Cryptography inventions 08/08

20080205635 - Apparatus, system, and method for self-describing heterogeneous magnetic tape formatting: An apparatus, system, and method are disclosed for self-describing, heterogeneous magnetic tape formatting. A detection module determines if data is to be encrypted when written to a magnetic tape in response to a host command and if the data is already encrypted. An encryption module encrypts the data if the... Agent: Brian C. Kunzler Kunzler And Associates

20080205636 - Method and apparatus for encoding and decoding data: A method and apparatus for turbo encoding with a contention-free interleaver is provided herein. During operation an input block of size K′ is received. The original input block and the interleaved input block are encoded to obtain a codeword block, wherein the original input block is interleaved using an interleaver... Agent: Motorola, Inc.

20080205634 - Method, module and system for providing cipher data: A method of providing cipher data during a period of time when output of a primary source of cipher data is unavailable is disclosed. The method comprises switching from a primary source of cipher data to an alternate source of cipher data at a beginning of the period of time;... Agent: Advanced Micro Devices, Inc. C/o Vedder Price P.c.

20080205637 - Threshold secret sharing apparatus, threshold secret sharing scheme, secret information decryption method, and program for the same: A threshold secret sharing apparatus, a threshold secret sharing scheme, a secret information recovery apparatus a secret information recovery method, and a program thereof are provided using XOR computation, thereby offering a general (k,n) threshold secret sharing scheme with high computation speed. Secret information K is divided into (np−1) divided... Agent: Bainwood Huang & Associates Llc

20080205638 - Method for elliptic curve scalar multiplication: The method for elliptic curve scalar multiplication is a method for fast, efficient multiplication of a point on an elliptic curve by a scalar. Two different parameters are used to assign separate projective coordinates to the x-coordinate and the y-coordinate. The x- and y-coordinates are projected by ZLx and ZLy,... Agent: Litman Law Offices, Ltd.

20080205639 - Method for securely encrypting or decrypting a message: A method for securely encrypting or decrypting a message or for generating or verifying a digital signature in a message, in which the message is subjected, with the aid of a processor, to a mathematical operation using a key (k) which can be represented in the form of a binary... Agent: Staas & Halsey LLP

20080205640 - Digital content delivery system and method: A system and a method for flexible, yet secure distribution of digital content items, optionally with an automatic payment mechanism for purchasing such content. The present invention supports the distribution of content to end user devices from a central distribution point, as in client-server models and variations thereof, and/or peer-to-peer... Agent: Ladas & Parry

20080205641 - Preserving privacy of one-dimensional data streams using dynamic autocorrelation: A method, information processing system, and computer readable medium are provided for preserving privacy of one-dimensional nonstationary data streams. The method includes receiving a one-dimensional nonstationary data stream. A set of first-moment statistical values are calculated, for a given instant of sub-space of time, for the data. The first moment... Agent: Fleit Gibbons Gutman Bongini & Bianco P.l.

20080205642 - Image capture apparatus: An image capture apparatus captures an image, and performs an authentication process with an external device. The image capture apparatus encrypts a captured image to generate an encrypted image if the authentication unit succeeds in performing the authentication process, and stores the encrypted image in a recording medium. The image... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080205643 - Method and apparatus for distribution and synchronization of cryptographic context information: Method and apparatus for distribution and synchronization of cryptographic context information is described. An aspect of the invention relates to synchronizing an encryptor and key management logic in a video distribution system. A request message is received from the encryptor. The request message includes authentication data and stream-dependent parameters associated... Agent: Motorola, Inc. Law Department

20080205644 - Method for encrypting and decrypting an image frame: An apparatus for decrypting an image frame receives an encrypted image frame, generates a key frame, changes positions of blocks of the encrypted image frame according to a first key to generate a temporary image frame, and performs XOR with the temporary image frame and the key frame to generate... Agent: Harrity Snyder, LLP

20080205645 - Digital broadcast reception apparatus: A digital broadcast reception apparatus includes a first reception unit for receiving a certain digital broadcast, a second reception unit for receiving another digital broadcast, a control signal reception unit for receiving an update instruction signal that is instruction information indicating an update of software information, and a display control... Agent: Morgan Lewis & Bockius LLP

20080205646 - Computer-readable recording medium storing data decryption program, data decryption method, and data decryption device: A method, device and computer-readable recording medium that stores therein a computer program for data decryption to execute processing when encrypted communication data including encrypted data obtained by encrypting plain text data and communication attributive data representing information of a data size of communicated data is received, the computer program... Agent: Staas & Halsey LLP

20080205647 - Information subscribing system for portable terminal device having autonomous network access: An information subscribing system for portable terminal device 20 having autonomous network access, wherein the portable terminal device 20 communicates to the transmission authentication control protocols platform 2 in conjunction with the information distribution platform 1 over a network connection, the transmission authentication control protocols platform 2 permits the portable... Agent: Scully Scott Murphy & Presser, Pc

20080205648 - Apparatus, and associated method for lengthening data communicated in a radio communication system with padding bytes: Apparatus, and an associated method, for facilitating transmission of block-formatted data by an EDGE-capable mobile station. When the mobile station is instructed to use an MCS-8 modulation coding scheme, in initial transmission of the data, the mobile station determines the amount of data that is to be transmitted. If only... Agent: Research In Motion Attn: Glenda Wolfe

20080205649 - Power distribution system secure access communication system and method: A power distribution system may have source, switching and load components, wherein at least one of the source, switching and load components has a wireless communication capability such that it is operable to act as a wireless communication access point. A mobile station seeking to associate with the one component... Agent: James V. Lapacek S & C Electric Co.

20080205650 - Changing radio access network security algorithm during handover: The invention allows changing a Radio Access Network security algorithm during handover in a manner that is efficient and secure. A security message is received at a mobile station previously using a first security algorithm in communication with a first access point, which message instructs to use a second security... Agent: Squire, Sanders & Dempsey L.l.p.

20080205652 - Content protection system, key data generation apparatus, and terminal apparatus: A content protection system prevents illegal key acquisition, without checking uniqueness of device keys. The content protection system includes a key data generation apparatus and a user terminal. The key data generation apparatus converts first key data, which is for using content, based on a predetermined conversion rule, thereby generating... Agent: Wenderoth, Lind & Ponack L.l.p.

20080205651 - Secure processor system without need for manufacturer and user to know encryption information of each other: A secure processor system capable of improving the security of processor processing by the addition of minimum modules without the need for a manufacturer and a user to know encryption information of each other has been disclosed. The secure processor system includes a secure processor having a CPU core that... Agent: Staas & Halsey LLP

20080205653 - Method and mobility anchor point for authenticating updates from mobile node: A method and Mobility Anchor Point (MAP) are provided for authenticating an update message received at the MAP from a Mobile Node (MN). A table entry is created in the MAP, following receipt of a first message comprising a public key of the MN, a first pointer and a first... Agent: Ericsson Canada Inc. Patent Department

20080205655 - Contact management system and method: In an embodiment of a method of providing contact information, the method includes creating a contact record in a contact management system, where a process associated with a subject of the contact record and/or a recipient of data associated with the contact record is included in creating the contact record.... Agent: Crowell & Moring LLP Intellectual Property Group

20080205654 - Method and security system for the secure and unequivocal encoding of a security module: The present invention relates to a method and a security system for the secure and unequivocal encoding of a security module, in particular a chip card. To this end, a security module (10) is personalized during the manufacturing process in a secure environment in that the manufacturer stores a unique... Agent: Kenyon & Kenyon LLP

20080205656 - System and method for effectively protecting electronic content information: A system and method for effectively protecting electronic content information includes a channel setup module that coordinates a channel setup procedure to create a secure communications channel between a content drive and a display module. A source DRM module transmits a special content key from the content drive to the... Agent: Gregory J. Koerner Redwood Patent Law

20080199003 - Method and apparatus for facilitating secure distributed content delivery: One embodiment of the present invention provides a system that facilitates receiving content from a primary peer and forwarding it to a secondary peer, wherein blocks of the content are sent to the secondary peer prior to all of the blocks of the content being received from the primary peer.... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080199004 - Cipher system: A system including a pseudo-random number generator having a register to store an extended state having a reduced state and a dynamic constant, an initialization module to initialize a part of the extended state based on a Key and/or an Initial Value, a state update module to update the reduced... Agent: Welsh & Katz, Ltd

20080199005 - Signal processor: Original data to be a source for an encryption key is read from a memory cell array and stored in a buffer region. An encryption key generation unit generates a plurality of encryption keys by variously modifying the original data read from the buffer region based on a predetermined generation... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080199007 - Identification of a compromised content player: A system and method for identifying the player that leaked content encryption keys by loading a set of player keys into individual content players and determining the number of encryptions and the number of encryption keys to use in multiple encrypting critical content. The method produces copies of critical data... Agent: Miller Patent Services

20080199006 - Method and apparatus for accessing proteceted data: Consumers of content protected multimedia data, such as e.g. commercially available video DVDS, want to take backup copies of these data, and want to be free to play the data on any suitable playback device, while content providers want to protect these data against pirate copying. The disclosed method for... Agent: Joseph J. Laks Thomson Licensing LLC

20080199008 - Image forming device and image forming method: An image forming device, to which an external storage is detachably connected, is provided with a first password acquiring unit configured to acquire a password input by a user when print data is to be encrypted, and an encrypting unit configured to encrypt the print data in accordance with the... Agent: Mcdermott Will & Emery LLP

20080199009 - Signal watermarking in the presence of encryption: A method is disclosed that enables the transmission of a digital message along with a corresponding information signal, such as audio or video. The supplemental information contained in digital messages can be used for a variety of purposes, such as enabling or enhancing packet authentication. In particular, a telecommunications device... Agent: Demont & Breyer, LLC

20080199010 - Information processing apparatus, information processing method, and computer program: An information processing apparatus for receiving broadcast data and outputting the received data to a client connected to a network includes a broadcast receiving unit that receives broadcast data; an encryption processor that performs encryption processing on the broadcast data received by the broadcast receiving unit; a data accumulation unit... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080199011 - Transponder system for transmitting key-encrypted information and associated keys: A transponder (1) comprises at least one memory (MEM1, MEM2) for storing encrypted information (E_k(EPC, PI)) that has been encrypted by use of a key (k) and for storing the key (k) associated with the encrypted information (E_k(EPC, PI)). The transponder (1) is adapted to send the key (k) slower... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080199012 - Method for identifying a server device in a network: According to an aspect of an embodiment, an apparatus connectable to a storage device through a network, comprising: a network interface module for connecting the apparatus to the storage device through the network; a memory for storing identification information identifying said network interface module in said network; a receiving module... Agent: Staas & Halsey LLP

20080199013 - Network set-up device: A network device adapted to communicate with other devices over a network, the device being arranged to, when the device is connected to a physical data carrier, automatically store a representation of a security key on the data carrier, and to provide at least one service over the network only... Agent: Greenberg Traurig LLP (la)

20080192924 - Data encryption without padding: The present invention relates generally to data encryption. In particular, the present invention relates to methods of block cipher encryption and decryption. Embodiments of the present invention avoid padding in encrypting plain text messages having lengths that are non-integral multiples of a pre-determined block size. As such, encryption overhead savings... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080192926 - Des hardware throughput for short operations: A symmetric key cryptographic method is provided for short operations. The method includes batching a plurality of operation parameters (1503), and performing an operation according to a corresponding operation parameter (1505). The symmetric key cryptographic method is a Data Encryption Standard (DES) method. The short operations can be less than... Agent: F. Chau & Associates, Llc

20080192925 - Means and method for ciphering and transmitting data in integrated networks: The invention provides a method for ciphering and transmitting data, to be used by a communication device being arranged to transmit data through a first data port (241, 2002) according to a first transmission protocol, and to form ciphered exploiting a ciphering algorithm being fed with a first set of... Agent: Ericsson Inc.

20080192927 - Method for controlling access to encrypted data: The invention concerns a method for controlling access to encrypted data (CT) by control words (CW), said control words being received by a security module in control messages (ECM) and returned to a unit operating on the encrypted data. Said control messages (ECM) contain at least one first control word... Agent: Dla Piper Us LLP Attn: Patent Group

20080192928 - Portable electronic storage devices with hardware security based on advanced encryption standard: Portable electronic storage devices with hardware based security are described. According to one exemplary embodiment of the present invention, a portable electronic storage device (PESD) comprises a security engine integrated thereon. The security engine is configured to provide data encryption, data decryption, and encryption/decryption key (referred to as a key)... Agent: Roger H. Chu

20080192929 - Secure communication unit: A vehicle having electrical or electronic components connected to a communication network also has a security unit connected to the network. This security unit in turn has at least one cryptography module connected to the communication network and with which cryptographic codes are generated, stored, managed or processed and at... Agent: K.f. Ross P.c.

20080192930 - Method and system for securely scanning network traffic: A method and system for implementing secure network communications between a first device and a second device, at least one of the devices communicating with the other device via a firewall device, are provided. The method and system may include obtaining an encryption parameter that is shared by the first... Agent: At&t Corp.

20080192934 - Conditional access system: A conditional access system in which entitlement control messages (ECMs) containing the encryption keys used to encrypt a program transmission, are sent to a set-top box over a secure communications channel separate from the channel used for transmission of the encrypted program.... Agent: Banner & Witcoff, Ltd.

20080192931 - Method for allocating authorization key identifier for wireless portable internet system: The present invention relates to a method for allocating an authorization key identifier in a wireless portable Internet system. In a privacy key management version 2 (PKMv2) of the wireless portable Internet system, a base station generates PAK identifier, PMK identifier, and authorization key identifier for distinguishing a primary authorization... Agent: Jefferson Ip Law, LLP

20080192932 - Method of securely reading data from a transponder: The invention discloses a method of reading data (dat) from a first transponder (TAG1) into a transceiver (REA). Said (dat) are only transmitted from the first transponder (TAG1) to the transceiver (REA) when a second transponder (TAG2) is present within the RFID communication range of the transceiver (REA) and if... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080192933 - Portable electronic entity and communication method: e

20080192935 - Receiver, transmitter and communication control program: A transmitter has a network interface unit connected to a wireless network capable of transmitting contents for which copyright protection is necessary, an encryption processing unit configured to encrypt contents for which copyright protection is necessary, an RTT measuring unit configured to measure a round trip time after a predetermined... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080192936 - Method for controlling access to encrypted content using multiple broadcast encryption based control blocks: An apparatus and a method are provided for selectively accessing digital content carried on a distribution medium such as a physical medium or a broadcast medium. In one embodiment, a plurality of digital content items are encrypted under a plurality of different key management blocks, wherein each key management block... Agent: Ibm Corporation (ss)

20080192937 - System and method for generalized authentication: A system, method, and program product is provided that uses environments to control access to encryption keys. A request for an encryption key and an environment identifier is received. If the encryption key is not associated with the environment identifier, the request is denied. If they are associated, the system... Agent: Lenovo - Jvl C/o Vanleeuwen & Vanleeuwen

20080192938 - Method and system for data encryption/decryption key generation and distribution: System and method for generating and distributing an encryption/decryption key are disclosed and may include generating one or more keys by a key generator integrated within a chip. The generated one or more keys may be communicated directly from the key generator, via an on-chip broadcast serial link, to one... Agent: Mcandrews Held & Malloy, Ltd

20080192939 - Method for broadcast encryption and key revocation of stateless receivers: A tree is used to partition stateless receivers in a broadcast content encryption system into subsets. Two different methods of partitioning are disclosed. When a set of revoked receivers is identified, the revoked receivers define a relatively small cover of the non-revoked receivers by disjoint subsets. Subset keys associated with... Agent: Rogitz & Associates

20080192940 - Method for backing up and restoring an encryption key: The present invention allows creation of a backup key for backing up an encryption key inside a source trusted chip, encrypting the encryption key with the backup key, exporting the encrypted encryption key from the source trusted chip and storing it in a storage device, encrypting the backup key for... Agent: Kinney & Lange, P.a.

20080187132 - Apparatus for encryption and method using the same: An encryption apparatus and method is provided. The encryption apparatus includes a first block cipher which block-encrypts an N-bit input into an M-bit output in which M is greater than N; a parallel processor which divides the M-bit output into at least two N-bit inputs, and block-encrypts each of the... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080187133 - Encryption code processing circuit, operation device and electronic apparatus: An encryption processing circuit includes: a rewritable ferroelectric memory including an encryption table containing one or more data codes paired with encryption codes that are the data codes encrypted, a first region for storing the encryption codes, and a second region for storing the data codes, wherein, when the encryption... Agent: Harness, Dickey & Pierce, P.L.C

20080187134 - Method and device for the encryption and decryption of data: Digital data blocks are encrypted, each data block that is to be encrypted being associated with a time reference. A value of an initialization vector VI and an encryption key K are defined. Then, a counter C is obtained for each data block to be encoded, by combining the time... Agent: Mckenna Long & Aldridge LLP

20080187135 - Content replication deterrent method on optical discs: Through embodiments, an optical medium is disclosed which includes features for presenting alphanumeric text and graphics which can be made discernable or indiscernible.... Agent: Kelley Drye & Warren LLP

20080187138 - Apparatus and method for determining uplink ciphering activation time in universal mobile telecommunications system user equipment: The details of an apparatus and method for determining uplink ciphering activation time in universal mobile telecommunications system user equipment are disclosed herein. The ciphering activation time is determined for radio bearers other than RB2 by measuring the data rate on each target radio bearer during the time that it... Agent: Docket Clerk

20080187137 - Method and apparatus for ensuring privacy in communications between parties: A method of improving privacy by hiding, in an ordered sequence of messages M[x(1), D(1)], M[x(2), D(2)], etc, communicated between a first and at least one second party sharing a key k, metadata x(i) descriptive of message processing, wherein D(i) denotes payload data. The method comprises the first and the... Agent: Nixon & Vanderhye, PC

20080187136 - Systems and methods for use with orthogonal frequency division multiplexing: Systems and methods are provided for enabling H-ARQ communication between a base station and one or more wireless terminals. Methods for enabling incremental redundancy (IR) based H-ARQ, Chase based H-ARQ and Space-Time Code combining (STC) based H-ARQ between devices for down-link and up-link direction transmissions are provided in the form... Agent: Smart & Biggar P.o. Box 2999, Station D

20080187139 - Semiconductor device, smart card, and electrnoic apparatus: A semiconductor device includes: a rewritable ferroelectric memory including an encryption table containing one or more data codes paired with encryption codes that are the data codes encrypted, a first region for storing the encryption codes, a second region for storing the data codes, and a third region for storing... Agent: Harness, Dickey & Pierce, P.L.C

20080187140 - Method and system of securely transmitting electronic mail: A method of encrypting email where a email is intercepted from an email sender, a public and private key pair is generated, and the private key is used to encrypt the email. A secure connection is then established with a server and the private key is sent to the server.... Agent: Alfred C. Roth