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Match Document Document Title
9042549 Apparatus and method for address privacy protection in receiver oriented channels  
Disclosed is a method for address privacy protection for a first wireless device sharing a privacy key with a second wireless device. In the method, a first resolution tag is generated at the...
9036821 Method and system for enhancing cryptographic capabilities of a wireless device using broadcasted random noise  
A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits...
8948388 Elliptic curve random number generation  
An elliptic curve random number generator avoids escrow keys by choosing a point Q on the elliptic curve as verifiably random. An arbitrary string is chosen and a hash of that string computed. The...
8934633 Encrypted communication system, transmitter and receiver using same  
High-security communications against information leakage as well as high-speed communications are realized using present optical fiber networks. The methods are as follows: (1) A seed key is...
8923249 Method and apparatus for scrambling sequence generation in a communication system  
A wireless communications method is provided. The method includes employing a processor executing computer executable instructions stored on a computer readable storage medium to implement various...
8914369 Method and a system for data verification and/or authentication  
A method for rearranging a data segment. The method comprises providing a data segment containing digital content, generating a set of human dependent variables according to a plurality of human...
8903092 High speed digital to analog converter with reduced spurious outputs  
A system includes a first circuit including a scrambling module that receives N digital data streams and that scrambles the N digital data streams using a scrambling sequence. A data bus receives...
8867742 Optical transmission device and reception device for Yuen encryption, optical transmission method and reception method for Yuen encryption, and encrypted communication system  
A configuration method of an optical signal, an encryption device, and an encryption system makes it possible for a legitimate communicating party to ensure information-theoretic security against...
8867744 Security in wireless communication systems  
Wireless security is enforced at L1, in addition to or in lieu of other layers. AP's can switch dynamically from serving to scanning. Scanners listen for authorized frame headers. Scanners either...
8855309 Apparatus and method for providing security service  
An apparatus and method for providing a security service are provided. The apparatus for providing a security service includes a first block cipher and a second block cipher. The second block...
8848913 Scrambling sequence generation in a communication system  
Techniques for performing scrambling and descrambling in a communication system are described. In an aspect, different scrambling sequences for different channels and signals may be generated...
8848914 Spectrum authorization and related communications methods and apparatus  
Various embodiments relate to wireless communications, and more particularly, to methods and apparatus for authorizing use of spectrum, e.g., through the issuance of spectrum access keys, and/or...
8848917 Verification of the integrity of a ciphering key  
A method for verifying the integrity of a key implemented in a symmetrical ciphering or deciphering algorithm, including the steps of complementing to one at least the key; and verifying the...
8824677 Provably secure and efficient pseudorandom number generation  
A pseudorandom number is generated from a random seed number using a collision-resistant hash function. A iteration input is extracted from the seed number. A hardcore predicate is applied to the...
8811615 Index-based coding with a pseudo-random source  
Outputs from at least one pseudo-random source are used to encode hidden value. The hidden value is encoded using index based quantities, for example, based on numerically ordering a sequence of...
8804960 Implementing known scrambling relationship among multiple serial links  
A method and circuit for implementing known scrambling relationship among multiple serial links, and a design structure on which the subject circuit resides are provided. A transmit Linear...
8774408 Traceable method and system for broadcasting digital data  
A method and system for a user to obtain a derived value Kr of m bits, in which, given two pseudo-random functions g0 and g1 from m bits to m bits, said user obtains, on the basis of an input...
8755529 Method and device for establishing network connection  
A device for establishing network connection is disclosed, having a transmitting circuit, a receiving circuit, and a controller. The transmitting circuit, comprising a first scrambler having a...
8755517 Method for generic-point parallel elliptic curve scalar multiplication  
The method for generic-point parallel elliptic curve scalar multiplication replaces the pre-computation overhead of conventional elliptic curve scalar multiplication by post-computations that can...
8731197 Secure randomized input  
A user inserts a received random sequence into the user's password or PIN. The user enters and transmits this randomized password to a service provider. The service provider extracts the password...
8731199 Zero knowledge proofs for arbitrary predicates over data  
A first computing device transfers first and second commitments to a second computing device. The first commitment is for private data and a first random number and the second commitment is for...
8731198 Protecting optical transports from consecutive identical digits in optical computer networks  
In general, techniques are described for protecting optical networks from consecutive identical digit (CID) errors. An optical network device comprising a control unit and an interface may...
8712036 System for encrypting and decrypting a plaintext message with authentication  
The described system and method provide for an encryption and authentication technique that achieves enhanced integrity verification through assured error-propagation using a multistage sequence...
8712049 System for implementing dynamic pseudorandom keyboard remapping  
A system for implementing dynamic pseudorandom keyboard remapping includes a keyboard in communication with an operating system of a computing device; the keyboard configured to encrypt an...
8712053 Method and system for security authentication of radio frequency identification  
A method and system for security authentication of radio frequency identification are disclosed. All the security control in this method is completed by the security authentication control...
8712050 Method for implementing dynamic pseudorandom keyboard remapping  
A method of implementing dynamic pseudorandom keyboard remapping of a system including a keyboard in communication with an operating system of a computing device includes encrypting an original...
8707057 Data processing apparatus and data processing method  
A data processing apparatus includes an address bus, a scramble unit, and a data bus. The address bus outputs address data to be given to a memory apparatus. The scramble unit scrambles write-in...
8705741 Subchannel security at the optical layer  
The present invention includes various novel techniques, apparatus, and systems for optical WDM communications that involve dynamically modifying certain aspects of the WDM transmission (and...
8687807 Cascading dynamic crypto periods  
Systems and methods for performing cascading dynamic crypto periods are disclosed. In embodiments, a control word and a set of functions is transmitted between a head-end and recipient devices at...
RE44777 System and method for encoding data transmitted on a bus  
An apparatus having a corresponding method comprises a transmit circuit to transmit data, the transmit circuit comprising a transmit input circuit to input the data, and an address for the data,...
8654972 Keystream encryption device, method, and program  
A stream encryption device generates a first pseudo random number sequence from key information, generates a second pseudo random number sequence according to clock control performed according to...
8653938 Method of protection in a contactless radiofrequency communication  
A method of protection of a near-field contactless communication system against malicious attacks. The method includes exchange of information between a reader and a contactless card of duration...
8649521 Obfuscation of sequenced encoded data slices  
A method begins by a processing module receiving data to produce received data segments. The method continues with the processing module, in order of receiving the data segments, encrypting a data...
8634558 Method and system for enhancing crytographic capabilities of a wireless device using broadcasted random noise  
A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits...
8619981 Systems and methods for producing pseudo-random number distributions in devices having limited processing and storage capabilities  
Arbitrary numerical distributions are presented for use in devices having limited processing and storage capabilities by having the device accept strings of arbitrarily distributed numbers from a...
8619980 Information generation apparatus, method, program, and recording medium for deriving a decryption key from another decryption key  
Hierarchical cryptography expressed in a general semiordered structure other than a tree structure is implemented. In information generation, random numbers σv and (σvj)jεw(v)εZq are generated;...
8611533 Method and system for the Orange family of stream ciphers and method and system for generating stream ciphers based on the ERINDALE-PLUS hashing function  
The present invention introduces the Orange family of stream ciphers. The cipher may involve several elements including splitting with jumping, iterated transformations and padding. The...
8606873 Methods and apparatus for securely advertising identification and/or discovery information  
Methods and apparatus related to a peer to peer wireless communications system supporting secure advertisement of identification and/or discovery information e.g., upper layer discovery...
8600058 Generation of self-certified identity for efficient access control list management  
In a first embodiment of the present invention, a method for registering a new device to a control point in a home network is provided, the method comprising: generating a first self-certified...
8600057 Protecting optical transports from consecutive identical digits in optical computer networks  
An example method includes encapsulating, by an optical network device, at least a portion of a data packet to form a passive optical network (PON) frame. The method further includes applying, by...
8588426 Methods and apparatus to secure communications in a mobile network  
Methods and apparatus to secure communications in a mobile network are disclosed. An example method disclosed herein comprises randomizing a first set of bits associated with information to be...
8581755 Multiple word data bus inversion  
A data encoding scheme for transmission of data from one circuit to another circuit considers the Hamming Weight of combined multiple words to determine whether to invert or not invert an...
8582900 Digital watermark embedding device, computer-readable recording medium, and digital watermark detecting device and computer-readable recording medium  
An digital watermark embedding device including an interface unit configured to acquire content in a digital form and digital watermark information, the device includes, a codeword generating unit...
8577039 Cryptographic communication apparatus and cryptographic communication system  
There is provided a cryptographic communication apparatus for conducting a key exchange procedure with another cryptographic communication apparatus that shares a password. The apparatus includes...
8577038 Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number  
Provided are a method and apparatus for generating a pseudo-random number which is unpredictable and which has a small memory work area, and also a method and apparatus for encrypting data, for...
8542870 Methods, apparatus and programs for generating and utilizing content signatures  
The presently claimed invention generally relates to deriving and/or utilizing content signatures (e.g., so-called “fingerprints”). One claim recites a method of generating a fingerprint...
8532297 Techniques for transmitting control channel information  
Techniques for protecting information elements transmitted to mobile stations from intruders. The technique can involve applying a randomized mask over an information element and then providing a...
8526601 Method of improving operational speed of encryption engine  
In the present method of implementing functioning of an encryption engine, a plurality of logic blocks are provided, each for running a function. Each function is run based on three variables,...
8514833 Data processing apparatus, communications device, and data processing method  
A data processing apparatus includes a scrambling processing unit and a sending unit. The scrambling processing unit is configured to generate a Pseudo-Random Binary Sequence (PRBS), perform a...
8509427 Hybrid mode cryptographic method and system with message authentication  
An encryption and authentication technique that achieves enhanced integrity verification through assured error-propagation using a multistage sequence of pseudorandom permutations. The method...

Matches 1 - 50 out of 389 1 2 3 4 5 6 7 8 >