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Cryptography

20120121079 - Cipher independent interface for cryptographic hardware service: Disclosed is a cipher independent cryptographic hardware service. Cipher independent transactions are received into input slots (202). The input slots contain FIFOs to hold the transactions. The transactions are converted from cipher independent form to cipher dependent form (206) and timing as they are removed from the FIFOs. After cryptographic... Agent:

20120121080 - Commutative order-preserving encryption: In one general aspect, a method, including executing instructions recorded on a non-transitory computer-readable storage media using at least one processor, includes encrypting data using a commutative order-preserving encryption scheme. The commutative order-preserving encryption scheme includes a unique fixed key and a regular keyed cryptographic hash function, where the cryptographic... Agent: Sap Ag

20120121083 - Encryption apparatus and method: An encryption method and apparatus for encrypting a plurality of rounds are provided. The encryption method including: extracting a conversion function, which is convertible in a table form from a predetermined block encryption method; converting the extracted conversion function into a corresponding converted table; applying the converted table to an... Agent: Samsung Electronics Co., Ltd.

20120121081 - Nonlinear feedback shift register and method for nonlinear signature formation: A nonlinear feedback shift register for creating a signature for cryptographic applications includes a sequence of series-connected flip-flops which are connected to each other for forming at least one polynomial, with the aid of at least one signal feedback having at least one operator. The flip-flops are connected to at... Agent: Robert Bosch Gmbh

20120121082 - Privacy region masking device and method in vehicle black box: A privacy region-masking device of an automobile black box system includes a masking region configuration module for constructing a masking region on an internal image of a vehicle and a key management module for creating and managing a masking key which is used for masking the masking region on the... Agent: Electronics And Telecommunications Research Institute

20120121084 - Public key encryption system using error correcting codes: This invention provides improved security and improved throughput of the McEliece public key encryption system and reduces the public key size. Even though the public key is reduced, in some embodiments of the invention the ensemble of cryptograms produced is identical to the ensemble of cryptograms produced by the original... Agent:

20120121085 - System and method for content distribution with broadcast encryption: A content distribution method with broadcast encryption, comprising an encryption process that includes the computation of a ciphertext using a differential ciphertext generation method. The ciphertext needs to be recomputed whenever the subscriber set changes. The differential ciphertext generation method computes the new ciphertext by reusing previously preserved computational results... Agent: Hong Kong Applied Science And Technology Research Institute Company Limited

20120121086 - Image encryption/descryption device, method, and storage medium storing a program: At the time of marker attachment (at the time of encryption), for example, image conversion in which pixels to be overwritten by a marker are selected and pruned in a distributed manner and the pruning positions are moved to a marker attachment position is performed, and the marker is attached... Agent: Fujitsu Limited

20120121088 - Encryption key generation device: A master key (K2,2) inputted by an input unit is stored in a storage unit. A matrix generating unit generates key element matrices (M1-M3) with respect to each of split keys (eR2, eR1, eR3) obtained by a key dividing unit dividing the master key (K2,2). To each coordinate entry of... Agent:

20120121087 - Spoofing detection for civilian gnss signals: A system and method for detecting spoofing of signals by processing intermittent bursts of encrypted Global Navigation Satellite System (GNSS) signals in order to determine whether unencrypted signals are being spoofed.... Agent: Cornell University

20120121089 - Information processing apparatus, information processing method, operation terminal, and information processing system: Provided is an information processing apparatus including a security level determination section which determines a security level at a time of transmitting a key to an operation terminal, as a transmission security level, a transmission power determination section which determines a transmission power in accordance with the transmission security level... Agent: Sony Corporation

20120121090 - Content protection method and apparatus: There is disclosed a content protection method and apparatus. The content protection method and apparatus further improves such related schemes by facilitating spatial as well as temporal management of content. This is achieved by storing encrypted content and a corresponding decryption key and destroying the decryption key when suitable. In... Agent: Sony Corporation

20120114116 - Apparatus and method for storing electronic receipts on a unified card: A Unified Card system allows customers to store receipts on a Unified Card when making purchases from different retailer merchants. The customer purchases goods or services and the receipt is recorded electronically onto a single Unified Card. This eliminates the need for paper receipts. The user can then use the... Agent: Retailgreen

20120114117 - Methods and apparatus for performing an elliptic curve scalar multiplication operation using splitting: For an Elliptic Curve Scalar Multiplication (ECSM) operation to be performed on a scalar and a base point, a given previous set of parameters that was used to split the scalar for a previous ECSM operation and a selected random integer are used to determine a new set of parameters... Agent: Research In Motion Limited

20120114118 - Key rotation in live adaptive streaming: Key rotation required for adaptive streaming of data is described. Metadata is added or provides extensions to two file formats, namely, ISO-based FF (also known as MP4 FF) and MPEG2-TS. A new Sample Group Type box in ISO-based FF is introduced to support key rotation required in adaptive streaming use... Agent:

20120114120 - Storage device, access device, and program product: In general, according to one embodiment, a storage device includes a data storage, a key storage, a receiver, an acquisition unit, a first computing unit, and a second computing unit. The data storage stores therein data. The key storage stores therein a plurality of device keys. The receiver receives identification... Agent: Kabushiki Kaisha Toshiba

20120114119 - System and method for protecting specified data combinations: A method in one example implementation includes extracting a plurality of data elements from a record of a data file, tokenizing the data elements into tokens, and storing the tokens in a first tuple of a registration list. The method further includes selecting one of the tokens as a token... Agent:

20120114121 - Method of transmitting and receiving content: Provided is a method of transmitting and receiving content. The method includes (a) transferring, at a content server, a service key to a mobile terminal, (b) transferring, at the content server, a number to the mobile terminal, (c) scrambling, at the content server, content and transferring the scrambled content to... Agent:

20120114122 - Source programming and management system for locks comprising contactless communication means that can be controlled by a portable nfc telephone: The invention relates to a system comprising a lock (40) provided with NFC circuits, a mobile phone (32) also provided with NFC circuits, a remote lock management site (18), and a mobile network operator (20). For each lock, the management site generates a unique random algorithm, a unique identifier (PUID)... Agent:

20120114123 - Method for securely broadcasting sensitive data in a wireless network: The invention relates to a method for securely broadcasting sensitive data in a wireless sensor networks comprising a central device, called trust center, and a plurality of sensor nodes, the trust center being initialized with a cryptographic hash chain and each node being initialized with a node key and the... Agent: Koninklijke Philips Electronics N.v.

20120114124 - Method for combining authentication and secret keys management mechanism in a sensor network: A method for combining authentication and secret keys management mechanism in a sensor network includes the following steps: 1) pre-distribution of the secret key, which includes 1.1) the pre-distribution of the communication secret key and 1.2) the pre-distribution of the initial broadcast message authentication secret key; 2) authentication, which includes... Agent: China Iwncomm Co., Ltd.

20120106732 - Cryptographic countermeasure method by deriving a secret data: A method of protecting a circuit from attacks aiming to discover secret data used during the execution of a cryptographic calculation by the circuit, by, executing a transformation calculation implementing a bijective transformation function, receiving as input a secret data, and supplying a transformed data, executing a cryptographic calculation receiving... Agent: Stmicroelectronics (rousset) Sas

20120106731 - Speeding up galois counter mode (gcm) computations: Methods and apparatus to speed up Galois Counter Mode (GCM) computations are described. In one embodiment, a carry-less multiplication instruction may be used to perform operations corresponding to verification of an encrypted message in accordance with GCM. Other embodiments are also described.... Agent:

20120106733 - System and method for data encryption: A computer executable encryption/decryption system implementing a provably unbreakable cyphering technique having a repeat period of at least a googol with every computer/detachable device having its own unique provably unbreakable encryption. The system comprises an encryption processor, a Googol Production Engine module comprising a plurality of virtual wheels, a digital... Agent:

20120106734 - Safe handover method and system: The present invention provides a safe handover method and system which are applied in a handover process of a terminal in the next generation network, wherein the next generation network comprises a handover management module, an authentication server and a terminal. The safe handover method comprises: presetting initial safety parameters... Agent: Zte Corporation

20120106735 - Encryption key distribution system: The encryption key distribution system includes a node A, a node B, and an authentication server S. Upon receiving a first nonce created by the node A and a second nonce created by the node B, the authentication server S creates a session key. The authentication server S sends a... Agent: Panasonic Electric Works Co., Ltd.

20120106736 - Methods and apparatus for mixing encrypted data with unencrypted data: Methods and apparatus for mixing encrypted data with unencrypted data are disclosed. A disclosed system receives data from a first media source, such as DVD-Audio content, and encrypts the data from the first media source using a key stream to form an encrypted data stream. The disclosed system may separate... Agent:

20120106740 - Default encoding: The invention relates to a method for encoding a connection between a base (2) and a mobile part (1), and a computer program product. The method comprises the steps of: a) generating a key agreed to by the base (2) and the mobile part (1) during a first connection, wherein... Agent: Gigaset Communications Gmbh

20120106738 - Location brokering for providing security, privacy and services: Location brokering technique embodiments are presented that employ sensor data captured by a user's mobile device to determine the device's location, encrypt the location data and store it in a database. The location data is encrypted in such a way that it is possible to determine when a user's mobile... Agent: Microsoft Corporation

20120106737 - System and method for securing wireless communications: A system and method for securing wireless communications are provided. A method for secure communications by a first user includes estimating a channel between the first user and a second user, thereby producing an first phase estimate of the channel, generating a first block of secret bits based on the... Agent: Futurewei Technologies, Inc.

20120106739 - System and method for securing wireless communications: A system and method for securing wireless communications are provided. A method for secure communications by a first user includes estimating a channel between the first user and a second user based on a pilot signal transmitted by the second user, determining a first threshold and a second threshold based... Agent: Futurewei Technologies, Inc.

20120106741 - Method for creating an enhanded data stream: The present invention provides a method for secure communication of digital information between a transmission entity and at least one reception entity. The method may be applied in the domain of audio/video data transmission, where stuffing data packets comprising random payloads are inserted into a transport stream along with true... Agent: Nagravision S.a.

20120099725 - Method of generating id with guaranteed validity, and validity legitimacy guarantying rfid tag: A portion of a digital signature value for authenticating the validity of ID information is also used as an ID so as to reduce the amount of data. This is achieved by using a digital signature scheme with a short signature length obtained by transforming a Schnorr signature, which is... Agent: Hitachi, Ltd.

20120099726 - Content protection apparatus and method using binding of additional information to encryption key: The present invention relates to a content protection apparatus and method using binding of additional information to an encryption key. The content protection apparatus includes an encryption unit for creating an encryption key required to encrypt data requested by a user terminal and then generating encrypted data in which the... Agent: Electronics And Telecommunications Research Institute

20120099727 - Provisioning techniques: Provisioning techniques are described. In implementations, a particular one of a plurality of public keys are located using an identifier included in a request received via a network. The located public key is communicated via the network, the public key configured to encrypt data that is to be decrypted by... Agent: Microsoft Corporation

20120099728 - Protocol based key management: A method, system, and computer usable program product for protocol based key management are provided in the illustrative embodiments. A key management protocol associated with a key request is identified, the key request being a request for data usable in cryptographic security. A first subset is selected from a set... Agent: International Business Machines Corporation

20120099729 - Method and system for delaying transmission of media information in internet protocol ( ip) multimedia subsystem: A method for transmitting deferred media information in an Internet Protocol (IP) multimedia subsystem (IMS) includes: a sending party of the media information sends a key generation parameter encrypted with a Ka to a mailbox application server of a receiving party of the media information, the mailbox application server stores... Agent:

20120099730 - Radio communication system, base station apparatus, terminal apparatus, and radio communication method in radio communication system: A radio communication system, including: a first and second base station apparatuses which includes one or plurality of cells or sectors, respectively; and a terminal apparatus, wherein each of the first and second base station apparatuses includes: a processing unit which executes scrambling processing on a first and second transmission... Agent: Fujitsu Limited