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US20090292752 |
Mechanism for generating pseudorandom number sequences
In one embodiment, a mechanism for generating pseudo-random number sequences is disclosed. In one embodiment, a method includes receiving seed values for a pseudorandom number generator (PRNG) in a...
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US20090292751 |
NON-LINEAR MIXING OF PSEUDO-RANDOM NUMBER GENERATOR OUTPUT
A method and apparatus for a pseudo-random number generation system. The pseudo-random number generation mixes the output of two or more pseudo-random number generators to create a new...
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US20090287923 |
Reverse Mapping Method and Apparatus for Form Filling
In the presently preferred embodiment of the invention, every time a user submits a form the client software tries to match the submitted information with the stored profile of that user. If a...
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US20090287686 |
PLAYBACK DEVICE
A playback device includes a communication component, an operation component and a playback control component. The communication component is configured to communicate with a network device via a...
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US20090279694 |
PRIVACY-PRESERVING SCALAR PRODUCT CALCULATION SYSTEM, PRIVACY-PRESERVING SCALAR PRODUCT CALCULATION METHOD AND CRYPTOGRAPHIC KEY SHARING SYSTEM
A privacy-preserving scalar product calculation system is provided. A first unit linearly transforms an n-dimensional vector Va into an n-dimensional vector based on a scalar value based on a...
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US20090279690 |
CRYPTOGRAPHIC SYSTEM INCLUDING A MIXED RADIX NUMBER GENERATOR WITH CHOSEN STATISTICAL ARTIFACTS
A cryptographic system ( 1000 ) is provided. The cryptographic system includes a data stream receiving means (DSRM), a number generator (NG), a mixed radix accumulator (MRA) and an encryptor. The...
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US20090271462 |
Keyed Pseudo-Random Number Generator
A method and apparatus for client authentication using a pseudo-random number generation system. The pseudo-random number generation utilizes a secret key as well as state information as input into...
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US20090265559 |
USER AUTHENTICATION BY LINKING RANDOMLY-GENERATED AUTHENTICATION SECRET WITH PERSONALIZED SECRET
This patent application discloses techniques, devices and systems for user authentication based on linking between a randomly generated authentication secret and a personalized secret.
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US20090262928 |
Method and Apparatus For Seeding a Cryptographic Random Number Generator
The invention relates to a method and an apparatus for seeding cryptographic random number generators. For seeding a cryptographic random number generator, an image is used. Pixels of the inputted...
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US20090228539 |
Generation of pattern data with no overlapping or excessive distance between adjacent patterns
A device is disclosed for generating pattern data for unevenness that is randomly arranged on the surface of the reflective substrate of a reflective liquid crystal display device. The number of...
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US20090222501 |
RANDOM NUMBER GENERATOR
The invention refers to a pseudo random number generator, PRN, and a method for producing a random number signal, and a system for a fast frequency hopping radio comprising a PRN, and a method for...
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US20090210468 |
GENERATION OF THERMAL AGITATION NOISE ACCORDING TO A PREDETERMINED HISTOGRAM
The invention relates to a method and a device for generating agitation noise, and the agitation noise obtained. A subject of the invention is a method for generating agitation noise comprising an...
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US20090208014 |
METHOD AND APPARATUS FOR VERIFYING AND DIVERSIFYING RANDOMNESS
Method and apparatus for ensuring randomness of pseudo-random numbers generated by a conventional computer operating system or electronic device. Typically pseudo-random number generators used in...
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US20090202074 |
QKD station with EMI signature suppression
Methods and systems for suppressing the electromagnetic interference (EMI) signature generated by a QKD station are disclosed. One of the methods includes generating two or more modulator drive...
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US20090202073 |
Random wave envelope derived random numbers and their use in generating transient keys in communication security applications part II
A random wave envelope is created from a set of bounded random numbers by additively combining a triangle, a square and a sine wave. The random wave envelope is then used to create a sequence of...
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US20090202067 |
CRYPTOGRAPHIC SYSTEM CONFIGURED TO PERFORM A MIXED RADIX CONVERSION WITH A PRIORI DEFINED STATISTICAL ARTIFACTS
A cryptographic system (CS) is provided. The CS ( 800 ) comprises a data stream receiving means (DSRM), a generator ( 702 ), a mixed radix converter (MRC) and an encryptor ( 908 ). The DSRM ( 902 )...
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US20090193065 |
Deterministic random number generator for cryptography and digital watermarking
A deterministic random number generator comprising:
number series generator adapted to generate an infinite Pi series; summation means adapted to generate a partial sum of said infinite Pi...
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US20090167098 |
SWITCHING DEVICE AND METHOD
Embodiments of the present invention are directed to a method and device for operating a circuit. In particular, embodiments of the present invention are directed to a method and device that may...
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US20090165086 |
RANDOM NUMBER GENERATION THROUGH USE OF MEMORY CELL ACTIVITY
Systems and/or methods that facilitate security of data are presented. A random number generation component generates random numbers based in part on electron activity in a select memory cell(s) to...
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US20090160610 |
PSEUDORANDOM NUMBER GENERATOR
One embodiment of the invention includes a pseudorandom number generator (PRNG) for generating pseudorandom numbers for a radio frequency identification (RFID) tag. The PRNG includes an analog...
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US20090157781 |
METHOD AND APPARATUS FOR GENERATING CONTENT IDENTIFIER AND PREVENTING ALTERATION OF THE CONTENT IDENTIFIER
A method and apparatus for generating a content identifier and preventing alteration of the content identifier are provided. The method includes generating at least one random number, generating...
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US20090157779 |
Method System and Device for Generation of a Pseudo-Random Data Sequence
A method and a generator for generating a pseudo-random data sequence ( 3 ), including combining means for combining data belonging to a plurality of initial data sequences ( 9 a , 9 b , 9 c )...
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US20090154765 |
Information Display Device And Information Display Method
In order to prevent interception of information through leakage electromagnetic waves when transmitting the information using an image display unit, an image converter generates plural converted...
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US20090154700 |
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,...
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US20090125975 |
Method for generating a plurality of unique secure numbers and card comprising such a number
A process is provided for enabling the generation of valid secure numbers during a given period, these secure numbers having an optimal security level, while preserving the possibility for creating...
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US20090123218 |
Digital Display Pen
A digital display pen includes an elongate body, a display provided on the body, a processor that generates alphanumeric data that is displayed on the display and a switch device that starts and/or...
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US20090110188 |
CONFIGURABLE RANDOM NUMBER GENERATOR
A method for random number generation includes generating random number sequences using a Random Number Generator (RNG) circuit having an externally-modifiable configuration. The RNG circuit...
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US20090100313 |
METHODS AND APPARATUSES OF MATHEMATICAL PROCESSING
Disclosed is a pipelined iterative process and system. Data is received at an input port and is processed in a symbolwise fashion. Processing of each symbol is performed other than relying on...
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US20090100118 |
Algorithm for creating unique bingo faces
A method and apparatus for generating a plurality of unique configurations of indicia is provided. A first set of indicia is provided, including a plurality of first groups of indicia. Then a...
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US20090089347 |
Method and device for generating a random number in a USB (Universal Serial Bus) peripheral
A method for generating a random number, comprising steps of receiving a data transmission binary signal subjected to phase jitter, generating several oscillator signals substantially of a same...
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US20090083350 |
Shift-add based random number generation
A system for pseudorandom number generation. A processor is provided that has a first memory to hold a first value and a second memory to hold a second value. Then a logic performs a +* operation...
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US20090067618 |
Random number generator
Systems, methods, and other embodiments associated with random number generators are described. One system embodiment includes a random number generator logic that may produce an initial random...
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US20090063601 |
Method of Generating Unique Pseudorandom Numbers
A method of generating a set of unique pseudorandom N-digit base-B integers includes the steps of selecting an integer A, wherein A is equal to or greater than 0 and equal to or less than B N −1,...
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US20090044282 |
System and Method for Generating and Displaying a Keyboard Comprising a Random Layout of Keys
Systems and methods for generating and displaying a keyboard comprising a random layout of keys are described here. One embodiment includes displaying a keyboard comprising a random layout of keys,...
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US20090037787 |
Apparatus and methods for autonomous testing of random number generators
Apparatus for testing a random number generator includes a random number generating unit that generates and outputs random numbers, and a switching unit that receives the random numbers from the...
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US20090024682 |
Determining an approximate number of instances of an item for an organization
Embodiments of the present invention pertain to determining an approximate number of instances of an item for an organization. According to one embodiment, instances of items that reside on...
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US20090016523 |
Masking and Additive Decomposition Techniques for Cryptographic Field Operations
Masking and additive decomposition techniques are used to mask secret material used in field operations (e.g., point multiplication operations) performed by cryptographic processes (e.g., elliptic...
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US20090013019 |
Apparatus and Method for Generating Random Numbers
Random number generation apparatus ( 2 ) is described that comprises a threshold detector ( 4 ) and an electrical noise generator ( 6 ). The electrical noise generator ( 6 ) has at least two...
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US20080320066 |
Cryptographic random number generator using finite field operations
An apparatus and method are provided in various illustrative embodiments for an integrated circuit chip that provides a fast, compact, and cryptographically strong random number generator. In one...
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US20080307024 |
Mixed Radix Number Generator with Chosen Statistical Artifacts
A method is provided for masking a process used in generating a number sequence. The method includes generating a first sequence of numbers contained within a Galois field GF[M]. The method also...
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US20080307022 |
Mixed Radix Conversion with a Priori Defined Statistical Artifacts
A method is presided for masking a process used in generating a random number sequence. The method includes generating a random number sequence. This step involves selectively generating the random...
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US20080301210 |
RANDOM TELEGRAPH SIGNAL NOISE AS A SOURCE FOR RANDOM NUMBERS
An apparatus and method for providing a source of random numbers are generally described. In one example, an apparatus includes one or more storage elements having a selected voltage and a trip...
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US20080295149 |
METHOD AND SYSTEM FOR GENERATING AND USING DIGITAL FINGERPRINTS FOR ELECTRONIC DOCUMENTS
This invention is directed to a method and system for generating and using digital fingerprints in copies of an electronic document so that it is possible to determine at least one from among a...
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US20080294707 |
RANDOM NUMBER GENERATION DEVICE AND VEHICLE CONTROL DEVICE
A random number generation device including a first random number generation part which generates a new random number based on a random number which was previously generated and which outputs the...
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US20080288566 |
MULTIMEDIA INFORMATION PROVIDING SYSTEM, SERVER DEVICE, TERMINAL EQUIPMENT, MULTIMEDIA INFORMATION PROVIDING METHOD, AND COMPUTER-READABLE MEDIUM
In a multimedia information providing system, responding to a preview request from a terminal equipment, a server device generates a chaotic random number sequence from an initial value allocated...
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US20080279370 |
METHODS AND APPARATUS FOR GENERATING A RANDOM NUMBER IN ONE OR MORE ISOLATED PROCESSORS
A system and method is disclosed which may include providing at least one processor with an integrally disposed random number generator (RNG) therein; entering a protected mode by said at least one...
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US20080263116 |
BALANCED PSEUDO-RANDOM BINARY SEQUENCE GENERATOR
Disclosed is a method for producing, in an electronic circuit, a varying digital output in response to edges of a received clock signal. The method includes generating, within circuitry of the...
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US20080256151 |
WEIGHTED ENTROPY POOL SERVICE
A weighted entropy pool service system and methods. Weights are associated with entropy sources and are used to estimate a quantity of entropy contained in data from the entropy sources. An...
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US20080243978 |
RANDOM NUMBER GENERATOR
A random number generator includes an amplifier to amplify a difference between a noise signal and a reference signal to generate an amplified signal, a plurality of binarization circuits...
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US20080243977 |
PSEUDORANDOM NUMBER GENERATOR AND ENCRYTION DEVICE USING THE SAME
A pseudorandom number generator reduced in size while maintaining high security is disclosed. The generator has a state storage unit of 2 blocks (n bits per block) and a buffer of plurality of...
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