Matches 351 - 400 out of 454 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6336585 Memory card insertion type electronic equipment and apparatus for writing to the memory card  
A memory card insertion type electronic equipment reads authentication data from a memory card, decodes the read authentication data to a set of information by using a secret key, and compares the...
6338138 Network-based authentication of computer user  
A network-based authentication scheme is provided that performs authentication in a centralized manner for the stand-alone computers of a particular organization. Since authentication is...
6314519 Secure messaging system overlay for a selective call signaling system  
A secure messaging system (900) generates a secure financial transaction message. A wireless selective call signaling system controller (102) receives the secure financial transaction message as a...
6298441 Secure document access system  
A method for downloading a document via a communications medium operatively associated with a communications interface, the method including receiving the document from the communications medium,...
6269445 Electronic shopping method, electronic shopping system and document authenticating method relating thereto  
An electronic shopping method is provided by both an apparatus 10 and an apparatus 30 to hold a key K(A, C) in common, and both the apparatus 30 and an apparatus 40 to hold a key K(B, C) in common....
6263446 Method and apparatus for secure distribution of authentication credentials to roaming users  
A roaming user needing an his authentication credential (e.g., private key) to access a computer server to perform an electronic transaction may obtain the authentication credential in an on-demand...
6253322 Electronic certification authentication method and system  
Certification and authentication services (electronic information signing and archiving services) are given when electronic commerce is carried out in an open network such as Internet. A system has...
6236981 Transaction system  
In a digital payment system, a sequence of random numbers is stored at a payment service. A set of digitally encoded random numbers derived from the stored sequence is issued to the user in return...
6233565 Methods and apparatus for internet based financial transactions with evidence of payment  
A system and methods for conducting Internet based financial transactions between a client and a server. The client has a processor, a printer, a client authentication module, a module for issuing...
6219423 System and method for digitally signing a digital agreement between remotely located nodes  
A digital arbitration system comprising a server node and at least one signatory node coupled together through a communication link. Each of the signatory node(s) may be configured with a unique...
6216227 Multi-venue ticketing using smart cards  
A system and methods are provided for storing and validating electronic tickets for multiple venues on a single smart card. In accordance with this present embodiment, an operating system of the...
6192349 Smart card mechanism and method for obtaining electronic tickets for goods services over an open communications link  
A smart card, (a type of credit card containing storage capacity and processing ability preferably in the form of a microprocessor), is used to store an electronic ticket provided from the service...
6192473 System and method for mutual authentication and secure communications between a postage security device and a meter server  
A method is provided for establishing mutual authentication and secure communications between an microprocessor-based transaction evidencing device and a microprocessor-based server coupled...
6175921 Tamper-proof devices for unique identification  
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...
6173401 Importing information onto a chip card  
The invention relates to a method of importing information, in particular application information, onto a chip card which has a memory with a directory. The information being transferred onto the...
6173403 Method and apparatus for distributing information products  
A method and apparatus for distributing information products is described that comprises: receiving an encrypted launch code; decrypting the encrypted launch code with a string, R, as the key to...
6173282 Electronic sealed envelope  
Restricted data is stored on a smart card having a memory and a processor. Preferably the restricted data is stored in groups. The smart card may store a record of users authorized to access...
6170057 Mobile computer and method of packet encryption and authentication in mobile computing based on security policy of visited network  
A mobile computer and a packet encryption and authentication method which are capable of controlling an activation of a packet encryption and authentication device belonging to the mobile computer...
6167521 Securely downloading and executing code from mutually suspicious authorities  
An apparatus, system and method for secure code-downloading and information exchange, in the full generality of complex code dependencies while considering the implications of mutual distrust and...
6161183 Data verifying method apparatus for creating data to be verified and data verifying apparatus  
A token 12 creates utilization history information and sends the information to an information processing unit 11 and simultaneously creates an verification value and stores the value in a...
6157920 Executable digital cash for electronic commerce  
The invention provides techniques for implementing secure transactions using an instrument referred to as "executable digital cash." In an illustrative embodiment, a first user generates a piece of...
6134659 Controlled usage software  
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...
6122625 Apparatus and method for secure transacting  
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...
6111953 Method and apparatus for authenticating a document  
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...
6088797 Tamper-proof electronic processing device  
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...
6076078 Anonymous certified delivery  
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...
6073237 Tamper resistant method and apparatus  
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...
6055518 Secure auction systems  
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...
6049788 System with portable terminal and data media connectable therewith  
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...
6028937 Communication device which performs two-way encryption authentication in challenge response format  
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...
6023689 Method for secure communication in a telecommunications system  
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...
6005939 Method and apparatus for storing an internet user's identity and access rights to world wide web resources  
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...
6003764 Method of securely storing and retrieving monetary data  
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...
6003765 Electronic cash implementing method with a surveillance institution, and user apparatus and surveillance institution apparatus for implementing the same  
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...
5991412 Method for protectedly debiting an electronic payment means  
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...
5991411 Method and means for limiting adverse use of counterfeit credit cards, access badges, electronic accounts or the like  
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...
5991413 Process for the acceptance of a virtual prepaid card use request permitting the reuse of its serial number  
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...
5943423 Smart token system for secure electronic transactions and identification  
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...
5937068 System and method for user authentication employing dynamic encryption variables  
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...
5923759 System for securely exchanging data with smart cards  
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...
5917913 Portable electronic authorization devices and methods therefor  
A portable electronic authorization device for approving a transaction request originated from an electronic transaction system. The portable electronic authorization device includes first logic...
5917909 System for testing the authenticity of a data carrier  
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...
5915021 Method for secure communications in a telecommunications system  
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...
5887065 System and method for user authentication having clock synchronization  
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...
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  
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...
5825875 Process for loading a protected storage zone of an information processing device, and associated device  
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...
5825882 Encryption and authentication method and circuit for synchronous smart card  
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...
5799085 Method of effecting mutual authentication  
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...
5757918 Method and apparatus for user and security device authentication  
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...
5745571 Cryptographic communications method and system  
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...
Matches 351 - 400 out of 454 < 1 2 3 4 5 6 7 8 9 10 >