01-08 Mitsubishi Electric Information Systems Corp Distribution system, method and program for distributing document with electronic signature, and recording medium for recording program therefor
US8285794B2 (en) * 2002-05-14 2012-10-09 Hewlett-Packard Development Company, L.P. Signature e-mail attachment printing
US7146504B2 (en) * 2002-06-13 2006-12-05 Microsoft Corporation Secure clock on computing device such as may be required in connection with a trust-based system
JP3988599B2 (en) * 2002-09-20 2007-10-10 富士ゼロックス株式会社 Image processing method, falsification detection method, image processing apparatus, falsification detection apparatus, image processing program, falsification detection program, and image forming medium
JP2004133497A (en) * 2002-10-08 2004-04-30 Hitachi Ltd Method for electronic commerce
US7574607B1 (en) * 2002-10-29 2009-08-11 Zix Corporation Secure pipeline processing
US20040103284A1 (en) * 2002-11-27 2004-05-27 Barker Thomas N. System and method for archiving authenticated research and development records
US8121955B2 (en) * 2003-01-16 2012-02-21 Oracle America, Inc. Signing program data payload sequence in program loading
US7281244B2 (en) * 2003-01-16 2007-10-09 Sun Microsystems, Inc. Using a digital fingerprint to commit loaded data in a device
US7484095B2 (en) * 2003-01-16 2009-01-27 Sun Microsystems, Inc. System for communicating program data between a first device and a second device
US7072868B2 (en) 2003-02-20 2006-07-04 First Data Corporation Methods and systems for negotiable-instrument fraud prevention
US7370212B2 (en) 2003-02-25 2008-05-06 Microsoft Corporation Issuing a publisher use license off-line in a digital rights management (DRM) system
DE10311634A1 (en) * 2003-03-14 2004-09-30 Authentidate International Ag Electronic transmission of documents
US7290033B1 (en) 2003-04-18 2007-10-30 America Online, Inc. Sorting electronic messages using attributes of the sender address
US7590695B2 (en) 2003-05-09 2009-09-15 Aol Llc Managing electronic messages
US7908479B2 (en) * 2003-07-28 2011-03-15 Sony Corporation Information processing device and method, recording medium and program
US20060031124A1 (en) * 2004-08-09 2006-02-09 Liberty Logistics Inc. Collaborative logistics information exchange method and apparatus
WO2005037551A2 (en) * 2003-10-15 2005-04-28 Blumberg Marvin R A system and method of providing proof of delivery
US7558954B2 (en) * 2003-10-31 2009-07-07 Hewlett-Packard Development Company, L.P. Method and apparatus for ensuring the integrity of data
JP4707373B2 (en) * 2003-12-16 2011-06-22 株式会社リコー Electronic device, electronic device control method, program, recording medium, management system, and replacement member
US7882360B2 (en) 2003-12-19 2011-02-01 Aol Inc. Community messaging lists for authorization to deliver electronic messages
US8244913B1 (en) * 2004-10-13 2012-08-14 Progress Software Corporation Replication horizon determination with an independent distributed database system
US20060089917A1 (en) * 2004-10-22 2006-04-27 Microsoft Corporation License synchronization
US7650383B2 (en) 2005-03-15 2010-01-19 Aol Llc Electronic message system with federation of trusted senders
US7647381B2 (en) 2005-04-04 2010-01-12 Aol Llc Federated challenge credit system
US8725646B2 (en) * 2005-04-15 2014-05-13 Microsoft Corporation Output protection levels
US8438645B2 (en) 2005-04-27 2013-05-07 Microsoft Corporation Secure clock with grace periods
US20060265758A1 (en) * 2005-05-20 2006-11-23 Microsoft Corporation Extensible media rights
CN1889420B (en) 2005-06-30 2010-05-05 联想(北京)有限公司 Method for realizing encrypting
US8688790B2 (en) * 2005-07-01 2014-04-01 Email2 Scp Solutions Inc. Secure electronic mail system with for your eyes only features
US10021062B2 (en) 2005-07-01 2018-07-10 Cirius Messaging Inc. Secure electronic mail system
US9401900B2 (en) 2005-07-01 2016-07-26 Cirius Messaging Inc. Secure electronic mail system with thread/conversation opt out
US7730142B2 (en) 2005-07-01 2010-06-01 0733660 B.C. Ltd. Electronic mail system with functionality to include both private and public messages in a communication
US9235841B2 (en) 2005-07-22 2016-01-12 Gtj Ventures, Llc Transaction security apparatus and method
US9911124B2 (en) 2005-07-22 2018-03-06 Gtj Ventures, Llc Transaction security apparatus and method
US9245270B2 (en) 2005-07-22 2016-01-26 Gtj Ventures, Llc Transaction security apparatus and method
JP4870494B2 (en) * 2005-09-13 2012-02-08 株式会社リコー Information processing apparatus and program
US8452966B1 (en) * 2005-10-26 2013-05-28 Adobe Systems Incorporated Methods and apparatus for verifying a purported user identity
EP1826695A1 (en) 2006-02-28 2007-08-29 Microsoft Corporation Secure content descriptions
GB0622149D0 (en) * 2006-11-07 2006-12-20 Singlepoint Holdings Ltd System and method to validate and authenticate digital data
US8818904B2 (en) 2007-01-17 2014-08-26 The Western Union Company Generation systems and methods for transaction identifiers having biometric keys associated therewith
US7933835B2 (en) * 2007-01-17 2011-04-26 The Western Union Company Secure money transfer systems and methods using biometric keys associated therewith
US8224178B2 (en) * 2007-03-06 2012-07-17 Igotit Solutions, Llc Real time transmission of photographic images from portable handheld devices
US8634712B1 (en) 2007-03-06 2014-01-21 Alex Robert Woods Real time transmission of photographic images from portable handheld devices
US8504473B2 (en) 2007-03-28 2013-08-06 The Western Union Company Money transfer system and messaging system
FR2926175B1 (en) * 2008-01-07 2012-08-17 Trustseed Sas Signature method and device
US8600912B2 (en) * 2008-09-30 2013-12-03 Escher Group (Irl) Limited Electronic business postal system
US8374930B2 (en) * 2009-02-02 2013-02-12 Trustifi Corporation Certified email system and method
US8341023B2 (en) * 2009-06-17 2012-12-25 Trustifi Corporation Certified email system and method
EP2226966A1 (en) * 2009-03-03 2010-09-08 Gemalto SA Method for securely establishing a virtual multi-party contract which can be materialised
US9160725B2 (en) * 2011-09-23 2015-10-13 Rpost Communications Limited Computer implemented system and method for authenticating a sender of electronic data to a recipient
EP2618226B1 (en) * 2012-01-19 2014-08-13 Siemens Aktiengesellschaft Industrial automation system and method for its protection
EP2723023A1 (en) * 2012-10-19 2014-04-23 Lleidanetworks Serveis Telemàtics S.A. Method for the registration and certification of receipt of electronic mail
AT13431U1 (en) * 2012-12-03 2013-12-15 Hpc Duale Zustellsysteme Gmbh Method for delivering documents
US9680502B2 (en) * 2014-05-09 2017-06-13 Avago Technologies General Ip (Singapore) Pte. Ltd. Message page integrity verification in automotive network auto-negotiation
US10282562B1 (en) 2015-02-24 2019-05-07 ImageKeeper LLC Secure digital data collection

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326098A (en) * 1980-07-02 1982-04-20 International Business Machines Corporation High security system for electronic signature verification
US4458109A (en) * 1982-02-05 1984-07-03 Siemens Corporation Method and apparatus providing registered mail features in an electronic communication system
US5189700A (en) * 1989-07-05 1993-02-23 Blandford Robert R Devices to (1) supply authenticated time and (2) time stamp and authenticate digital documents
US5136643A (en) * 1989-10-13 1992-08-04 Fischer Addison M Public/key date-time notary facility
US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
US5163091A (en) * 1990-01-29 1992-11-10 Graziano James M Knowledge based system for document authentication (apparatus)
US5022080A (en) * 1990-04-16 1991-06-04 Durst Robert T Electronic notary
US5136647A (en) 1990-08-02 1992-08-04 Bell Communications Research, Inc. Method for secure time-stamping of digital documents
US5136646A (en) 1991-03-08 1992-08-04 Bell Communications Research, Inc. Digital document time-stamping with catenate certificate
US5339361A (en) 1992-12-04 1994-08-16 Texas Instruments Incorporated System and method for authenticating transmission and receipt of electronic information
US5373561A (en) 1992-12-21 1994-12-13 Bell Communications Research, Inc. Method of extending the validity of a cryptographic certificate
US5422953A (en) * 1993-05-05 1995-06-06 Fischer; Addison M. Personal date/time notary device
US5475753A (en) * 1993-11-12 1995-12-12 Matsushita Electric Corporation Of America Apparatus and method for certifying the delivery of information
US5454038A (en) * 1993-12-06 1995-09-26 Pitney Bowes Inc. Electronic data interchange postage evidencing system
US5748738A (en) * 1995-01-17 1998-05-05 Document Authentication Systems, Inc. System and method for electronic transmission, storage and retrieval of authenticated documents
US5671282A (en) * 1995-01-23 1997-09-23 Ricoh Corporation Method and apparatus for document verification and tracking
EP0760565B1 (en) * 1995-08-28 1998-07-08 Michael Feldbau Apparatus and method for authenticating the dispatch and contents of documents
DE19610401A1 (en) * 1996-03-16 1997-09-18 Deutsche Telekom Ag Method and arrangement for detecting the timing of performing a cryptographic process
US5923763A (en) * 1996-03-21 1999-07-13 Walker Asset Management Limited Partnership Method and apparatus for secure document timestamping
GB9619189D0 (en) * 1996-09-13 1996-10-23 Ncr Int Inc Methods and apparatus for sending electronic data signals
US5771292A (en) * 1997-04-25 1998-06-23 Zunquan; Liu Device and method for data integrity and authentication

Also Published As

Publication number Publication date
IL117234A (en) 2000-11-21
EP0760565B1 (en) 1998-07-08
CN1131620C (en) 2003-12-17
AU6666896A (en) 1997-03-19
NZ315069A (en) 2000-04-28
WO1997008869A1 (en) 1997-03-06
US6182219B1 (en) 2001-01-30
EP0847639A1 (en) 1998-06-17
AU706661B2 (en) 1999-06-17
DE69503374D1 (en) 1998-08-13
EP0760565A1 (en) 1997-03-05
CA2234454A1 (en) 1997-03-06
US6571334B1 (en) 2003-05-27
CA2234454C (en) 2002-01-15
CN1200853A (en) 1998-12-02
DE69503374T2 (en) 1999-04-15

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