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Cryptography > Communication System Using Cryptography > Pseudo-random Sequence Scrambling Pseudo-random Sequence ScramblingPseudo-random Sequence Scrambling patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/22/07 - 20070269047 - Information encryption transmission/reception method A sender server computer 5 for transmitting and receiving data of a sender 5 and a receiver server computer 6 for transmitting and receiving data of a receiver 4 that are connected to the web network; firstly encrypting bit data FD of original information such as plaintext to be transmitted ... 11/08/07 - 20070258593 - System for generating pseudorandom sequences A system for generating pseudorandom codes using a register which contains an identification of the code tree leg of the desired code and a counter which outputs a successive binary sequence. The output from the counter is bit-by-bit ANDed with the output of the register, and those outputs are XORed ... 06/28/07 - 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 ... 06/21/07 - 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 ... 03/15/07 - 20070058811 - Method and apparatus to facilitate transmission of an encrypted rolling code An encrypted rolling code (11), a plurality of differing data bit order patterns (13), and a plurality of differing data inversion patterns 14) are provided. One then selects (15) a particular one of each of these patterns and uses those selected patterns as transmission characteristics when transmitting (16) at least ... 12/28/06 - 20060291656 - Encryption method and decoding method for a digital transmission system An encryption method and decoding method for a digital transmission system, in which the digital data stream comprises an alternating sequence of training sequences and data symbols, and the training sequences are dynamically coded. At the receiving end, a decoding code (Vn) is generated by a code generator as a ... 11/30/06 - 20060269064 - 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 ... 10/26/06 - 20060239461 - Method and system for creating random cryptographic keys in hardware A method and system for creating random cryptographic keys in hardware is described. One or more bits are generated via one or more random bit circuits. Each random bit circuit includes a sensing device coupled to a first device and a second device to compare the first device against the ... 10/19/06 - 20060233374 - Gathering randomness in a wireless smart card reader A device coupled to a smart card reader may request random data from a smart card inserted into the smart card reader, and the smart card reader may incorporate the random data into its randomness pool. A device having a source of random data may have a driver installed thereon ... 10/05/06 - 20060222181 - Method for transporting real-time audio and video data A method for transporting real-time audio and video data is provided, wherein a partial encryption method merely encrypts some packets or some segments thereof in the data stream thereby improve the speed of data process and reduce the load of the processor. Especially for audio data, the malicious interceptor cannot ... 09/28/06 - 20060215838 - Encryption method and apparatus in a conditional access system for digital broadcasting An encryption method and apparatus in a conditional access system which interworks with a smart card to receive digital broadcasting are provided. A smart card interface acquires a random value rather than a fixed unique value, encrypts a key value with the random value, for communication with the smart card, ... 08/31/06 - 20060193471 - Encryption method and system The invention concerns an encryption method and system particularly adapted to securing email. It makes it possible to prevent the encryption of the body of a message from generating certain symbols, called control characters, that can cause undesirable phenomena during the transmission of the message. The encryption uses a pseudo-random ... 08/10/06 - 20060177061 - Secure data parser method and system A secure data parser is provided that may be integrated into any suitable system for securely storing and communicating data. The secure data parser parses data and then splits the data into multiple portions that are stored or communicated distinctly. Encryption of the original data, the portions of data, or ... 07/27/06 - 20060165235 - Method for control of gaming systems and for generating random numbers An apparatus for implementing a game having a deterministic component and a non-deterministic component wherein a player uses the game through at least one player interface unit. Each player interface unit generates a player record indicating player-initiated events. A random number generator provides a series of pseudo-random numbers and a ... 07/27/06 - 20060165234 - Audio scrambler and recorder for cellular telephones A security device for a cellular telephone includes a cellular telephone interface for coupling the device to the cellular telephone, a microphone, a speaker, and an analog scrambler coupling the microphone and the speaker to the cellular telephone interface. The scrambler is able to scramble voice audio from the speaker ... 06/01/06 - 20060115087 - Scrambler, descrambler and method, and disc apparatus The descrambler receives scrambled data generated from byte data associated with an encoding sequence Q and a scramble value corresponding to the sequence Q in a processing sequence P. The descrambler includes a scramble value generation section that generates a scramble value of the encoding sequence Q of input data, ... 05/04/06 - 20060093147 - Apparatus and method for scaramling/de-scrambling 16-bit data at pct express protocol An apparatus and method for scrambling/de-scrambling 16-bit data at a PCI Express protocol are provided. The apparatus includes an 8-bit precedence shift register generator for calculating an 8-bit shift register value, and outputting an 8-bit precedence shift register value through an exclusive OR (XOR) operation with 8-bit input data; and ... 05/04/06 - 20060093146 - Two-stage block synchronization and scrambling A two-stage block synchronization and scrambling module includes a synchronization PRNG module, a scramble PRNG module, a summing module, and a storage module. The synchronization PRNG module is clocked once per N+1 bit PCS frame (N arbitrary) to produce a synchronization bit and a pseudo-random starting state for the scramble ... 03/02/06 - 20060045270 - System and method for information protection by navigation and concealment A system and a method for scrambling data according to a map, which is preferably user-defined, such that the sequential order in which the data must be read is determined by the map. Rather than employing a mathematical formula to scramble the data, the data is separated into a plurality ... 11/17/05 - 20050254650 - Authentication system, authentication device, terminal device, and authentication method An authentication system giving little load for the user at the time of authentication and retaining high security is realized. A management part 107 of a server apparatus 106 memorizes a password of a character queue of a plurality of digits. A random number generating part 108 generates a random ... 10/27/05 - 20050238170 - Method for securing a ciphered content transmitted by a broadcaster A method is for protecting an encrypted content, by use of at least one encryption key. The method includes generation of a temporary encryption key, encryption by the temporary key of a value allowing the determination of the encryption keys of the content, transmission of the encrypted value to a ... 08/25/05 - 20050185796 - Ternary and multi-value digital signal scramblers, descramblers and sequence generators Reversible and self reversing multi-value scrambling functions created by applying multi-value inverters are disclosed. The generation of possible multi-value inverters is also presented. Corresponding multi-value descrambling functions are also disclosed. The multi-value functions are used in circuits that scramble and descramble multi-value signals. The multi-value functions can also be used ... 08/11/05 - 20050175180 - Efficient code constructions via cryptographic assumptions A system that facilitates efficient code construction comprises a component that receives a first code and a transformation component that transforms the first code to a new code. The new code has essentially same length parameters as the first code but is hidden to a computationally bounded adversary. The first ... 07/28/05 - 20050163318 - Key transport tamper protection A method for protecting the digital output signal of a security module, comprising the steps of: receiving a scrambled digital signal from a source external to said security module, recovering at least one transport scramble control flag from the scrambled digital signal, descrambling said received scrambled signal to generate a ... 06/23/05 - 20050135622 - Upper layer security based on lower layer keying A method (FIG. 4-6) of providing authentication services for applications running on a client (401, 501) and requiring access to a network based server (407, 507) where the method uses lower layer keying to provide upper layer security. The method is practiced in corresponding client (401-403) and network entities (407-409). ... ### FreshPatents.com Support |