| 6134659 |
Controlled usage software |
| Oct-17-2000 |
The present invention provides a new and novel system and method for protecting a computer software program from unauthorized use and/or copying. In a preferred embodiment of the invention, each embodiment... |
| 6122625 |
Apparatus and method for secure transacting |
| Sep-19-2000 |
An improved monetary system using electronic media to exchange economic value securely and reliably. The invention provides a complete monetary system having electronic money that is interchangeable with... |
| 6111953 |
Method and apparatus for authenticating a document |
| Aug-29-2000 |
A system is described whereby a document may be authenticated by an issuer thereof and verified by a recipient. Data from the document, at least a portion of which is specific to the document and identifies... |
| 6088797 |
Tamper-proof electronic processing device |
| Jul-11-2000 |
A system for open electronic commerce having a customer trusted agent securely communicating with a first money module, and a merchant trusted agent securely communicating with a second money module. Both... |
| 6078888 |
Cryptography security for remote dispenser transactions |
| Jun-20-2000 |
The invention relates to providing secure transactions with a tag and POS device associated with a host network authorization system. In doing so, the tag is adapted to bi-directionally communicate with... |
| 6076078 |
Anonymous certified delivery |
| Jun-13-2000 |
A number of fault-tolerant methods for purchasing digital goods with a digital token over a network in which the token's value resides either with a customer or a merchant are disclosed. One version of... |
| 6073237 |
Tamper resistant method and apparatus |
| Jun-6-2000 |
A method for securing data in a tamper resistant fashion on a computer connected to a network. The presence of a user on a network is established using one protocol with routine operations conducted by... |
| 6055518 |
Secure auction systems |
| Apr-25-2000 |
The apparatus and method of the present invention provide secure auction service for use in a network having servers and bidding terminals. The auction service makes transactions among servers and bidding... |
| 6049788 |
System with portable terminal and data media connectable therewith |
| Apr-11-2000 |
Portable data media are known of which many have the uniform format of a standardized credit card and which are used in different ways for monetary transactions, preferably for the cash-less payment of... |
| 6028937 |
Communication device which performs two-way encryption authentication in challenge response format |
| Feb-22-2000 |
A supplier device 70 which supplies title data is equipped with a encryption module 74 for performing an encryption which is substitutive in nature and the user device 90 which uses the title data is equipped... |
| 6023689 |
Method for secure communication in a telecommunications system |
| Feb-8-2000 |
A method for sending a secure message in a telecommunications system utilizing public encryption keys. All authentication parameters of each of the users, including each user's decryption key that is known... |
| 6005939 |
Method and apparatus for storing an internet user's identity and access rights to world wide web resources |
| Dec-21-1999 |
A method and apparatus for obtaining user information to conduct secure transactions on the Internet without having to re-enter the information multiple times is described. The method and apparatus can... |
| 6003765 |
Electronic cash implementing method with a surveillance institution, and user apparatus and surveillance institution apparatus for implementing the same |
| Dec-21-1999 |
A method for implementing an electronic cash system with a surveillance institution, in which a user sends a request for the issuance of electronic cash of a face value X to a bank together with user information... |
| 6003764 |
Method of securely storing and retrieving monetary data |
| Dec-21-1999 |
A method of securely storing and retrieving monetary values, such as electronic checks and electronic coins. In an interactive protocol between an issuer (e.g., a bank terminal) and a recipient (e.g.,... |
| 5991413 |
Process for the acceptance of a virtual prepaid card use request permitting the reuse of its serial number |
| Nov-23-1999 |
The present invention relates to a process for accepting a request for use of a virtual prepaid card involving the following stages: a user of a virtual prepaid card is connected to a server containing... |
| 5991412 |
Method for protectedly debiting an electronic payment means |
| Nov-23-1999 |
The invention relates to a method for protected transactions involving a so-called smart card and a terminal, such as a cash register. In order to prevent the smart card from simultaneously carrying out... |
| 5991411 |
Method and means for limiting adverse use of counterfeit credit cards, access badges, electronic accounts or the like |
| Nov-23-1999 |
A system for rejecting second and subsequent copies of an informationally-equivalent card or badge asserted into a client/server system by processing only those cards having transaction histories recorded... |
| 5963648 |
Electronic-monetary system |
| Oct-5-1999 |
An electronic-monetary system having (1) banks or financial institutions that are coupled to a money generator device for generating and issuing to subscribing customers electronic money including electronic... |
| 5943423 |
Smart token system for secure electronic transactions and identification |
| Aug-24-1999 |
Smart token technology, using a smart card, PCMCIA card or any other medium containing storage or processing capability is used to facilitate a variety of secure business transactions, including those... |
| 5937068 |
System and method for user authentication employing dynamic encryption variables |
| Aug-10-1999 |
The system includes a first card-like unit adapted to communicate with a second unit giving only conditionally access to a function. Both units are capable of running software for generating a password... |
| 5923759 |
System for securely exchanging data with smart cards |
| Jul-13-1999 |
A card-enabled processing system comprises a security module for securely exchanging data with cards, such as smart cards, and an application module for processing data from the smart cards. The security... |
| 5917913 |
Portable electronic authorization devices and methods therefor |
| Jun-29-1999 |
A portable electronic authorization device for approving a transaction request originated from an electronic transaction system. The portable electronic authorization device includes first logic circuit... |
| 5917909 |
System for testing the authenticity of a data carrier |
| Jun-29-1999 |
A system for testing the authenticity of a data carrier determines the physical property of the data carrier from an irreversibly adjustable electric state of a circuit present separately on the integrated... |
| 5915021 |
Method for secure communications in a telecommunications system |
| Jun-22-1999 |
A method for sending a secure message in a telecommunications system utilizing public encryption keys. All authentication parameters of each of the users, including each user's decryption key that is known... |
| 5907832 |
Method of debiting an electronic payment means |
| May-25-1999 |
The invention provides a method for protectedly debiting an electronic payment mechanism, such as a telephone card. In the communication protocol between the payment mechanism and payment station, an authentication... |
| 5887065 |
System and method for user authentication having clock synchronization |
| Mar-23-1999 |
The system includes a first unit adapted to communicate with a second unit. The second unit grants conditional access to a function or service in accordance with an authentication operation. Both units... |
| 5867577 |
Method and apparatus for authenticating a data carrier intended to enable a transaction or access to a service or a location, and corresponding carrier |
| Feb-2-1999 |
A method and an apparatus for authenticating a data carrier enables a transaction or access to a service or a location, and the corresponding carrier. The carrier (1) has a specific number (Ns) and an... |
| 5825882 |
Encryption and authentication method and circuit for synchronous smart card |
| Oct-20-1998 |
Encryption circuits and methods, in particular for smart cards, are disclosed. Smart cards without microprocessors may be authenticated very simply by using encryption with a secret card data table on... |
| 5825875 |
Process for loading a protected storage zone of an information processing device, and associated device |
| Oct-20-1998 |
The invention relates to a process for loading a protected storage zone of an information processing device, with confidential data and/or programs, and to the associated information processing device.... |
| 5799085 |
Method of effecting mutual authentication |
| Aug-25-1998 |
A random number generated from a host device upon a first mutual authentication or a random number obtained by processing the generated random number is stored in a random number storage area of an IC... |
| 5757918 |
Method and apparatus for user and security device authentication |
| May-26-1998 |
A new process is described for verifying a user and/or authenticating a smart card in an off-line computer environment with limited a priori knowledge on the part of the verifier. This process advantageously... |
| 5745571 |
Cryptographic communications method and system |
| Apr-28-1998 |
A method for loading secret data, such as an application key, on a smart card (6), which involves storing a random key on the card (6), encrypting the random key on the basis of a public key, and providing... |
| 5740244 |
Method and apparatus for improved fingerprinting and authenticating various magnetic media |
| Apr-14-1998 |
A method and apparatus is disclosed for determining the remanent noise in a magnetic medium by, for example, DC saturation of a region thereof and measurement of the remaining DC magnetization. A conventional... |
| 5737423 |
Old modified smart card or similar apparatus having a remote inspection capability |
| Apr-7-1998 |
An apparatus and method for remote inspection of a smart card or similar apparatus. A smart card includes an antenna and receiver for receiving transmitted messages and a display. The smart card responds... |
| 5737421 |
System for controlling access to a function having clock synchronization |
| Apr-7-1998 |
The system includes a first card-like unit adapted to communicate with a second unit. The second unit grants conditional access to a function or service in accordance with an authentication operation.... |
| 5721781 |
Authentication system and method for smart card transactions |
| Feb-24-1998 |
An authentication system includes a portable information device, such as a smart card, that is configured to store and process multiple different applications. The smart card is assigned its own digital... |
| 5671280 |
System and method for commercial payments using trusted agents |
| Sep-23-1997 |
A system for electronic commercial payment is provided having a customer trusted agent associated with a first money module, a merchant trusted agent that establishes a first cryptographically secure session... |
| 5590197 |
Electronic payment system and method |
| Dec-31-1996 |
A cyber wallet in the form of stored and protected account information, which may be "carried" on a tamper resistant portable electronic storage medium such as a smartcard, or stored on the customer's... |
| 5581615 |
Scheme for authentication of at least one prover by a verifier |
| Dec-3-1996 |
A new procedure for authentication of at least one prover by a verifier, the authentication being based on public and secret key cryptographic techniques and making use of a zero-knowledge protocol. In... |
| 5577121 |
Transaction system for integrated circuit cards |
| Nov-19-1996 |
A transaction system and method of conducting a transaction between in integrated circuit (IC) card and a transaction terminal which includes a security module comprises establishing communication between... |
| 5550919 |
Method and device for limiting the number of authentication operations of a chip card chip |
| Aug-27-1996 |
To resolve the problems related to the divulgation of the algorithms for the transcoding of the secret codes in chip cards, notably prepayment type chip cards, it is planned to limit the number of authentication... |
| 5534857 |
Method and system for secure, decentralized personalization of smart cards |
| Jul-9-1996 |
A method and apparatus for securely writing confidential data from an issuerer to a customer smart card at a remote location includes, establishing a communication link between a retailer data terminal... |
| 5526428 |
Access control apparatus and method |
| Jun-11-1996 |
An improved access control apparatus, method, and system are disclosed to enhance the security of information in cards of the type having data storage and functions which are not accessible without verification... |
| 5502765 |
Method and apparatus for settlement of accounts by IC cards |
| Mar-26-1996 |
An IC card has a card information memory area wherein there are written a master public key nA, card secret keys pU and qU, a card public key nU, a card identification number IDU, and a first master digital... |
| 5483597 |
Authentication process for at least one identification device using a verification device and a device embodying the process |
| Jan-9-1996 |
A a process for the authentication of at least one identification device by a verification device. In this process, authentication is done by a zero knowledge input protocol based on the decoding by syndrome... |
| 5479511 |
Method, sender apparatus and receiver apparatus for modulo operation |
| Dec-26-1995 |
An access control system involves a first cryptographic device communicating with a second cryptographic device using a modulo-based protocol. To transmit a message from the first device to the second... |
| 5473689 |
Method for authentication between two electronic devices |
| Dec-5-1995 |
A method for authentication between two electronic devices includes generating at least two random numbers; transmitting the two random numbers, so that both are available in both a first and a second... |
| 5453601 |
Electronic-monetary system |
| Sep-26-1995 |
An improved monetary system using electronic media to exchange economic value securely and reliably. The invention provides a complete monetary system having electronic money that is interchangeable with... |
| 5440634 |
Value transfer system |
| Aug-8-1995 |
A plurality of electronic purses communicate with each other to transfer values in transactions off-line from a main computer. A transfer message protocol of a transaction between electronic purses includes... |
| 5436971 |
Method of and circuit arrangement for checking a smart card |
| Jul-25-1995 |
Prepaid smart cards which serve to procure services, for example from a public telephone, comprise a memory for value units which are debited in conformity with the service procured, i.e. are marked as... |
