US Patent No: 5,214,700

Number of patents in Portfolio can not be more than 2000

Method for obtaining a securitized cleartext attestation in a distributed data processing system environment

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Abstract

A method for obtaining at least one securitized cleartext attestation by at least one requestor subject coupled to a data processing system and communicating with each other through a network. The data processing system includes a plurality of subjects and an authority represented by at least one server acting on behalf of the authority and issuing attestations. The requestor subject sends the authority an attestation request including at least one protection datum. The requestor subject chooses, at random, a check datum which is associated and linked with the protection datum. The requestor subject then transmits, in cleartext, to the authority both a piece of identification information defining the relationship between the check datum and the protection datum, and the protection datum itself. The server organizes the attestation in the form of binary information and calculates at least one of a signature and a seal of attestation taking into account the protection datum and the identification information. The server then transmits the sealed or signed attestation, in cleartext, to the requestor subject A method for providing a chaining value for the check datum when multiple subjects request sequential attestation of a message is also provided.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BULL S.A.PARIS342

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caille, Philippe Gambais, FR 1 78
Pinkas, Denis Chaville, FR 5 203

Cited Art

Patent Info (Count) # Cites Year
 
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4,935,962 Method and system for authentication 133 1989
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
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JONES FUTUREX, INC. A CORP. OF COLORADO (1)
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RELIANCE ELECTRIC TECHNOLOGIES, LLC (1)
6,172,436 Seal arrangement for an electric motor 5 1999
 
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4,919,545 Distributed security procedure for intelligent networks 146 1988
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
4,868,877 Public key/signature cryptosystem with enhanced digital signature certification 363 1988
4,941,173 Device and method to render secure the transfer of data between a videotex terminal and a server 25 1988
5,005,200 Public key/signature cryptosystem with enhanced digital signature certification 342 1989

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
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7,860,789 Multiple account advanced payment card and method of routing card transactions 6 2002
7,801,816 System and method for currency selectable stored value instrument 1 2003
8,239,304 Method and system for providing pre-approved targeted products 1 2003
7,676,425 Method and system for providing flexible financing 15 2003
8,306,907 System and method for offering risk-based interest rates in a credit instrument 1 2003
7,953,663 System and method for financial instrument pre-qualification and offering 3 2003
7,809,595 System and method for managing risks associated with outside service providers 3 2003
7,707,111 Customer activated multi-value (CAM) card 22 2004
7,363,273 Debit purchasing of stored value card for use by and/or delivery to others 14 2004
7,756,896 System and method for multi-dimensional risk analysis 19 2005
7,660,763 Customer activated multi-value (CAM) card 15 2005
7,401,731 Method and system for implementing a card product with multiple customized relationships 46 2005
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7,809,642 Debit purchasing of stored value card for use by and/or delivery to others 4 2006
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7,784,682 System and method for granting promotional rewards to both customers and non-customers 2 2006
7,505,918 Method and system for managing risks 2 2006
7,753,259 System and method for granting promotional rewards to both customers and non-customers 16 2006
7,357,331 Selectable multi-purpose card 39 2006
7,603,283 Method and system for managing risk 3 2007
7,805,368 Debit purchasing of stored value card for use by and/or delivery to others 3 2007
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8,417,601 Variable rate payment card 0 2007
8,033,451 System and method for funding a collective account by use of an electronic tag 0 2007
7,809,643 Debit purchasing of stored value card for use by and/or delivery to others 3 2007
7,890,422 Multiple account advanced payment card and method of routing card transactions 9 2008
8,245,909 Method and system for implementing a card product with multiple customized relationships 1 2008
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7,926,711 System and method for granting promotional rewards to both customers and non-customers 3 2009
8,408,455 System and method for granting promotional rewards to both customers and non-customers 0 2009
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BANKERS TRUST CORPORATION (3)
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INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
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MICROSOFT CORPORATION (3)
6,367,012 Embedding certifications in executable files for network transmission 155 1996
6,253,324 Server verification of requesting clients 29 1997
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FRAUD CONTROL SYSTEMS.COM CORPORATION (2)
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5,926,549 Process for verifying the preservation of the integrity of an unprotected request sent by a client to a server by verifying the integrity of the response 38 1997
 
CHASE BANK USA, NATIONAL ASSOCIATION (1)
7,747,463 Debit purchasing of stored value card for use by and/or delivery to others 11 2008
 
CRYPTOMATHIC A/S (1)
7,505,945 Electronic negotiable documents 0 2000
 
ERICSSON BUSINESS NETWORKS AB (1)
5,790,074 Automated location verification and authorization system for electronic devices 79 1996
 
INTERNET COMMERCE SERVICES CORPORATION (1)
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MICALI, SILVIO (1)
6,137,884 Simultaneous electronic transactions with visible trusted parties 42 1997
 
NOKIA CORPORATION (1)
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6,952,475 Method and arrangement for the computer-aided exchange of cryptographic keys between a first computer unit and a second computer unit 7 1999
 
VINOD KHOSLA (1)
5,884,277 Process for issuing coupons for goods or services to purchasers at non-secure terminals 119 1995
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (4)
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6,026,163 Distributed split-key cryptosystem and applications 59 1996
8,447,670 Universal payment protection 0 2009
8,447,672 Universal payment protection 0 2011