| 6353886 |
Method and system for secure network policy implementation |
| Mar-5-2002 |
A method and system for implementing network policy is described. The method involves storing policy data using certificates using a certificate database server. Upon retrieval, a policy is then validated... |
| 6351536 |
Encryption network system and method |
| Feb-26-2002 |
A key used for deciphering ciphertext is safely transmitted, to establish simple encryption communication. A transmitter and a receiver are connected through a network such that they can communicate with... |
| 6345101 |
Cryptographic method and apparatus for data communication and storage |
| Feb-5-2002 |
The disclosed invention is a new cryptographic method which is fast and ideally suited for secure, high volume data communication and storage. The data is encrypted at the source using a private key and... |
| 6338140 |
Method and system for validating subscriber identities in a communications network |
| Jan-8-2002 |
A method and/or system for validating subscribers includes an insecure communications network, such as, an IS-41 wireless telephone network connecting a plurality of telephone switches. A subscriber or... |
| 6337910 |
Method and apparatus for generating one time pads simultaneously in separate encryption/decryption systems |
| Jan-8-2002 |
A method for simultaneously generating one time pads and an apparatus which implements the method to produce a secure encryption system. The method and apparatus use the Diffie-Hellman key exchange algorithm... |
| 6334189 |
Use of pseudocode to protect software from unauthorized use |
| Dec-25-2001 |
Three methods are disclosed for protecting software applications from unauthorized distribution and use (piracy). The first method involves using values generated by a conventional ESD (Electronic Security... |
| 6320966 |
Cryptographic methods for demonstrating satisfiable formulas from propositional logic |
| Nov-20-2001 |
Cryptographic methods are disclosed, which allow a prover party, who holds a number of secrets, to demonstrate satisfiable formulas of propositional logic, wherein the atomic propositions are linear relations... |
| 6311270 |
Method and apparatus for securing communication utilizing a security processor |
| Oct-30-2001 |
A method is provided for communicating digital content between a content provider and a data processing system which is under the control of a content consumer, utilizing an insecure communication channel,... |
| 6311214 |
Linking of computers based on optical sensing of digital data |
| Oct-30-2001 |
A printed object, such as an item of postal mail, a book, printed advertising, a business card, product packaging, etc., is steganographically encoded with plural-bit data. When such an object is presented... |
| 6308268 |
Portable electronic device for safe communication system, and method for initializing its parameters |
| Oct-23-2001 |
This device includes data storage unit, interface unit with an external tool for loading data into the storage unit, data processing unit including initialization unit for enabling modification of a specific... |
| 6301658 |
Method and system for authenticating digital certificates issued by an authentication hierarchy |
| Oct-9-2001 |
A method and system for efficiently authenticating digital certificates issued by an organization's authentication hierarchy. The system includes a verification server that manages a certificate repository... |
| 6297891 |
Method & system for electronic document certification |
| Oct-2-2001 |
A system and method for certified transmission of an electronic document, as verified by the generation of a certification indicia. Three embodiments of the system and method are disclosed, providing for... |
| 6292895 |
Public key cryptosystem with roaming user capability |
| Sep-18-2001 |
A public key cryptosystem with roaming user capability within a network that allows secure communication between users of the system, client machines, and encryption servers. A client machine generates... |
| 6292892 |
Apparatus and method for providing secured communications |
| Sep-18-2001 |
In one embodiment, a method to provide reliable electronic distribution of information between a first system and a second system remotely located from the first system coupled together by a communication... |
| 6292569 |
Systems and methods using cryptography to protect secure computing environments |
| Sep-18-2001 |
Secure computation environments are protected from bogus or rogue load modules, executables and other data elements through use of digital signatures, seals and certificates issued by a verifying authority.... |
| 6286103 |
Method and apparatus for encrypted data stream transmission |
| Sep-4-2001 |
A method and apparatus for the transmission and reception of scrambled data is disclosed. In some embodiments, the method and apparatus includes transmitting a scrambled data stream to a decoder, sending... |
| 6275588 |
Apparatus and method for performing and controlling encryption/decryption for data to be transmitted on local area network |
| Aug-14-2001 |
A technique for performing compression, encryption and transmission, and reception, decryption and decompression, respectively, of data communication packages on an area network. |
| 6275587 |
Secure data encoder and decoder |
| Aug-14-2001 |
A computer system includes a processor and a computer readable medium storing a computer program product for encoding a serial bit stream of digital data. The product includes instructions for causing... |
| 6269164 |
Method of and system for encrypting messages |
| Jul-31-2001 |
A technique for encrypting and decrypting a data message is described herein and includes a stream cipher, a block cipher and a key generation embodiment which use a process of Summary Reduction. This... |
| 6266417 |
Cryptographic communication process and apparatus |
| Jul-24-2001 |
A communication system, which includes an origination space, a communications channel, and a destination space associated with the origination space via the communications channel. The origination space... |
| 6266416 |
Protection of software against use without permit |
| Jul-24-2001 |
An arrangement to protect software, particularly freely distributed application software, against utilization without permission of the copyright holder. By encrypting the software employing a key (k1)... |
| 6263438 |
Method and apparatus for secure document timestamping |
| Jul-17-2001 |
The invention relates devices and methods for creating a cryptographically assured timestamp that can be verified by a party that was not present during the creation of the timestamp. The timestamp is... |
| 6253326 |
Method and system for secure communications |
| Jun-26-2001 |
A communications system and methods for securely transmitting a message between a wireless client and a proxy server are provided. A method for transmitting a message from the wireless client to a proxy... |
| 6249868 |
Method and system for embedded, automated, component-level control of computer systems and other complex systems |
| Jun-19-2001 |
A method and system for protecting and controlling personal computers ("PCs") and components installed in or attached to PCs. The method and system may be used to protect PCs from use after being stolen.... |
| 6249867 |
Method for transferring sensitive information using initially unsecured communication |
| Jun-19-2001 |
In the method for transferring sensitive information using unsecured communication, a first party receives a public key of a second party, produces an encryption result by performing keyed encryption on... |
| 6247130 |
Distribution of musical products by a web site vendor over the internet |
| Jun-12-2001 |
The system and method permit the purchase of audio music files over the Internet. The PC user logs onto the vendor's web site and browses the songs available for purchase. The songs can be arranged by... |
| 6246768 |
Data encryption system for encrypting plaintext data |
| Jun-12-2001 |
In order to encrypt plaintext data while maintaining high security, the plaintext data is received and divided into a plurality of plaintext data blocks, each of which has the same bit length. A preset... |
| 6243469 |
Information transmission method and apparatus |
| Jun-5-2001 |
The present invention provides an information transmission apparatus and method for an information transmission system where encrypted information comprised of a plurality of information units each hierarchically... |
| 6243468 |
Software anti-piracy system that adapts to hardware upgrades |
| Jun-5-2001 |
An anti-piracy system reduces the opportunity for piracy and illicit use of software products by requiring each software product to be registered for a single computer. If a user attempts to install the... |
| 6240517 |
Integrated circuit card, integrated circuit card processing system, and integrated circuit card authentication method |
| May-29-2001 |
An IC card processing system includes a telephone set for generating random number data, an IC card for processing value data, a secret key, and random number data by an authenticator generation function... |
| 6240512 |
Single sign-on (SSO) mechanism having master key synchronization |
| May-29-2001 |
A method of sharing a master key across a set of servers operating a single sign-on (SSO) mechanism in a distributed computer network. The master key is useful for encrypting user passwords for storage... |
| 6240186 |
Simultaneous bi-directional translation and sending of EDI service order data |
| May-29-2001 |
A method and apparatus for performing bi-directional data transfer operations over a global computer network are provided. This is accomplished by extracting data from a database stored on a first computer... |
| 6237093 |
Procedure for setting up a secure service connection in a telecommunication system |
| May-22-2001 |
A procedure for setting up a secure service connection in a communication system which includes a first telecommunication network, a first terminal device connected to the first telecommunication network,... |
| 6230267 |
IC card transportation key set |
| May-8-2001 |
Method and apparatus for securely transporting data onto an IC card. The method is used, for example, to transport data, including application programs, in a secure manner from a source located outside... |
| 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... |
| 6223287 |
Method for establishing a secured communication channel over the internet |
| Apr-24-2001 |
A method for establishing a secured communication channel between a client and a server is disclosed where a program and a set of encryption information for establishing the secured communication channel... |
| 6212636 |
Method for establishing trust in a computer network via association |
| Apr-3-2001 |
A method is disclosed for establishing trusted communications with associations for communications between users on an Internet Protocol based computer network. The method entails the first user's SNIU... |
| 6199167 |
Computer architecture with password-checking bus bridge |
| Mar-6-2001 |
A computer password security method employing a south bridge circuitry where the user password is compared to a secured password stored in secured memory which is directly accessible to the south bridge... |
| 6195752 |
Electronic data processing circuit |
| Feb-27-2001 |
An electronic data processing circuit includes an operating module such as a microprocessor, at least one data memory and a data bus extending between the data memory and the operating module. In order... |
| 6192477 |
Methods, software, and apparatus for secure communication over a computer network |
| Feb-20-2001 |
A method for performing secure communication between a first user's computer and second remote computer over a computer network is described. According to one embodiment of this aspect, the data space... |
| 6192474 |
Method for establishing a key using over-the-air communication and password protocol and password protocol |
| Feb-20-2001 |
In the password protocol, the communicating parties exchange calculation results, which each include an exponential, to generate a key. In generating the calculation results, each party adds the password... |
| 6189100 |
Ensuring the integrity of remote boot client data |
| Feb-13-2001 |
A remote boot process uses a secret to sign and/or seal the data necessary to remotely boot a client from a server on a network to ensure the integrity of the data. The secret is generated by the server... |
| 6185686 |
Computer system and process for accessing an encrypted and self-decrypting digital information product while restricting access to decrypted digital information |
| Feb-6-2001 |
Some of these problems with digital information protection systems may be overcome by providing a mechanism which allows a content provider to encrypt digital information without requiring either a hardware... |
| 6185684 |
Secured document access control using recipient lists |
| Feb-6-2001 |
A method for providing secured access to a document includes the steps of embedding a permissions attribute into a recipient list. The permissions attribute identifies permissions allowing various levels... |
| 6182217 |
Electronic data-processing device and system |
| Jan-30-2001 |
The electronic data-processing device has a processing unit which is connected to one or more memories via a bus. The processing unit has an encryption unit associated with it. One or more secret keys... |
| 6182214 |
Exchanging a secret over an unreliable network |
| Jan-30-2001 |
Threshold cryptography (secret sharing) is used for exchanging a secret between a server and a client over an unreliable network. Specifically, a secret is computationally divided into N shares using a... |
| 6178409 |
System, method and article of manufacture for multiple-entry point virtual point of sale architecture |
| Jan-23-2001 |
A server communicates bidirectionally with a gateway over a first communication link, over which service requests flow to the server for one or more merchants and/or consumers. Service requests are associated... |
| 6175922 |
Electronic transaction systems and methods therefor |
| Jan-16-2001 |
A method and apparatus is disclosed for approving a transaction request between an electronic transaction system and a portable electronic authorization device (PEAD) carried by a user using an electronic... |
| 6173400 |
Methods and systems for establishing a shared secret using an authentication token |
| Jan-9-2001 |
A method and system for establishing a shared secret between a plurality of devices using an authentication token. An authentication token is used to establish a shared secret between a local device and... |
| 6173057 |
Method of making secure and controlling access to information from a computer platform having a microcomputer |
| Jan-9-2001 |
A method of securing and monitoring access to information from a computer platform. At least one non-rewritable recording medium with information and operating software is produced. Users are authorized... |
