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| Application No. | Application Title | Issue Date |
| 20110311051 | UTILIZING A DETERMINISTIC ALL OR NOTHING TRANSFORMATION IN A DISPERSED STORAGE NETWORK A method begins by a processing module generating a deterministic key from data and encrypting the data using the deterministic key to produce encrypted data. The method continues with the processing module generating transformed data from the encrypted data and generat... | 12/22/2011 |
| 20110228930 | METHOD AND DEVICE FOR KEY GENERATION A method of generating a segment key KSmt from a given basic key KmT and a given modification key K′MT in a key space with M*T keys. The basic key KMT is split into two parts LmT, RmT onto which a one-way function is applied M−m and T−t times, respectiv... | 09/22/2011 |
| 20110216902 | Computation of garbled tables in garbled circuit An efficient encryption system for improving the computation speed of a garbled circuit is set forth. The garbled circuit includes a number of garbled Boolean gates having first and second garbled Boolean gate input wires. The system includes a first key ki on a first g... | 09/08/2011 |
| 20110078446 | SYSTEM AND METHOD FOR DEPLOYING A MASTER KEY BETWEEN TWO COMMUNICATION DEVICES A system and method of deploying a master key for a first communication device and second communication device. The first communication device receives a request message from the second communication device through a wireless communication network, and creates a master ... | 03/31/2011 |
| 20110047371 | SYSTEM AND METHOD FOR SECURE DATA SHARING A system and method for providing secure data storage and retrieval is disclosed. The system utilizes a protocol for distributing authentication tokens amongst potential recipients of information. Digital information is then disseminated via the system to authorized rec... | 02/24/2011 |
| 20110026715 | SELF-HEALING ENCRYPTION KEYS A method and nodes provide self-healing encryption keys from a server to a client. Forward keys and backward keys are generated at the server. The server sends to the client a pair comprising a forward key for a first instant and a backward key for a later instant, the ... | 02/03/2011 |
| 20100239094 | COMPUTER READABLE MEDIUM STORING KEY GENERATING PROGRAM, COMPUTER READABLE MEDIUM STORING KEY RECORDING PROGRAM, KEY GENERATING DEVICE, PKI CARD, KEY RECORDING SYSTEM, KEY GENERATING METHOD AND KEY RECORDING METHOD A computer readable medium stores a program causing a computer to execute a key generating processing. The computer generates a signatory private key which is used in an electronic signature, a signatory public key, a signatory public key certificate, a certification pu... | 09/23/2010 |
| 20100195830 | ELECTRONIC DATA ENCRYPTION AND ENCRYPTED DATA DECRYPTION SYSTEM, AND ITS METHOD An object of the present invention is to provide an electronic data encryption and decryption system allowing a privileged user to decrypt all encrypted data without using a plurality of secret keys but only by using a single secret key that the privileged user himself ... | 08/05/2010 |
| 20100185855 | Data Repository and Method for Promoting Network Storage of Data In general, the invention features methods by which more than one client program connected to a network stores the same data item on a storage device of a data repository connected to the network. In one aspect, the method comprises encrypting the data item using a key ... | 07/22/2010 |
| 20100153725 | TRAFFIC ENCRYPTION KEY UPDATING METHOD USING SYSTEM SYNCHRONIZATION AND APPARATUS USING THE SAME Provided are a TEK update method using system synchronization, and an apparatus using the same. The method and apparatus according to the present invention periodically update a TEK used for traffic encryption in a DOCSIS system by using system synchronization. As descr... | 06/17/2010 |
| 20100153712 | SIGNATURE SCHEMES USING BILINEAR MAPPINGS Methods and systems are provided for generating and verifying signatures of digital messages communicated between signers and verifiers. Using bilinear mappings, such as Weil or Tate pairings, these methods and systems enable generation and verification of efficient mul... | 06/17/2010 |
| 20100098252 | SYSTEM AND METHOD FOR DATA TRANSMISSION OVER ARBITRARY MEDIA USING PHYSICAL ENCRYPTION Apparatus and method for a secure communication network using AlphaEta quantum encryption is provided. A polarization insensitive optical receiver based on a 90 degrees hybrid coupler is used for the detection and digitization of optically encrypted signals. Once digiti... | 04/22/2010 |
| 20100031024 | METHOD FOR REAL-TIME DATA AUTHENTICATION A digital signature is applied to digital data in real-time. The digital signature serves as a mark of authenticity assuring a recipient that the digital data did in fact originate from an indicated source. The digital signature may be applied to any digital data, inclu... | 02/04/2010 |
| 20090316910 | METHOD AND DEVICE FOR MANAGING CRYPTOGRAPHIC KEYS IN SECRET COMMUNICATIONS NETWORK A cryptographic key management method and device are provided by which cryptographic keys of multiple nodes can be managed easily and stably. A system includes at least one first node and a plurality of second nodes connected to the first node, and the first node indivi... | 12/24/2009 |
| 20090274306 | Method for Key Administration for Cryptography Modules The invention relates to a method for a central key station (SS), for setting a new key (nK) in a cryptography module (KM) without a public key being stored in the cryptography module (KM), the authenticity of the new key (nK) being secured by a protocol. According to s... | 11/05/2009 |
| 20090262943 | KEY DERIVATION FUNCTIONS TO ENHANCE SECURITY Key derivation algorithms are disclosed. In one key derivation application, a segment of the master key is hashed. Two numbers of derived from another segment of the master key. A universal hash function, using the two numbers, is applied to the result of the hash, from... | 10/22/2009 |
| 20090252324 | METHOD AND APPARATUS FOR PROVIDING BROADCAST SERVICE USING ENCRYPTION KEY IN A COMMUNICATION SYSTEM A method and apparatus for providing a broadcast service in a communication system is provided. The method includes creating a seed key pair including a first key and a second key, transmitting the seed key pair to a terminal to which the broadcast service is to be prov... | 10/08/2009 |
| 20090141899 | DUAL-MODE WIRELESS SENSOR NETWORK SYSTEM AND KEY ESTABLISHING METHOD AND EVENT PROCESSING METHOD THEREOF A dual-mode wireless sensor network system including a local wireless sensor, a local event processing device, and a remote event processing device is provided. The local wireless senor detects and announces an abnormal event. The local event processing device and the r... | 06/04/2009 |
| 20090122981 | Encryption Key Generation Device A scramble key generation unit generates scramble keys (individual encryption keys) which are different from one another and which are for encrypting and decrypting distributing data, by subjecting a predetermined initial encryption key at least once to a unidirectional... | 05/14/2009 |
| 20090110193 | SCHRYPTION METHOD AND DEVICE A schryption of a text message is based on a schryption key for defining one or more aspects of an encryption and/or a decryption of the text message. For an encryption of the text message, the schryption key is derived from a user key in the form of an encryption key (... | 04/30/2009 |
| 20090037737 | ASYNCHRONOUS ENHANCED SHARED SECRET PROVISIONING PROTOCOL An Asynchronous Enhanced Shared Secret Provisioning Protocol (ESSPP) provides a novel method and system for adding devices to a network in a secure manner. A registration process is launched by at least one of two network devices together. These two devices then automat... | 02/05/2009 |
| 20080226066 | APPARATUS FOR BATCH VERIFICATION AND METHOD USING THE SAME A batch verification apparatus and method wherein, the method includes: generating a plurality of secret keys, a plurality of public keys corresponding to the plurality of secret keys, and a plurality of verification values corresponding to the plurality of public keys;... | 09/18/2008 |
| 20080118060 | Method of decoding/encoding content file A method of decoding/encoding a content file is provided. The method of decoding a content file includes dividing an encoded content file into a plurality of data blocks, grouping the plurality of data blocks into a plurality of groups, generating a group content key fo... | 05/22/2008 |
| 20070177731 | Identity-based-encryption messaging system with public parameter host servers A system is provided that uses identity-based encryption (IBE) to support secure communications. Messages from a sender may be encrypted using an IBE public key and IBE public parameter information associated with a recipient. The recipient may decrypt IBE-encrypted mes... | 08/02/2007 |
| 20060171534 | Variable key encryption using multi-dimensional arrays A method is disclosed for encrypting messages for secure transmission over the Internet, for decryption by the receiver of such messages. The key used to encode each character of the message changes continually, in response to both its position after encoding the previo... | 08/03/2006 |
| 20060126836 | System and method for dynamic generation of encryption keys In accordance with an aspect of the present invention, a method for dynamically encrypting and decrypting digital information using a dynamically generated keys is provided. The method includes, obtaining digital information to be encrypted and identifying a file that i... | 06/15/2006 |
| 20060050878 | Method to generate a pseudo random sequence of multi carrier data symbols, and related transmitter and receiver To generate a pseudo-random sequence of multi-carrier data symbols, a pseudo-random bit sequence is produced by repetitively generating a pseudo-random sequence of L bits, L being a first integer value. To create a multi-carrier data symbol, N bits are used, N being a s... | 03/09/2006 |
