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Cryptography January recently filed with US Patent Office 01/12

20120020474 - Recording device, controller, control method of recording device: According to some embodiments, there is provided a recording device. The recording device includes: a recording medium having a plurality of sectors; a first writing module configured to write, on a first sector of the plurality of sectors, a first data encrypted using a first encryption key and first encryption... Agent: Kabushiki Kaisha Toshiba

20120020475 - Mechanism for partial encryption of data streams: Embodiments of the invention are generally directed to partial encryption of data stream. An embodiment of a method includes receiving, at a data transmitting device, a data stream having content including one or more of audio content, video content, and control content, determining one or more content that are to... Agent:

20120020476 - Method for performing a cryptographic task in an electronic hardware component: A method and apparatus are provided to perform a cryptographic task on at least one numerical datum in an electronic hardware component. The method includes a step of at least partial use of an encryption function. This encryption function includes a basic encryption function obtained by the addition between an... Agent: France Telecom

20120020477 - Method for decrypting an encrypted packet within a wireless communication device, and corresponding device: Method for decrypting, within a wireless communication device, a sequence of encrypted packets received via a wireless communication channel between the communication device and a cell assigned to this device, comprising for each packet the following steps:—the computation of an encrypting sequence corresponding to the packet (21); and—the decrypting of... Agent: St-ericsson (france) Sas

20120014520 - Biometric encryption and key generation: A system, method and program product for generating a private key. A system is disclosed that includes a signal acquisition system for obtaining biometric input from a user and encoding the biometric input into an acquired biometric; a recognition system for determining an identity based on the acquired biometric and... Agent: International Business Machines Corporation

20120014521 - Mobile phone aided operations system and method: The present system and method uses multiple digital devices with possibly different users operating in concert, for performing authentication and other cryptographic operations. The multiple digital devices include, for example, a mobile device such as a cellular phone, as a central building block.... Agent: Intryca, Inc.

20120014522 - Method and device for reception of control words, and device for transmission thereof: Delivery of conditional access data to a receiver that is able to connect to a plurality of scrambled programs. Conditional access for a current channel is handled using standard ECMs delivered with the channel. In parallel, the receiver retrieves an ECM for a separate stream comprising control words for every... Agent:

20120014523 - Key validation scheme: A system and method for validating digital information transmitted by one correspondent to another in a data communication system. The method comprising the steps of generating a public key in accordance with a predetermined, generating a public key in accordance with a predetermined cryptographic scheme having predetermined arithmetic properties and... Agent:

20120008765 - Determining hdcp source ksv support: Presented is a method for determining the maximum number of key selection vectors (KSVs) supported by an HDCP source. The method includes providing a number of KSVs to the HDCP source, determining whether the HDCP source has entered a failure mode in response to the provided number of KSVs, increasing... Agent: Crestron Electronics, Inc.

20120008768 - Mode control engine (mce) for confidentiality and other modes, circuits and processes: An electronic data processing module (600) includes a context storage (640), cryptographic cores (615.i) adapted for acceleration of respective different types of encryption and decryption, and a mode control engine (610) responsive to a security context in said context storage (640) to operate one more selected said cryptographic cores according... Agent: Texas Instruments Incorporated

20120008766 - Securing a component prior to manufacture of a device: By securing a component within a product, before the component is delivered to the final device manufacturing facility, the device manufacturing process can be made provably secure. Additionally, the component may be tested for security and authenticity during manufacture and even later, as the device enters use by a consumer.... Agent: Research In Motion Limited

20120008767 - System for encrypting and decrypting a plaintext message with authentication: The described system and method provide for an encryption and authentication technique that achieves enhanced integrity verification through assured error-propagation using a multistage sequence of pseudorandom permutations. The method generates intermediate data-dependent cryptographic variables at each stage, which are systematically combined into feedback loops. The encryption technique also generates an... Agent:

20120008770 - Data processing device and data processing method: A data encryption device is connected between an HDD and an HDD controller that controls the HDD. The data encryption device encrypts data that is stored from the HDD controller to the HDD, and decrypts data that is read from the HDD. A CPU of the data encryption device receives... Agent: Canon Kabushiki Kaisha

20120008769 - Method and system for managing a distributed identity: A method for managing a distributed identity, including retrieving identification data of a user, wherein the identification data includes a username, a password, and metadata; receiving, from a general-use device, a unique physical identifier of the user; combining the unique physical identifier and the identification data to create a unique... Agent:

20120008772 - Memory controller, memory control device memory device, memory information protection system, control method for memory control device, and control method for memory device: A technique allowing an improvement in the confidentiality of information stored in a memory device. A memory controller includes a key generation part that newly generates key information for use in encryption and decryption of information at every predetermined timing, and a data conversion circuit that encrypts information to be... Agent: Megachips Corporation

20120008771 - Method of accessing a data storage device: A method of accessing a data storage device, the method including: transforming a first key to obtain a second key; assigning the second key to a logical unit of data of the data storage device; and using the second key to read data from the data storage device or to... Agent: Agency For Science, Technology And Research

20120008773 - Providing control words to a receiver: A method and a system of transmitting one or more control words to a receiver system is described, wherein the one or more control words are generated by a scrambling system for scrambling during a crypto period data packets in a service stream. The method involves transmission of at least... Agent: Irdeto B.v.

20120008774 - Method and device to enhance video content: A multifunction device for television set and a method to enhance video content provided to a display device of said television set. The multifunction device comprises an input for receiving audio/video data from an audio/video content data source, an output for outputting audio/video data to the display device, and communication... Agent: Nagravision S.a.

20120008775 - System and method for secure transaction of data between wireless communication device and server: The present application provides a system and method for a set of Extensible Authentication Protocols (EAPs) based on ECC (Elliptic Curve Cryptography) and SKE (Symmetric Key Encryption) mechanisms (with a suitable permutation) that can serve Confidentiality, Authentication, Authorization and Accounting (CAAA) issues at an affordable cost. According to one embodiment,... Agent: Tata Consultancy Services Limited

20120008776 - Wireless communication apparatus: Influence on a key used between a user equipment and a base station, which will be imposed by unsecured updating of a key between the base station and a relay node when a relay node is being introduced is diminished. An HO request processing unit (202) extracts user equipment information... Agent: Panasonic Corporation

20120008777 - Method and apparatus for a content protecting and packaging system for protecting a content package: An apparatus for providing an improved content protecting and packaging system for protecting content may include an extractor for extracting a content package into a plurality of content segments including a first portion and a second portion. An enveloper may envelop each of the content segments in the first portion... Agent: Nokia Corporation

20120008778 - Method and system for transmitting signaling information over a data transport network: A method for transmitting signaling information, such as cryptographic key synchronization information, over a data path of a network, the data path having an originating end and a terminating end. The method uses in-band signaling to transmit the signaling information from the originating end of the data, path to the... Agent:

20120008781 - Method for access control to a scrambled content: A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about... Agent: Viaccess

20120008780 - Method for elliptic curve scalar multiplication: The method for elliptic curve scalar multiplication may provide several countermeasures to protect scalar multiplication of a private key k by a point P to produce the product kP from power analysis attacks. First, the private key, k, is partitioned into a plurality of key partitions, which are processed in... Agent: King Fahd University Of Petroleum And Minerals

20120008779 - Method for secure transfer of messages: The present invention may be deployed in a system for broadcast of conditional access content where it is desirable to detect and take action against receiver equipment which has been used in a control word sharing activity. By requiring that receiver equipment used in the system send a message to... Agent: Nagravision S.a.

20120008782 - Data processing apparatus and data processing method: A data processing apparatus includes an address bus, a scramble unit, and a data bus. The address bus outputs address data to be given to a memory apparatus. The scramble unit scrambles write-in data into a storage position in the memory apparatus identified by the address data to obtain confidential... Agent: Fujitsu Limited

20120008783 - Secure configuration of a wireless sensor network: A method for secure configuration of a sensor system involves identifying a new sensor not activated within the sensor system, the new sensor including a new sensor identifier, establishing a first transmission link between the new sensor and a sensor controller, transmitting the new sensor identifier between the sensor and... Agent: Oracle International Corporation

20120008784 - Delegated key exchange system and method of operation: A cryptographic key exchange protocol that enables a device that does not have the capability to perform public key operations to securely establish a shared key with a host device without any information disclosing the key being revealed to the delegate key service.... Agent:

20120008785 - System and method for secure pin exchange: Systems and methods for wirelessly exchanging an encryption key between a first device and a second device are disclosed herein.... Agent: Research In Motion Limited

20120008786 - Apparatus and methods for content delivery and message exchange across multiple content delivery networks: Methods and apparatus for providing protected content to subscribers of a managed (e.g., MSO) network via a content source accessible via an internetwork such as the Internet. In one embodiment, a user accesses a service provider portal (e.g., website), and requests content. The service provider determines whether the requesting user... Agent:

20120008787 - Lightweight key distribution and management method for sensor networks: A lightweight security framework is disclosed that combines PKI with symmetric key cryptography to exploit the system asymmetry in hierarchical sensor networks. The framework provides protocols for public key exchange, session and group key generation, pair-wise key generation, and network resource protection in a low-cost security architecture. The security framework... Agent:

20120002804 - Architecture and instruction set for implementing advanced encryption standard (aes): A flexible aes instruction for a general purpose processor is provided that performs aes encryption or decryption using n rounds, where n includes the standard aes set of rounds {10, 12, 14}. A parameter is provided to allow the type of aes round to be selected, that is, whether it... Agent:

20120002805 - Cryptographic key spilt combiner including a biometric input: A cryptographic key split combiner, which includes a number of key split generators for generating cryptographic key splits and a key split randomizer for randomizing the cryptographic key splits to produce a cryptographic key, and a process for forming cryptographic keys. Each of the key split generators generates key splits... Agent: Tecsec, Inc.

20120002806 - Digital signatures: Digital signature generation apparatus, comprising an envelope generator operable to generate an envelope representation, of only one polarity, of a sampled data segment, and operable for each of successive portions comprising a predetermined plurality of samples to provide a portion sum value as the sum the values of the samples... Agent:

20120002803 - Self reconfiguring vlsi architectures for unknown secret physical functions based crypto security systems: This invention describes the use of the features of modern reconfigurable and self-reconfigurable VLSI technology to design highly secure unknown and secret physical functions for security applications. Several examples of sample implementation scenarios for self-generated secret hard-wired cipher- and/or hash functions architectures are shown. A designed, true-random, electronic mutation process... Agent:

20120002807 - White-box cryptographic system with input dependent encodings: A white-box cryptographic system is presented wherein at least one of its internal values is represented using an input dependent encoding. The system comprises a network of a plurality of basic blocks arranged for collectively performing a cryptographic operation. An encoder is arranged for encoding output data of a first... Agent: Irdeto Coporate B.v.

20120002808 - Interleaving and deinterleaving method for preventing periodic position interference: A method for implementing volatile cipher key and separate verification module by collecting physical features includes: physical features sensor is set on the handset, and control module can be set separately; physical features sensor can collect physical features information of every user in advance, and the physical features can be... Agent:

20120002809 - Video slice and active region based multiple partial encryption: A television set-top box has a receiver receiving a digital television signal comprising: a plurality of unencrypted packets and a plurality of encrypted packets, where the encrypted packets carry data describing an active region of a video frame. A decrypter decrypts the encrypted packets. A decoder decrypted packets to produce... Agent:

20120002810 - Short message service cipher: A wireless phone system and methods performed thereon for cryptographically processing SMS messages is disclosed. A cryptographic pad is used to replace characters in a payload of a SMS message with coded characters. The cryptographic pad is used by the receiver of the SMS message to decode it. The cryptographic... Agent: Greatcall, Inc.

20120002811 - Secure outsourced computation: Secure outsourced computation on data can be achieved by transmitting shares of the data to respective computation servers; establishing respective connections between each of the computation servers and respective security modules, wherein each security module contains respective security data, the security data on the security modules being related by means... Agent: The University Of Bristol

20120002812 - Data and control encryption: Secure communication of data between devices includes encrypting unencrypted data at a first device by reordering unencrypted bits provided in parallel on a device bus, including data and control bits, from an unencrypted order to form encrypted data including a plurality of encrypted bits in parallel in an encrypted order... Agent: International Business Machines Corporation

20120002816 - Method and system for realizing secure forking call session in ip multimedia subsystem: The present invention relates to a method for realizing a secure forking call session, which comprises: performing authentication between a calling party and a KMS or between each called party and the KMS, and acquiring a shared key between the calling party and the KMS or a shared key between... Agent: Zte Corporation

20120002813 - Multi-service vpn network client for mobile device: An integrated, multi-service network client for cellular mobile devices is described. The multi-service network client can be deployed as a single software package on cellular mobile network devices to provide integrated services including secure enterprise virtual private network (VPN) connectivity, acceleration, security management including monitored and enforced endpoint compliance, and... Agent: Juniper Networks, Inc.

20120002814 - Vpn network client for mobile device having dynamically constructed display for native access to web mail: An integrated, multi-service network client for cellular mobile devices is described. The multi-service network client can be deployed as a single software package on cellular mobile network devices to provide integrated services including secure enterprise virtual private network (VPN) connectivity, acceleration, security management including monitored and enforced endpoint compliance, and... Agent: Juniper Networks, Inc.

20120002815 - Vpn network client for mobile device having fast reconnect: A virtual private network client for cellular mobile devices is described. The VPN network client establishes a secure VPN connection with a remote VPN security device. The VPN network client establishes a secure control channel with the secure VPN gateway and, upon a successful authentication, receives a session cookie with... Agent: Juniper Networks, Inc.

20120002817 - Key management method and key management device: A validity information processing section determines a valid MKB and a valid intermediate key by referring to validity information in a recording medium, and, when an MKB and an intermediate key that are not valid have been rewritten, rewrites the validity information in the recording medium. An MKB processing section... Agent: Panasonic Corporation