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| Number | Title | Issue Date |
| 8189784 | Communication system, and an encoding device and a decoding device thereof A communication system includes encoding and decoding devices. The encoding device includes an encrypting module adapted for encrypting an original signal into an encrypted signal, and an error correction encoding module coupled to the encrypting module for receivin... | 05/29/2012 |
| 8180051 | Methods and apparatus for securing communications of a user operated device A system provides secure communications between a user operated device and a computerized device. The user operated device transfers an enable security message to the computerized device, and in response, the computerized device sends a first communications enableme... | 05/15/2012 |
| 8175271 | Method and system for security protocol partitioning and virtualization A method for implementing a security protocol, involving receiving a packet from a network connection, obtaining an identifier for one of a plurality of security association database (SADB) partitions associated with the packet, wherein each of the plurality of SADB... | 05/08/2012 |
| 8165296 | Time of day encryption using TDMA timing Embodiments of the invention provide for encryption and decryption of data in a TDMA network using TDMA time values. In some embodiments, TDMA time values can be transmitted to terminals from a network controller using a burst time plan. These TDMA time values along... | 04/24/2012 |
| 8165295 | Data transmission method Encrypted auxiliary information data DYAE/DCAE including no inhibited codes is generated based on auxiliary information data DYA/DCA including no inhibited codes, in an auxiliary data packet having an auxiliary data flag ADF formed of a first combination of a plural... | 04/24/2012 |
| 8160251 | Scalable distributed software defined radio (SDR) and mission computing architecture A system providing a scalable distributed operating environment is provided. The system may include a cryptographic module for encrypting communications for transmission over an external network. Further, more than one classified processor may be communicatively cou... | 04/17/2012 |
| 8150037 | Apparatus and method for secure, user-friendly deployment of information A method of securely deploying information to a device includes placing a device into a shielded structure and exchanging timing messages between a keying device located inside the shielded structure and a beacon located outside of the shielded structure. The shield... | 04/03/2012 |
| 8126145 | Enhanced association for access points The invention relates to a method for associating a client with an access point using a security protocol. The method may include initiating a handshake and exchanging operational information between the access point and the client, establishing an encrypted operati... | 02/28/2012 |
| 8081758 | Communication support server, communication support method, and communication support system When a cryptographic communicating part 208 of the communication support server 20 exchanges information with the information processing units 14, if the term of validity of a first key stored in a cryptographic key storing part 200 and c... | 12/20/2011 |
| 8064599 | Secure message transport using message segmentation Data is divided into a plurality of blocks. A unique identifier is assigned to each of the plurality of blocks. A key is generated that identifies how to reconstruct the data from the plurality of blocks. The key and each of the plurality of blocks are transmitted t... | 11/22/2011 |
| 8064600 | Encoded digital video content protection between transport demultiplexer and decoder A system for encrypting and decrypting data is provided. The system includes a client for receiving a data packet, setting a value of a crypto bit, and transmitting the data packet over a system bus. A crypto module receives the data packet from the system bus and p... | 11/22/2011 |
| 8059816 | Secret sharing technique with low overhead information content An apparatus and method for sharing a secret comprising the steps of generating a first random matrix, generating a first projection matrix from the first random matrix, and determining a first remainder matrix from the first projection matrix and the first secret m... | 11/15/2011 |
| 8054972 | Encryption processor of memory card and method for writing and reading data using the same An encryption processor, for storing encrypted data in a memory chip of a memory card, includes a FIFO memory for sequentially outputting m-bit data in response to a first signal, and an encryption key generator for generating m-bit encrypted keys (m being a positiv... | 11/08/2011 |
| 8050404 | Bandwidth efficient method and system for obscuring the existence of encryption in a communications channel A system, method, and network interface obscures the existence of data encryption in a communication network is provided. A set of characters is generated by using a set of encryption keys as an input to a pseudo-random function. Each character corresponds to an ind... | 11/01/2011 |
| 8045710 | Broadcasting method and broadcast receiver A broadcasting method and a broadcast receiver whereby contents are first distributed only for storage so that the stored contents are later played back in a time period predetermined by the distributing party, the contents being encrypted for protection against una... | 10/25/2011 |
| 8045711 | System and method for comparison of private values An embodiment includes a first system for computing a contribution to a greater-than comparison of a first private value and a second private value. The first system includes: an accessing unit configured to access the first private value; a processor unit configure... | 10/25/2011 |
| 8041035 | Automatic configuration of devices upon introduction into a networked environment Automatic configuration of devices upon introduction into a networked environment, can be implemented, for example, by having a device randomly generate a series of letters and/or numbers, e.g., generate a PIN (Personal Identification Number) that encodes temporary ... | 10/18/2011 |
| 8036384 | Enhanced shared secret provisioning protocol An 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 at two network devices together within a predetermined time interval. These two devices ... | 10/11/2011 |
| 8036383 | Method and apparatus for secure communication between cryptographic systems using real time clock Provided are a method and apparatus for secure communication between cryptographic systems using a Real Time Clock (RTC). The method and apparatus allow a transmitting cryptographic system to transfer partial RTC data and a receiving cryptographic system to restore ... | 10/11/2011 |
| 8031873 | Free-space quantum communication device with atomic filters The present invention discloses a free-space quantum communication device with atomic filters which are used in the field of quantum cryptography. The free-space quantum communication device of the present invention includes a beam splitter (2), two λ/2 wave... | 10/04/2011 |
| 8009833 | Data communication apparatus, control method therefor, and program for implementing the method A data communication apparatus which is capable of easily selecting a desired encryption scheme that is appropriate to the size of data that is to be transmitted. A key to be used for encryption is acquired. An encryption means corresponding to the acquired key is s... | 08/30/2011 |
| 7995757 | Closed galois field combination A method is provided for combining two or more input sequences in a communications system to increase a repetition period of the input sequences in a resource-efficient manner. The method includes a receiving step, a mapping step, and a generating step. The receivin... | 08/09/2011 |
| 7983419 | Wireless device to network server encryption A system and method are disclosed for providing encryption of location data transmitted from a wireless device to a wireline network server. In one embodiment, the wireless device encrypts a payload, adds a header to the payload to form a data packet, encrypts the p... | 07/19/2011 |
| 7983420 | Imaging job authorization A system and method are provided for imaging job authorization. The method comprises: an authorization server receiving a request from a first node print subsystem to communicate an imaging job; in response to analyzing imaging job information, sending an access inq... | 07/19/2011 |
| 7978854 | Asymmetric key generation In asymmetric cryptography, initially-set public key and private keys are updated as a function of the chosen prime number pair, a host sending an updated public key exponent and a unique prime-pair key associated with the chosen prime number pair to the client, the... | 07/12/2011 |
| 7974412 | Communication system, transmission device, reception device, and communication scheme A communication system includes a transmission device that transmits an information signal having information defined as a binary state value, the transmission device including a signal generation unit that generates an information decryption signal to transmit the ... | 07/05/2011 |
| 7916868 | Quadratic residue based password authenticated key exchange method and system A method is provided for use in secure electronic communication. The method may include obtaining a password shared with an intended key exchange entity and sending a key exchange request including a first value to the intended key exchange entity. The method may al... | 03/29/2011 |
| 7907730 | Method and system for mobile communications When a network pages the temporary user mobile identifier of a mobile station, the mobile station sends a response to the network. Next, the network checks the authenticity of the user using a ciphering key, corresponding to the temporary user mobile identifier and ... | 03/15/2011 |
| 7903816 | Storage system executing encryption and decryption processing A storage system 1 includes a channel interface (IF) unit 11 having an interface with a server 3, a disk IF unit 16 having an interface with a hard disk group 2, a memory unit 21 for storing data to be read/written from/to t... | 03/08/2011 |
| 7894604 | Quantum cryptographic communication apparatus Provided is a quantum cryptography communication apparatus capable of preventing a go photon pulse from being phase modulated and also capable of freely selecting any repetitive frequency of a light source. In the quantum cryptography communication apparatus, a quan... | 02/22/2011 |
| 7885409 | Software radio system and method A multichannel communications device is disclosed. The multichannel communications device includes more than one transceiver. The multichannel communications device also includes a first switch configured for switching between transceivers. Further still, the multic... | 02/08/2011 |
| 7881470 | Network mobility security management A node that couples to the Internet establishes a secure connection with another node that couples to the Internet. The secure connection to be established via an IPsec security association. The node registers with an authority that couples to the Internet and provi... | 02/01/2011 |
| 7881469 | Crypto-wireless-tag The crypto-wireless-tag containing a data set, which is characterized in that it comprises at least one block of crypto data. ... | 02/01/2011 |
| 7876900 | Hybrid scrambled transmission coding In one embodiment, a hybrid backplane coding scheme transmits data using lengthy sequences of scrambled data, separated by 8b/10b control character sequences that prepare the receiver for the next scrambled sequence and permit realignment if necessary. Advantageousl... | 01/25/2011 |
| 7873164 | Method and apparatus for configuring network devices A method for authenticating a network device includes determining that a network link that uses a primary signaling technology and a secondary signaling technology is coupled to the network device; obtaining, using the secondary signaling technology, a unique link i... | 01/18/2011 |
| 7869598 | System and method for comparison of private values An embodiment includes a first system for computing a contribution to a greater-than comparison of a first private value and a second private value. The first system includes: an accessing unit configured to access the first private value; a processor unit configure... | 01/11/2011 |
| 7869597 | Method and system for secure packet communication A method for processing a communication data item. The communication data item is divided into at least two unencrypted packets to be encrypted. Each encrypted packet is generated from a corresponding unencrypted packet. Each unencrypted packet has a packet header a... | 01/11/2011 |
| 7835523 | Cryptographic engine abstraction layer for a software defined radio A radio system comprises radio frequency receiving electronics and digital signal processing electronics coupled to the radio frequency receiving electronics. The radio system is characterized by security electronics coupled to the digital signal processing electron... | 11/16/2010 |
| 7783041 | System, method and computer program product for authenticating a data agreement between network entities A method for authenticating a data agreement between first and second network entities can include the first network entity committing to the agreed data value, and transmitting the committed data value and a first random value to the second network entity. The firs... | 08/24/2010 |
| 7769173 | Methods and systems for executing bit-commitment protocols that are based on entangled quantum states and a third party Various method and system embodiments of the present invention are directed to executing bit-commitment protocols. In one embodiment of the present invention, a method for executing a bit-commitment protocol for transmitting a bit from a first party to a second part... | 08/03/2010 |
