Cryptography inventions 06/09

20090161863 - Hardware implementation of the secure hash standard: An integrated circuit for implementing the secure hash algorithm is provided, According to one aspect of the integrated circuit, the integrated circuit includes a data path and a controller controlling operation of the data path. According to another aspect of the integrated circuit, the data path is capable of handling... Agent: Nixon Peabody, LLP

20090161864 - Block cipher aria substitution apparatus and method: A block cipher ARIA substitution apparatus, the apparatus includes a first Sbox operation unit for performing operations of a substitution box S1 and a substitution box S1−1; a second Sbox operation unit for performing operations of a substitution box S2 and a substitution box S2−1; and a control unit for... Agent: Ladas & Parry LLP

20090161865 - Diffused data encryption/decryption processing method: The present invention discloses a diffused data encryption/decryption processing method, which comprises a plaintext, being at least a 2D matrix; and a password, being at least a 2D matrix; such that the password determines the starting point of the diffusion, the length of the diffusion, the cycle of diffusion, the... Agent: Ckc & Partners

20090161866 - Secure communication method and system: A system for providing secure communication of a message between parties is provided. The system includes first and second communication devices. The first communication device includes a first list of numbers and a first number selector for periodically selecting a different number in the first list. The first communication device... Agent: Darby & Darby P.C.

20090161867 - Method and system for authenticating a user receiving device into a primary service provider system to communicate with a partner service provider: A method and system for authenticating a user receiving device to communicate with a partner service device includes a primary service provider. A user receiving device generates a request for a first encrypted token. The user receiving device communicates the request for the first encrypted token to an authentication web... Agent: The Directv Group, Inc. Patent Docket Administration

20090161868 - Method and system for securely communicating between a user network device, a primary service provider and a partner service provider: A system and method is set forth for communicating between a user network device, a partner service provider, a primary service provider and a user network device. The user network device initiates an account set-up page from the partner service provider, provides primary service account data in response to the... Agent: The Directv Group, Inc. Patent Docket Administration

20090161869 - Method for distributing encrypted digital content: A method for distributing encrypted digital content is disclosed in the invention. Firstly, a digital content of a source is encrypted via a symmetric key encryption mechanism by using a first public key, so as to generate an encrypted digital content; the first public key is also encrypted to generate... Agent: Bacon & Thomas, PLLC

20090161870 - Method for keyless protection of data using a local array of disks: A method secures data in a network. The data includes a data message that has a first bit length. A random number is generated and transformed to create a first pseudo random number. The first pseudo random number is mixed with the data message to create an encrypted message. The... Agent: Christopher & Weisberg, P.A.

20090161871 - Method and system for providing a generic program guide data from a primary content provider to a user network device through a partner service provider: A system and method for providing program guide data includes a partner service provider generating a request for a first encrypted token using a partner site identifier and a primary service provider having an authentication web service receiving the request for the first encrypted token. The primary service provider validates... Agent: The Directv Group, Inc. Patent Docket Administration

20090161872 - Contact-less tag with signature, and applications thereof: A method, comprising: receiving an encrypted signature from a tag associated with an item; determining a dynamic parameter; obtaining a key based at least in part on the dynamic parameter; decrypting the signature with the key to obtain an identifier; and performing an action related to identification of the item,... Agent: Smart & Biggar

20090161874 - Key management method for security and device for controlling security channel in epon: A key management method for encrypting a frame in an Ethernet passive optical network (EPON) is provided. In the method, secure parameters including secure keys and their association numbers which are used in the present or will be used in the next by each secure channel are managed by composing... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090161873 - Method and apparatus for key management in an end-to-end encryption system: A method executed by a first network entity in communication with a second network entity. The method comprises maintaining a first key bank containing a key designated as an active key for the first network entity; maintaining a second key bank containing a key designated as a standby key for... Agent: Smart & Biggar

20090161875 - Mini time key creation memory medium and system: To provide a method and a system for creating a mini time key from a time key, a plurality of mini time keys are created within a unit time period. First, a unit time decryption key is prepared immediately after the unit time is created. Then, the last mini time... Agent: International Business Machines Corporation Richard Lau

20090161876 - Methods and systems for secure channel initialization transaction security based on a low entropy shared secret: Methods and systems for secure channel initialization transaction security between a client network element and a server network element are disclosed. In accordance with one embodiment of the present disclosure, the method includes: choosing a random client ephemeral private key at a client network element; utilizing the client ephemeral private... Agent: Moffat & Co

20090161877 - Method, system, and computer program product for encryption key management in a secure processor vault: A method for encryption key management including accepting authenticated unencrypted data into a processor of a server computing device that is configured as a private key secure processor vault, the operation of which is isolated from other components of the server computing device thereby preventing unauthorized access to the processor... Agent: Cantor Colburn LLP-ibm Poughkeepsie

20090161878 - Encryption communication apparatus and method for controlling transfer period of key resynchronization information: An apparatus and method for controlling a packet transfer period of key resynchronization information in an encryption communication system are provided. The encryption communication apparatus includes a receiving means that computes a packet loss ratio and a network transfer delay time through a received packet when the packet is received... Agent: Ladas & Parry LLP

20090154693 - Encryption processing apparatus, encryption method, decryption processing apparatus, decryption method and data structure: To allow encryption by setting conditions of decryption variously. Encrypted data obtained by encrypting subject data has header data 501, basic condition data 502, encrypted condition data 503 and encrypted cut data 504. The basic condition data 502 includes data on a condition for allowing or prohibiting decryption of the... Agent: Paul, Hastings, Janofsky & Walker LLP

20090154694 - Contents management system, and contents management device: Provided is a content management device, which is connected with a plurality of terminal devices for performing a content moving operation while considering the conveniences of the users of the individual terminal devices. The content management device comprises a content storage unit stored with one or more contents, a move... Agent: Wenderoth, Lind & Ponack L.L.P.

20090154695 - Managing a plurality of cached keys: In a method of managing a plurality of cached keys, a determination is made as to whether to generate an additional key for the plurality of cached keys. If it is determined to generate the additional key, control of a central processing unit is acquired and a first current time... Agent: Hewlett Packard Company

20090154696 - System and method for secure keypad protocol emulation in a fuel dispenser environment: A system used in a retail environment, such as a fuel dispensing environment, for providing secure communication of payment information to a host computer. The system includes at least one keypad device configured to receive and encrypt personal information according to a first encryption scheme to produce encrypted personal data.... Agent: Nelson Mullins Riley & Scarborough, LLP

20090154697 - Digital rights management system and method: A system and a method for providing variable security mechanisms for securing digital content, in which a single security mechanism is not used for all content. Instead, at least one characteristic or feature of the security mechanism is varied between units, instances or categories of content. Therefore, even if unauthorized... Agent: Darby & Darby P.C.

20090154698 - Video processing system for scrambling video streams with dependent portions and methods for use therewith: A video processing system includes a video encoder that encodes a video signal into a contiguous video stream having an independent portion and a dependent portion that requires the independent portion for decoding. A scrambling module scrambles the contiguous video stream to produce a scrambled video stream by scrambling the... Agent: Garlick Harrison & Markison

20090154699 - Network-based data exchange: A method associated with the exchange of information over a network may include receiving a request for information from a first entity, identifying a second entity based on the request and receiving information from the first entity defining data or a type of data to be provided by the second... Agent: Verizon Patent Management Group

20090154700 - Generation of a pseudorandom data sequence: A method of generating a pseudorandom data sequence, wherein said pseudorandom data sequence is generated by a procedure for searching for a search pattern in an initial data sequence of N bits, said search procedure comprising the following steps: (a) detecting in said initial data sequence a particular search pattern... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090154702 - 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 a random number. If the temporary user... Agent: Ntt Mobile Communications Network I/bhgl

20090154701 - On device number lock driven key generation for a wireless router in wireless network security systems: The present invention solve the problems in the prior art by a embedding a number lock system on the router which serves as a input mechanism for entering the shared key or a shared seed which generates a shared key. A combination of numbers and letters may be used on... Agent: Hoffman Warnick LLC

20090154705 - Apparatus and method for facilitating cryptographic key management services: A cryptographic key management system includes executable instructions to control access to keys based on permissions for users and groups. Executable instructions support cryptographic operations on the keys through a network application program interface. The cryptographic operations are controlled by the permissions. The cryptographic operations are distributed between the servers... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20090154703 - Content protection using encryption keys where only part of the private key is associated with end user data: The current invention addresses the problem of securely encrypting video content or any other content where a secret symmetrical key is used to decrypt the data by a hardware device such as a DVD player. The invention uses the same length of symmetrical key as used by current technology but... Agent: Law Office Of Scott C Harris Inc

20090154704 - Method and apparatus for securing content using encryption with embedded key in content: Method and apparatus enabled by computer (or equivalent) hardware and software for protection of content such as audio and video to be downloaded or streamed over a computer network such as the Internet. The content is provided to the user via streaming or downloads in encrypted form. The encryption is... Agent: Apple C/o Mofo Nova

20090154706 - Method and apparatus for establishing communication via service provider: Provided are a method and apparatus for establishing communication via a service provider providing a service of establishing communication between a transmitting terminal and a receiving terminal. The method includes receiving an encryption key from the service provider, transmitting the encryption key to an external device storing receiving terminal identification... Agent: Stein Mcewen, LLP

20090154707 - Method and system for distributing group key in video conference system: Provided are a system and method for distributing a group key for a video conference using a one-time password in a video conference system. The method includes: when a video terminal is required to participate in a video conference, generating a challenge value and a response value corresponding to the... Agent: Ladas & Parry LLP

20090154708 - Symmetric key distribution framework for the internet: A method, device, and system are disclosed. In one embodiment the method includes receiving measured health information from a client on a key distribution server. Once the measured health information is received the server is capable of validating the measured health information to see if it is authentic. The server... Agent: Intel Corporation C/o Cpa Global

20090154709 - Migration of computer secrets: Described is a technology by which computer data secrets sealed by a trusted platform module (TPM) or like device may be securely migrated from a physical source computing machine to a physically different destination machine. For example, migration of TPM secrets allows migration of a virtual machine from one physical... Agent: Microsoft Corporation

20090154710 - Method for the secure deposition of digital data, associated method for recovering digital data, associated devices for implementing methods, and system comprising said devices: The invention relates to a method for the secure deposition of data, according to which a depositor encrypts the data with a transfer key and encrypts the transfer key with a key of a third party, then deposits the encrypted data and the encrypted transfer key on a storage support.... Agent: Buchanan, Ingersoll & Rooney PC

20090154711 - Multi-party key agreement method using bilinear map and system therefor: The present invention provides an efficient method and system in which a plurality of participants share a secret key in a communication environment that is not ensured. According to an embodiment of the invention, each of the participants is assigned with a secret key from a key generation party, generates... Agent: Ladas & Parry LLP

20090147945 - Configurable asic-embedded cryptographic processing engine: Architecture for embedding a cryptographic engine in a processor is disclosed. An ASIC processor is embedded with a programmable processing core, such as an FPGA, with the key register and I/O registers remaining in fixed logic.... Agent: Davidson Berquist Jackson & Gowdey LLP

20090147946 - Apparatus for computing streamcipher tsc-4: Provided is an apparatus for computing a T-function based Stream Cipher (TSC)-4 stream cipher. The apparatus includes: two T-function units; and a nonlinear filter for receiving bits output from the two T-function units and generating an 8-bit output sequence per clock. Each of the T-function units includes: a first register... Agent: Ladas & Parry LLP

20090147947 - Digital-encryption hardware accelerator: An electronic device for encrypting and decrypting data blocks of a message having n data blocks in accordance with the data encryption standard (DES) is provided. The electronic device has a first data processing channel having a first processing stage for performing encryption and decryption of data blocks of a... Agent: Texas Instruments Incorporated

20090147948 - Method for elliptic curve point multiplication: An elliptic curve multiplication method comprises three stages. In the first stage, randomly selected point representations are stored in variables. In the second stage, a right-to-left loop is executed that modifies the variable values in dependency of a multiplier. In the last stage, the result is calculated from the modified... Agent: Woodcock Washburn LLP

20090147950 - Cryptographic device for fast session switching: Provided is a cryptographic device for fast session switching, and more particularly, a cryptographic device using a block cipher algorithm and capable of rapidly performing session switching. The cryptographic device includes: a block cipher algorithm executer for performing encryption or decryption on input data using an initialization vector and a... Agent: Ladas & Parry LLP

20090147951 - Method of handling security key change and related communication device: A method of handling security key change for a user equipment in a wireless communication system includes applying a radio resource control procedure to activate key change, where the radio resource control procedure covers two conditions where the key change is accompanied with an authentication and key agreement run and... Agent: North America Intellectual Property Corporation

20090147949 - Utilizing cryptographic keys and online services to secure devices: The claimed subject matter in accordance with an aspect provides systems and/or methods that generates, allocates, or utilizes strong symmetric cryptographic keys to secure storage devices. The system can include components that determine whether a storage device with an associated credential cache has been affiliated with the system. The system... Agent: Amin, Turocy & Calvin, LLP

20090147952 - System and method for the display of screen apparatus content overlayed on protected content: A system and method for the display of screen apparatus content overlayed on protected content is described. An embodiment of a system may include a device connected to a network. The device receives and stores screen apparatus content. The device also receives protected content that is not being altered by... Agent: Molly A. Mccall Intel Corporation

20090147953 - System and method for conditional access key encryption: A system for processing multimedia channels is described comprising: transmitting decryption keys for decrypting the multimedia channels, the keys encrypted in both a first encryption format and a second encryption format; the keys encrypted in the first encryption format being decryptable by a first type of multimedia receiver; and the... Agent: Digeo, Inc C/o Stoel Rives LLP

20090147954 - Partial dual-encryption using program map tables: Systems and method for partial encryption are disclosed. One example method comprises: creating a program association table to include a first program number which identifies a program encrypted in accordance with a first encryption scheme, and a second program number which identifies the same program encrypted in accordance with a... Agent: Thomas, Kayden, Horstemeyer & Risley Scientific Atlanta, A Cisco Company

20090147955 - Method of quantum cryptography using blind photon polarization quibits with multiple stages: A cryptography method using a quantum phenomenon, which performs a multi-staged polarization process between a transmitter and a receiver to prevent a third party from knowing the polarization value of a photon. A transmitter rotates a photon flux by arbitrary angle θ and transmits it to a receiver. The receiver... Agent: Meredith & Keyhani, PLLC

20090147956 - Sharing a secret element: A secret element is shared with a cryptographic module. The secret element can be obtained from at least first and second partial secret information items. A first transmission transmits the first partial secret information item to the cryptographic module but not the first partial information item, this second transmission being... Agent: Miller, Matthias & Hull

20090147957 - Secure internet transaction method and apparatus: This invention provides for a transaction card for use at a terminal and for initiating an internet transaction with a SSL protected server, wherein the card comprises a smartcard including an application arranged for extending an SSL connection from the said protected server into the smartcard and, further, the invention... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090147958 - Dynamic, selective obfuscation of information for multi-party transmission: Selectively obfuscating, or obscuring, a portion or portions of information in a multi-party transmission. A user participating in a multi-party exchange signals a communication device (or proxy) that he will provide private information that is to be perceptible only to a subset of the other participants. This user also identifies... Agent: Marcia L. Doubet Law Firm

20090147960 - Content search device: A content search device calculates the number of valid encrypted contents as comparison objects contained in encrypted content databases and the number of valid decryption keys contained in decryption key databases. The database having the smaller number is decided to be a reference database. By successively reading out entries contained... Agent: Greenblum & Bernstein, P.L.C

20090147959 - Key status detecting circuit: The present invention provides a key status detecting circuit for detecting key statuses of a plurality of key modules, wherein the key modules respectively include a plurality of key units. The key status detecting circuit includes a plurality of first logic units, a plurality of first signal registering units, a... Agent: North America Intellectual Property Corporation

20090141887 - Method and apparatus for generic multi-stage nested hash processing: A generic multi-stage nested hash unit that provides support for generic, multi-stage nested hashes accelerates a wide range of security algorithms and protocols. The supported security algorithms and protocols include SSL v3 MAC, TLS PRF, and SSL v3 Key Material Generation. The hash unit allows the same code to be... Agent: Caroline F. Fleming Intel Corporation

20090141888 - Method and apparatus for performing trick play on scrambled data stream: A method of performing trick play on a scrambled data stream, the method comprising: extracting position information corresponding to scrambling information from an input scrambled transport stream; demultiplexing a transport stream of a predetermined position according to the stored position information of the scrambling information and extracting the scrambling information... Agent: Sughrue Mion, PLLC

20090141889 - Data processing apparatus: To improve encryption technology for a data processing apparatus in order to reduce a possibility of having communication broken by a third party. The data processing apparatus encrypts subject data and renders it as encrypted data to record it on a predetermined recording medium, and decrypts the encrypted data recorded... Agent: Paul, Hastings, Janofsky & Walker LLP

20090141890 - Digital authentication over acoustic channel: Apparatus and method are disclosed for digital authentication and verification. In one embodiment, authentication involves storing a cryptographic key and a look up table (LUT), generating an access code using the cryptographic key; generating multiple parallel BPSK symbols based upon the access code; converting the BPSK symbols into multiple tones... Agent: Amin, Turocy & Calvin LLP

20090141891 - Distributed scalable cryptographic access control: Published resources are made available in an encrypted form, using corresponding resource keys, published through resource key files, with the publications effectively restricted to authorized peer systems only by encrypting the resource keys in a manner only the authorized peer systems are able to recover them. In one embodiment, the... Agent: Merchant & Gould (microsoft)

20090141892 - Security printing method and system for enhancing security printing: A security printing method includes generating a security file having a plurality of metadata fields and an information field concatenated together in an initial sequence. A security file identification is generated from the plurality of metadata fields and the information field. The security file identification corresponds to the initial sequence... Agent: Hewlett Packard Company

20090141893 - Recordation of encrypted data to a recordable medium: Systems and methods of recording data are disclosed herein. A secure storage area is received from a host device. The secure storage area is indicative of a portion of a memory of the recordable medium to be recorded with encrypted data. A write command is received from the host device.... Agent: Microsoft Corporation

20090141894 - Usb video card and dongle device with video encoding and methods for use therewith: A universal serial bus (USB) dongle device includes a USB interface for receiving a video signal in a first format and for sending a processed video signal in a second format wherein the first format differs from the second format. An encoding module generates the processed video signal based on... Agent: Garlick Harrison & Markison

20090141895 - Method and apparatus for secure display of visual content: Methods and apparatus for displaying visual content on a display such that the content is comprehensible only to an authorized user for a visual display system such as a computer, a television, a video player, a public display system (including but not limited to a movie theater), a mobile phone,... Agent: David P. Lentini

20090141896 - Processing module operating methods, processing modules, and communications systems: A processing module operating method includes using a processing module physically connected to a wireless communications device, requesting that the wireless communications device retrieve encrypted code from a web site and receiving the encrypted code from the wireless communications device. The wireless communications device is unable to decrypt the encrypted... Agent: Battelle Energy Alliance, LLC

20090141897 - Content communication over a wireless communication link: In a method of communicating content over a wireless communication link between a base station set-top (BSS) and one or more hosts, where each of the one or more hosts have an interface protocol substantially complying with at least a subset of a copy protection standard, an encrypted signal is... Agent: Motorola, Inc. Law Department

20090141899 - Dual-mode wireless sensor network system and key establishing method and event processing method thereof: A dual-mode wireless sensor network system including a local wireless sensor, a local event processing device, and a remote event processing device is provided. The local wireless senor detects and announces an abnormal event. The local event processing device and the remote event processing device receive the abnormal event announcement.... Agent: Jianq Chyun Intellectual Property Office

20090141900 - Method and apparatus for enabling physical layer secret key generation: A method and apparatus for generating physical layer security keys is provided. Channel impulse response (CIR) measurements are recorded. Each CIR measurement is associated with a time-stamp. Where possible, the time-stamps are paired with time-stamps that are associated with another plurality of CIR measurements. The CIR data associated with the... Agent: Volpe And Koenig, P.C. Dept. Icc

20090141898 - Method and system for secure data aggregation in wireless sensor networks: A method for transmitting sensed data in a wireless sensor network including multiple sensors and a database, the method includes: automatically dividing the multiple sensors into sensor groups, each of the sensor groups including at least one sensor; determining a lead sensor in each of the sensor groups; encrypting the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090141901 - Terminal and method of including plurality of conditional access applications in broadcasting system: A method of selectively using a CA application of a terminal, the method including: searching a CA application table when a service of fee-based contents is requested, and determining whether a corresponding CA application is installed; and extracting a key required for descrambling a broadcasting signal using the CA application,... Agent: Ladas & Parry LLP

20090141902 - Apparatus and method for securing data in computer storage: Apparatus, and an associated method, for maintaining data, such as a data file, in secure form. Security keys are stored and maintained at a central location. The security key is downloaded to a device that is to operate upon the data. When the security key is authorized to be downloaded... Agent: Docket Clerk