857 results about "Random number generation" patented technology

Various systems and methods are directed to an electro-mechanical dice shaker gaming system designed to enhance fairness, transparency, and security in wager-based gaming environments. The system includes an electro-mechanical random number generator (RNG) assembly that physically isolates the dice shaking mechanism from the player terminal, preventing external interference from affecting game outcomes. The dice shaker mechanism is housed in a transparent enclosure, allowing players and casino operators to visually verify each roll. Integrated sensors, including tilt and vibration detectors, monitor environmental conditions to detect and prevent tampering. A camera-based monitoring system captures images of each dice roll, facilitating automated outcome verification and compliance auditing. The system supports modular configurations for multi-player gaming, real-time streaming for remote participation, and AI-driven fraud detection. Additionally, an adjustable mirror enhances dice visibility, and automated mechanisms allow dynamic control over the number of dice in play, offering a scalable and secure gaming solution.

The invention discloses a computer network data secure transmission system and method, and particularly relates to the technical field of network data secure transmission, and the system comprises a dynamic key management module which generates a key seed through a quantum random number generator, generates a dynamic key bound with a data packet in combination with a timestamp, and transmits the dynamic key to a server; after being encrypted by a receiving end public key, the data are transmitted through an independent verification channel; the dual-path transmission control module is used for establishing dual channels of a main path and a shadow path, a data packet of the main path is embedded into a random camouflage protocol header to simulate a non-sensitive protocol, and a blank data packet is filled in the shadow path to maintain traffic characteristics; according to the real-time verification engine, a receiving end constructs an encrypted hash tree to achieve fragment-level integrity verification, and meanwhile, requests key state three-state verification from the key management module. Through key dynamic generation and separation transmission, dual-path adaptive fragmentation distribution, fragmentation hash tree reconstruction and key linkage verification, and abnormal triggering fragmentation level retransmission, the problems of long-term effectiveness of a static key, predictable transmission path and verification lag are solved.

Systems and methods for securing transactions in accordance with various embodiments of the invention are illustrated. One embodiment includes a method for confirming token ownership rights. The method generates a pre-image value using a random number generator. The method generates an action request that corresponds to an action performed cryptographic token(s). The method derives a commit output based on the pre-image value. The method generates a commit request that obfuscates the action request based on the commit output and submits the commit request to an immutable ledger. The method receives a confirmation when the commit request is approved by the ledger. When a reveal request referencing the commit output is published, the method receives a confirmation of at least one of: the reveal request being published, that the reveal request comprises a reference to the commit output, or that the action request has been approved.

The invention provides a firmware encryption method and system based on a device unique identifier and dynamic key verification, and relates to the technical field of firmware protection, and the method comprises the steps: obtaining a unique identifier of a device, the unique identifier being hardware feature information which cannot be modified; a dynamic key is generated based on the unique identifier and the random number, and the dynamic key is realized through an encryption algorithm and is regenerated every time the device is started or firmware is updated; the dynamic key is stored in a storage area protected by hardware, and the storage area is subjected to double protection of hardware isolation and logic encryption; and when the device is started, the dynamic key is regenerated, the unique identifier of the dynamic key and the unique identifier of the dynamic key stored in the storage area are compared and verified, if the dynamic key and the unique identifier are consistent, firmware operation is allowed, and otherwise, a safety response mechanism is triggered. According to the invention, the security and reliability of firmware protection can be improved.

An electronic gaming machine comprising a display device, a random number generator, a processor, and a memory storing instructions which, cause the processor to, in response to a feature wheel initiation condition being met: select, based on one or more random numbers dynamically generated by the random number generator, stopping positions for a plurality of feature wheels, each of the feature wheels being associated with a different feature event corresponding to a spinning reel, and each of the feature wheels comprising a plurality of outcomes at different stopping positions, wherein at least one of the different stopping positions corresponds to an outcome; control the display device to display spinning to the stopping positions selected; determine whether to provide an outcome from the plurality of outcomes; and upon determining to provide more than one outcome comprising the feature event, initiate a composite feature event.

The invention discloses an Internet of Things data transmission security enhancement method combined with quantum random number generation, which comprises the following steps of: generating a high-security and unpredictable random number seed through a quantum random number generator, and generating a dynamic binding key in combination with a unique identifier of equipment and a timestamp, the binding key is used for generating a shared session key between devices through a quantum secure handshake protocol, so that the confidentiality and integrity of data transmission are ensured, a dynamic key updating mechanism is introduced, the binding key and the session key are updated regularly, the security risk caused by long-term use of the same key is avoided, a key destruction mechanism is designed, and the security of data transmission is ensured. A session key is completely destroyed after a session is ended, a malicious attacker is prevented from recovering the key, and a standby key generation and synchronization mechanism ensures that the system can automatically switch to a standby key when key synchronization fails or communication is abnormal, so that data transmission is not affected. The method has the advantages of good expandability and high safety.

The invention discloses a server hardware testing terminal and method, and relates to the technical field of server hardware testing, and the method comprises the steps: obtaining server hardware configuration parameters and storage equipment specification information, collecting the number of processor cores, memory capacity and storage equipment read-write speed reference data through a system monitoring interface, building a hardware performance baseline file, and storing the baseline file in a server; obtaining a complete hardware resource list and a performance index range; the method comprises the following steps: constructing a multi-dimensional workload model according to information retrieval scene features, creating query request sets of different scales by adopting a random number generator, simulating a mixed load mode of full-text retrieval and database query, and determining resource consumption weights and execution time distribution of various query operations; and analyzing query request distribution characteristics in the workload model through a dynamic load balancing algorithm, if query requests are concentrated in a specific time period, adjusting a load distribution strategy, obtaining a uniformly distributed test load sequence, and judging the impact degree of a load peak value on hardware resources.

The invention relates to the technical field of network security, in particular to a distributed key management and encryption communication method oriented to a big data environment. The method comprises the following steps: establishing a system architecture and configuring safety parameters; generating a master key and a session key through the random number; segmenting the master key into a plurality of segments and storing the segments to different nodes; encrypting the session key by using the public key of the receiver, distributing the session key through the secure channel, and decrypting the session key by the receiver to obtain the session key; constructing a Merkle tree through an AES-GCM function, and introducing a network adaptation factor into an encryption process by considering that security requirements and network conditions of data encryption in different environments are different; and regularly updating a secret key, implementing an access control strategy, and recording a log to perform system audit so as to guarantee long-term security. According to the invention, the efficient AES-GCM encryption algorithm is used, so that the speed and security of data encryption are improved. By implementing the access control strategy, only the authorized user can access and operate the key, and the security of the system is improved.

The invention relates to the technical field of power data transmission, and discloses a power distribution Internet of Things terminal management method and system based on quantum cloud codes, and electronic equipment. The method comprises the steps of mixing original data through a random number generator to obtain a quantum cloud code seed, obtaining a quantum cloud code sequence through fragmentation encryption, forming a terminal equipment grouping key according to a preset rule, generating an equipment identity feature code in combination with operation state information, and establishing a data transmission channel according to the feature code. A secure communication link is formed through encryption and verification of a session key, operation data in the communication link is collected, a standardized data set is obtained through cleaning and normalization, output equipment behavior characteristics are mapped, operation authority is dynamically adjusted to construct a management system, regular snapshot and distributed backup are performed, and disaster recovery backup data are formed to establish a recovery strategy. According to the invention, security authentication, dynamic permission allocation and intelligent management of the terminal equipment are realized, and the security and management efficiency of the system are remarkably improved.

The invention discloses a true random number generator circuit based on 1T1R and a random number generation method thereof, belongs to the field of information security, and aims to solve the problem that in most true random number generator circuit designs based on volatile memristors, peripheral circuits generally comprise logic gates, triggers and clock signal generators, so that the reliability of the true random number generator circuit is greatly improved. The circuit comprises a memristor, a transistor and a T flip-flop, and the memristor, the transistor and the T flip-flop are connected with the memristor and the T flip-flop respectively. One end of the memristor is connected with an input voltage # imgabs0 #, and the other end of the memristor is connected in series to the drain electrode of the transistor through a first wire; the grid electrode of the transistor is connected to a fixed voltage # imgabs1 #, and the source electrode of the transistor is grounded; a second wire is led out from the first wire connected with the memristor and the transistor and is connected to the clock end of the T trigger, and the cross connection point of the first wire and the second wire is an output node # imgabs2.

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.

The invention provides a Modbus protocol security enhancement method and system in a unicast communication scene, and relates to the technical field of industrial control networks. Comprising the following steps: sharing a first ciphertext and a second ciphertext between a master node and a slave node; the master node generates a first message authentication code according to the second ciphertext, a preset key and the first random number, and sends the first message to the slave node by using the target function code; the slave node authenticates the identity of the master node according to the first message authentication code, the first ciphertext, the preset key and the second random number; when the slave node successfully authenticates the identity of the master node, the slave node generates a second message authentication code according to the first ciphertext, the preset key and the second random number, and sends a second message to the master node by using the target function code; and the master node authenticates the identity of the slave node according to the second message authentication code, the second ciphertext, the preset key and the first random number. Therefore, the validity of the identities of the two communication parties can be ensured, and the integrity and confidentiality of the data in the transmission process are guaranteed.

The invention relates to a true random number generation circuit and a chip, the true random number generation circuit comprises a clock signal generation module and a sampling module, the output end of the clock signal generation module is connected with one input end of the sampling module; the clock signal generation module is used for randomly switching the input current or voltage of the clock signal generation module according to a random signal so as to generate a jitter clock signal, and the sampling module is used for sampling a target clock signal according to the jitter clock signal so as to generate a true random number. The switching action of switching the input current or voltage can introduce jitter, and the input current or voltage is randomly switched through the random signal, so that the input time of the input current or voltage is random, the jitter degree of the generated jitter clock signal can be effectively increased, and the randomness of the generated true random number can be effectively enhanced; and the quality of the true random number can be effectively improved.

The embodiment of the invention provides a transmission instance generation method, communication equipment, a communication system, a computer storage medium and a computer program product. The transmission instance generation method comprises the following steps: determining assigned nodes and non-assigned nodes in a leaf node set of the current depth of a first random number spanning tree, and when the current depth is expanded to the next depth, assigning all child nodes of the assigned nodes, at least one random value, corresponding to the second random number generation tree, of the next depth is adopted to carry out value assignment on part of child nodes in the non-assigned nodes, and the first random number generation tree and the second random number generation tree have the same fork tree structure; updating the leaf node set of the next depth to the leaf node set of the current depth; and when the current depth reaches the preset depth of the first random number generation tree, outputting a corresponding random value from the assigned node in the leaf node set of the current depth as decoding information of the transmission instance.

A method is disclosed for pseudorandomly generating a streamed video presentation of a draw game from a plurality of previously recorded video fragments where players viewing the streamed video presentation can wager on its outcome. At the conclusion of wagering, a random number generator determines the outcome of the drawing. The method enables the automated generation of a lifelike video draw game with wagering by pseudorandomly generating a scene of the streamed video presentation where player wagering is enabled. After the scene with wagering enabled is completed, another scene is pseudorandomly generated with wagering disabled. At the start of the streaming of the scene with wagering disabled, the connection statuses of all players are verified, with only players with active connections having their wager honored / processed.

Systems and techniques are provided for generating cryptographic keys. For instance, a process may include generating a plurality of master keys based on a plurality of generated random numbers, a second number, and a nonce number; storing a master key, of the plurality of master keys, along with a generated random number of the plurality of generated random numbers, the second number, and the nonce number used to generate the master key in a one-time programmable memory; generating public key-private key pairs for the plurality of master keys; transmitting public keys of the plurality of public key-private key pairs for audit; destroying an audited master key, along with the generated random number, second number, and the nonce number used to generate the audited master key, based on the audit; and storing a non-audited public key-private key pair corresponding to the master key that were not destroyed based on the audit.

The invention discloses a file encryption method and device based on an anti-quantum cryptography technology, and the method comprises the steps: selecting a target encryption algorithm and a target signature algorithm from a preset anti-quantum cryptography algorithm library in response to a file encryption instruction; generating an asymmetric key pair corresponding to the target encryption algorithm through a secure random number generator; the asymmetric key pair comprises a target public key and a target private key, and the target private key is stored in the protected area; dividing a to-be-encrypted original data file into a plurality of file data blocks; using the target encryption algorithm and the target public key to perform hybrid encryption processing on the file data blocks in sequence to generate encrypted data blocks; performing signature processing on the encrypted data block by using a target signature algorithm to generate a digital signature corresponding to the encrypted data block; and performing data packaging on the encrypted data block and the digital signature to determine an anti-quantum encryption file corresponding to the original data file. And the encryption efficiency is considered while the file resists the quantum computing attack.

The invention relates to the technical field of information security and random number generation, and particularly discloses a method and a system for generating a random number by utilizing mobile phone holding micro-vibration and touch pressure, and the random number is generated by collecting physical behavior characteristics when a user holds a mobile terminal within preset time and combining sensor signal processing and a randomness extraction algorithm. The random number generation does not need external hardware support, the randomness is higher, the operation is simple and convenient, and the problems of insufficient randomness and complex operation caused by dependence on an external noise source or specific input in the prior art are solved. According to the method, the dependence on the external environment or additional hardware is avoided, the security, unpredictability and practicability of random number generation are remarkably improved through a multi-level security protection mechanism, reliable technical support is provided for the field of modern information security, and the method has the advantages of being easy to implement, low in cost and high in security and has wide application prospects. The method is suitable for popularization and application in multiple fields of mobile payment, Internet of Things, games and the like.

The embodiment of the invention provides a communication method and system based on a cryptographic infrastructure system, electronic equipment and a computer readable storage medium, and relates to the technical field of quantum secret communication, and the method comprises the steps that a calling KMS obtains a first session key application, and a called KMS obtains a second session key application; the calling KMS generates a random number and sends the random number to the calling QKM; the calling QKM generates a basic session key based on the random number and sends the basic session key to the calling KMS, and the basic session key is sent to the called KMS through the called QKM; the calling KMS and the called KMS negotiate to obtain a first extended session key, and the calling KMS and the called KMS negotiate to obtain a second extended session key; the calling KMS and the called KMS respectively generate a target session key based on the basic session key, the first extended session key and the second extended session key; and the calling KMS and the called KMS respectively send the target session key to the calling terminal and the called terminal, so that the calling terminal and the called terminal perform communication encryption based on the target session key.

The invention discloses an unmanned aerial vehicle control method and device based on a random key stream, and a medium, and relates to the technical field of aircraft control. The method comprises the following steps: presetting a chaos initial value for a main chaos system of an encryption end; selecting a switching strategy according to the current state component of the main chaotic system so as to switch the auxiliary chaotic system; generating a random key stream coefficient through a seed random number generator, and combining the random key stream coefficient with the chaotic initial value to obtain a private key; acquiring an aircraft measurement data plaintext, injecting the plaintext into the chaotic system, and generating a ciphertext in combination with the random key stream coefficient; transmitting the ciphertext to a decryption end, synchronizing the private key and the switching strategy at the decryption end, and restoring the plaintext; the restored plaintext is input into a state feedback controller, an anti-saturation control instruction is generated, and the state feedback controller comprises a nonlinear compensation function. According to the method, the measurement data of the aircraft is encrypted and decrypted by the chaotic system key stream, the length of the private key is expanded, and the security is improved.

A gaming device comprises an electronic display, a random number generator, a processor, and a memory storing (i) symbol data defining a first set of reel strips, and trigger symbols including a plurality of first trigger symbols and at least one second trigger symbol, and (ii) instructions. When the instructions are executed by the processor, they cause the processor to control the display to display a plurality of columns of symbol positions for which symbols will be selected in at least a base game, select from the first set of reel strips, using the random number generator, symbols for each of the symbol positions, upon the selected symbols including at least a defined number of trigger symbols, award a first feature game, upon the at least a defined number of trigger symbols including the second trigger symbol, additionally award a second feature game, and conduct each awarded feature game.

The invention relates to a one-code multi-service method and system in a medical scene, and the method comprises the steps: dynamic code generation: generating a visual dynamic code after security processing based on a user identity, a current medical scene code, a service intention, a timestamp and a random number; the dynamic codes are analyzed and verified, format verification, timeliness verification, anti-replay verification and digital signature verification are executed on the obtained dynamic codes, the dynamic codes are analyzed, and an analysis result is obtained; and performing service routing decision and execution, querying a predefined scene-service-authority rule according to the scene and user information in the dynamic coding analysis result, determining a target service of a user, calling a corresponding back-end medical service system interface to receive and perform service response, and finally returning a service result to the user terminal. According to the invention, the convenience, the integration level, the safety and the user experience of medical services can be improved, the operation and maintenance efficiency of the medical services is improved, and the collaborative cost of multiple medical systems is reduced.

The invention relates to Device for quantum generation of random numbers comprising a light source (100) with fixed polarization and a polarization splitting element (110) optically connected thereto, having a first output (111) corresponding to vertical polarization and a second output (112) corresponding to horizontal polarization, and a first detector (131) optically connected to the first output (111) of the polarization splitting element (110) and a second detector (132) optically connected to the second output (112) of the polarization splitting element (110), a generating module (140) having a first input (141) connected to the output of the first detector (131) and a second input (142) connected to the output of the second detector (132), and a two-state output (143), the generating module (140) configured to generate on the two-state output (143) bits having a value of 1 upon receiving a signal on the first input (141) and bits having a value of 0 upon receiving a signal on the second input (142), characterized in that the light source (100) is connected to the polarization splitting element (110) via a multi-state polarization modulator (150) controlled by a digital or analog signal generated by a control electronics (160) connected to the multi-state polarization modulator (150).The invention comprises also a method for verification of privacy of random bit sequences generated by means of such a device.

The invention provides a broadcast encryption and decryption method and device, a medium and equipment. The method comprises the following steps: generating a public parameter and s private keys; generating s public keys; generating a first random number r, performing r point multiplication operation on the base point to obtain coordinates of a first elliptic curve point, and converting the coordinates of the first elliptic curve point into a bit string type; performing r point multiplication operation on the public key of each message receiver to obtain coordinates of a second elliptic curve point, and converting the coordinates of the second elliptic curve point into a bit string type; performing Hash calculation on the bit string type coordinates of the second elliptic curve point to obtain a first Hash value; generating a second random number k, and generating a polynomial coefficient; encrypting a plaintext to be encrypted to obtain a ciphertext; and assembling a broadcast message, and broadcasting the broadcast message to a public channel, so that a message receiver with the session key correctly decrypts the monitored broadcast message. According to the invention, huge overhead caused by repeatedly executing public key encryption can be relieved.

The invention relates to the field of environmental monitoring, and discloses a system for collecting and preprocessing a volatile organic compound sample in water based on a headspace principle, which constructs a full-automatic physical execution chain through multi-thread interrupt control, PID closed-loop regulation and a mechanical arm state machine. Comprising the following steps: constructing a pre-packaged intelligent sample bottle, encrypting and storing a freeze-dried internal standard substance, a sealing parameter and a calibration curve in a UHF RFID tag, and eliminating the risk of manual intervention; on the basis of a multi-thread parallel control technology, constant-speed sampling, three-stage gradient filtering and environmental parameter binding are synchronously executed, and full-process automation of data acquisition is realized; a physical model is adopted to drive a state machine, balance time is dynamically calculated through a Henry constant, and nitrogen purging pressure closed-loop control is combined, so that the recovery rate of low-volatile substances is increased; a quantum random number generator and a topological data association technology are utilized to construct a structured data packet containing a timestamp, an environment parameter and a quantum check code, and it is ensured that data cannot be tampered.

The invention discloses a quantum random number generation device, a chip and a quantum random number generation method, and belongs to the technical field of random number generation. The device comprises: a light source for emitting a photon stream to an optical waveguide; the optical waveguide is used for attenuating the number of photons of the photon flow and outputting the photons to the photon detector; the photon detector is used for receiving the photons output by the optical waveguide, generating pulse signals based on the arrival time of the photons and sending the pulse signals to the data processing equipment; and the data processing equipment is used for generating the quantum random number according to the pulse signal. By utilizing the optical characteristics of the optical waveguide, the number of photons reaching the photon detector after the photon flow passes through the optical waveguide is reduced, compared with the mode of attenuating the number of photons through a free space optical path and optical element combination, the size of the optical waveguide is smaller, and the optical waveguide is more suitable for being integrated with a silicon chip; therefore, the occupied space of the quantum entropy source can be reduced, and the miniaturization and chip development of the quantum random number generator is promoted.

The invention relates to the field of information security and random number generation, and discloses a pseudo-random sequence generation system based on a four-dimensional hyperchaotic system, and the system comprises a chaotic signal generation module which is used for generating a chaotic state track composed of four state variables; the numerical solution module is used for carrying out multi-step numerical integral iteration on the state variable; the signal optimization module is used for performing cross recombination, disturbance arrangement and nonlinear quantization on the state variables; the control management module is used for controlling initialization, operation time sequence and state synchronization of each module; and the output interface module is used for outputting the pseudorandom sequence. According to the method, a four-dimensional hyper-chaotic system and a double positive Lyapunov index structure are adopted as a core dynamics basis, the technical effect of improving the unpredictability of the pseudo-random sequence and the trajectory complexity is achieved, and the potential safety hazards that the dynamic behavior is single, the dependence on initial conditions is too weak and the like are effectively overcome.

The invention relates to the technical field of medicine cold chain logistics information, in particular to a medical intravenous distribution code scanning logistics tracking method which comprises the following steps: attaching a self-energized label on the outer side of a preparation, reading magnetic tunnel junction physical fingerprints and nanocrystalline point-deoxyribonucleic acid information to generate a reference hash value, and collecting humiture recursion environment hash chains at fixed intervals; generating a challenge by using a satellite high-entropy random number during handover, obtaining a second fingerprint, constructing a zero-knowledge event proof in combination with a reference hash value and an environment chain, and writing a plurality of proof into a distributed account book after dynamic planning aggregation; and synchronously capturing wireless channel state information to construct a dynamic graph, and outputting a next node instruction and a risk score by a graph neural network and near-end strategy optimization. According to the method, battery-free anti-cloning and anti-tampering cold chain monitoring and network disconnection path decision are realized, the chain cost is low, and the robustness is high.

The invention relates to a bank-enterprise direct connection scene-oriented revocable security signcryption method, and belongs to the field of information security. According to the method, digital signature and encryption are deeply coupled in a single logic step, so that the calculation complexity is reduced, and the requirements of confidentiality, integrity and non-repudiation of information transmission in a financial scene are met; and meanwhile, a key updating mechanism is designed, so that access blocking of the history and the newly-added ciphertext after permission revocation is ensured. In order to solve a subversive attack possibly initiated by an internal opponent, a password reverse firewall architecture is introduced, an encrypted ciphertext is reconstructed through a re-randomization module, and algorithm risks possibly caused by tampering of a random number generator are blocked. A block chain intelligent contract and aggregation signature technology is further introduced, a fair and reliable decentralized verification platform supporting batch verification is constructed for bank and enterprise users, the cloud verification efficiency is improved, and responsibility tracing can be performed through records on the block chain when major property safety accidents occur.