| 6405319 |
Verification system for information transfers over a computer network |
| Jun-11-2002 |
A system for validating network communication, such as e-mail. A person sending information to a previously unverified recipient first enters "Address Book" information about the unverified recipient into... |
| 6859878 |
Universal userid and password management for internet connected devices |
| Feb-22-2005 |
An improved system, method, and computer program product is provided to manage userid/password combinations by utilizing a universally accessible Internet location. This site stores and manages an encrypted... |
| 7006267 |
Techniques for high fidelity quantum teleportation and computing |
| Feb-28-2006 |
Techniques for high fidelity quantum teleportation include receiving an input photon representing a qubit. Ancilla photons are generated in a particular ancilla quantum state chosen to reduce a rate of... |
| 6895091 |
Systems and methods for encryption key archival and auditing in a quantum-cryptographic communications network |
| May-17-2005 |
A system archives encryption keys used for encrypting information in a network (105). The system includes a plurality of nodes configured to collect one or more encryption keys generated at each node and... |
| 6061454 |
System, method, and computer program for communicating a key recovery block to enable third party monitoring without modification to the intended receiver |
| May-9-2000 |
A method is disclosed for communicating a key recovery block from a sender to a non-enabled receiver, without the danger of throwing the receiver into an indeterminant state, and without modifying the... |
| 6874089 |
System, method and computer program product for guaranteeing electronic transactions |
| Mar-29-2005 |
A system, method and computer program product for guaranteeing a data transaction over a network are disclosed. When a data transaction between at least a server and a client is detected on a network,... |
| 5898680 |
System for providing location-specific data to a user |
| Apr-27-1999 |
An FDMA/TDM satellite-based digital broadcast system is used to provide digital maps and other types of data to users at remote locations. User selection of the desired data is achieved by monitoring the... |
| 6223288 |
System for persistently encrypting critical software file to prevent installation of software program on unauthorized computers |
| Apr-24-2001 |
A data encryption/decryption system is provided which encrypts a critical file to a software program using an embedded executable. The executable programs a user computer to prompt a user to purchase a... |
| 6708157 |
System for controlling the distribution and use of digital works using digital tickets |
| Mar-16-2004 |
A system for controlling the distribution and use of digital works using digital tickets. In the present invention, a "digital ticket" is used to entitle the ticket holder to exercise some usage right... |
| 6058193 |
System and method of verifying cryptographic postage evidencing using a fixed key set |
| May-2-2000 |
A method for controlling keys used in the verification of encoded information generated by a transaction evidencing device and printed on a document comprises the steps of generating a plurality of random... |
| 6169805 |
System and method of operation for providing user's security on-demand over insecure networks |
| Jan-2-2001 |
Secure communication may be conducted between two or more parties over a network, e.g the Internet without prior security arrangements among the parties or agreed to encryption/decryption software. A sending... |
| 7024553 |
System and method for updating encryption key for wireless LAN |
| Apr-4-2006 |
System for updating an encrypted key, by means of which the WEP of IEEE 802.11 can be applied to a wireless LAN system having plural APs and a large number of STAs. A key management server is LAN-connected... |
| 6266413 |
System and method for synchronizing one time pad encryption keys for secure communication and access control |
| Jul-24-2001 |
A method for generating an identical electronic one-time pad at a first location and a second location, the method comprising the steps of: (a) providing a first electronic device at the first location... |
| 7016496 |
System and method for storing and accessing digital media content using smart card technology |
| Mar-21-2006 |
A system and method for delivering digital media content to a user over a network is disclosed. The illustrative embodiment of the present invention enables multiple types of electronic devices to access... |
| 6055314 |
System and method for secure purchase and delivery of video content programs |
| Apr-25-2000 |
A system and method for secure purchase and delivery of video content programs over various distribution media, including distribution networks and digital video disks, includes an integrated circuit card... |
| 5675648 |
System and method for key distribution using quantum cryptography |
| Oct-7-1997 |
A method of communication uses quantum cryptography to encode and decode a signal. A key is distributed on a quantum channel, and information subsequent communicated between the transmitter and receiver... |
| 7043024 |
System and method for key distribution in a hierarchical tree |
| May-9-2006 |
A system and method for reusable efficient key distribution is disclosed. Key distribution is effected through the application of self-repairing groups that obviate the need for key distribution messages... |
| 6532543 |
System and method for installing an auditable secure network |
| Mar-11-2003 |
A system and method for generating and remotely installing a private secure and auditable network is provided. Node identification, link, and application information is input into a template. A generator... |
| 6973191 |
System and method for generating symmetric keys within a personal security device having minimal trust relationships |
| Dec-6-2005 |
A data processing method and system for generating a unique symmetric key inside a PSD having limited trust relationships between PSD manufacture, PSD issuer, subsequent service providers and a trusted... |
| 6430292 |
System and method for controlling disclosure time of information |
| Aug-6-2002 |
A key managing system for implementing simultaneous disclosure of information. The invention includes an information transmitting apparatus which transmits a date and time at which secrecy protection 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... |
| 7020773 |
Strong mutual authentication of devices |
| Mar-28-2006 |
The present invention relates to a method for enabling strong mutual authentication between two computers in a communication system. A user from a client attempts to gain access to a server. The server... |
| 6934392 |
Split-key key-agreement protocol |
| Aug-23-2005 |
This invention relates to a method for generating a shared secret value between entities in a data communication system, one or more of the entities having a plurality of members for participation in the... |
| 6731755 |
Split-key cryptographic system and method |
| May-4-2004 |
A method of operating a split-key cryptographic system having two or more co-operating microprocessors, i, linked via a communications channel, involving the generation of a public modulus, N, being the... |
| 6195432 |
Software distribution system and software utilization scheme for improving security and user convenience |
| Feb-27-2001 |
A software distribution system and a software utilization scheme for effectively preventing an illegal copy or a software is difficult while improving a convenience of a user. At a user side, a shared... |
| 4401854 |
Simultaneous transmission of an analog message signal and a digital data signal |
| Aug-30-1983 |
In its most general form, the present invention may be employed to simultaneously transmit information, either digital or analog, from two separate and distinct sources, denoted A and B, where the information... |
| 6681017 |
Simplified secure shared key establishment and data delivery protocols for electronic commerce |
| Jan-20-2004 |
A number of protocols are disclosed for providing simplified security for a series of low-cost transactions carried out between a client and a server within an on-going client-server relationship. A key... |
| 6072874 |
Signing method and apparatus using the same |
| Jun-6-2000 |
The present invention provides a signing apparatus used for signing by a user on usage information of a source provided in a format made available by the use of key information. The apparatus includes... |
| 6785809 |
Server group key for distributed group key management |
| Aug-31-2004 |
A method and apparatus for distributed group key management for multicast security. According to one aspect of the invention, a common multicast group includes a number of key servers, as well as clients... |
| 5982897 |
Selective denial of encrypted high precision data by indirect keying |
| Nov-9-1999 |
High precision transmitted navigational data as encrypted data transmitted by global positioning (GPS) satellites is made unavailable in regions designated as hostile and during desired intervals, while... |
| 6816970 |
Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same |
| Nov-9-2004 |
A multi-stage login procedure and system involves a first stage in which a login ID and a public key (encrypted) is transmitted from a client computer to a server computer and a key-exchange key (encrypted)... |
| 6111955 |
Security in cellular telephones |
| Aug-29-2000 |
A system for delivering a security code to a cellular telephone. The cellular telephone holds a key X. The cellular telephone requests that an Authorization Center, AC, assign a security code to the cellular... |
| 5151938 |
Security enhancement in a data processor through use of dynamic parameter authentication |
| Sep-29-1992 |
A descrambler for descrambling scrambled information signals through use of a predetermined decryption key. The processing means are adapted for processing data in accordance with a number of different... |
| 5784460 |
Secured electronic information delivery system having a three-tier structure |
| Jul-21-1998 |
A system is provided for retrieving a selected one of a plurality of encrypted software products stored in at least one storage device, such as a CD-ROM. Each software product is decryptable by a unique... |
| 7020779 |
Secure, distributed e-mail system |
| Mar-28-2006 |
An e-mail handling system, wherein e-mail messages are entered, transported and stored, comprises a central key repository, means for encrypting a message using a key associated with the message, means... |
| 6463534 |
Secure wireless electronic-commerce system with wireless network domain |
| Oct-8-2002 |
A method of conducting transactions in a wireless electronic commerce system, where the system comprises a wireless network operator certification authority (400) having a root public key certificate and... |
| 6496932 |
Secure session tracking method and system for client-server environment |
| Dec-17-2002 |
A method and system for tracking communications in a client-server environment. The method includes the steps of sending a first request from the client to the server over a first connection, sending a... |
| 5659615 |
Secure satellite receive-only local area network with address filter |
| Aug-19-1997 |
A receiver is connected to a satellite communication network. The receiver includes a satellite receiver card for receiving a packet containing data from the satellite communication network and a satellite... |
| 6684334 |
Secure establishment of cryptographic keys using persistent key component |
| Jan-27-2004 |
An apparatus and method is disclosed for securely establishing a unique cryptographic key in a first cryptographic device, for example an Automated Teller Machine (ATM). In a preferred embodiment, the... |
| 6606387 |
Secure establishment of cryptographic keys |
| Aug-12-2003 |
A system and method are disclosed for securely establishing a cryptographic key between a first cryptographic device, for example a host cryptographic security module, and a second cryptographic device,... |
| 6141753 |
Secure distribution of digital representations |
| Oct-31-2000 |
Techniques for secure distribution of digital representations that combine encryption and watermarking. When a user at a client desires to download a digital representation, the user makes a request to... |
| 6711263 |
Secure distribution and protection of encryption key information |
| Mar-23-2004 |
The invention relates to secure distribution of a private key from a distributing unit to a receiving unit, and is based on providing each of the distributing unit and the receiving unit with a protecting... |
| 6629243 |
Secure communications system |
| Sep-30-2003 |
A key distribution method for distributing, via a communications network, a key in a multicast communications system in which each one of a plurality of communications is directed to an associated multicast... |
| 6026165 |
Secure communications in a wireless system |
| Feb-15-2000 |
Disclosed are three major aspects relating to wireless transmission of encrypted data messages in a security system wherein the receiver stores locally an encryption key utilized by the transmitting device... |
| 6160890 |
Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded |
| Dec-12-2000 |
A transmission apparatus 100 includes a secret key storage unit 103 that stores three secret keys K1, K2 and K3, a secret key selection unit 104 that selects one secret key Ks from the secret keys, a message... |
| 6009174 |
Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded |
| Dec-28-1999 |
A transmission apparatus 100 includes a secret key storage unit 103 that stores three secret keys K1, K2 and K3, a secret key selection unit 104 that selects one secret key Ks from the secret keys, a message... |
| 5515438 |
Quantum key distribution using non-orthogonal macroscopic signals |
| May-7-1996 |
Quantum key distribution (QKD) uses non-orthogonal quantum states to distribute random information, suitable for use as a key for encryption and authentication, between two users who share secret information... |
| 6678379 |
Quantum key distribution method and apparatus |
| Jan-13-2004 |
A method for testing the reliability of a quantum key distribution apparatus is provided. The method includes the steps of: producing a set of quanta by the sender, the set of quanta comprising first,... |
| 6438234 |
Quantum cryptography device and method |
| Aug-20-2002 |
A system and method for communicating a key between two stations using an interferometric system for quantum cryptography. The method includes sending at least two light pulses over a quantum channel and... |
| 5796833 |
Public key sterilization |
| Aug-18-1998 |
A public key sterilization scheme for thwarting possible attacks based on choosing malicious public keys. A first user sends public key information to a certificate authority. The certificate authority... |
