DE69030268T2 - Verbessertes Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit verbessertem digitalen Unterschriftsbeglaubigungsfeld - Google Patents

Verbessertes Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit verbessertem digitalen Unterschriftsbeglaubigungsfeld

Info

Publication number
DE69030268T2
DE69030268T2 DE69030268T DE69030268T DE69030268T2 DE 69030268 T2 DE69030268 T2 DE 69030268T2 DE 69030268 T DE69030268 T DE 69030268T DE 69030268 T DE69030268 T DE 69030268T DE 69030268 T2 DE69030268 T2 DE 69030268T2
Authority
DE
Germany
Prior art keywords
public key
disclosed
digital signature
improved
signature
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
DE69030268T
Other languages
English (en)
Other versions
DE69030268D1 (de
Inventor
Addison M Fischer
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of DE69030268D1 publication Critical patent/DE69030268D1/de
Application granted granted Critical
Publication of DE69030268T2 publication Critical patent/DE69030268T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/33User authentication using certificates
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/33User authentication using certificates
    • G06F21/335User authentication using certificates for accessing specific resources, e.g. using Kerberos tickets
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/02Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/04Payment circuits
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829Payment protocols; Details thereof insuring higher security of transaction involving key management
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00Franking apparatus
    • G07B17/00733Cryptography or similar special procedures in a franking system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3247Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3263Cryptographic 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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H04L9/3265Cryptographic 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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate chains, trees or paths; Hierarchical trust model
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/009Trust
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2145Inheriting rights or properties, e.g., propagation of permissions or restrictions within a hierarchy
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2147Locking files
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00Franking apparatus
    • G07B17/00733Cryptography or similar special procedures in a franking system
    • G07B2017/00741Cryptography or similar special procedures in a franking system using specific cryptographic algorithms or functions
    • G07B2017/00758Asymmetric, public-key algorithms, e.g. RSA, Elgamal
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00Franking apparatus
    • G07B17/00733Cryptography or similar special procedures in a franking system
    • G07B2017/00741Cryptography or similar special procedures in a franking system using specific cryptographic algorithms or functions
    • G07B2017/00758Asymmetric, public-key algorithms, e.g. RSA, Elgamal
    • G07B2017/00766Digital signature, e.g. DSA, DSS, ECDSA, ESIGN
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00Franking apparatus
    • G07B17/00733Cryptography or similar special procedures in a franking system
    • G07B2017/00741Cryptography or similar special procedures in a franking system using specific cryptographic algorithms or functions
    • G07B2017/00782Hash function, e.g. MD5, MD2, SHA
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07BTICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00Franking apparatus
    • G07B17/00733Cryptography or similar special procedures in a franking system
    • G07B2017/00927Certificates, e.g. X.509
    • 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
    • H04L2209/34Encoding or coding, e.g. Huffman coding or error correction
    • 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
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
DE69030268T 1989-03-07 1990-01-11 Verbessertes Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit verbessertem digitalen Unterschriftsbeglaubigungsfeld Expired - Lifetime DE69030268T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/319,780 US5005200A (en) 1988-02-12 1989-03-07 Public key/signature cryptosystem with enhanced digital signature certification

Publications (2)

Publication Number Publication Date
DE69030268D1 DE69030268D1 (de) 1997-04-24
DE69030268T2 true DE69030268T2 (de) 1997-06-26

Family

ID=23243621

Family Applications (3)

Application Number Title Priority Date Filing Date
DE199090300322T Pending DE386867T1 (de) 1989-03-07 1990-01-11 Kryptosystem mit oeffentlichem schluessel und/oder unterschrift und mit digitaler unterschriftsbeglaubigung.
DE69030268T Expired - Lifetime DE69030268T2 (de) 1989-03-07 1990-01-11 Verbessertes Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit verbessertem digitalen Unterschriftsbeglaubigungsfeld
DE69013541T Expired - Lifetime DE69013541T2 (de) 1989-03-07 1990-01-11 Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit digitaler Unterschriftsbeglaubigung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE199090300322T Pending DE386867T1 (de) 1989-03-07 1990-01-11 Kryptosystem mit oeffentlichem schluessel und/oder unterschrift und mit digitaler unterschriftsbeglaubigung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69013541T Expired - Lifetime DE69013541T2 (de) 1989-03-07 1990-01-11 Kryptosystem mit öffentlichem Schlüssel und/oder Unterschrift und mit digitaler Unterschriftsbeglaubigung.

Country Status (10)

Country Link
US (1) US5005200A (de)
EP (2) EP0386867B1 (de)
JP (1) JP3520081B2 (de)
AT (2) ATE150605T1 (de)
AU (1) AU620291B2 (de)
CA (1) CA2000400C (de)
DE (3) DE386867T1 (de)
DK (1) DK0386867T3 (de)
ES (2) ES2098651T3 (de)
GR (1) GR930300050T1 (de)

Families Citing this family (405)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742677A (en) * 1995-04-03 1998-04-21 Scientific-Atlanta, Inc. Information terminal having reconfigurable memory
US5214702A (en) * 1988-02-12 1993-05-25 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
DE4003386C1 (de) * 1990-02-05 1991-05-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US5204966A (en) * 1990-03-09 1993-04-20 Digital Equipment Corporation System for controlling access to a secure system by verifying acceptability of proposed password by using hashing and group of unacceptable passwords
FR2662007B1 (fr) * 1990-05-10 1992-07-10 Bull Sa Procede d'obtention d'une attestation en clair securisee dans un environnement de systeme informatique distribue.
DE69128981T2 (de) * 1990-06-01 1998-08-06 Toshiba Kawasaki Kk Geheimübertragungsverfahren und Geheimübertragungseinrichtung
US5142577A (en) * 1990-12-17 1992-08-25 Jose Pastor Method and apparatus for authenticating messages
US5231668A (en) * 1991-07-26 1993-07-27 The United States Of America, As Represented By The Secretary Of Commerce Digital signature algorithm
US5200999A (en) * 1991-09-27 1993-04-06 International Business Machines Corporation Public key cryptosystem key management based on control vectors
US5164988A (en) * 1991-10-31 1992-11-17 International Business Machines Corporation Method to establish and enforce a network cryptographic security policy in a public key cryptosystem
US5557518A (en) 1994-04-28 1996-09-17 Citibank, N.A. Trusted agents for open electronic commerce
US5453601A (en) 1991-11-15 1995-09-26 Citibank, N.A. Electronic-monetary system
US5157726A (en) * 1991-12-19 1992-10-20 Xerox Corporation Document copy authentication
US5210795A (en) * 1992-01-10 1993-05-11 Digital Equipment Corporation Secure user authentication from personal computer
US5261002A (en) * 1992-03-13 1993-11-09 Digital Equipment Corporation Method of issuance and revocation of certificates of authenticity used in public key networks and other systems
AU662805B2 (en) * 1992-04-06 1995-09-14 Addison M. Fischer A method for processing information among computers which may exchange messages
USRE36918E (en) * 1992-04-20 2000-10-17 Certco Llc Fair cryptosystems and methods of use
US5276737B1 (en) * 1992-04-20 1995-09-12 Silvio Micali Fair cryptosystems and methods of use
US5412717A (en) * 1992-05-15 1995-05-02 Fischer; Addison M. Computer system security method and apparatus having program authorization information data structures
ATE177857T1 (de) * 1992-05-15 1999-04-15 Addison M Fischer Verfahren und vorrichtung zur sicherheit eines computersystem mit programmberechtigungsdatenstrukturen
US5369705A (en) * 1992-06-03 1994-11-29 International Business Machines Corporation Multi-party secure session/conference
US5349642A (en) * 1992-11-03 1994-09-20 Novell, Inc. Method and apparatus for authentication of client server communication
JPH06223041A (ja) * 1993-01-22 1994-08-12 Fujitsu Ltd 広域環境利用者認証方式
US5422953A (en) 1993-05-05 1995-06-06 Fischer; Addison M. Personal date/time notary device
US5367573A (en) * 1993-07-02 1994-11-22 Digital Equipment Corporation Signature data object
NL9301348A (nl) * 1993-08-02 1995-03-01 Stefanus Alfonsus Brands Elektronisch betalingssysteem.
AU683038B2 (en) * 1993-08-10 1997-10-30 Addison M. Fischer A method for operating computers and for processing information among computers
US5497422A (en) * 1993-09-30 1996-03-05 Apple Computer, Inc. Message protection mechanism and graphical user interface therefor
US5371794A (en) * 1993-11-02 1994-12-06 Sun Microsystems, Inc. Method and apparatus for privacy and authentication in wireless networks
US5475753A (en) * 1993-11-12 1995-12-12 Matsushita Electric Corporation Of America Apparatus and method for certifying the delivery of information
US5475826A (en) * 1993-11-19 1995-12-12 Fischer; Addison M. Method for protecting a volatile file using a single hash
US5499294A (en) * 1993-11-24 1996-03-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Digital camera with apparatus for authentication of images produced from an image file
CA2179302A1 (en) * 1993-12-17 1995-06-22 Mohamed Ali Moussa Method of automated signature verification
JP2762909B2 (ja) * 1993-12-27 1998-06-11 日本電気株式会社 電子署名装置
US5434919A (en) * 1994-01-11 1995-07-18 Chaum; David Compact endorsement signature systems
PT739560E (pt) * 1994-01-13 2001-12-28 Certco Inc Sistema criptografico e processo com caracteristica de garantia de chave
US20020013898A1 (en) * 1997-06-04 2002-01-31 Sudia Frank W. Method and apparatus for roaming use of cryptographic values
US5825880A (en) * 1994-01-13 1998-10-20 Sudia; Frank W. Multi-step digital signature method and system
NL9400222A (nl) * 1994-02-11 1995-09-01 Seerp Westra Werkwijze voor zgn. bewijsvergrendeling.
EP0907270B1 (de) 1994-02-24 2009-04-15 Comcast Cable Holdings, LLC Verfahren und Vorrichtung zur Erstellung einer kryptographischen Verbindung zwischen Elementen eines Systems
US5604805A (en) * 1994-02-28 1997-02-18 Brands; Stefanus A. Privacy-protected transfer of electronic information
US5668878A (en) * 1994-02-28 1997-09-16 Brands; Stefanus Alfonsus Secure cryptographic methods for electronic transfer of information
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
JPH07271865A (ja) 1994-04-01 1995-10-20 Mitsubishi Corp データベース著作権管理方法
GB2288476A (en) * 1994-04-05 1995-10-18 Ibm Authentication of printed documents.
US5572590A (en) * 1994-04-12 1996-11-05 International Business Machines Corporation Discrimination of malicious changes to digital information using multiple signatures
DE4413678C1 (de) * 1994-04-20 1995-05-04 Siemens Ag Elektronisches Einschreibeverfahren bei der Datenübertragung
US6088797A (en) * 1994-04-28 2000-07-11 Rosen; Sholom S. Tamper-proof electronic processing device
DE4416253B4 (de) * 1994-05-07 2005-09-22 Deutsche Telekom Ag Verfahren zur datenschutzgerechten Verteilung von Schlüsselinformationen
US5515441A (en) * 1994-05-12 1996-05-07 At&T Corp. Secure communication method and apparatus
EP0771499B1 (de) * 1994-07-19 2005-09-28 Certco, Llc Verfahren zur sicheren anwendung digitaler unterschriften in einem kommerziellen verschlüsselungssystem
US7904722B2 (en) * 1994-07-19 2011-03-08 Certco, Llc Method for securely using digital signatures in a commercial cryptographic system
US5557765A (en) * 1994-08-11 1996-09-17 Trusted Information Systems, Inc. System and method for data recovery
US5557346A (en) * 1994-08-11 1996-09-17 Trusted Information Systems, Inc. System and method for key escrow encryption
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
CA2158290A1 (en) * 1994-09-29 1996-03-30 Leon A. Pintsov Postage evidencing system with secure summary reports
US7302415B1 (en) 1994-09-30 2007-11-27 Intarsia Llc Data copyright management system
US5606617A (en) * 1994-10-14 1997-02-25 Brands; Stefanus A. Secret-key certificates
US6424715B1 (en) * 1994-10-27 2002-07-23 Mitsubishi Corporation Digital content management system and apparatus
EP0709760B1 (de) 1994-10-27 2006-05-31 Intarsia Software LLC Urheberrechtsdatenverwaltungssystem
DE69532434T2 (de) 1994-10-27 2004-11-11 Mitsubishi Corp. Gerät für Dateiurheberrechte-Verwaltungssystem
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
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
US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US6658568B1 (en) 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
EP1431864B2 (de) 1995-02-13 2012-08-22 Intertrust Technologies Corporation Systeme und Verfahren zur gesicherten Transaktionsverwaltung und elektronischem Rechtsschutz
US5892900A (en) 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US6157721A (en) 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US7133846B1 (en) 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US6272632B1 (en) 1995-02-21 2001-08-07 Network Associates, Inc. System and method for controlling access to a user secret using a key recovery field
WO1996039765A1 (en) * 1995-06-05 1996-12-12 Certco Llc Multi-step digital signature method and system
US5790677A (en) * 1995-06-29 1998-08-04 Microsoft Corporation System and method for secure electronic commerce transactions
US5689565A (en) * 1995-06-29 1997-11-18 Microsoft Corporation Cryptography system and method for providing cryptographic services for a computer application
US5606616A (en) * 1995-07-03 1997-02-25 General Instrument Corporation Of Delaware Cryptographic apparatus with double feedforward hash function
US5625693A (en) * 1995-07-07 1997-04-29 Thomson Consumer Electronics, Inc. Apparatus and method for authenticating transmitting applications in an interactive TV system
US5812669A (en) * 1995-07-19 1998-09-22 Jenkins; Lew Method and system for providing secure EDI over an open network
US6393566B1 (en) 1995-07-28 2002-05-21 National Institute Of Standards And Technology Time-stamp service for the national information network
JPH0950465A (ja) * 1995-08-04 1997-02-18 Hitachi Ltd 電子ショッピング方法、電子ショッピングシステムおよび文書認証方法
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
US5638446A (en) * 1995-08-28 1997-06-10 Bell Communications Research, Inc. Method for the secure distribution of electronic files in a distributed environment
US5712914A (en) * 1995-09-29 1998-01-27 Intel Corporation Digital certificates containing multimedia data extensions
US5966446A (en) * 1995-09-29 1999-10-12 Intel Corporation Time-bracketing infrastructure implementation
US6175626B1 (en) * 1995-09-29 2001-01-16 Intel Corporation Digital certificates containing multimedia data extensions
WO1998034403A1 (en) * 1995-09-29 1998-08-06 Intel Corporation Apparatus and method for securing captured data transmitted between two sources
US8595502B2 (en) 1995-09-29 2013-11-26 Intarsia Software Llc Data management system
US8015597B2 (en) 1995-10-02 2011-09-06 Corestreet, Ltd. Disseminating additional data used for controlling access
US8732457B2 (en) * 1995-10-02 2014-05-20 Assa Abloy Ab Scalable certificate validation and simplified PKI management
US7337315B2 (en) 1995-10-02 2008-02-26 Corestreet, Ltd. Efficient certificate revocation
US5666416A (en) * 1995-10-24 1997-09-09 Micali; Silvio Certificate revocation system
US6766450B2 (en) * 1995-10-24 2004-07-20 Corestreet, Ltd. Certificate revocation system
US7716486B2 (en) 1995-10-02 2010-05-11 Corestreet, Ltd. Controlling group access to doors
US7822989B2 (en) * 1995-10-02 2010-10-26 Corestreet, Ltd. Controlling access to an area
US7600129B2 (en) 1995-10-02 2009-10-06 Corestreet, Ltd. Controlling access using additional data
US7353396B2 (en) 1995-10-02 2008-04-01 Corestreet, Ltd. Physical access control
US6487658B1 (en) 1995-10-02 2002-11-26 Corestreet Security, Ltd. Efficient certificate revocation
US8261319B2 (en) 1995-10-24 2012-09-04 Corestreet, Ltd. Logging access attempts to an area
US6301659B1 (en) 1995-11-02 2001-10-09 Silvio Micali Tree-based certificate revocation system
US5699431A (en) * 1995-11-13 1997-12-16 Northern Telecom Limited Method for efficient management of certificate revocation lists and update information
US5608801A (en) * 1995-11-16 1997-03-04 Bell Communications Research, Inc. Efficient cryptographic hash functions and methods for amplifying the security of hash functions and pseudo-random functions
US6026163A (en) * 1995-12-13 2000-02-15 Micali; Silvio Distributed split-key cryptosystem and applications
US5754659A (en) * 1995-12-22 1998-05-19 General Instrument Corporation Of Delaware Generation of cryptographic signatures using hash keys
US5926551A (en) * 1995-12-28 1999-07-20 International Business Machines Corporation System and method for certifying content of hard-copy documents
US5781635A (en) * 1995-12-29 1998-07-14 Intel Corporation Method and apparatus for improved digital message transaction model
JPH09223085A (ja) * 1996-02-19 1997-08-26 Fuji Xerox Co Ltd 電子文書承認装置及び電子文書承認システム
US20060265337A1 (en) * 1996-02-26 2006-11-23 Graphon Corporation Automated system for management of licensed digital assets
US20010011253A1 (en) * 1998-08-04 2001-08-02 Christopher D. Coley Automated system for management of licensed software
US5923763A (en) 1996-03-21 1999-07-13 Walker Asset Management Limited Partnership Method and apparatus for secure document timestamping
US5850442A (en) * 1996-03-26 1998-12-15 Entegrity Solutions Corporation Secure world wide electronic commerce over an open network
US5778069A (en) * 1996-04-10 1998-07-07 Microsoft Corporation Non-biased pseudo random number generator
US6088450A (en) * 1996-04-17 2000-07-11 Intel Corporation Authentication system based on periodic challenge/response protocol
US5978484A (en) * 1996-04-25 1999-11-02 Microsoft Corporation System and method for safety distributing executable objects
US5956409A (en) * 1996-04-29 1999-09-21 Quintet, Inc. Secure application of seals
US6002768A (en) * 1996-05-07 1999-12-14 International Computer Science Institute Distributed registration and key distribution system and method
US6085320A (en) 1996-05-15 2000-07-04 Rsa Security Inc. Client/server protocol for proving authenticity
US5825877A (en) * 1996-06-11 1998-10-20 International Business Machines Corporation Support for portable trusted software
US5987123A (en) * 1996-07-03 1999-11-16 Sun Microsystems, Incorporated Secure file system
US5764769A (en) * 1996-07-31 1998-06-09 International Business Machines Corporation Digital recording system with time-bracketed authentication by on-line challenges and method of authenticating recordings
KR100397601B1 (ko) * 1996-07-31 2003-10-23 삼성전자주식회사 메시지 부가형 디지털서명 방법 및 그에 대한 검증 방법
US6023509A (en) * 1996-09-30 2000-02-08 Intel Corporation Digital signature purpose encoding
US6181803B1 (en) 1996-09-30 2001-01-30 Intel Corporation Apparatus and method for securely processing biometric information to control access to a node
DE19640526A1 (de) 1996-10-01 1998-04-02 Deutsche Telekom Ag Verfahren zur Übertragung von Signalen
US5946396A (en) * 1996-10-25 1999-08-31 Intel Corporation System and method for ensuring integrity of audio
JPH10133576A (ja) * 1996-10-31 1998-05-22 Hitachi Ltd 公開鍵暗号方法および装置
US6253323B1 (en) * 1996-11-01 2001-06-26 Intel Corporation Object-based digital signatures
US6021491A (en) * 1996-11-27 2000-02-01 Sun Microsystems, Inc. Digital signatures for data streams and data archives
US5958051A (en) * 1996-11-27 1999-09-28 Sun Microsystems, Inc. Implementing digital signatures for data streams and data archives
WO1998026537A1 (de) * 1996-12-12 1998-06-18 Ascom Systec Ag Verfahren zur elektronisch gesicherten speicherung von daten in einer datenbank
US5903882A (en) 1996-12-13 1999-05-11 Certco, Llc Reliance server for electronic transaction system
WO1998037655A1 (en) * 1996-12-20 1998-08-27 Financial Services Technology Consortium Method and system for processing electronic documents
EP0954951B1 (de) * 1996-12-24 2009-02-04 XRT Limited Phasenbestimmung in einem phasenabbildungsverfahren
US5917911A (en) * 1997-01-23 1999-06-29 Motorola, Inc. Method and system for hierarchical key access and recovery
US7366900B2 (en) * 1997-02-12 2008-04-29 Verizon Laboratories, Inc. Platform-neutral system and method for providing secure remote operations over an insecure computer network
US5872848A (en) * 1997-02-18 1999-02-16 Arcanvs Method and apparatus for witnessed authentication of electronic documents
US6575372B1 (en) 1997-02-21 2003-06-10 Mondex International Limited Secure multi-application IC card system having selective loading and deleting capability
US6317832B1 (en) * 1997-02-21 2001-11-13 Mondex International Limited Secure multiple application card system and process
US5920861A (en) 1997-02-25 1999-07-06 Intertrust Technologies Corp. Techniques for defining using and manipulating rights management data structures
US5982898A (en) * 1997-03-07 1999-11-09 At&T Corp. Certification process
US6035041A (en) * 1997-04-28 2000-03-07 Certco, Inc. Optimal-resilience, proactive, public-key cryptographic system and method
JPH11143840A (ja) * 1997-11-05 1999-05-28 Hitachi Ltd 分散オブジェクトシステムおよびその方法
US6488211B1 (en) 1997-05-15 2002-12-03 Mondex International Limited System and method for flexibly loading in IC card
US6220510B1 (en) 1997-05-15 2001-04-24 Mondex International Limited Multi-application IC card with delegation feature
US6328217B1 (en) 1997-05-15 2001-12-11 Mondex International Limited Integrated circuit card with application history list
SE512748C2 (sv) * 1997-05-15 2000-05-08 Access Security Sweden Ab Förfarande, aktivt kort, system samt användning av aktivt kort för att genomföra en elektronisk transaktion
US6385723B1 (en) 1997-05-15 2002-05-07 Mondex International Limited Key transformation unit for an IC card
US6164549A (en) * 1997-05-15 2000-12-26 Mondex International Limited IC card with shell feature
US6335972B1 (en) 1997-05-23 2002-01-01 International Business Machines Corporation Framework-based cryptographic key recovery system
US6389136B1 (en) 1997-05-28 2002-05-14 Adam Lucas Young Auto-Recoverable and Auto-certifiable cryptosystems with RSA or factoring based keys
US6243466B1 (en) 1997-08-29 2001-06-05 Adam Lucas Young Auto-escrowable and auto-certifiable cryptosystems with fast key generation
US6122742A (en) * 1997-06-18 2000-09-19 Young; Adam Lucas Auto-recoverable and auto-certifiable cryptosystem with unescrowed signing keys
US6202150B1 (en) 1997-05-28 2001-03-13 Adam Lucas Young Auto-escrowable and auto-certifiable cryptosystems
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
US6105131A (en) * 1997-06-13 2000-08-15 International Business Machines Corporation Secure server and method of operation for a distributed information system
GB2327831B (en) 1997-07-23 2002-10-09 Chantilley Corp Ltd Document or message security arrangements
US6357004B1 (en) * 1997-09-30 2002-03-12 Intel Corporation System and method for ensuring integrity throughout post-processing
US6424712B2 (en) * 1997-10-17 2002-07-23 Certicom Corp. Accelerated signature verification on an elliptic curve
US6330549B1 (en) * 1997-10-30 2001-12-11 Xerox Corporation Protected shareware
US6112181A (en) 1997-11-06 2000-08-29 Intertrust Technologies Corporation Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US7092914B1 (en) * 1997-11-06 2006-08-15 Intertrust Technologies Corporation Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
DE19750522A1 (de) * 1997-11-14 1999-05-20 Wilhelm Wolter Authentifizierungssystem für elektronische Dateien
US6314521B1 (en) 1997-11-26 2001-11-06 International Business Machines Corporation Secure configuration of a digital certificate for a printer or other network device
US6385728B1 (en) 1997-11-26 2002-05-07 International Business Machines Corporation System, method, and program for providing will-call certificates for guaranteeing authorization for a printer to retrieve a file directly from a file server upon request from a client in a network computer system environment
US6601172B1 (en) * 1997-12-31 2003-07-29 Philips Electronics North America Corp. Transmitting revisions with digital signatures
US6195447B1 (en) 1998-01-16 2001-02-27 Lucent Technologies Inc. System and method for fingerprint data verification
US6736325B1 (en) 1998-01-22 2004-05-18 Mondex International Limited Codelets
US6357665B1 (en) 1998-01-22 2002-03-19 Mondex International Limited Configuration of IC card
US6742120B1 (en) 1998-02-03 2004-05-25 Mondex International Limited System and method for controlling access to computer code in an IC card
WO1999041878A1 (en) * 1998-02-17 1999-08-19 At & T Corp. Method and apparatus for compliance checking in a trust-management system
US6314517B1 (en) * 1998-04-02 2001-11-06 Entrust Technologies Limited Method and system for notarizing digital signature data in a system employing cryptography based security
US6128738A (en) * 1998-04-22 2000-10-03 International Business Machines Corporation Certificate based security in SNA data flows
DE19820484C1 (de) * 1998-05-07 1999-11-18 Sc Info & Inno Gmbh & Co Verfahren zur Prüfung der Unversehrtheit und der Echtheit eines Textes
US6195433B1 (en) * 1998-05-08 2001-02-27 Certicom Corp. Private key validity and validation
US6438690B1 (en) 1998-06-04 2002-08-20 International Business Machines Corp. Vault controller based registration application serving web based registration authorities and end users for conducting electronic commerce in secure end-to-end distributed information system
US6931526B1 (en) 1998-06-04 2005-08-16 International Business Machines Corporation Vault controller supervisor and method of operation for managing multiple independent vault processes and browser sessions for users in an electronic business system
US6892300B2 (en) 1998-06-04 2005-05-10 International Business Machines Corporation Secure communication system and method of operation for conducting electronic commerce using remote vault agents interacting with a vault controller
US6684332B1 (en) 1998-06-10 2004-01-27 International Business Machines Corporation Method and system for the exchange of digitally signed objects over an insecure network
US6269446B1 (en) 1998-06-26 2001-07-31 Canon Kabushiki Kaisha Authenticating images from digital cameras
CA2337012C (en) * 1998-07-15 2005-02-01 International Business Machines Corporation Method of establishing the trustworthiness level of a participant in a communication connection
JP2000059771A (ja) * 1998-08-04 2000-02-25 Hitachi Ltd 画像撮像装置および画像データ利用システム
US6389403B1 (en) 1998-08-13 2002-05-14 International Business Machines Corporation Method and apparatus for uniquely identifying a customer purchase in an electronic distribution system
US7110984B1 (en) * 1998-08-13 2006-09-19 International Business Machines Corporation Updating usage conditions in lieu of download digital rights management protected content
US6983371B1 (en) * 1998-10-22 2006-01-03 International Business Machines Corporation Super-distribution of protected digital content
US6859791B1 (en) 1998-08-13 2005-02-22 International Business Machines Corporation Method for determining internet users geographic region
US6959288B1 (en) 1998-08-13 2005-10-25 International Business Machines Corporation Digital content preparation system
US6611812B2 (en) 1998-08-13 2003-08-26 International Business Machines Corporation Secure electronic content distribution on CDS and DVDs
US6226618B1 (en) 1998-08-13 2001-05-01 International Business Machines Corporation Electronic content delivery system
RU2153191C2 (ru) * 1998-09-29 2000-07-20 Закрытое акционерное общество "Алкорсофт" Способ изготовления вслепую цифровой rsa-подписи и устройство для его реализации (варианты)
US6463535B1 (en) 1998-10-05 2002-10-08 Intel Corporation System and method for verifying the integrity and authorization of software before execution in a local platform
US6370250B1 (en) 1998-10-29 2002-04-09 International Business Machines Corporation Method of authentication and storage of private keys in a public key cryptography system (PKCS)
DE19851709A1 (de) * 1998-10-30 2000-05-04 Siemens Ag Verfahren zum Online-Update sicherheitskritischer Software in der Eisenbahn-Signaltechnik
AU760021B2 (en) * 1998-11-25 2003-05-08 Commonwealth Of Australia, The High assurance digital signatures
AUPP728398A0 (en) * 1998-11-25 1998-12-17 Commonwealth Of Australia, The High assurance digital signatures
RU2157001C2 (ru) 1998-11-25 2000-09-27 Закрытое акционерное общество "Алкорсофт" Способ проведения платежей (варианты)
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
CN1347605A (zh) * 1999-01-29 2002-05-01 通用仪器公司 保护cta之间信号传递和呼叫分组的电话呼叫用密钥管理
CA2290170C (en) * 1999-01-29 2005-06-14 International Business Machines Corporation Improved digital signature
US6567917B1 (en) * 1999-02-01 2003-05-20 Cisco Technology, Inc. Method and system for providing tamper-resistant executable software
US6477645B1 (en) 1999-02-03 2002-11-05 Intel Corporation Authority and integrity check in systems lacking a public key
US6601171B1 (en) 1999-02-18 2003-07-29 Novell, Inc. Deputization in a distributed computing system
ATE334526T1 (de) * 1999-02-26 2006-08-15 Bitwise Designs Inc Digitales datenverwaltungs-und abbildherstellungssystem und verfahren mit gesicherter datenmarkierung
US6981023B1 (en) 1999-03-09 2005-12-27 Michael Hamilton Message routing
US7073063B2 (en) 1999-03-27 2006-07-04 Microsoft Corporation Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like
US6829708B1 (en) 1999-03-27 2004-12-07 Microsoft Corporation Specifying security for an element by assigning a scaled value representative of the relative security thereof
US7136838B1 (en) * 1999-03-27 2006-11-14 Microsoft Corporation Digital license and method for obtaining/providing a digital license
US20020019814A1 (en) 2001-03-01 2002-02-14 Krishnamurthy Ganesan Specifying rights in a digital rights license according to events
US7103574B1 (en) * 1999-03-27 2006-09-05 Microsoft Corporation Enforcement architecture and method for digital rights management
US6711679B1 (en) 1999-03-31 2004-03-23 International Business Machines Corporation Public key infrastructure delegation
US6587947B1 (en) 1999-04-01 2003-07-01 Intel Corporation System and method for verification of off-chip processor code
AU3650000A (en) * 1999-04-09 2000-11-14 Ivaylo Nicolaev Popov Method for human-machine interface by documents
US6163361A (en) * 1999-04-23 2000-12-19 Eastman Kodak Company Digital camera including a printer for receiving a cartridge having security control circuitry
US6757827B1 (en) 1999-04-26 2004-06-29 Unisys Corporation Autonomously secured image data
DE19923807A1 (de) * 1999-05-19 2000-11-23 Deutsche Telekom Ag Verfahren zur Erhöhung der Sicherheit bei digitalen Unterschriften
EP1055989A1 (de) * 1999-05-28 2000-11-29 Hewlett-Packard Company System zum digitalen Unterschreiben von einem Dokument
EP1056014A1 (de) 1999-05-28 2000-11-29 Hewlett-Packard Company System und Verfahren zur Versorgung einer vertrauenswürdigen Benutzerschnittstelle
US20020019932A1 (en) * 1999-06-10 2002-02-14 Eng-Whatt Toh Cryptographically secure network
US6988199B2 (en) 2000-07-07 2006-01-17 Message Secure Secure and reliable document delivery
US20020101998A1 (en) * 1999-06-10 2002-08-01 Chee-Hong Wong Fast escrow delivery
GB9914262D0 (en) * 1999-06-18 1999-08-18 Nokia Mobile Phones Ltd WIM Manufacture certificate
KR100805341B1 (ko) * 1999-06-18 2008-02-20 이촤지 코포레이션 가상 지불 계정을 이용하여 인터네트워크상에서 상품,서비스 및 콘텐츠를 주문하는 방법 및 장치
US6202159B1 (en) 1999-06-30 2001-03-13 International Business Machines Corporation Vault controller dispatcher and methods of operation for handling interaction between browser sessions and vault processes in electronic business systems
US6795920B1 (en) 1999-06-30 2004-09-21 International Business Machines Corporation Vault controller secure depositor for managing secure communication
CA2310535A1 (en) * 1999-06-30 2000-12-30 International Business Machines Corporation Vault controller context manager and methods of operation for securely maintaining state information between successive browser connections in an electronic business system
US7058817B1 (en) 1999-07-02 2006-06-06 The Chase Manhattan Bank System and method for single sign on process for websites with multiple applications and services
US7243236B1 (en) * 1999-07-29 2007-07-10 Intertrust Technologies Corp. Systems and methods for using cryptography to protect secure and insecure computing environments
US7885899B1 (en) * 2000-02-08 2011-02-08 Ipass Inc. System and method for secure network purchasing
US7366702B2 (en) * 1999-07-30 2008-04-29 Ipass Inc. System and method for secure network purchasing
US7249259B1 (en) * 1999-09-07 2007-07-24 Certicom Corp. Hybrid signature scheme
AU7596500A (en) 1999-09-20 2001-04-24 Quintiles Transnational Corporation System and method for analyzing de-identified health care data
US6732113B1 (en) 1999-09-20 2004-05-04 Verispan, L.L.C. System and method for generating de-identified health care data
GB9925227D0 (en) 1999-10-25 1999-12-22 Internet Limited Data storage retrieval and access system
US6826690B1 (en) * 1999-11-08 2004-11-30 International Business Machines Corporation Using device certificates for automated authentication of communicating devices
CN1210959C (zh) * 1999-11-12 2005-07-13 通用器材公司 对象安全实现
US20010013121A1 (en) * 1999-11-12 2001-08-09 Kimball Bridget D. Authorization conditioned object message download
US6754908B1 (en) 1999-11-12 2004-06-22 General Instrument Corporation Intrusion detection for object security
JP3725384B2 (ja) * 1999-11-24 2005-12-07 富士通株式会社 認証装置、認証方法及びその装置での処理をコンピュータに行なわせるためのプログラムを格納した記憶媒体
GB2357227B (en) 1999-12-08 2003-12-17 Hewlett Packard Co Security protocol
GB2357229B (en) * 1999-12-08 2004-03-17 Hewlett Packard Co Security protocol
GB2357226B (en) * 1999-12-08 2003-07-16 Hewlett Packard Co Security protocol
GB2357228B (en) * 1999-12-08 2003-07-09 Hewlett Packard Co Method and apparatus for discovering a trust chain imparting a required attribute to a subject
GB2357225B (en) * 1999-12-08 2003-07-16 Hewlett Packard Co Electronic certificate
US7213005B2 (en) 1999-12-09 2007-05-01 International Business Machines Corporation Digital content distribution using web broadcasting services
US6834110B1 (en) 1999-12-09 2004-12-21 International Business Machines Corporation Multi-tier digital TV programming for content distribution
US6636975B1 (en) * 1999-12-15 2003-10-21 Identix Incorporated Accessing a secure resource using certificates bound with authentication information
JP2003519420A (ja) * 1999-12-17 2003-06-17 チャンタレイ・コーポレイション・リミテッド セキュリティを確保した取り引きシステム
US6912285B2 (en) 2000-02-24 2005-06-28 Tumbleweed Communications Corp. Mechanism for efficient private bulk messaging
EP1269425A2 (de) * 2000-02-25 2003-01-02 Identix Incorporated Sicheres transaktionssystem
US7240202B1 (en) 2000-03-16 2007-07-03 Novell, Inc. Security context sharing
US6990581B1 (en) * 2000-04-07 2006-01-24 At&T Corp. Broadband certified mail
KR20010096814A (ko) * 2000-04-14 2001-11-08 홍기융 전자서명 인증기반 파일시스템 해킹방지용 보안커널 방법
AU5488301A (en) * 2000-04-19 2001-08-14 Magicaxess Electronic payment method and device
US20060064595A1 (en) * 2000-05-09 2006-03-23 Microsoft Corporation Restricted software and hardware usage on a computer
US20020003884A1 (en) * 2000-05-26 2002-01-10 Sprunk Eric J. Authentication and/or authorization launch
GB2362970B (en) * 2000-05-31 2004-12-29 Hewlett Packard Co Improvements relating to information storage
GB2363297B (en) * 2000-06-09 2004-04-07 Hewlett Packard Co Secure network communications
AU2000252248A1 (en) * 2000-06-14 2001-12-24 Smarttrust Systems Oy Interpretation of the identity of an entity
US20020013899A1 (en) * 2000-06-17 2002-01-31 Faul Jacob Joel Automated document distribution and transaction verification
US20040073617A1 (en) 2000-06-19 2004-04-15 Milliken Walter Clark Hash-based systems and methods for detecting and preventing transmission of unwanted e-mail
US7251728B2 (en) 2000-07-07 2007-07-31 Message Secure Corporation Secure and reliable document delivery using routing lists
FR2812781A1 (fr) 2000-08-04 2002-02-08 Thomson Multimedia Sa Methode de distribution securisee de donnees numeriques representatives d'un contenu multimedia
US20020143987A1 (en) * 2000-08-22 2002-10-03 Sadler Andrew Paul Message management systems and method
GB2366469B (en) * 2000-08-25 2005-02-23 Hewlett Packard Co Improvements relating to document transmission techniques II
US6978375B1 (en) * 2000-09-08 2005-12-20 International Business Machines Corporation System and method for secure authentication of external software modules provided by third parties
ATE479930T1 (de) 2000-09-21 2010-09-15 Research In Motion Ltd System und verfahren zum unterschreiben eines software-kodes
US6700076B2 (en) * 2000-09-28 2004-03-02 Eic Corporation Multi-layer interconnect module and method of interconnection
US7039615B1 (en) 2000-09-28 2006-05-02 Microsoft Corporation Retail transactions involving digital content in a digital rights management (DRM) system
US20020048372A1 (en) * 2000-10-19 2002-04-25 Eng-Whatt Toh Universal signature object for digital data
US7571199B1 (en) 2000-11-15 2009-08-04 Microsoft Corporation Method and apparatus for generating random numbers
US20020112175A1 (en) * 2000-12-13 2002-08-15 Makofka Douglas S. Conditional access for functional units
US7039807B2 (en) * 2001-01-23 2006-05-02 Computer Associates Think, Inc. Method and system for obtaining digital signatures
JP4093723B2 (ja) * 2001-01-24 2008-06-04 ケープレックス・インク 構造を持った文書に対する電子署名方法及び装置
US6954740B2 (en) * 2001-02-26 2005-10-11 Albert Israel Talker Action verification system using central verification authority
US7085925B2 (en) * 2001-04-03 2006-08-01 Sun Microsystems, Inc. Trust ratings in group credentials
US8849716B1 (en) 2001-04-20 2014-09-30 Jpmorgan Chase Bank, N.A. System and method for preventing identity theft or misuse by restricting access
WO2002091145A1 (en) * 2001-05-08 2002-11-14 Ip.Com, Inc. Method and apparatus for collecting electronic signatures
US7143285B2 (en) * 2001-05-22 2006-11-28 International Business Machines Corporation Password exposure elimination for digital signature coupling with a host identity
GB2376313A (en) 2001-06-04 2002-12-11 Hewlett Packard Co Indicating to a user if they are connected to a trusted computer platform
WO2002099598A2 (en) 2001-06-07 2002-12-12 First Usa Bank, N.A. System and method for rapid updating of credit information
US7266839B2 (en) 2001-07-12 2007-09-04 J P Morgan Chase Bank System and method for providing discriminated content to network users
US7773730B1 (en) 2001-08-09 2010-08-10 Voice Signature Llc Voice record integrator
US20030200447A1 (en) * 2001-08-17 2003-10-23 Lotta Almroth Identification system
GB2379146A (en) * 2001-08-23 2003-02-26 Inventec Corp Transmission of encrypted and digitally signed files over the internet
US6954770B1 (en) * 2001-08-23 2005-10-11 Cavium Networks Random number generator
CA2459306A1 (en) * 2001-08-31 2003-03-13 Trac Medical Solutions, Inc. System for interactive processing of form documents
WO2003019449A2 (en) * 2001-08-31 2003-03-06 Digimarc Corporation Digitally watermarking checks and other value documents
US20030050981A1 (en) * 2001-09-13 2003-03-13 International Business Machines Corporation Method, apparatus, and program to forward and verify multiple digital signatures in electronic mail
US7987501B2 (en) 2001-12-04 2011-07-26 Jpmorgan Chase Bank, N.A. System and method for single session sign-on
US7305556B2 (en) * 2001-12-05 2007-12-04 Canon Kabushiki Kaisha Secure printing with authenticated printer key
AUPR960601A0 (en) * 2001-12-18 2002-01-24 Canon Kabushiki Kaisha Image protection
JP3997085B2 (ja) * 2001-12-28 2007-10-24 キヤノン株式会社 画像生成装置
US7152048B1 (en) 2002-02-07 2006-12-19 Oracle International Corporation Memphis: multiple electronic money payment highlevel integrated security
US7194630B2 (en) 2002-02-27 2007-03-20 Canon Kabushiki Kaisha Information processing apparatus, information processing system, information processing method, storage medium and program
US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
EP1355447B1 (de) * 2002-04-17 2006-09-13 Canon Kabushiki Kaisha Vorrichtung zur Bereitstellung von öffentlichen Schlüsselzertifikaten
EP1361527A1 (de) * 2002-05-07 2003-11-12 Sony Ericsson Mobile Communications AB Verfahren zum Laden einer Anwendung in einem Gerät, Gerät und Chipkarte dafür
US20040254890A1 (en) * 2002-05-24 2004-12-16 Sancho Enrique David System method and apparatus for preventing fraudulent transactions
US20030221109A1 (en) * 2002-05-24 2003-11-27 Pure Edge Solutions, Inc. Method of and apparatus for digital signatures
US7184985B2 (en) * 2002-05-30 2007-02-27 Microsoft Corporation Method, system, and apparatus for providing secure access to a digital work
US7200674B2 (en) * 2002-07-19 2007-04-03 Open Invention Network, Llc Electronic commerce community networks and intra/inter community secure routing implementation
US7047488B2 (en) * 2002-07-19 2006-05-16 Open Invention Network Registry driven interoperability and exchange of documents
US7469210B1 (en) 2002-08-08 2008-12-23 Voice Signature Llc Outbound voice signature calls
US7729922B2 (en) 2002-08-15 2010-06-01 Open Invention Network, Llc Dynamic interface between BPSS conversation management and local business management
ATE315859T1 (de) 2002-09-17 2006-02-15 Errikos Pitsos Verfahren und vorrichtung zur bereitstellung einer liste von öffentlichen schlüsseln in einem public-key-system
US20050005116A1 (en) * 2002-09-18 2005-01-06 Commerce One Operations, Inc. Dynamic interoperability contract for web services
US7444522B1 (en) 2002-09-18 2008-10-28 Open Invention Network, Llc Dynamic negotiation of security arrangements between web services
US7340508B1 (en) 2002-09-18 2008-03-04 Open Invention Network, Llc Exposing process flows and choreography controllers as web services
US7058660B2 (en) 2002-10-02 2006-06-06 Bank One Corporation System and method for network-based project management
US8301493B2 (en) 2002-11-05 2012-10-30 Jpmorgan Chase Bank, N.A. System and method for providing incentives to consumers to share information
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
KR100510129B1 (ko) * 2003-01-27 2005-08-26 삼성전자주식회사 팩시밀리 장치용 보안 시스템 및 팩시밀리용 보안 시스템을 이용한 문서 데이터 선택적 출력 방법
US20040208828A1 (en) * 2003-02-04 2004-10-21 Lutz Lehmann Enantiomer-pure (4S,8S)- and (4R,8R)-4-p-nitrobenzyl-8-methyl-3,6,9-triaza-3N,6N,9N-tricarboxymethyl-1,11-undecanedioic acid and derivatives thereof, process for their production and use for the production of pharmaceutical agents
DE10311634A1 (de) * 2003-03-14 2004-09-30 Authentidate International Ag Elektronisches Übermitteln von Dokumenten
US8261062B2 (en) * 2003-03-27 2012-09-04 Microsoft Corporation Non-cryptographic addressing
US9781154B1 (en) 2003-04-01 2017-10-03 Oracle International Corporation Systems and methods for supporting information security and sub-system operational protocol conformance
US10063523B2 (en) * 2005-09-14 2018-08-28 Oracle International Corporation Crafted identities
US10275723B2 (en) * 2005-09-14 2019-04-30 Oracle International Corporation Policy enforcement via attestations
AU2004239780B2 (en) * 2003-05-13 2009-08-27 Assa Abloy Ab Efficient and secure data currentness systems
AU2004251364B9 (en) * 2003-06-24 2010-09-23 Assa Abloy Ab Access control
US8468330B1 (en) 2003-06-30 2013-06-18 Oracle International Corporation Methods, systems, and data structures for loading and authenticating a module
US7500100B1 (en) 2003-09-10 2009-03-03 Cisco Technology, Inc. Method and apparatus for verifying revocation status of a digital certificate
JP4585189B2 (ja) * 2003-09-19 2010-11-24 富士通株式会社 電子署名付与装置、電子署名付与方法および電子署名付与プログラム
US8453196B2 (en) 2003-10-14 2013-05-28 Salesforce.Com, Inc. Policy management in an interoperability network
US20060184452A1 (en) * 2003-10-14 2006-08-17 Maccord Mason Pllc, Electronic document management system
JP2007511983A (ja) * 2003-11-19 2007-05-10 コアストリート、 リミテッド 分散委任されたパス発見及び検証
US8775654B2 (en) 2003-12-19 2014-07-08 Salesforce.Com, Inc. Apparatus and methods for mediating messages
WO2005067672A2 (en) 2004-01-09 2005-07-28 Corestreet, Ltd. Batch ocsp and batch distributed ocsp
AU2005210510B2 (en) * 2004-02-04 2006-06-29 Globecharge Pty Ltd A system and method for electronic commerce
US20090210348A1 (en) * 2004-02-04 2009-08-20 Steffan Gottfried Klein System and method for electronic commerce
JP4569118B2 (ja) * 2004-02-05 2010-10-27 株式会社日立製作所 署名検証ログを作成する検証結果記録方法とその装置
JP4036838B2 (ja) * 2004-03-12 2008-01-23 インターナショナル・ビジネス・マシーンズ・コーポレーション セキュリティ装置、情報処理装置、セキュリティ装置が実行する方法、情報処理装置が実行する方法、該方法を実行させるための装置実行可能なプログラムおよびチケット・システム
US7853790B2 (en) 2004-03-19 2010-12-14 Microsoft Corporation Enhancement to volume license keys
JP2005303779A (ja) * 2004-04-14 2005-10-27 Nippon Telegr & Teleph Corp <Ntt> 証明書発行サービス方法、証明書発行サービス装置及び証明書発行サービスプログラム
JP2005309780A (ja) * 2004-04-21 2005-11-04 Ntt Docomo Inc Icカード及び権限委譲制御方法
US7929689B2 (en) * 2004-06-30 2011-04-19 Microsoft Corporation Call signs
US7725605B2 (en) 2004-08-06 2010-05-25 Salesforce.Com, Inc. Providing on-demand access to services in a wide area network
US7711952B2 (en) * 2004-09-13 2010-05-04 Coretrace Corporation Method and system for license management
US8312431B1 (en) * 2004-09-17 2012-11-13 Oracle America, Inc. System and computer readable medium for verifying access to signed ELF objects
US9645712B2 (en) 2004-10-01 2017-05-09 Grand Central Communications, Inc. Multiple stakeholders for a single business process
JP4999300B2 (ja) * 2004-10-22 2012-08-15 株式会社リコー スキャン装置、スキャンサービス利用装置、認証サービス提供装置、スキャンサービスプログラム、スキャンサービス利用プログラム、認証サービスプログラム、記録媒体、スキャン方法、スキャンサービス利用方法及び認証サービス提供方法
US7205882B2 (en) * 2004-11-10 2007-04-17 Corestreet, Ltd. Actuating a security system using a wireless device
US8438645B2 (en) 2005-04-27 2013-05-07 Microsoft Corporation Secure clock with grace periods
FR2884089B1 (fr) * 2005-04-04 2007-05-18 Lex Persona Soc Par Actions Si Signature electronique renforcee
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
WO2007028407A1 (en) * 2005-09-06 2007-03-15 Nero Ag Method for signing a data package and signing apparatus
US8560853B2 (en) * 2005-09-09 2013-10-15 Microsoft Corporation Digital signing policy
FR2892252B1 (fr) * 2005-10-17 2008-01-25 Oberthur Card Syst Sa Procede et dispositif de creation d'une signature de groupe et procede et dispositif de verification d'une signature de groupe associes.
JP2007232754A (ja) * 2006-02-27 2007-09-13 Toshiba Corp ハッシュ値生成装置及びハッシュ値生成方法
WO2008054512A2 (en) * 2006-04-19 2008-05-08 Stepnexus Holdings Methods and systems for ic card application loading
US8086842B2 (en) * 2006-04-21 2011-12-27 Microsoft Corporation Peer-to-peer contact exchange
US8171523B2 (en) 2006-04-29 2012-05-01 Lenovo (Singapore) Pte. Ltd. Embedded email receiver authentication
US20080059803A1 (en) * 2006-09-06 2008-03-06 Zeon Corporation Method for the authentication of printed document
US9355273B2 (en) * 2006-12-18 2016-05-31 Bank Of America, N.A., As Collateral Agent System and method for the protection and de-identification of health care data
CN102592632B (zh) * 2007-02-23 2014-11-12 松下电器产业株式会社 内容提供者终端装置、认证站终端装置、内容提供方法以及程序认证方法
US20090031135A1 (en) * 2007-07-27 2009-01-29 Raghunathan Kothandaraman Tamper Proof Seal For An Electronic Document
JP4444998B2 (ja) * 2007-10-12 2010-03-31 富士通株式会社 電子メール情報管理プログラム、電子メール情報管理装置、および電子メール情報管理方法
US20090106331A1 (en) * 2007-10-22 2009-04-23 General Electric Company Dynamic two-stage clinical data archiving and retrieval solution
DE102008008969B4 (de) * 2008-02-13 2022-07-14 Bayerische Motoren Werke Aktiengesellschaft Bordnetz-System eines Kraftfahrzeugs mit einer Authentifizierungs-Vorrichtung
US8875013B2 (en) * 2008-03-25 2014-10-28 International Business Machines Corporation Multi-pass validation of extensible markup language (XML) documents
US8051012B2 (en) * 2008-06-09 2011-11-01 Hewlett-Packard Development Company, L.P. System and method for discounted printing
US7530106B1 (en) 2008-07-02 2009-05-05 Kaspersky Lab, Zao System and method for security rating of computer processes
US20100114607A1 (en) * 2008-11-04 2010-05-06 Sdi Health Llc Method and system for providing reports and segmentation of physician activities
US9141758B2 (en) * 2009-02-20 2015-09-22 Ims Health Incorporated System and method for encrypting provider identifiers on medical service claim transactions
US8635442B2 (en) 2009-04-28 2014-01-21 Adobe Systems Incorporated System and method for long-term digital signature verification utilizing light weight digital signatures
DE102009031143B3 (de) * 2009-06-30 2010-12-09 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Erstellen und Validieren eines digitalen Zertifikats
US9251131B2 (en) * 2010-05-04 2016-02-02 Docusign, Inc. Systems and methods for distributed electronic signature documents including version control
US20120011229A1 (en) * 2010-06-04 2012-01-12 Peter Heller Enhanced network/domain name hashing techniques
JP2012165293A (ja) * 2011-02-09 2012-08-30 Secom Co Ltd 電子署名装置及び署名検証装置
US9400974B2 (en) * 2011-09-02 2016-07-26 Jn Projects, Inc. Systems and methods for annotating and sending electronic documents
US8949954B2 (en) 2011-12-08 2015-02-03 Uniloc Luxembourg, S.A. Customer notification program alerting customer-specified network address of unauthorized access attempts to customer account
AU2012100460B4 (en) 2012-01-04 2012-11-08 Uniloc Usa, Inc. Method and system implementing zone-restricted behavior of a computing device
AU2012100462B4 (en) 2012-02-06 2012-11-08 Uniloc Usa, Inc. Near field authentication through communication of enclosed content sound waves
US11250423B2 (en) * 2012-05-04 2022-02-15 Institutional Cash Distributors Technology, Llc Encapsulated security tokens for electronic transactions
US9276749B2 (en) * 2012-07-31 2016-03-01 Adobe Systems Incorporated Distributed validation of digitally signed electronic documents
EP2757737A1 (de) * 2013-01-16 2014-07-23 Gemalto SA Verfahren zum Aufbau einer Unterstützungsstruktur öffentlicher Daten
AU2013100355B4 (en) 2013-02-28 2013-10-31 Netauthority, Inc Device-specific content delivery
JP2018516030A (ja) 2015-05-05 2018-06-14 ショカード、インコーポレイテッド ブロックチェーンを使用するid管理サービス
US9876646B2 (en) 2015-05-05 2018-01-23 ShoCard, Inc. User identification management system and method
US11392944B2 (en) * 2015-05-20 2022-07-19 Ripple Luxembourg S.A. Transfer costs in a resource transfer system
US10454689B1 (en) 2015-08-27 2019-10-22 Amazon Technologies, Inc. Digital certificate management
US9888037B1 (en) 2015-08-27 2018-02-06 Amazon Technologies, Inc. Cipher suite negotiation
US9912486B1 (en) * 2015-08-27 2018-03-06 Amazon Technologies, Inc. Countersigned certificates
US10694352B2 (en) 2015-10-28 2020-06-23 Activision Publishing, Inc. System and method of using physical objects to control software access
EP3424179B1 (de) 2016-03-04 2022-02-16 Ping Identity Corporation Verfahren und system für authentifizierte anmeldung mit statischen oder dynamischen codes
US10007826B2 (en) 2016-03-07 2018-06-26 ShoCard, Inc. Transferring data files using a series of visual codes
US10509932B2 (en) 2016-03-07 2019-12-17 ShoCard, Inc. Large data transfer using visual codes with feedback confirmation
US11436593B2 (en) * 2016-03-31 2022-09-06 Bitflyer Blockchain, Inc. Transaction processing device, transaction processing method, and program for same
KR102527854B1 (ko) * 2016-07-29 2023-04-28 매직 립, 인코포레이티드 암호화방식으로 싸인된 레코드들의 안전한 교환
US9838203B1 (en) * 2016-09-28 2017-12-05 International Business Machines Corporation Integrity protected trusted public key token with performance enhancements
US11281805B2 (en) * 2016-12-22 2022-03-22 Itext Group Nv Distributed blockchain-based method for saving the location of a file
US10498541B2 (en) 2017-02-06 2019-12-03 ShocCard, Inc. Electronic identification verification methods and systems
US10623188B2 (en) * 2017-04-26 2020-04-14 Fresenius Medical Care Holdings, Inc. Securely distributing medical prescriptions
US11170370B1 (en) * 2017-07-14 2021-11-09 Wells Fargo Bank, N.A. Systems and methods for distributed management of negative certificates for blockchain-based value exchange transactions
EP3721578B1 (de) 2017-12-08 2022-09-07 Ping Identity Corporation Verfahren und systeme zur rückgewinnung von daten unter verwendung dynamischer passwörter
US11082221B2 (en) 2018-10-17 2021-08-03 Ping Identity Corporation Methods and systems for creating and recovering accounts using dynamic passwords
US10979227B2 (en) 2018-10-17 2021-04-13 Ping Identity Corporation Blockchain ID connect
IT201900004201A1 (it) * 2019-03-22 2020-09-22 Carlo Tenca Metodo per realizzare un registro di documenti pubblici certificati con firma elettronica
US20200320622A1 (en) * 2019-04-05 2020-10-08 Secude Ag Method and system for processing and documenting digital transactions
US11170130B1 (en) 2021-04-08 2021-11-09 Aster Key, LLC Apparatus, systems and methods for storing user profile data on a distributed database for anonymous verification

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405829A (en) * 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4438824A (en) * 1981-04-22 1984-03-27 Siemens Corporation Apparatus and method for cryptographic identity verification
US4471163A (en) * 1981-10-05 1984-09-11 Donald Thomas C Software protection system
US4759064A (en) * 1985-10-07 1988-07-19 Chaum David L Blind unanticipated signature systems
US4759063A (en) * 1983-08-22 1988-07-19 Chaum David L Blind signature systems
US4799258A (en) * 1984-02-13 1989-01-17 National Research Development Corporation Apparatus and methods for granting access to computers
US4625076A (en) * 1984-03-19 1986-11-25 Nippon Telegraph & Telephone Public Corporation Signed document transmission system
US4633036A (en) * 1984-05-31 1986-12-30 Martin E. Hellman Method and apparatus for use in public-key data encryption system
DE3650533T2 (de) * 1985-02-14 1996-10-31 Nec Corp Funkübertragungssystem mit Einrichtung zur Verhinderung des Abhörens eines zwischen einer Feststation und einer mobilen Station übertragenen Funkübertragungssignals
US4771461A (en) * 1986-06-27 1988-09-13 International Business Machines Corporation Initialization of cryptographic variables in an EFT/POS network with a large number of terminals
FR2601795B1 (fr) * 1986-07-17 1988-10-07 Bull Cp8 Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme pour la mise en oeuvre
FR2620248B1 (fr) * 1987-09-07 1989-11-24 France Etat Procedes d'authentification d'accreditations ou de messages a apport nul de connaissance et de signature de messages
US4868877A (en) * 1988-02-12 1989-09-19 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US4888801A (en) * 1988-05-02 1989-12-19 Motorola, Inc. Hierarchical key management system
US4924515A (en) * 1988-08-29 1990-05-08 International Business Machines Coprporation Secure management of keys using extended control vectors

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AU620291B2 (en) 1992-02-13
ATE113429T1 (de) 1994-11-15
JPH02291043A (ja) 1990-11-30
DE69013541D1 (de) 1994-12-01
ES2036978T3 (es) 1995-01-01
CA2000400C (en) 1996-10-08
DE69030268D1 (de) 1997-04-24
EP0586022A1 (de) 1994-03-09
AU4242589A (en) 1990-09-13
ATE150605T1 (de) 1997-04-15
DE69013541T2 (de) 1995-03-09
EP0386867A2 (de) 1990-09-12
US5005200A (en) 1991-04-02
EP0386867A3 (de) 1992-06-10
ES2098651T3 (es) 1997-05-01
JP3520081B2 (ja) 2004-04-19
ES2036978T1 (es) 1993-06-16
DK0386867T3 (da) 1995-04-03
CA2000400A1 (en) 1990-09-07
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EP0386867B1 (de) 1994-10-26
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