Cryptography inventions 01/06

20060018465 - Information-processing system, information-processing apparatus, information-processing method, and program: In an information-processing system, information is divided into first units of information, a single number is generated for each of second units of information including the first units of information, a first key is generated for encrypting each of the numbers, a second key is generated for each of the...

20060018466 - Attack correlation using marked information: Techniques are described for providing security to a protected network. Techniques are described for thwarting attempted network attacks using marked information. The attack correlation system provides marked information to computing devices that probe for sensitive information, and monitors subsequent communications for use of the marked information. In one example, the...

20060018467 - Device for authentication and identification for computerized and networked systems: The invention consists of a uniquely punched or printed key, often in the form of a card, that is used to identify and authenticate a user during online transactions. The computer randomly generates an array of characters, such as numbers, letters or symbols, which is displayed to the user, e.g.,...

20060018468 - Data transmission method and data transmission apparatus: The present invention relates to a data transmission method used in the data transmission system. The data transmission method decrypts encrypted data, applies again encryption effective in the transmission system at transmission time so as to transmit the encrypted data from a sending side to a receiving side. The receiving...

20060018469 - Secure exportation from a global copy protection system to a local copy protection system: The invention relates to a device for preventing illegal exportation of a content protected by a global copy protection system to a local copy protection system. According to the invention, each content liable to be exported contains a unique identifier and the device comprises a table for storing unique identifiers...

20060018470 - Managing traffic keys during a multi-media session: The present invention provides methods, apparatuses, and systems for delivering protected multi-media content to a receiving device. Portions of protected multi-media content and associated key information are inserted in a same time slice burst. Multi-media content is processed into a plurality of content datagrams, in which each content datagram is...

20060018471 - Information recording apparatus and method, information reproducing apparatus and method, information recording/reproducing apparatus and method, and computer program product: An information recording apparatus for performing MOVE processing of moving first content information having a first reproduction quality, which is recorded on a first recording medium, to a second recording medium, the information recording apparatus provided with: a scramble device for performing scramble processing of scrambling the first content information...

20060018472 - Facsimile machine and facsimile communication method: A facsimile machine of the present invention includes a plurality of encryption processing units, which respectively encrypt transmission data by different encryption methods, an encryption processing determination unit, which transmits the transmission data to either one of the plurality of the encryption processing units, and a transmission unit, which transmits...

20060018473 - Method for transmission/reception of contents usage right information in encrypted form, and device thereof: A license-data transmitter (in a case of recording, a recording device 100 serves as a license-data transmitter, and in a case of readout, a storage device 200 serves as a license-data transmitter) verifies a certificate C[KPdx] (the license-data receiver and the license-data transmitter will be represented by “x” and “y”,...

20060018474 - Method for transmission/reception of contents usage right information in encrypted form, and device thereof: Confidential data such as license data is encrypted using the symmetric key encryption algorithm alone which requires smaller computation amount, and is readily realized by hardware means, as compared with the public key encryption algorithm. A license-data transmitter (y) encrypts license data LIC using two keys Kscy and Kssx supplied...

20060018475 - Kd systems with robust timing: QKD systems having timing systems and timing method that allow for QKD to be performed in actual field conditions associated with practical commercial applications of quantum cryptography. The QKD system includes optical modems in each QKD station. Each modem has a circulator with an optical receiver and an optical transmitter...

20060018476 - Key path generation and exchange of cryptographic keys using path length noise: Apparatus for sending cryptographic key information through a turbulent medium features a radiation generator in a first enclosure for emitting radiation at a predetermined wavelength through first launching means for launching the radiation into turbulent media. A second launching means in a second enclosure is located a distance from the...

20060018477 - Method apparatus and system of performing one or more encryption and/or decryption operations: Embodiments of the present invention provide a method and apparatus of performing on one or more bytes of an input data block at least one predetermined encryption or decryption operation....

20060018478 - Secure communication protocol: A method, of establishing secure communication, may include: generating a first symmetric key; encrypting at least the first symmetric key according to a public key; sending a first message that includes at least the encrypted first symmetric key to a communication counterpart using a connectionless protocol; and receiving, as part...

20060018481 - Computer-readable recording medium recording a wireless communication authentication program: A wireless communication authentication program whereby a slave station in a small-scale wireless LAN system can be authenticated by a simple procedure. A wireless communication authentication device periodically increments a first system timer value (Step S1) for which an optional numerical value is set beforehand. A wireless communication device sets...

20060018480 - Method for preventing eavesdropping in wireless communication system: A wireless communication system includes an access point and a terminal exchanging a packet with the access point. When receiving the packet, the access point determines whether the received packet includes a Weak Initial Vector (Weak IV). When the packet includes the Weak IV, the access point transmits a disturbance...

20060018479 - Update method for wireless system of vehicle security system: An update method for a wireless system of a security system for a vehicle is mainly applied for a vehicle security system to build a two-way connection with a remote host. After the remote host acquires a two-way connection with the security system, new system data is divided into a...

20060018482 - Encryption processing method and device of a voice signal: Disclosed is a method and system for encrypting an analog speech signal transmitted through a wired or wireless communication line. The system extracts magnitude data of each of the frequency components of the analog speech signal as a characteristic parameter at a specific time interval. The system rearranges obtained characteristic...

20060018483 - Delegation protocol: A key-management method for delegating authority in a computer environment, suitable for essentially all UDP and TCP based applications. The method includes performing mutual authentication between a first computing entity and a plurality of other computing entities, and establishing pair-wise secure associations between the other entities....

20060018484 - Information processing device, information processing system, and program: The present invention provides an information processing device, an information processing system, and a program capable of improving security and convenience. An information processing system (1) includes an IC card (30) which stores an encryption key and a registered password and allows the encryption key to be read when the...

20060018485 - Secure communication protocol: A method, of establishing secure communication, may include: generating a first symmetric key; encrypting at least the first symmetric key according to a public key; sending a first message that includes at least the encrypted first symmetric key to a communication counterpart using a connectionless protocol; and receiving, as part...

20060013388 - Method and system for implementing fi function in kasumi algorithm for accelerating cryptography in gsm/gprs/edge compliant handsets: In a wireless communication system, a method and system for implementing an FI function in a KASUMI algorithm for accelerating cryptography in GSM/GPRS/EDGE compliant handsets are provided. An efficient implementation of the FI function may comprise a first substitution stage and a second substitution stage, where a 9-bit substitution circuit...

20060013387 - Method and system for implementing kasumi algorithm for accelerating cryptography in gsm/gprs/edge compliant handsets: In a wireless communication system, a method and system for implementing a KASUMI algorithm for accelerating cryptography in GSM/GPRS/EDGE compliant handsets are provided. A pipelined implementation of the KASUMI algorithm may comprise a plurality of selectors, an FI function, an FO function, a first pipe register, a second pipe register,...

20060013389 - Cryptographic method and apparatus: A cryptographic method and apparatus is provided in which an identifier-based encryption process is used to encrypt a message with an identifier string that specifies conditions to be checked by a trusted entity before providing a decrypted form of the encrypted message, or enabling its decryption. A further trusted entity...

20060013390 - System and method for encrypting data in analog form: We propose an encryption scheme which uses steganography. The encryption algorithm encrypts messages by embedding them in a data stream in such a way that an adversary cannot get information about the messages. Since the embedding is the only computation requires this scheme is optimal in computational efficiency. However, since...

20060013391 - Method and system for implementing fo function in kasumi algorithm for accelerating cryptography in gsm/gprs/edge compliant handsets: In a wireless communication system, a method and system for implementing an FO function in a KASUMI algorithm for accelerating cryptography in GSM/GPRS/EDGE compliant handsets are provided. An efficient implementation of the FO function may comprise circuitry provided for a pipeline state machine, an FI function, a controller, a pipe...

20060013392 - Digital electronic component which is protected against electrical-type analyses: This invention relates to a digital electronic component which is protected against electrical- and/or electromagnetic-type analyses. The inventive component comprises: a synchronous element (10) which is controlled by a clock (H); means (11, 12) of generating said clock (H), the frequency of which varies randomly between a minimum value and...

20060013393 - Single sign-on process: Single sign-on process allowing a mobile user with a mobile phone or with a laptop to remote-access a remote server, comprising the steps of: (1) sending a first authenticator over a first communication layer to a first intermediate equipment between said mobile equipment and said remote server, (2) verifying in...

20060013394 - Atm data transmission systems: A method of hardening ATM cells (10), the ATM cells (10) each including a header (12) and payload (11), the method including the steps of hardening individual ATM cells by encoding the header and payload and encapsulating the resulting data (20, 21) from each cell within a transmission frame dedicated...

20060013395 - Digital watermark key generation: The present invention relates to message encoding. In a first implementation, a message is provided. The message is transformed by a secret key. The secret key is generated by providing a plural-bit seed. The seed is randomized and then error correction encoded. We prefer tail-biting convolutional encoding for our error...

20060013397 - Channel adapter managed trusted queue pairs: An InfiniBand™ Channel Adapter encrypts or decrypts user data on-the-fly. The user data is read from system memory and encrypted in by the Channel Adapter before sending it to a network. Similarly received data is decrypted on the fly before storing it in system memory. The encryption/decryption keys are preferably...

20060013396 - Communication system using quantum cryptography and comprising switching stations: A communication system using quantum cryptography, comprising subscriber stations (1.i, 2.i) which are connected to quantum channels (3) and quantum-cryptographic devices (10, 11) which are associated with the quantum channels for generating a quantum key, wherein several interconnected switching stations (1, 2) are provided to which the subscriber stations (1,i,...

20060013398 - Method and system for pre-authentication: A wireless station prepares to roam by pre-authenticating itself with a neighboring access point. The wireless station sends a rekey request, which can include an incremented rekey number. The wireless station receives a rekey response. The rekey response can include the incremented rekey number. Because the wireless station is pre-authenticated,...

20060013401 - Method and apparatus for delivering keys: The present invention encompasses an electronic device, such as a server, which may be operated in a communication system. The electronic device comprises a method for receiving a request from another electronic device to transmit keys, for example a mobile terminal. Responsive to the request, the server generates the required...

20060013400 - Method of delivering direct proof private keys in signed groups to devices using a distribution cd: Delivering a Direct Proof private key in a signed group of keys to a device installed in a client computer system in the field may be accomplished in a secure manner without requiring significant non-volatile storage in the device. A unique pseudo-random value is generated and stored along with a...

20060013399 - Method of delivering direct proof private keys to devices using a distribution cd: Delivering a Direct Proof private key to a device installed in a client computer system in the field may be accomplished in a secure manner without requiring significant non-volatile storage in the device. A unique pseudo-random value is generated and stored in the device at manufacturing time. The pseudo-random value...

20060013402 - Method of delivering direct proof private keys to devices using an on-line service: Delivering a Direct Proof private key to a device installed in a client computer system in the field may be accomplished in a secure manner without requiring significant non-volatile storage in the device. A unique pseudo-random value is generated and stored in the device at manufacturing time. The pseudo-random value...

20060013403 - Factorization-based encryption method: l

20060008080 - Modular-multiplication computing unit and information processing unit: The bit strings of multipliers B and N are converted through the use of the Booth's algorithm in units composed of a predetermined number of bits and the operation of A×B+u×N is executed by a carry save adder using the value of an integral multiple of multiplicand A corresponding to...

20060008081 - Modular-multiplication computing unit and information-processing unit: Either a multiplicand A or 0 is selected, depending on the value of multiplier B supplied in a unit composed of q bits through the use of selectors, and the selected result is provided, and either a multiplicand u or 0 is selected, depending on the value of multiplier N...

20060008083 - Random number verification method and random number verification apparatus: Disclosed is a random number verification method and apparatus capable of quickly detecting the fact that a random number generation device designed to generate substantially authentic random numbers has become unable to generate authentic random numbers due to a malfunction, wrongful manipulation or the like. When random numbers randomly generated...

20060008079 - Stream ciphering of the content of a memory external to a processor: A method and an element of ciphering by an integrated processor of data to be stored in a memory, including applying a ciphering algorithm which is a function of a key specific to the integrated circuit and of an initialization vector, and of memorizing at least the ciphered data, the...

20060008082 - System and method for securing communications between devices: A system and method for providing an improved way to secure messages being transmitted between communicating devices. Security mechanisms, operating below the session establishment level, provide fast encryption that is unconditionally secure or becomes stronger over time as devices continue to communicate. After random or arbitrary characters are used to...

20060008084 - Ciphering by blocks of the content of a memory external to a processor: A method and an element for ciphering with an integrated processor data to be stored in a memory, including applying to each data block to be ciphered a ciphering algorithm which is a function of at least one key specific to the integrated circuit, and before applying the ciphering algorithm...

20060008085 - Transmission device and reception device: There are disclosed a transmission device and a reception device having a high secrecy making it difficult to wire tap by a third device. The transmission device includes a modulation section which can be modulated by a plurality of modulation methods and a transmission section which can transmit a radio...

20060008086 - Image encryption method and visual decryption device: A method of encoding a graphical message (220, 221) based on a key sequence as an encoded sequence of information units. For each pixel of the message, said pixel having a normalized intensity I, a total rotation α which results in a liquid crystal display in a pixel with substantially...

20060008087 - Information security for aeronautical surveillance systems: A method and apparatus for encrypting a Mode-S extended squitter exploiting a provided key. The key includes a control key segment, an address key segment, a first message key segment, and a first parity/identity key segment. Adding modulo two the control segment to the control key segment produces an intermediate...

20060008088 - Software plug-in framework to modify decryption methods in terminals: The present invention provides methods, apparatuses, and systems for delivering protected multi-media content to a receiving device. Protected multi-media content and key information are inserted in a same time slice burst. A receiving device receives the time slice burst with the content datagrams and the key information and decrypts the...

20060002548 - Method and system for implementing substitution boxes (s-boxes) for advanced encryption standard (aes): Systems and methods for implementing Advanced Encryption Standard (AES) are disclosed herein. Aspects of the method may comprise storing 256 bytes of data. A non-zero byte portion of the 256 bytes of data may be replaced with multiplicative inverse bytes in a Galois field GF(256) and the replaced inverse bytes...

20060002549 - Generating keys having one of a number of key sizes: An apparatus is disclosed for generating keys having one of a number of key sizes. Memory sections of a memory element are adapted to store a portion of a key. The memory element has a size at least as large as a largest key size of a number of key...

20060002550 - Method and system for generation of cryptographic keys and the like: A method and system for generating cryptographic keys and similar secret cryptographic inputs that are hard to guess. A seed is input from an entropy source, and an initial composite state is generated as a function of the seed, the initial state comprising a plurality of components. The components include...

20060002552 - Automatic and adaptive process and system for analyzing and scrambling digital video streams: A process for automatically and adaptively scrambling digital video streams including analyzing structure and visual content of the digital video stream, and scrambling the digital video stream under regulation of an inference or decisional engine that selects a scrambling tool or tools to be applied to the digital video stream...

20060002551 - In-band signaling to control encryption and transcoding resources in vod/on-demand system: A method for controlling flow of a video content signal through a communications system, such as a video on-demand system creates a unique message for each individual video content signal and attaches the unique message to each individual video content signal prior to transmitting the video content signal through the...

20060002553 - Computerized imaging of sporting trophies: A method of generating and storing three-dimensional digital data indicative of a sporting trophy is provided. The method may be implemented in relation to a wide variety of sporting trophy applications. A sportsman can provide a sporting trophy to a scanning system to obtain three-dimensional image data relative to the...

20060002554 - Apparatus for controlling chaos using oscillation quenching: The present invention relates to an apparatus for controlling chaos using oscillation quenching, and more particularly, to an apparatus for controlling chaos using oscillation quenching, wherein a chaos system to be controlled can be easily stabilized by coupling the chaos system with another chaos system or a periodic system that...

20060002555 - Dynamic content-aware memory compression and encryption architecture: An architecture for content-aware compression and/or encryption of various segments of a application is disclosed. The architecture advantageously allows decompression and decryption units to be placed various levels of a memory hierarchy....

20060002557 - Domain name system (dns) ip address distribution in a telecommunications network using the protocol for carrying authentication for network access (pana): A method, a packet data switching node such as for example a CDMA2000 Packet data Serving Node (PDSN), and a Mobile Node (MN) for assigning one or more DNS IP addresses to the MN in a telecommunications network. The switching node and the MN are first involved in a discovery...

20060002558 - Information processing apparatus and method, recording medium, program, and wireless communication system: The present invention provides a wireless communication system having a first information processing apparatus and a second information processing apparatus communicating with each other in a wireless manner. The first information processing apparatus includes first transmission means for transmitting a wireless signal for computing a position of the first information...

20060002559 - Method for preventing eavesdropping in wireless communication system: A wireless communication system includes an access point 101 and a terminal 102 exchanging, with the access point 101, a packet encrypted with an encryption key that has been previously set on the basis of a Wired Equivalent Privacy (WEP). When receiving the packet, the access point 101 determines whether...

20060002560 - Radio communication apparatus and radio communication method: A radio communication apparatus including a setting unit which sets specific passphrases respectively onto a plurality of terminal identifiers corresponding to a plurality of communication terminal units on a network, a generation unit which respectively generates a plurality of individual keys corresponding to the plurality of terminal identifiers by using...

20060002556 - Secure certificate enrollment of device over a cellular network: A method and system authenticates and securely enrolls an untrusted device over a cellular network. In operation, a mobile device transmits an identifier (such as the phone number of the mobile device) via a communication transport over a first network (which may be untrusted or partially untrusted) network (such as...

20060002561 - Apparatus and/or method for encryption and/or decryption for multimedia data: A multimedia device having an encryption module, which prevents an encryption key from being exposed to the outside, is provided. The multimedia device includes: a key processing unit, which generates and manages an encryption key; and a data processing unit, which encrypts/decrypts content with the encryption key. Both the key...

20060002562 - Method and apparatus for geometric key establishment protocols based on topological groups: The present invention proposes a continuous multi-parameter version of Diffie-Hellman protocol based on topological groups. In its turn, based on this continuous protocol, a method for public establishment and distribution of keys for encryption systems is implemented. An embodiment of the method, while providing an extremely high security level, is...

20060002563 - Multi-user quantum cryptography method and system using wavelength division multiplexing: A multi-user quantum cryptography system and method are described herein. The system comprises a relay including a quantum information server so configured as to generate quantum information communications having different wavelengths and a multiplexer so configured as to separate the different quantum information communications generated by the quantum information server...

20060002564 - Information processing system, information processing apparatus, information processing method, recording medium and program: A CD-R where a key generating program or the like is stored, and a USB memory where a public key is stored are delivered to a supplier from a receiver. A common key is generated by the supplier. Delivery data which is to be encrypted using the generated common key...

20060002565 - Key management system and playback apparatus: The Information providing system includes a key management center, information transmitter and information receiver. The key management center assigns, to the receivers, confidential information and public information for decrypting the encrypted information transmitted by the information transmitter. The key management center determines the set of the receivers for which decryption...