324 results about "Random number generation" patented technology

The invention discloses a multi-entropy source dynamic fusion true random number hardware generation system, which comprises a multi-entropy source acquisition module used for acquiring original entropy signals generated by at least two heterogeneous physical entropy sources in parallel, the heterogeneous physical entropy sources comprising an entropy source based on semiconductor junction thermal noise and an entropy source based on ring oscillator phase jitter; the entropy preprocessing module is used for carrying out adaptive gain adjustment and frequency band filtering on each original entropy signal and converting the original entropy signals into digital bit streams; the entropy source quality evaluation module is used for receiving each digital bit stream in real time and calculating a real-time quality evaluation score of each entropy source based on statistical characteristics of the digital bit streams, i is an entropy source identifier, and t is a time sequence; according to the method, the high randomness, high safety and high reliability of true random number generation can be fundamentally improved.

Systems and techniques may generally be used for modifying quantum entangled bit communication. An example technique may include generating, at a first node in a computing network, a random number using a quantum derived seed as input to a random number generator; modifying a program using the random number while maintaining a function output of the program for a given input; receiving, at the first node from a second node, an input based on the random number; and executing the modified program at the first node using the input to obtain an output consistent with the program in an unmodified state.

A random number generator comprises a ring generator and one or more inverter-based ring oscillators. The one or more inverter-based ring oscillators is configured to inject bits into the ring generator at a plurality of location. If there is more than one inverter-based ring oscillators, the inverter-based ring oscillators may have different numbers of inverting elements and may inject bits into the ring generator at different locations. At least one of the one or more inverterbased ring oscillators may be configured to inject bits into the ring generator at different locations from outputs of some or all its inverting elements. The random number generator may further comprise blocking circuitry configured to convert, based on a blocking signal, the ring generator into a circular shift register by blocking both the injection from the plurality of inverter-based ring oscillators and internal feedbacks in the ring generator.

The embodiment of the invention provides a physical unclonable function generator and a true random number generator. The physical unclonable function generator comprises a storage array and a control unit, a storage unit in the storage array comprises a magnetic storage device, and the magnetic storage device comprises a magnetic tunnel junction; the control unit is used for controlling the application of a magnetic field along a target direction to the storage array, and reading the resistance state of the storage unit to generate a physical unclonable function after the application of the magnetic field is stopped; wherein the target direction is perpendicular to or approximately perpendicular to the magnetic moment direction of the free layer in the magnetic tunnel junction in the in-plane direction, and the randomness and uniformity of the physical unclonable function are improved.

The invention relates to a key management method and device based on a quantum security chip carrier, and relates to the technical field of quantum computing, a unique UID is generated through a quantum random number generator in combination with a PUF technology, a mapping relation is established, sub-keys are derived in a layered mode and stored in a partitioned mode, and the key management efficiency is improved. A ternary binding mechanism of a chip unique identity, a quantum random entropy source and a storage environment fingerprint is constructed, through integrity verification, bidirectional identity authentication and a quantum secure transmission channel, key full-life-cycle security control is realized, quantum attacks and security threats are effectively resisted, and the security, credibility, traceability and suitability of key management are improved.

An electronic gaming device includes a processor configured to determine a symbol position state of a plurality of symbol position states wherein each symbol position state corresponds to a number of symbol positions and based upon the symbol position state, determine a paytable of a plurality of paytables. The processor is also configured to receive a random number generator (RNG) output and based upon the RNG output and the paytable, control display of a plurality of symbols. The processor is further configured to determine that the plurality of symbols includes at least one modifier symbol and based upon the at least one modifier symbol, determine a different symbol position state and a different paytable for a next play of the electronic game wherein the different symbol position state includes at least one more symbol position than the number of symbol positions.

The invention discloses a quantum random source, equipment fingerprint and biological characteristic-based three-quantum hybrid security chip and an identity authentication method. The three-quantum hybrid security chip comprises a quantum random number generation unit; the system comprises an equipment safety processing unit, a biological characteristic processing unit, a triple mixing processing unit and a key derivation and identity management unit. The chip is integrated with a biological characteristic processing unit with living body detection and quantum fuzzy commitment functions, quantum randomness, equipment physical fingerprints and living body biological characteristics are subjected to deep cryptographic fusion through a triple hybrid processing unit, a unique hybrid result binding'equipment-user 'is generated, and a joint authentication key is derived according to the hybrid result; according to the invention, the method achieves the jump from equipment authentication to human-machine integrated strong authentication, thoroughly solves the risk of equipment embezzlement while inheriting the anti-quantum and anti-cloning advantages, and is suitable for scenes with the highest security level.

True random number generators including ring oscillator circuits leveraging frequency and phase collapse events are described. An example ring oscillator circuit (ROC) includes a first oscillating loop comprising a first set of inverters, where the first oscillating loop is to oscillate at a first frequency and phase. The ROC further includes a second oscillating loop comprising a second set of inverters, which differs from the first set of inverters either in terms of a type of inverters or a number of inverters. The second oscillating loop is to oscillate at a second frequency and phase, different from the first frequency and phase. The ROC further includes a third oscillating loop to, as a result of mode switching from a first mode of operation into a second mode of operation, oscillate at a third frequency and phase, different from the first frequency and phase and the second frequency and phase.

The application provides a soft and hard cooperative security AI NAS storage and calculation system and an access authentication method, and belongs to the technical field of network storage. The system comprises a hardware security layer, a lobster security core module, a compulsory authentication gateway, an encrypted storage engine, an intelligent access control module and a security audit and monitoring module. The hardware security layer comprises a lobster security chip and a hardware root of trust module. The lobster security chip is an independent security processor, and is internally provided with a true random number generator, an encryption acceleration engine and a security storage area. The hardware root of trust module is used for system startup verification and root key hardware protection. Through the soft and hard cooperative architecture and the compulsory authentication mechanism, the application realizes a complete trust chain from the hardware root of trust to the application layer, can effectively prevent ransomware attacks and data leakage risks, and improves data operation efficiency.

A system to generate true random numbers includes a RAM array, a null-read controller and a hash generator. The RAM array has memory cells and a sense amplifier. The memory cells store data therein, the cells are connected in rows to word lines and in columns to pairs of bit lines, and the sense amplifier senses a differential input signal. The null-read controller implements a null-read operation by the sense amplifier of a portion of the RAM array. The hash generator receives a null-read result from the null-read operation and outputs a partial true random number based on the null-read result.

Embodiments of the present invention provide entertainment gaming systems and methods comprising, among other things, a real world non-random number outcome generator machine and an entertainment gaming machine wherein the non-random outcome from the real world non-random number generator machine is processed into an entertainment gaming machine outcome. The entertainment gaming system and method of embodiments of the invention may be configured to collect non-random number based outcome from a real-world event and transmitting it to the entertainment gaming machine. The non-random number outcome from the real-world is processed into an entertainment gaming machine outcome event by the entertaining game machine processor or by the central server. The central server communicates with the real word non-random number outcome generator and entertainment gaming machine wherein the central server further transmit the processed outcome to the entertainment gaming machine to generate the game result requested by the triggering event on the entertainment gaming machine.

The present disclosure provides a quantum random number generation method, device, equipment, system and storage medium, relates to the technical field of data processing, and particularly relates to the technical field of quantum computing, quantum random numbers and the like. A specific implementation scheme is as follows: determining a pulse feature of a target pulse applied on a target ion, wherein the target ion is an ion used as a quantum bit; applying the target pulse on the target ion based on the pulse feature of the target pulse, so that the target ion is in a target superposition state; and obtaining a quantum random number by using the target ion in the target superposition state.

The secret distribution device has a true random number generation section that generates true random numbers, and a calculation section that performs secret distribution on a value obtained by multiplying k (k > 1) true random numbers from the true random number generation section, performs calculation on the inverse of one of the k true random numbers, and combines the inverse with one of the distributed values after secret distribution, and performs calculation on k sets of conversion random numbers.

The application discloses a binomial sampling circuit applied to post-quantum cryptographic algorithm and resisting side channel attacks, comprising a random number generation unit, a binomial sampling unit and a control logic unit; the random number generation unit is used for generating pseudo random numbers according to input data; the pseudo random numbers comprise true data and false data; the binomial sampling unit is used for synchronously performing binomial sampling on the true data and the false data; and the control logic unit is used for controlling the random number generation unit and the binomial sampling unit to operate according to external instructions. The binomial sampling circuit applied to post-quantum cryptographic algorithm and resisting side channel attacks disclosed by the application increases the difficulty of analysis of attackers by generating pseudo random numbers, synchronously samples the true data and the false data to interfere with the attackers, and jointly realizes the protection against side channel attacks, thereby effectively improving the security of a Kyber cryptographic system and reducing the risk of being attacked by side channels.

FIELD: computing technology.SUBSTANCE: invention can be used for hardware implementation of the evaluation of random number generators (RNG) based on repeating codes in the output sequence from the RNG. A random number generator quality analyser includes a shift register, a decoder, a comparison unit, a counter, a logarithm calculator, a divider, and a square root calculator, wherein the first input of the device is connected to the input of the shift register, the output of which is connected to the first input of the comparison unit, the second input of the device is connected to the input of the decoder, the output of which is connected to the second input of the comparison unit, the output of which is connected to the input of the counter, the output of which is connected to the input of the logarithm calculator and to the input of the divider, built on the basis of the CORDIC algorithm, the output of which is connected to the input of the square root calculator, the output of which is connected to the output of the device, wherein the output of the logarithm calculator is connected to the input of the divider.EFFECT: expanding the information field for assessing the quality of the RNG operation during hardware implementation.2 cl, 5 dwg

An electronic circuit comprising a data storage element, a quantum random number generator, and a communication interface is provided. The electronic circuit is configured to: a) provide at least one true random number using the quantum random number generator; b) generate a cryptographic key based on the provided random number and make it available for adapting an encryption method for encrypted communication with a communication partner; c) provide the communication partner with information about the adaptation of the encryption method via the communication interface; and d) generate a block to confirm the adaptation of the encryption method for a blockchain and store the blockchain with the block in the data storage element.

A computer-implemented method for providing correlated randomness for secure multiparty computation using a plurality of computing machines. The method includes: executing a trusted execution environment system; setting up at least one correlated randomness generator in the trusted execution environment system; remote attestation of a single correlated randomness generator by all computing machines or remote attestation of a plurality of correlated randomness generators by in each case one computing machine, injecting in each case at least one secret by all computing machines into a single correlated randomness generator or injecting at least one secret by one computing machine into in each case one correlated randomness generator; checking the injected secrets by the correlated randomness generator(s); generating correlated randomness for the computing machines depending on the injected secrets; distributing the correlated randomness to the computing machines, wherein each computing machine receives only the correlated randomness created for it.

This invention belongs to the field of random number generator technology, and relates to a true random number generator based on volatile memristors and a method for fabricating memristors. The method includes an entropy generation unit and a bit extraction unit. The entropy generation unit includes two or more volatile memristors connected in parallel, one end of which is connected to the input voltage, and the other end is connected in series with a load resistor and then grounded. The entropy generation unit exhibits spontaneous bistable switching behavior under high input voltage. The bit extraction unit includes a T flip-flop connected between the load resistor and the parallel volatile memristors, used to sample oscillation signals and generate a usable random bit stream. Its advantages are that it simplifies the circuit structure of the true random number generator, achieves a high random bit generation rate, and achieves extremely high energy efficiency.

The invention relates to the technical field of computers, and discloses a data security docking method and system, electronic equipment and a storage medium, and the method comprises the following steps: generating an asymmetric key pair based on a national cryptographic algorithm, securely storing a private key in a trusted execution environment, submitting registration information, obtaining a digital certificate, chaining certificate metadata, and establishing a trusted digital identity; obtaining an authentication request identifier and a random number, and generating a composite report; performing equipment registration state verification, hardware trust chain verification and public key certificate consistency verification on the composite report, generating a structured authentication result after the verification is passed, and uploading the structured authentication result for evidence storage; querying an on-chain authentication state, encrypting data by using a data key, encrypting the data key by using a public key obtained from an authentication result, and transmitting the encrypted data; and using the private key to decrypt the data key in the trusted execution environment, and using the data key to decrypt and process the encrypted data. According to the method, the operation process can be simplified, the data leakage risk is eliminated, and a globally audible trust system is established.

Provided are a method and apparatus for generating a random number in a blockchain, wherein the method includes: a first random number and a first digest value of the first random number are locally generated by a first node in a blockchain; the first node submits the first digest value to a smart contract; the smart contract broadcasts a first service; the smart contract determines a second node from the at least one blockchain node; when the first service ends, the first node submits the first random number to the smart contract; when the smart contract verifies that the first random number corresponds to the first digest value, the smart contract generates a second random number based on a second digest value of the second node and the first random number; and a second service is started based on the second random number.

The application discloses a remote identity authentication and security protection method of an aircraft, a remote identity authentication device and a storage medium, and relates to the technical field of the aircraft. The method comprises the following steps: broadcasting an identity identification code of the aircraft to a ground management center through the remote identity authentication device; obtaining a first random number returned by the ground management center, and sending an identity authentication token generated based on the first random number to the ground management center, so that the ground management center determines a remote identity authentication result of the aircraft based on a digital signature in the identity authentication token and the first random number; and judging whether there is a destructive behavior by detecting the states of a micro switch, a line wall plate and a plurality of separate detection contacts on the remote identity authentication device. The identity authentication process of broadcasting, feedback and token verification is used, so that the authenticity and reliability of the aircraft identity are improved. In addition, a disassembly prevention detection mechanism is further arranged, so that the destructive behavior against the remote identity authentication device can be identified in a timely manner.

Photonic quantum random number generators (QRNGs) that may natively generate entropy of a desired distribution (e.g., according to a desired PDF) are disclosed. These photonic QRNGs may comprise a photon source coupled to a Mach-Zehnder Modulator (MZM) array comprising a set of MZMs. This array of MZMs can be coupled to a photodetector array comprising a set of photodetectors. An extractor can be coupled to the photodetector array where the extractor is adapted to produce values based on detection of photons at the photodetector array. The MZM array can be tuned to achieve a desired distribution of entropy.

The application provides a cross-chip random number generation method and device, applied to the technical field of computers. The method comprises the following steps: obtaining a first thread total number of a first target chip and a second thread total number of a second target chip, wherein the first thread total number is greater than the second thread total number; determining a sub-sequence total number to be generated according to the first thread total number; allocating at least one sub-sequence calculation task to each thread of the second target chip based on the sub-sequence total number and the second thread total number; sequentially processing the at least one sub-sequence calculation task according to a preset processing rule to obtain a target random number sequence consistent with a random number sequence generated by the first target chip under the same seed; wherein the preset processing rule comprises the following steps: initializing a random number generation state corresponding to a target sub-sequence, generating a random number corresponding to the target sub-sequence by using the random number generation state, and destroying the random number generation state.

The invention relates to a satellite identity authentication method based on a quantum random number generation technology, which comprises the following steps that: a ground master control station respectively sends a preset root key to a satellite end and a ground terminal, and a quantum random number generator QRNG is arranged in the satellite end; after a ground terminal sends an access request signaling to a satellite terminal, the satellite terminal generates a quantum random number R and returns the quantum random number R and a downlink signaling message to the ground terminal together, and at the moment, the satellite terminal selects one of a symmetric algorithm mode and an asymmetric algorithm mode to perform identity authentication according to the length of a reserved bit of a signaling frame; the ground terminal generates an encrypted authentication message by using a preset root key, and the satellite terminal authenticates and confirms the encrypted authentication message and then sends an access confirmation signaling; if not, refusing connection and triggering an alarm; the quantum random number generation technology is used as an authentication key, real-time switching between a symmetric encryption mode and an asymmetric encryption mode can be achieved, the safety of the system is improved to the maximum extent, meanwhile, the communication timeliness of the system is not affected, and the bandwidth is saved.

A method of a first apparatus for ranging by using ultra-wideband (UWB) and the first apparatus are provided. The method of the first apparatus includes ranging with a second apparatus in a first ranging cycle among a plurality of ranging cycles included in a first ranging block, determining whether to hop based on a result of the ranging, when it is determined to hop, determining an index of a second ranging cycle for ranging with the second apparatus based on a random number generation function, and ranging with the second apparatus in the second ranging cycle of a second ranging block.

The application relates to the technical field of information security, and particularly discloses a homomorphic encryption method and system based on the Chinese remainder theorem, which comprises the following steps: a client initializes system parameters and generates an encoding modulus base; the client generates an encryption key through the system parameters and a random number generator; the client uses the Chinese remainder theorem to encrypt a message plaintext into ciphertext by using the encoding modulus base and the encryption key, and sends the ciphertext and the encoding modulus base to a server end; the server end performs homomorphic calculation on the ciphertext through the encoding modulus base to generate a homomorphic operation result; and the server end decrypts the homomorphic operation result by using the encryption key. The application can significantly compress the ciphertext size and greatly reduce the communication and storage overhead of the system.

This application provides a blockchain-based power trading system. The system includes: acquiring power information; generating a seller's transaction document based on the power information and sending it to the blockchain for identity verification; acquiring user information; generating a buyer's transaction document based on the user information and sending it to the blockchain for identity verification; the buyer generating a random number and sending the random number to both the seller and a third-party platform; the seller generating a verification code based on the random number and sending it to the third-party platform; the third-party platform obtaining the decoded random number contained in the verification code and comparing it with the random number sent by the buyer for verification; if the verification passes, the seller's transaction document and the buyer's transaction document are merged to generate a power trading document, which is then sent to both the seller and the buyer, and the transaction is executed. This application achieves distributed data storage and tamper-proof information through blockchain verification and storage, thus improving transaction security.

The application discloses a kind of parallel random number generation devices based on pulse driving micro-ring resonator cavity, by adopting pulse mode driving micro-ring resonator cavity, improve the instantaneous power level in cavity, enhance nonlinear effect, to effectively expand the effective bandwidth of chaotic entropy source, improve the complexity of entropy source.Meanwhile, using the characteristics that micro-ring resonator cavity naturally supports multi-wavelength output, and combining with filter demultiplexing structure, the parallel output of multiple chaotic entropy sources is realized, which is beneficial to improve the parallel generation ability of random number.Finally, by combining post-processing methods such as difference, quantization and decorrelation, the overall generation rate of random bits is improved while ensuring randomness quality.The application has relatively simple structure, is suitable for integrated implementation, and can meet the application requirements of high-speed parallel random number generation.

Data processing device having a defining apparatus to define multi-bit output symbols of a random symbol source used to generate a single random number, a determination apparatus configured to use predetermined transition probabilities between output symbols of the random symbol source to determine, for every possible sequence of the specified number of multi-bit output symbols, a probability that the random symbol source outputs that sequence, a grouping apparatus to group the possible sequences into groups such that the overall probabilities of the groups are as equal as possible, wherein each group's overall probability is the sum of the determined probabilities of the sequences belonging to that group, and an assignment apparatus to assign a random number to each group as the random number to be output by the random number generator for the sequences of random symbols belonging to that group.

The invention provides a security authentication method and device based on quantum random numbers and electronic equipment, and the method comprises the steps: obtaining quantum noise through a quantum random number generator, the quantum noise at least comprising a photon polarization state and vacuum fluctuation; performing analog-to-digital conversion on the quantum noise, and generating a true random number sequence according to the converted quantum noise to obtain a first target sequence; when a security authentication request is received, intercepting the first target sequence according to the type of the security authentication request to obtain a second target sequence; and sending the second target sequence to the target terminal to complete security authentication. The method solves the problem that in the prior art, random number generation depends on a deterministic algorithm, and the seed of the random number generation can be reversely analyzed, so that security authentication has the risk of being decoded.