| 6834272 |
Privacy preserving negotiation and computation |
| Dec-21-2004 |
A method for secure multi-party function evaluation with a non-limiting application to the holding of auctions. The outcome of an auction can be determined by an auctioneer without learning any information... |
| 6829355 |
Device for and method of one-way cryptographic hashing |
| Dec-7-2004 |
The present invention is a device for and method of generating a hash value for a message by padding the message, loading the padded message into a first shift register that generates values according... |
| 6801626 |
Cryptographic key distribution using light pulses of three macroscopic quantum states |
| Oct-5-2004 |
At a sender site of a secure communication network, a first coherent light pulse sequence is phase modulated with a random bit sequence by a phase modulator, and a second coherent light pulse sequence... |
| 6792577 |
Data distribution method and apparatus, and data receiving method and apparatus |
| Sep-14-2004 |
Style sheets which define the expression form, etc., of documents in a meta-language (for example, XML) format in which tags which can be defined arbitrarily are used are managed appropriately. A style... |
| 6785811 |
Methods, systems and computer program products for providing multiple cryptographic functions to applications using a common library |
| Aug-31-2004 |
Methods, systems and computer program products are provided which provide cryptographic services to an application by incorporating in the application an indication of at least one authorized cryptographic... |
| 6782475 |
Method and apparatus for conveying a private message to selected members |
| Aug-24-2004 |
An encrypted broadcast messaging system determines the management crypto-keys held by each selected subscriber device and not held by each excluded subscriber device of a group. The private message is... |
| 6751732 |
Method and system for secure delivery and printing of documents via a network device |
| Jun-15-2004 |
A system and method for providing secure, on-demand printing of documents delivered to a networked printing device is disclosed. A user logs onto a networked document delivery system using a mobile device... |
| 6745231 |
System for securing electronic mail |
| Jun-1-2004 |
Encrypted e-mails that reside in e-mail service providers servers or a gateway machines can be compromised and deciphered with advances in technology for breaking encryption codes. Significant security... |
| 6741704 |
Method of setting encryption for a connection in a radio system |
| May-25-2004 |
In combined systems of different radio systems, for example in a combined system of the radio access network (RAN) of the IMT-2000 system and the core network (MSC) of the GSM system, a problem exists... |
| 6732101 |
Secure message forwarding system detecting user's preferences including security preferences |
| May-4-2004 |
A system and method for providing secure E-mail services. The system includes a forwarding service to receive an E-mail message for delivery to a recipient. The system checks for recipient preferences... |
| 6724896 |
Event-driven servers for data extraction and merge for EDI transaction processing using the internet |
| Apr-20-2004 |
A method and apparatus for performing event-driven data transfer operations over a global computer network. Electronic Data Interchange (EDI) format data is extracted from a database stored on a first... |
| 6718038 |
Cryptographic method using modified fractional fourier transform kernel |
| Apr-6-2004 |
The present invention is a cryptographic method that uses at least one component of a modified fractional Fourier transform kernel a user-definable number of times. For encryption, a signal is received;... |
| 6714614 |
Subscriber unit for generating a stream cipher |
| Mar-30-2004 |
One embodiment of the invention is a subscriber unit for transmitting communication signals. The subscriber unit comprises a cipher stream generator which generates a cipher stream to encipher a digital... |
| 6711400 |
Authentication method |
| Mar-23-2004 |
In telecommunications systems, the traffic can be protected from eavesdropping and the use of a false identity can be prevented by verifying the authenticity of the terminal equipment by means of an authentication... |
| 6704571 |
Reducing data loss during cell handoffs |
| Mar-9-2004 |
In a wireless communications system, mobile units establish data communications sessions using wireless links having negotiated transmission parameters. To reduce data loss during handoffs of the wireless... |
| 6701363 |
Method, computer program product, and system for deriving web transaction performance metrics |
| Mar-2-2004 |
The present invention comprises a method of relating characteristics gleaned by monitoring application transaction flows (and the decomposition thereof) to produce performance metrics useful to characterize... |
| 6687683 |
Production protection system dealing with contents that are digital production |
| Feb-3-2004 |
A data protection system obtains data having a first content on which a first encryption has been performed and a second content on which a second encryption has been performed, the second encryption more... |
| 6681212 |
Internet-based automated system and a method for software copyright protection and sales |
| Jan-20-2004 |
Copyrighted software may be executed only on an authorized computer by using a protection mechanism to restrain software to a designated machine. The protection mechanism includes a CIN (Computer Identification... |
| 6674859 |
Device and method for the protected output of electronically transmitted and stored documents |
| Jan-6-2004 |
The invention relates to a device for the protected output of an electronically transmitted and stored document which is provided with or which is subject to electronic copy protection, comprising a storage... |
| 6654466 |
Data communication equipment, data communication system, and data communication method |
| Nov-25-2003 |
Data communication means (82) performs data communication and power transmission by utilizing electromagnetic waves. Conversion method designating means (88) is provided with output value measuring means... |
| 6643775 |
Use of code obfuscation to inhibit generation of non-use-restricted versions of copy protected software applications |
| Nov-4-2003 |
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... |
| 6643781 |
Method and apparatus for rendering stolen computing devices inoperable |
| Nov-4-2003 |
The present invention requires a computing device to interact with an authorized host computer on a fairly regular basis in order to maintain operability. In one embodiment, there is stored within the... |
| 6625733 |
Electronic information inquiry method |
| Sep-23-2003 |
A reference A divides the stored electronic information C.sub.A into more than one information element based on a dividing algorithm D (a.sub.D) applied with a dividing argument a.sub.D, selects information... |
| 6612486 |
Smart card managing system |
| Sep-2-2003 |
In the case where a card issuer and a service provider are different in operating and managing a smart card for multi-application programs, when the card issuer sends a request of sending an initial load... |
| 6590980 |
Low voltage, low power operational amplifier with rail to rail output |
| Jul-8-2003 |
A novel operational amplifier is disclosed which is divided into an input stage, a common mode feedback stage and an output stage. The output of the operational amplifier swings rail to rail, and the input... |
| 6578150 |
Block cipher method |
| Jun-10-2003 |
A data encryption system for encrypting an n-bit block of input in a plurality of rounds is presented, where n is preferably 128 bits or more. The data encryption system includes a computing unit for the... |
| 6574609 |
Secure electronic content management system |
| Jun-3-2003 |
A method of managing content data and associated metadata. According to the method, the content data and the associated metadata are generated. The content data is transferred to a content host, and the... |
| 6532539 |
Process for controlling access to a domestic network and device implementing the process |
| Mar-11-2003 |
The present invention relates to a process making it possible to control access to at least one terminal with address AD by at least one scrambled item with the aid of at least one control word. The process... |
| 6510515 |
Broadcast service access control |
| Jan-21-2003 |
Techniques and systems for controlling access to information broadcast over point-to-multipoint resources in radiocommunication systems are described. These techniques can be used to provide controllable... |
| 6507953 |
System and method for interfacing multiple electronic devices |
| Jan-14-2003 |
A method for scheduling events between first and second video processing devices coupled together wherein each device having at least one event timer for storing a scheduled event. The method involves... |
| 6505301 |
Authentication for secure devices with limited cryptography |
| Jan-7-2003 |
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... |
| 6490687 |
Login permission with improved security |
| Dec-3-2002 |
A login permission method improving network security and efficiently performing a login process is disclosed. In a host-based network, information required for outside login is previously registered with... |
| 6470086 |
Method and apparatus for effecting secure document format conversion |
| Oct-22-2002 |
A method and apparatus is provided for effecting secure document delivery in any of various document formats. A document is encrypted with the public key of a server associated with the recipient of the... |
| 6470015 |
System and device for preventing wiretap |
| Oct-22-2002 |
A transmitting sequence changing/restoring unit receives, from an ATM control unit, ATM cells stored with the transmitting target information in a segmented state. The transmitting sequence changing/restoring... |
| 6449720 |
Public cryptographic control unit and system therefor |
| Sep-10-2002 |
A universally available, public cryptographic control unit (crypto unit) is used in a cryptographic system shared by multiple independent users. The crypto unit, which is installed as a peripheral device... |
| 6446205 |
Cryptosystems with elliptic curves chosen by users |
| Sep-3-2002 |
Participants in a cryptosystem select their own elliptic curve and finite field, rather than using a centrally chosen elliptic curve. The curve is chosen from a predetermined set of elliptic curves expressed... |
| 6434699 |
Encryption processor with shared memory interconnect |
| Aug-13-2002 |
An encryption chip is programmable to process a variety of secret key and public key encryption algorithms. The chip includes a pipeline of processing elements, each of which can process a round within... |
| 6418466 |
Management of authentication discovery policy in a computer network |
| Jul-9-2002 |
A method of discovering native or non-native authentication server domains and managing information about such domains in a computer network. The various domains are "discovered" by issuing requests from... |
| 6418224 |
Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages |
| Jul-9-2002 |
A self-inverting enhanced CMEA encryption system suitable for use in wireless telephony. An unprocessed text message is introduced into the system and subjected to a first iteration of a CMEA process,... |
| 6415032 |
Encryption technique using stream cipher and block cipher |
| Jul-2-2002 |
A method is provided for generating a pseudo-random sequence of integers, and the method is applied to the encryption of messages. The method uses a key K and a pair of prime numbers p and q, where q=2p+1.... |
| 6400823 |
Securely generating a computer system password by utilizing an external encryption algorithm |
| Jun-4-2002 |
A method for generating system passwords derived from an external encryption algorithm and plain text user passwords entered during a secure power-on procedure. At some point during the secure power-up... |
| 6393563 |
Temporary digital signature method and system |
| May-21-2002 |
A digital signature system that employs a temporary digital ID signed by using a private key, so that the digital ID can be used as a proxy for a specific period of time and for a specific purpose. When... |
| 6378069 |
Apparatus and methods for providing software updates to devices in a communication network |
| Apr-23-2002 |
An apparatus for transmitting software to a subscriber device in a communication network, which includes a processor, a database coupled to the processor, and a communication device for providing software... |
| 6378070 |
Secure printing |
| Apr-23-2002 |
In a distributed computing environment, a user is able to send a document to a secure printer (140) in such a way that only a specified intended recipient can print the document. When the user specifies... |
| 6373950 |
System, method and article of manufacture for transmitting messages within messages utilizing an extensible, flexible architecture |
| Apr-16-2002 |
Secure transmission of data is provided between a plurality of computer systems over a public communication system, such as the Internet. Secure transmission of data is provided from a customer computer... |
| 6367011 |
Personalization of smart cards |
| Apr-2-2002 |
Smart card personalization includes a personalization preparation process prior to the personalization session at the personalization bureau. The personalization preparation process derives the derived... |
| 6363427 |
Method and apparatus for a bulletin board system |
| Mar-26-2002 |
A method of electronic message exchange comprises reading other identifications of other personal data areas on other servers, reading from the other personal data areas other message identifications identifying... |
| 6363152 |
Hybrid one time pad encryption and decryption apparatus with methods for encrypting and decrypting data |
| Mar-26-2002 |
A hybrid one time pad encryption and decryption apparatus with methods for encrypting and decrypting data wherein a one time random number pad provides high security encryption. The random number sequence... |
| 6360322 |
Automatic recovery of forgotten passwords |
| Mar-19-2002 |
In accordance with the invention a method of securely and automatically authenticating a user is disclosed. Bona fides are entered for a user, hashed, and stored at an authenticating entity, remote from... |
| 6353889 |
Portable device and method for accessing data key actuated devices |
| Mar-5-2002 |
Data key actuated devices such as high security doors are modified so that they periodically transmit an identity pattern. An authorized user is provided with a portable access device storing keys for... |
