| 7039617 |
Currency and float ID tracking in an electronic purse |
| May-2-2006 |
The present invention relates to electronic purse systems, and in particular it relates to the improved management of multiple money flows in such systems. According to the basic principles of the present... |
| 7035831 |
Reversible generation process of altered payment card by means of a mathematical algorithm |
| Apr-25-2006 |
The process consists of carrying out the first phase of generating the transaction signature (9), with prior authentication by the cardholder, in the issuing centre (3) through its authentication... |
| 7013296 |
Using electronic security value units to control access to a resource |
| Mar-14-2006 |
A network utilizes electronic security value units to prevent unauthorized access to resources in the network. The network includes at least a resource manager and an electronic bank server (e.g., the... |
| 6993134 |
Key exchange via a portable remote control device |
| Jan-31-2006 |
The communications means that are commonly provided for the remote control of electronic components are utilized to effect an exchange of parameters to facilitate a cryptographic key exchange. The bidirectional... |
| 6970852 |
Methods and apparatus for conducting secure, online monetary transactions |
| Nov-29-2005 |
A system, method, and apparatus for conducting secure monetary transactions over a communications network is provided. The invention facilitates secure monetary and financial transactions over the Internet... |
| 6970851 |
System and method of configuring value cards |
| Nov-29-2005 |
A system and method of configuring value cards which facilitates selection of personalized limits on value card use in transactions. The value card configuration system includes a display for displaying... |
| 6959388 |
Method for generating many-time restrictive blind signatures |
| Oct-25-2005 |
A multiple use ticket generating method is disclosed which enables a recipient to obtain signatures for arbitrarily many (correctly formed) messages after only one interaction with the signer. The method... |
| 6938020 |
Memory rental service system in intelligent authentication unit |
| Aug-30-2005 |
The present invention is to provide a memory rental service system in an intelligent authentication unit, the system allowing an application operating entity to setup or change any application freely and... |
| 6938019 |
Method and apparatus for making secure electronic payments |
| Aug-30-2005 |
In accordance with the present invention, consumers and merchants use computing devices connected to a network, such as the Internet, through wired and wireless means, wherein the consumer connects to... |
| 6934855 |
Remote administration of smart cards for secure access systems |
| Aug-23-2005 |
A method for remote administration of at least one smart card via a communication network is described. The method includes the steps of associating the at least one smart card with a remote administrator... |
| 6934843 |
Method for authenticating at least one subscriber during a data interchange |
| Aug-23-2005 |
A method for authenticating at least one subscriber during a data interchange between at least two subscribers is described. In the method, a first subscriber transmits a first data item (a challenge signal)... |
| 6931382 |
Payment instrument authorization technique |
| Aug-16-2005 |
A method is provided for protecting a payment instrument in non-face-to-face transactions. The payment instrument is issued by an issuing entity and associated with an authorized instrument holder. The... |
| 6928547 |
System and method for authenticating users in a computer network |
| Aug-9-2005 |
A rule based biometric user authentication method and system in a computer network environment is provided. Multiple authentication rules can exist in the computer network. For example, there may be a... |
| 6880084 |
Methods, systems and computer program products for smart card product management |
| Apr-12-2005 |
Methods, systems and computer program products are provided for managing a smart card product by providing a plurality of generic definitions, at least a portion of which have a predefined relationship... |
| 6848050 |
System and method for alternative encryption techniques |
| Jan-25-2005 |
A system and method for verifying the identification of a user and securely establishing an encryption key for a communication between the user and a verifying entity, such as a bank, which makes use of... |
| 6829596 |
Account/asset activation device and method |
| Dec-7-2004 |
An asset/account activation device and method are provided. According to a first preferred method, an asset may be activated by a point of sale device utilizing multiple security mechanisms. Activation... |
| 6810479 |
System and method for configuring and managing resources on a multi-purpose integrated circuit card using a personal computer |
| Oct-26-2004 |
A computerized system offers a uniform platform for conducting electronic transactions in multiple different environments. The system includes a portable, multi-purpose, integrated circuit (IC) card and... |
| 6775775 |
Method of physical individual authentication and system using the same |
| Aug-10-2004 |
An authentication system for authenticating a particular individual using a recording medium containing information for identifying the individual has a recording medium issuing apparatus including, a... |
| 6748367 |
Method and system for effecting financial transactions over a public network without submission of sensitive information |
| Jun-8-2004 |
A method and system for effecting a financial transaction over a public network without the submission of sensitive information. The system comprises a common controller in data communication with at least... |
| 6711685 |
System and procedure for protection against the analytical espionage of secret information |
| Mar-23-2004 |
The invention presented describes a system and procedure for protecting against the espionage of secret information. A counter is allocated to each secret piece of information, in particular codes. The... |
| 6678666 |
Method of conducting anti-fraud electronic bank security transactions having price-date-time variables and calculating apparatus thereof |
| Jan-13-2004 |
A method of computing and verifying an authorization code for a transaction. The method includes creating an algebraic formula and storing the formula in a validation unit and a calculating apparatus.... |
| 6658566 |
Process for storage and use of sensitive information in a security module and the associated security module |
| Dec-2-2003 |
The invention relates to a process for storing and using sensitive information in a security module and to a security module arranged to implement the process, and protect the sensitive information against... |
| 6612490 |
Extended card file system |
| Sep-2-2003 |
An Extended SmartCard file system is proposed which resides in one flat file within the ISO file system of a SmartCard. A second file containing user information like size of the file system, owner information,... |
| 6539364 |
Electronic cash implementing method and equipment using user signature and recording medium recorded thereon a program for the method |
| Mar-25-2003 |
A user registers a user public key PKU as a pseudonym at a trustee or issuer and obtains an signature for the pseudonym as a license. The sends the pseudonym, PKU identification information IdU and the... |
| 6484259 |
Methods and arrangements for mapping widely disparate portable tokens to a static machine concentric cryptographic environment |
| Nov-19-2002 |
Various methods and arrangements are provided to form an interface that allows portable token devices to be used within static machine concentric cryptographic environments. One example of a portable token... |
| 6425084 |
Notebook security system using infrared key |
| Jul-23-2002 |
A multilevel infrared (IR) type security system prevents unauthorized use of a computer. A program resident on the computer implements a user-validation procedure. An IR key device carries a first serial... |
| 6422459 |
Method and system for off-line loading of stored value cards using a batch-load terminal |
| Jul-23-2002 |
A method and system for batch loading a stored value application of a microprocessor based stored value card includes a stored value card reader/writer connected to a local computer device and a batch-load... |
| 6402026 |
Smart card and method for bidirectional data transfer between a terminal and a smart card |
| Jun-11-2002 |
A method for bidirectional data transfer between a terminal and a smart card with a purse function comprises writing a transfer value from the terminal to a balance-of-account memory of the smart card,... |
| 6401205 |
Infrared type security system for a computer |
| Jun-4-2002 |
In an infrared (IR) type computer security system, each authorized user is provided with an IR key device that holds a serial number and an encryption key. A validation record stored on the computer's... |
| 6263446 |
Method and apparatus for secure distribution of authentication credentials to roaming users |
| Jul-17-2001 |
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 fashion... |
| 6260144 |
Method for verifying the expected postal security device in a postage metering system |
| Jul-10-2001 |
A PSD has a private key which is associated with a specific public key that is stored in the host PC. The host PC sends the PSD public key private key to the PSD. If the PSD determines that the received... |
| 6243812 |
Authentication for secure devices with limited cryptography |
| Jun-5-2001 |
Authentication is provided for secure devices with limited cryptography, particularly for devices which do not have the capability to do public-key cryptography and generate random numbers. An initialization... |
| 6234389 |
PCMCIA-based point of sale transaction system |
| May-22-2001 |
The present invention provides a PCMCIA-compliant generic laptop computer or personal digital assistant ("PDA") device with an add-on module that together with the device forms a portable point of sale... |
| 6199762 |
Methods and apparatus for dynamic smartcard synchronization and personalization |
| Mar-13-2001 |
A system generally for personalizing and synchronizing smartcard data in the context of a distributed transaction system is disclosed. A dynamic smartcard synchronization system comprises access points... |
| 6192130 |
Information security subscriber trust authority transfer system with private key history transfer |
| Feb-20-2001 |
A first trusted authority, such as an originating certification authority, that stores key history data, such as private decryption keys for one or more subscribers, includes a key history exportation... |
| 6173403 |
Method and apparatus for distributing information products |
| Jan-9-2001 |
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 recover... |
| 6128391 |
Method and apparatus for asymetric key management in a cryptographic system |
| Oct-3-2000 |
A method and apparatus for asymmetrical key management in a cryptographic system is provided. Embodiments of the invention implement varying levels of diversification to manage the encryption keys. In... |
| 6105008 |
Internet loading system using smart card |
| Aug-15-2000 |
An architecture and system loads and uses a smart card for payment of goods and/or services purchased on-line over the Internet. A client module on a client terminal controls the interaction with a consumer... |
| 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... |
| 6038551 |
System and method for configuring and managing resources on a multi-purpose integrated circuit card using a personal computer |
| Mar-14-2000 |
A computerized system offers a uniform platform for conducting electronic transactions in multiple different environments. The system includes a portable, multi-purpose, integrated circuit (IC) card and... |
| 5960082 |
Post-initialization of chip cards |
| Sep-28-1999 |
The invention relates to the post-initialization of a chip card which has a processor, a non-volatile memory and an operating system with operating commands which may be utilized in a user mode. A key... |
| 5949880 |
Transfer of valuable information between a secure module and another module |
| Sep-7-1999 |
The present invention relates to system, apparatus and method for communicating valuable data from a portable module to another module via an electronic device. More specifically, the disclosed system,... |
| 5907616 |
Method for accessing a portion of the data on a microprocessor card |
| May-25-1999 |
A method for accessing at least a portion of the data on a microprocessor card, such as a Subscriber Identity Module (SIM) card having at least one freely accessible card number for use with mobile phones.... |
| 5841866 |
Secure token integrated circuit and method of performing a secure authentication function or transaction |
| Nov-24-1998 |
A method of operating a circuit such as an integrated circuit carried on a plastic card which includes the steps of accepting a challenge, and generating a first response to the challenge using a first... |
| 5832090 |
Radio frequency transponder stored value system employing a secure encryption protocol |
| Nov-3-1998 |
An encryption method and stored value system comprising a host computer, a reader/writer that communicates with the host computer, and an RF transponder that communicates with the reader/writer. The transponder... |
| 5805702 |
Method, apparatus, and system for transferring units of value |
| Sep-8-1998 |
The present invention relates to an electronic module used for secure transactions. More specifically, the electronic module is capable of passing encrypted information back and forth between a service... |
| 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... |
| 5729717 |
IC card and issuing apparatus allowing multiple applications |
| Mar-17-1998 |
A card contains an IC chip having a CPU, a memory, etc. When the card is inserted into a terminal device, it is connected to a host computer. Under this condition, the data in the memory of the IC card... |
| 5668878 |
Secure cryptographic methods for electronic transfer of information |
| Sep-16-1997 |
Cryptographic methods and apparatus are disclosed relating to practical cryptographic systems for electronic transfer of information. Specifically, inventive techniques are described to allow the use of... |
| 5615381 |
Security for a data processing system having multiple distinct program instruction sections |
| Mar-25-1997 |
An IC card has a CPU and a memory for storing first and second programs. The CPU executes a plurality of instruction in accordance with the first and second programs. The second program is provided by... |