Matches 1 - 49 out of 49


Match Document Document Title
US20140270169 Randomizing Current Injection Circuit to Obscure Gate Noise for Added Security  
A circuit for obscuring gate switching noise includes a synchronous clock source; an asynchronous clock source; at least one current source; and a random number generating circuit for receiving...
US20140169559 ELECTRONIC DEVICE AND AUDIO PROCESSING METHOD  
An audio processing method for an electronic device includes a first audio file, a second audio file, and a first digital watermark to perform an audio processing method. The first digital...
US20120045054 METHOD AND APPARATUS FOR DELIVERING WATERMARKED DIGITAL MEDIA CONTENT TO A USER UPON REQUEST  
The present invention provides a means and an apparatus for watermarking a digital signal. A particular content which is to be made available by a content provider to potential content users is...
US20090041241 NEAR FIELD COMMUNICATIONS SYSTEM HAVING ENHANCED SECURITY  
A near field communication system can include a near field generator configured to generate a near field detectable information signal. The near field generator and supporting circuitry also...
US20090034724 MASKING OF DATA IN A CALCULATION  
A method and a circuit for ciphering or deciphering data with a key by using at least one variable stored in a storage element and updated by the successive operations, the variable being masked...
US20080199009 Signal Watermarking in the Presence of Encryption  
A method is disclosed that enables the transmission of a digital message along with a corresponding information signal, such as audio or video. The supplemental information contained in digital...
US20080297365 Method and system of guising communication using a chatter signal  
Method and system of guising communication using a chatter signal is disclosed. In one embodiment, a method includes communicating a chatter signal generated by a first node of a network to a...
US20090141895 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...
US20110261958 TABLE SPLITTING FOR CRYPTOGRAPHIC PROCESSES  
For a defined cryptographic process including an original substitution table, split masked substitution tables are provided to resist cryptographic attacks. The split masked substitution tables...
US20060109983 Signal masking and method thereof  
A method and corresponding apparatus of adaptively masking signals in an efficient effective manner includes providing a signal; generating a masking signal that adaptively corresponds to the...
US20120314861 SYSTEM AND METHOD OF DECOUPLING AND EXPOSING COMPUTING DEVICE ORIGINATED LOCATION INFORMATION  
A system and method is provided to determine location information of a portable computing device and, in particular, to a secure and scalable system and method of decoupling and exposing handset...
US20120045053 RANDOM SIGNAL GENERATOR USING QUANTUM NOISE  
Systems and methods for generating a random signal, based on quantum noise in the phase of two or more input signals. The generated output random signal has random variation in its intensity based...
US20110085662 HIGH UTILIZATION UNIVERSAL LOGIC ARRAY WITH VARIABLE CIRCUIT TOPOLOGY AND LOGISTIC MAP CIRCUIT TO REALIZE A VARIETY OF LOGIC GATES WITH CONSTANT POWER SIGNATURES  
Disclosed is a novel circuit able to generate any logic combination possible as a function of the input logic signals. The circuit is described as a 2 input logistic map circuit but may be...
US20090116644 SYSTEM AND METHOD FOR MASKING ARBITRARY BOOLEAN FUNCTIONS  
A method and system for protecting an arbitrary Boolean function of arbitrary number of variables, N, including in a computing device, if N=1, protecting one or more definitions of the arbitrary...
US20120076296 METHOD AND APPARATUS FOR A HIGH BANDWIDTH STREAM CIPHER  
A method and apparatus for a high-bandwidth stream cipher. In one embodiment of the invention, the stream cipher has an output function that receives secret state bits from a block cipher and...
US20090220079 CONCEALING DEVICE AND CONCEALING METHOD  
A security processing apparatus performs security processing in a MAC layer in a mobile communication system. The apparatus includes a mask generation unit generating a mask by using a security...
US20120155640 Method and System Using Stealth Noise Modulation  
A communications system includes a modulator having a first input to receive a synchronization key and to generate a synchronization signal having encoded therein the synchronization key to enable...
US20060104445 Systems and methods for hiding a data group  
A system is provided for hiding a data group in a wireless communication device, in which a predetermined data group is hidden according to a hiding request. The system for hiding a data group...
US20110064221 DIFFERENTIAL PRIVACY PRESERVING RECOMMENDATION  
User rating data may be received at a correlation engine through a network. The user rating data may include ratings generated by a plurality of users for a plurality of items. Correlation data...
US20080212776 ENCRYPTION PROCESSING CIRCUIT AND ENCRYPTION PROCESSING METHOD  
An encryption processing circuit includes: a decoder configured to convert a binary input data used for predetermined encryption computing into a first plurality of bit data of a constant hamming...
US20070121943 Data obfuscation  
A portion of data is obfuscated by performing a bitwise XOR function between bits of the data portion and bits of a mask. The mask is generated based on the memory address of the data portion. A...
US20090304182 System and method for providing information using audio watermarking  
A system for providing information using a watermarking technique includes a signal generating means for inserting an information data into a sound source to generate an audio signal having the...
US20100239091 METHOD FOR GENERATING MASKS IN A COMMUNICATING OBJECT AND CORRESPONDING COMMUNICATING OBJECT  
The invention relates to a method for generating masks in a communicating object, the masks being intended to mask data to be stored in the communicating object. At least one master mask is stored...
US20060120527 Methods, circuits, and computer program products for processing masked data in an advanced encryption system  
An Advanced Encryption System (AES) compliant circuit can include a multiplier circuit configured to multiply masked data with masking data to provide multiplied outputs therefrom and a...
US20120170742 METHOD TO DE-CORRELATE ELECTRIC SIGNALS EMITTED BY AN IC CARD  
A method is to de-correlate electric signals emitted by an IC Card during computations as well as sensitive data involved in such computations. The method includes executing functions introducing...
US20130230169 CIRCUMVENTION OF DYNAMIC, ROBUST, EMBEDDED-SIGNAL DETECTION  
Described herein is a technology facilitating circumvention of dynamic and robust detection of one or more embedded-signals (e.g., watermark, copyright notice, encoded data, etc.) in one or more...
US20130230170 PROTECTION AGAINST PASSIVE SNIFFING  
The invention relates in particular to a method for securing the execution of a cryptographic algorithm (ALG) against passive sniffing, the method implementing masking (MSK) of data processed by...
US20050008157 Method and system for transmitting secret data in a communication network  
A method and a system for transmitting secret data in a communication network are provided. An arbitrary data sequence, which lacks information required for performing channel estimation, is sent...
US20120163596 WATERMARKING SLICES STORED IN A DISPERSED STORAGE NETWORK  
A method begins by a processing module receiving data for storage in a dispersed storage network (DSN) memory and obtaining watermarking information regarding a source of the data. The method...
US20120039469 SYSTEM AND METHOD FOR VARIABLE LENGTH ENCRYPTION  
Systems and methods for performing a secure transaction provided. In one embodiment, the method includes: reading data on a command token, reading data on a token; encrypting the token data with a...
US20100166180 CLOAKING OF RADIO SIGNALS  
The present invention comprises a device that, based upon signals transmitted by devices within a wireless network, causes masking signals to be selectively transmitted. For example, the device...
US20100150346 DATA ENCRYPTION APPARATUS, DATA CONVERTING METHOD, DATA CONVERTING PROGRAM, RECORDING MEDIUM AND INTEGRATED CIRCUIT  
A data encryption apparatus reduces a hardware gate scale over that of conventional technology which uses substitution tables, and realizes high scrambling performance. The data encryption...
US20090262595 METHOD AND APPARATUS FOR OPERATING MASKABLE MEMORY CELLS  
A plurality of masked memory cells organized in at least two groups, each group using an individual mask signal, is operated by providing a logically valid mask signal only for a selected group...
US20170154193 GATE-LEVEL MASKING  
A method of and system for gate-level masking of secret data during a cryptographic process is described. A mask share is determined, wherein a first portion of the mask share includes a first...
US20160350068 METHODS AND SYSTEMS FOR CONVEYING ENCRYPTED DATA TO A COMMUNICATION DEVICE  
An embodiment takes the form of an accessory for attachment to a communication device, the accessory comprising a microphone disposed on the accessory to detect sound, a cryptographic module...
US20160334449 SNOOPING DETECTION BETWEEN SILICON ELEMENTS IN A CIRCUIT  
An electronic circuit with protection against eavesdropping, including a first circuit element embedded in the electronic circuit, a second circuit element embedded in the electronic circuit, one...
US20160196439 AUDIO ENCRYPTION SYSTEMS AND METHODS  
Encryption systems and methods for audio data, and more particularly, for complete audio encryption of recorded data for transmission, management, review, and modification or transformation of...
US20160142207 Utilizing data reduction in steganographic and cryptographic systems  
The present invention relates to methods for protecting a data signal using the following techniques: applying a data reduction technique to reduce the data signal into a reduced data signal;...
US20160118036 SYSTEMS AND METHODS FOR POSITIONING A USER OF A HANDS-FREE INTERCOMMUNICATION SYSTEM  
A hands-free intercom may include a user-tracking sensor, a directional microphone, a directional sound emitter, a display device, and/or a communication interface. The user-tracking sensor may...
US20160098245 SYSTEMS AND METHODS FOR ENHANCING TELECOMMUNICATIONS SECURITY  
The present invention provides a method and system for securing audio data. The method includes receiving audio input signals from an input port, receiving at least one noise signal from a noise...
US20150365384 System and Methods for Transmitting Information Using Inaudible Acoustic Signals  
A system and associated methods for transmitting information using inaudible acoustic signals are disclosed. In at least one embodiment, a user application resides in memory on an at least one...
US20150139420 Serial transmission having a low level EMI  
A method for transmitting data in series includes producing a scrambled signal by applying a scrambling using a pseudo-random sequence to an incoming serial signal conveying the data and producing...
US20130195270 SYSTEM AND METHODS FOR PERMITTING OPEN ACCESS TO DATA OBJECTS AND FOR SECURING DATA WITHIN THE DATA OBJECTS  
A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for...
US20130051556 SYSTEM FOR ENCRYPTING DATA WITH AN ERROR CORRECTION CODE  
An encryption method and apparatus is provided for increasing the security of encrypted data by puncturing or repeating a part of coded data. The data encryption method includes converting data to...
US20120300928 SYSTEM AND METHODS FOR PERMITTING OPEN ACCESS TO DATA OBJECTS AND FOR SECURING DATA WITHIN THE DATA OBJECTS  
A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for...
US20110311048 CRYPTOGRAPHIC OPERATION APPARATUS, STORAGE APPARATUS, AND CRYPTOGRAPHIC OPERATION METHOD  
According to one embodiment, the cryptographic operation apparatus performs a cryptographic operation using first and second key data and includes an initial mask value creating unit that creates...
US20110135092 METHOD AND DEVICE FOR PROCTECTING A READING DEVICE FOR CARD-SHAPED DATA CARRIERS FROM UNAUTHORIZED EVALUATION OR COPYING OF MAGNETICALLY ENCODED DATA OF AN INSERTED CARD-SHAPED DATA CARRIER  
The invention relates to a method and devices for protecting a reading device (1) for card-shaped data carriers (2) against unauthorised evaluation or copying of magnetically encoded data detected...
US20110026709 SYSTEM AND METHODS FOR PERMITTING OPEN ACCESS TO DATA OBJECTS AND FOR SECURING DATA WITHIN THE DATA OBJECTS  
A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for...
US20100324835 METHOD AND DEVICE FOR SECURELY STORING DATA  
A system for providing secure access to mechanical data associated with the mechanical properties of a concrete mass. The system includes a logger associated with the concrete mass and having at...

Matches 1 - 49 out of 49