Cryptography inventions 06/07

20070147603 - Copyright protection system, modular exponentiation operation apparatus, and modular exponentiation operation method: A copyright protection system is provided that keeps manufacturing costs down regardless of the total number of playback apparatuses belonging to the system. In this system, a device key generating unit of a key management apparatus performs a modular exponentiation operation on a random number with an inverse element of... Agent: Wenderoth, Lind & Ponack L.L.P.

20070147604 - Integrated circuit having advanced encryption standard core and wrapper for validating advanced encryption standard core: Disclosed is an integrated circuit having an encryption core. The integrated circuit includes an encoder configured to encrypt an input plaintext using a first cipher key to produce a ciphertext, a decoder configured to decrypt the ciphertext using a second cipher to produce a decrypted plaintext, and a comparator configured... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20070147605 - System and method for authenticating software using protected master key: A processing unit includes a read-only encryption key. Software is loaded into a system memory area from a non-volatile storage device. Software code image that resides in the system storage area includes a prefix value and a suffix value. The prefix value is combined with the master key from the... Agent: Joseph T. Van Leeuwen

20070147606 - Selective privacy guarantees: Systems and methods are provided for selectively determining privacy guarantees. For example, a first class of data may be guaranteed a first level of privacy, while other data classes are only guaranteed some lesser level of privacy. An amount of privacy is guaranteed by adding noise values to database query... Agent: Woodcock Washburn LLP (microsoft Corporation)

20070147607 - 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: Dowell & Dowell, P.C.

20070147608 - Random binary sequence generator: According to the invention, the sequence is produced from a fingerprint sensor and an analog-to-digital converter. The random binary sequence is produced from low order bits from the converter. Said sensor comprises a matrix of preferably pyroelectric detectors. The order of the bits is scrambled by a reorganization circuit, and... Agent: Lowe Hauptman Gilman & Berner, LLP

20070147609 - Information processing method and information processing apparatus: An apparatus and a method for processing video and audio information therein, comprising: an encrypting circuit for coping with a copyright management system, which adopts an encrypting method differing from each other depending on a region where it is used; and an input portion, through which information of the region... Agent: Mcdermott Will & Emery LLP

20070147610 - Methods and systems for providing authenticated digital information: Embodiments of the present invention comprise systems, methods and devices for providing digital data authentication at an imaging device.... Agent: Krieger Intellectual Property, Inc.

20070147611 - Method and apparatus for storing and retrieving encrpted programming content using an asymmetric key arrangement: A set top box is provided that includes a receiver/tuner for receiving programming content over a broadband communications network, a secure memory configured to store at least a first cryptography key to be used to encrypt and decrypt the programming content, and a digital storage medium for storing encrypted programming... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20070147612 - Deriving cryptographic keys: A method of deriving a cryptographic key from a token. The method comprises ascertaining an attribute of an emission from the token; processing the attribute to generate a seed; and deriving a cryptographic key from the seed. The attribute may be luminescence intensity values of a token. The method may... Agent: Michael Chan Ncr Corporation

20070147613 - Low i/o bandwidth method and system for implementing detection and identification of scrambling codes: A system for detecting and identifying the identity of a base station or cell which transmits a scrambling code is provided. According to one aspect of the system, the system is used to perform scrambling code detection of eight (8) primary cells (each scrambling code being spaced sixteen (16) chips... Agent: Stevens Law Group, P.C.

20070147617 - Device for transfering data between an unconscious capture device and another device: Apparatuses and methods are disclosed for accessing and distributing data that includes a portable first device and a second device wherein both devices have unconscious capture capability. The first device has a first memory wherein at least one document is stored in the first memory of the first device. The... Agent: Blakely Sokoloff Taylor & Zafman

20070147614 - Method and system for rendering read-only storage medium virtually re-writable: A method (1,2) of and system (3) for rendering a removable read-only storage medium (30) virtually re-writable by providing a unique medium identifier (43) for the read-only storage medium (30) and by providing a link to a networked storage area of a mass storage device, wherein access to said storage... Agent: Philips Intellectual Property & Standards

20070147616 - Method for indicating enciphering of data transmission between a mobile communication network and a mobile station: The invention relates to a method for indicating enciphering of data transmission between a mobile communication network and a mobile station (MS) in the mobile communication network, wherein signals transferred between a mobile communication network and a mobile station are monitored, and on the basis of the signal monitored, the... Agent: Perman & Green

20070147615 - Security system: A security system. The security system for a protected object comprises a first wireless module, a central controller, and a remote authorization server. The first wireless module and the central controller are disposed in the protected object. The first wireless module transmits an authorization request with an authorization ID (identification)... Agent: Birch Stewart Kolasch & Birch

20070147620 - Method for encryption key management for use in a wireless mesh network: A method for managing secure routing keys (200) for on-demand routing protocols used in a wireless mesh network includes sending an secure routing key from a key distribution node to an access node (201). A temporary communications route which is time and usage limited is initiated (203) between a wireless... Agent: Motorola, Inc Intellectual Property Section

20070147618 - Method for safeguarding data traffic between a first terminal and a first and a second terminal and a second network: To safeguard data transmission, a first terminal communicates in a first network with the aid of at least one session key and a second terminal communicates in a second network with the aid of at least one session key. The first terminal is connected to the second terminal through a... Agent: Staas & Halsey LLP

20070147619 - Methods and system for managing security keys within a wireless network: A system for managing security keys in a wireless network includes a manufacturer certification authority (MCA) for providing a signed digital MCA certificate for installation into a new network element (NE) at the manufacturer's facility prior to the new NE being installed and initialized in the network. The MCA also... Agent: Harness, Dickey & Pierce, P.L.C

20070147621 - Cryptoanalysis method and system: A cryptanalysis method comprising: (A)Perfonning a ciphertext-only direct cryptanalysis of A5/1 and (B) Using results of Step (A) to facilitate the decryption and/or encryption of further communications that are consistent with encryption using the session key and/or decryption using the session key, wherein the cryptanalysis considers par t of the... Agent: Elad Barkan

20070140478 - Encryption apparatus and encryption method: An encryption apparatus for generating a ciphertext block from a plaintext block is disclosed. A selector selects at random one mask random number from a plurality of random numbers generated by a random number generator. A mask processing unit executes mask processing of a plaintext block by using the mask... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070140477 - Memory encryption for digital video: A method for protecting data between a circuit and a memory is disclosed. The method generally includes the steps of (A) generating a particular address among a plurality of addresses for accessing a particular area among a plurality of areas in the memory, (B) determining a particular key among a... Agent: Lsi Logic Corporation

20070140480 - Key update system, key management device, communication terminal, and key information construction method for multihop network: The invention provides a key update system for a multihop network system including an authentication management device that manages keys using a hierarchical structure. That device constructs key information having a hierarchical structure in accordance with the structure of the multihop network. In addition, that device determines respective encryption keys... Agent: Rabin & Berdo, PC

20070140479 - Privacy-preserving data aggregation using homomorphic encryption: A method and system for collecting data from devices using a homomorphic encryption of the data is provided. A collection system of a device adds contributions to homomorphically encrypted data and forwards the requests to another device. When the device receives a reply to the request, it uncombines its contribution... Agent: Perkins Coie LLP/msft

20070140481 - Data sequence encryption and decryption: A device and method of encrypting a sequence. The method (300) encrypts data (Di) over a sequence of encryption periods (Ti) by generating (315) a sequence of forward encryption keys (GKfi) each associated with a respective encryption period (Ti). Each forward encryption key is generated recursively by applying a forward... Agent: Motorola, Inc.

20070140483 - Combination-based broadcast encryption method: A combination-based broadcast encryption method includes: assigning by a server a base group of different combinations to each user; producing and sending secret information for each user by using as a base the base group allocated to each user; producing and sending an inverse-base parameter value through calculations with integers... Agent: Sughrue Mion, PLLC

20070140484 - Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method: The invention provides an enciphering apparatus and method, a deciphering apparatus and method and an information processing apparatus and method by which illegal copying can be prevented with certainty. Data enciphered by a 1394 interface of a DVD player is transmitted to a personal computer and a magneto-optical disk apparatus... Agent: Frommer Lawrence & Haug

20070140482 - Method for storing data in a random access memory and encryption and decryption device: The invention relates to a method of storing data in a random access memory and to an encryption and decryption device. According to the method of storing data in a random access memory in which data words, each comprising a predetermined number of data bits, are storable, an encryption of... Agent: O'shea, Getz & Kosakowski, P.C.

20070140485 - Method and circuit for generating random numbers, and computer program product therefor: A random number generator uses the output of a true random generator to alter the behavior of a pseudo-random number generator. The alteration is performed by a mixing logic that builds a random seed for the pseudo-random number generator and includes a generator of an alteration signal, the generation of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070140486 - Triple churning: A data encryption-decryption method includes the steps of receiving a data byte N and performing a triple-churning operation on byte N to obtain an encrypted byte N. Preferably, the triple-churning operation includes performing a first churning operation to obtain a first churned output, bit-wise XORing the first churned output with... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070140487 - Method and apparatus for secure transport and storage of surveillance video: Security information such as fixed or dynamically received camera location information, laser signature information, timestamp information, and network information, may be used to secure the transport and storage of surveillance video. Where the surveillance video is to be transported on a communication network, the round trip time from a video... Agent: John C. Gorecki, Esq.

20070140488 - Restriction of broadcast session key use by secure module decryption policy: A method is provided for restricting or enhancing broadcast content access on a per-subscriber basis across a population of subscribers, all of whom have a valid content access key to such content, without necessitating changes to the current standard schemes and protocols for distributing content access keys and broadcasting the... Agent: Bingham Mccutchen LLP

20070140489 - Secure and anonymous storage and accessibility for sensitive data: The subject disclosure pertains to secure and anonymous data storage and access. More particularly, encryption methods and mechanisms are provided in conjunction with one or more blobs, identities, and guards to implement one or more layers of indirect encryption. Generation of these components can be accomplished without including or pointing... Agent: Amin. Turocy & Calvin, LLP

20070140490 - Content receiving apparatus: A content receiving apparatus, capable of resuming transmission of a content without assigning a new key even when transmission of the content is suspended, is provided. A content receiving apparatus is an apparatus which receives contents. The content receiving apparatus includes: a key exchange unit which exchanges, with a content... Agent: Mcdermott Will & Emery LLP

20070140491 - Method for setting up radio bearer in mobile communication system: A method for setting up a radio bearer in a radio interface protocol, including transferring ciphering performance information from a designated layer to a radio resource control (RRC) layer, transferring the ciphering performance information from the RRC layer to a radio link control (RLC) layer, and enciphering data at the... Agent: Ked & Associates, LLP

20070140492 - Simple encrypted transmission system suitable for intermittent signals: A signal transmitted from a first device to a second device is encrypted using an encryption key generated from a preceding part of the signal itself. The signal is decrypted in the second device using a decryption key generated from a preceding part of the received and decrypted signal. This... Agent: Venable LLP

20070140493 - Method for securing data traffic between mobile radio network and ims network: Data traffic between a mobile radio network and an IMS network is secured by first authenticating a mobile subscriber in the mobile radio network and in the IMS network. Next, an examination is carried out to check whether the identity of the mobile subscriber authenticated in the IMS network corresponds... Agent: Staas & Halsey LLP

20070140494 - System and method for providing variable security level in a wireless communication system: A system and method for providing variable security levels in a wireless communication network. The present invention optimizes the often conflicting demands of highly secure wireless communications and high speed wireless communications. According to a preferred embodiment of the present invention, various security sensors are scanned to determine the likely... Agent: Volpe And Koenig, P.C. Dept. Icc

20070140495 - Qkd with classical bit encryption: A method for enhancing the security of a quantum key distribution (QKD) system having QKD stations Alice and Bob. The method includes encrypting key bits generated by a true random number generator (TRNG) and sent to a polarization or phase modulator to encode weak optical pulses as qubits to be... Agent: OpticusIPLaw, PLLC

20070140496 - Escrow compatible key generation: A method of managing encryption keys creates a new encryption key as a predictable and retrospectively repeatable function of a current encryption key. Information is then encrypted or authenticated using the new encryption key. In one embodiment, the generation of a new encryption key is triggered as a function of... Agent: Honeywell International Inc.

20070133789 - Compiling device and method for compiling: A compiling device for generating a second program sequence from a first program sequence comprises a recognizer for recognizing a first subarea and a second subarea of the first program sequence, and a selector for selecting instructions from a set of instructions of the second program sequence formed to select... Agent: Dickstein Shapiro LLP

20070133791 - Method for controlling security channel in mac security network and terminal using the same: A method for controlling a security channel for reducing system load by extending the use period of a security association key is provided. In this method, an upper bit initial value of an initialization vector of an encryption algorithm and a using range thereof are shared between a transmitting side... Agent: Lowe Hauptman Berner, LLP

20070133790 - Random number generator and method for generating random number: A random number circuit includes an oscillator capable of generating a clock signal including a sequence of clocks at a center frequency, the clock signal having a frequency offset from the center frequency, a reset circuitry capable of generating a reset signal indicating a transition from a first state to... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070133792 - Image processing apparatus, control method therefor, computer program, and computer-readable storage medium: Image processing apparatus receives an original document on which confidential information is written, and outputs an image upon converting it in a form which allows only a specific person or terminal to read the contents. The original image data read by a reading unit is stored in a memory. Area... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20070133793 - Data processor and data processing method: According to one embodiment, a data processing method of a data processor for storing data into a recording medium having a first storage area which allows access from only specific applications complying with a copyright protection technique and a second storage area which allows access from the specific applications and... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070133794 - Projection of overlapping sub-frames onto a surface: A method of displaying an image with a display system is provided. The method comprises generating first and second sub-frames using first and second subsets of image data based on a relationship between a first projection device and a second projection device, wherein the first and the second subsets of... Agent: Hewlett Packard Company

20070133795 - Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device: A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The apparatus comprises a tuner, for receiving a data stream comprising encrypted access control information and the program material encrypted according to a first encryption key, the access control information including the first encryption key;... Agent: The Directv Group Inc

20070133796 - Broadcasting receiving apparatus and broadcasting receiving method: Disclosed a digital-broadcasting receiving apparatus including: a scramble judgment member, a decode judgment member, a first registration member to register the sub-channel as a viewable channel when the decode judgment member judges that the broadcast data can be decoded, a second registration member to register the sub-channel as a viewable... Agent: Crowell & Moring LLP Intellectual Property Group

20070133797 - Conditional access method and devices: A data stream contains content data that can be decrypted using control words. ECM messages that are included in the stream and contain the control words that is required for decrypting nearby content data. EMM messages contain management information for entitling selected stream receiving devices to decrypt content data from... Agent: Philips Intellectual Property & Standards

20070133798 - Quantum cryptography on a multi-drop optical network: A system includes an optical network unit and a head-end or central office connected to a multi-drop optical network. The optical network unit transmits dim optical pulses via the multi-drop optical network using quantum cryptographic mechanisms to distribute encryption key symbols, where the dim optical pulses include one of single-photon... Agent: Harrity Snyder, LLP

20070133799 - Detector autocalibration in qkd systems: A method (300) of performing photon detector autocalibration in quantum key distribution (QKD) system (200) is disclosed. The method (300) includes a first act (302) of performing a detector gate scan to establish the optimum arrival time of a detector gate pulse (S3) that corresponds with a maximum number of... Agent: OpticusIPLaw, PLLC

20070133800 - Method for setting security channel based on mpcp between olt and onus in epon, and mpcp message structure for controlling frame transmission: Provided is a method for setting a security channel between an OLT and at least one ONU in an EPON. In detail, a channel is generated by which the OLT makes a reciprocal security capability agreement with the ONU that wants to set a security channel in a discovery interval... Agent: Blakely Sokoloff Taylor & Zafman

20070133801 - Pulse position based-chaotic modulation (ppb-cm) communication system and method: A PPB-CM communication system and method. The PPB-CM communication system includes a transmitter which splits a symbol period, which is a transmission unit of a communication signal, into at least a pair of parts, inserts a data signal into one of the parts, and transmits a communication signal having the... Agent: Sughrue Mion, PLLC

20070133802 - Input device, input method and application of electronic cipher code lock: The invention provides an input device of the electronic cipher code lock and a corresponding input method thereof, wherein a signal device produces cipher code input information and converts said information into two groups of electrical pulse signals; a measurement and control device measures the electrical pulse signals, decides the... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20070133803 - Method, apparatus and program for establishing encrypted communication channel between apparatuses: A method for establishing an encrypted communication channel between a first apparatus and a second apparatus by using a session management apparatus. The method includes: establishing a first encrypted communication channel between the session management apparatus and the first apparatus by performing mutual authentication between the session management apparatus and... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070133805 - Method for transmitting/receiving encryption information in a mobile broadcast system, and system therefor: A system and method for transmitting/receiving encryption information in a mobile broadcast system supporting broadcast service (BCAST) are provided. In the mobile broadcast system, a BCAST Subscription Management (BSM) manages subscriber information of a terminal, and transmits to a BCAST Service Distribution/Adaptation (BSD/A) a first delivery message including a Registration... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070133804 - Techniques to scramble wireless communications: An embodiment of the present invention provides a method, comprising scrambling data prior to transmission by a transmitter, wherein the scrambling is capable of being either random or by use of one of a plurality of scrambler seeds.... Agent: Intel Corporation C/o Intellevate, LLC

20070133806 - Information processing method, decryption method, information processing device, and computer program: A configuration by which amounts of information to be stored in equipment for decrypting a ciphertext can be reduced in a cipher text supplying configuration to which a tree structure based on a SD scheme is applied. An intermediate label from which special subset corresponding labels among labels respectively corresponding... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070133807 - Tag authentication apparatus and method for radio frequency identification system: A radio frequency identification (RFID) tag authentication apparatus and method for accomplishing quick authentication and solving privacy problems using a hash algorithm are provided. An RFID tag includes a memory unit storing a tag's secret information and a group's secret information and a hash chain computation unit encrypting secret information... Agent: Blakely Sokoloff Taylor & Zafman

20070133808 - Method for allocating session key across gatekeeper zones in a direct-routing mode: A method for allocating session key across gatekeepers in a direct-routing mode, including the following steps: a caller's GK and a callee's GK allocate a session key for a caller and a callee between through a Diffie-Hellman (DH) negotiation. The method of the present invention can allocate the session key... Agent: Baker & Hostetler LLP

20070127716 - Text-input device and method: A text-input device and method is provided. The device includes a display unit that displays a user interface, which is divided into a plurality of areas each including a plurality of cells where predetermined text is displayed, an input unit that includes a plurality of text-input units to provide a... Agent: Stein, Mcewen & Bui, LLP

20070127717 - Device and method for analyzing an information signal: For analyzing an information signal having a sequence of blocks of information units, wherein a plurality of consecutive blocks of the sequence of blocks represents an information entity, using a sequence of fingerprints for the sequence of blocks, identification results are provided for consecutive fingerprints, wherein an identification result represents... Agent: Glenn Patent Group

20070127718 - Method and apparatus for generating true random numbers by way of a quantum optics process: A method and apparatus for generating true random numbers by way of a quantum optics process uses a light source to produce a beam which illuminates a detector array. The detectors of the array are associated with random numbers values. Detection of a photon by one of the detectors yields... Agent: Moetteli & Associates Sarl

20070127719 - Efficient management of cryptographic key generations: The invention generally relates to management of cryptographic key generations in an information environment comprising a key-producing side generating and distributing key information to a key-consuming side. A basic concept of the invention is to define, by means of a predetermined one-way key derivation function, a relationship between generations of... Agent: Nixon & Vanderhye, PC

20070127721 - Method and apparatus for hiding a private key: A method and system for hiding an encryption key. The method including creating a directed graph having a plurality of vertices and edges, including a source and a sink vertex. Each vertex has a vertex value. The source vertices have a common source value, and the sink vertices have a... Agent: Bose Mckinney & Evans LLP James Coles

20070127722 - Method and apparatus for managing a key management system: A network system for key management, including a server, a key management system providing process logic for key management system management located on the server, a key management system storage providing a secure data storage for the key management system, an application using the key management system to manage an... Agent: Osha . Liang L.L.P. / Slb

20070127720 - Timeline protection: A method and system for timecode generation including: receiving an encryption key and an implemented encryption method, for each one of a plurality of frames, receiving a timecode and an associated presentation time stamp (PTS) associated with the one frame, for each one of the plurality of frames, encrypting the... Agent: Welsh & Katz, Ltd

20070127723 - Server pool kerberos authentication scheme: The present disclosure relates to the authenticating a client against a pool of servers utilizing a secure authentication protocol, and, more specifically, to the authenticating a client against a pool of servers providing a common service, utilizing the Kerberos secure authentication protocol.... Agent: Intel/blakely