301 results about "Quantum algorithm" patented technology

The invention relates to the technical field of computer networks, and discloses a computing power network real-time performance evaluation method based on an analytic hierarchy process, and the method comprises the steps: collecting a node operation state and task demand data through a sensor, and generating a local performance index in combination with an edge quantum algorithm; simulating a future network state by using digital twinning, and fusing to generate a multi-dimensional performance data set; the AHP weight is dynamically adjusted based on resource deviation and a geological classification model, high-frequency updating is started for high load / fault, and the weight range is expanded for low load; introducing a risk assessment algorithm to quantify a performance-cost-carbon effect conflict level, and triggering resource recovery, optimization prompt or single index suggestion; scheduling strategies are triggered in a grading mode according to evaluation results, and active intervention is started in combination with anomaly detection; the AHP weight is dynamically updated through reinforcement learning, and quantum-classical hybrid algorithm parameters and block chain verification weight are automatically optimized. The real-time response efficiency and the resource utilization rate of the computing power network can be improved.

The invention provides an anti-quantum national secret dual-mode cryptographic algorithm switching method and system based on dynamic scheduling, and relates to the technical field of dynamic scheduling, and the method comprises the steps: collecting the operation characteristics of a cryptographic communication session, and carrying out the analysis to obtain an evaluation result containing an attenuation inflection point and an algorithm failure time boundary; determining a candidate switching algorithm set from the heterogeneous algorithm pool according to an evaluation result, and calculating a resource overhead expected value and a safety gain expected value of each candidate algorithm; establishing a dual-mode collaborative switching decision mechanism, mapping resource overhead and security gain into a Pareto leading edge solution set in a reserved response interval before an algorithm failure time boundary, and determining a switching scheme by combining a semantic fragment boundary; algorithm switching is executed by inserting a control frame at a semantic fragment boundary, and iterative correction is carried out by utilizing scheduling execution feedback. According to the method, smooth switching between the national cryptographic algorithm and the anti-quantum algorithm is realized, the security and the resource efficiency are both considered, and the long-term security of the cryptographic system is ensured.

The invention discloses an equipment identity authentication and data encryption method and related equipment thereof, and the comprehensive effects of identity credibility, key security superposition and channel encryption capability enhancement are realized by introducing a mixed key system and a double digital signature mechanism into an equipment identity authentication and data encryption process. Meanwhile, a national cryptographic algorithm and a post-quantum algorithm are adopted, and the two cryptographic systems cooperate in parallel in an authentication and encryption link, so that the whole system has a robust anti-attack ability in both a traditional computing environment and a potential quantum computing environment, the accuracy of identity authentication is ensured by a dual signature mechanism, and the counterfeiting difficulty and tampering detection ability are remarkably improved. According to the method, the bidirectional verification chain is constructed in the authentication process, the safety is guaranteed by using the mixed key in the session stage, the safety robustness and the expandability of the system are improved through multi-layer protection, and the whole-process protection of the identity, the key and the data is realized, so that the safety robustness and the expandability of the system are integrally improved.

A quantum computing service provides a quantum algorithm development kit that enables a customer to define a quantum task, a quantum algorithm, or a quantum circuit using an intermediate representation. The quantum computing service is then configured to automatically translate the quantum task, quantum algorithm, or quantum circuit into a specific representation specific to a particular quantum computing technology selected by the customer to be used to execute the customer's quantum task, quantum algorithm, or quantum circuit.

The invention discloses a method for applying an anti-quantum certificate to a TLS1.2 handshake process, which realizes the application of an MLDSA anti-quantum signature algorithm and an MLKEM anti-quantum key encapsulation mechanism in the handshake process by expanding a cipher suite and a signature algorithm field of a TLS1.2 protocol. The method specifically comprises the following steps: defining a cipher suite supporting MLKEM and an MLDSA signature algorithm enumeration value; the client declares algorithm support in ClientHello, and the server responds and returns a certificate chain containing the double-antibody quantum certificate; after the client verifies the certificate, the pre-master key is encapsulated by using MLKEM, and the server de-encapsulates the derived session key; and the two parties send Finished messages to each other to complete handshake. According to the scheme, on the premise that a TLS1.2 basic framework is not changed, the communication security is enhanced through double-resistance quantum algorithm integration, international and national cryptographic algorithms are supported, quantum computing attacks can be resisted, meanwhile, adaptation of the international and national cryptographic algorithms is supported, compatibility with an existing system is ensured, the security risk of a traditional cryptographic algorithm in a quantum environment is solved, and the security risk of the traditional cryptographic algorithm in the quantum environment is reduced. And a standardized solution is provided for anti-quantum upgrade of the TLS1.2 protocol.

The embodiment of the invention discloses an intelligent traffic cooperative control optimization method, device and equipment based on quantum key distribution and digital twinning, and relates to the technical field of intelligent traffic. The method comprises the following steps: transmitting traffic data and spatial information through the quantum secure communication network, and constructing a traffic digital twin mapping model based on the traffic data and the spatial information; the traffic digital twin mapping model is configured to map to obtain a physical traffic system operation state corresponding to the traffic data and the spatial information; accessing the digital twin mapping model into a quantum computing environment, and generating a traffic control strategy based on the operation state of a physical traffic system by using a preset quantum algorithm; and transmitting the traffic control strategy to traffic equipment in a physical traffic system for execution, synchronously transmitting the traffic control strategy to a digital twin mapping model for simulation execution, and optimizing and adjusting the traffic control strategy according to a difference comparison result of a feedback actual execution result and a simulation execution result.

The invention relates to a satellite cabin load layout optimization method based on a quantum algorithm, and the method comprises the following steps: listing a mathematical expression form of an optimization target and a limiting condition according to a satellite cabin load layout requirement, and generating a constraint optimization problem model; wherein the optimization target and the limiting condition at least comprise a satellite quality characteristic requirement, a space geometric compatibility requirement, a thermal control requirement, an electromagnetic compatibility requirement, an installation and maintenance requirement and an installation position requirement of special instrument equipment; converting the layout constraint optimization problem mathematical model into an optimization objective function in a secondary unconstrained binary optimization form; solving the optimization objective function by using a quantum optimization algorithm to obtain an optimization vector; and calculating the load position and attitude of the satellite cabin by optimizing the vector, and carrying out inversion to obtain a final satellite cabin load layout scheme. According to the method, the non-deterministic polynomial problem of satellite cabin load layout optimization can be solved in an accelerated manner by utilizing the characteristics of superposition, entanglement, interference and the like of quantum bits, and a new technical approach is provided for improving the design efficiency of a satellite cabin load layout optimization scheme.

The invention relates to the technical field of traffic management and Internet of Things technology fusion, in particular to an Internet of Things-based intelligent parking space real-time monitoring and scheduling method and system, and the method comprises the steps: carrying out the denoising, time correction and block chain credible registration of multi-source sensor data, and forming traceable parking space and road load information. A three-dimensional digital twinning environment is generated by means of a neural radiation field, floors and sensors are subjected to hierarchical association through fractal hypergraphs, and floor capacity and cross-floor channels are recorded in a quantum approximation optimization algorithm. Under the guidance of the output scheduling strategy, the parking demand is dynamically received in combination with the Internet of Things platform, and if the floors are insufficient, queuing information is established, and distribution and queuing records are continuously updated in combination with real-time perception. And after the vehicle leaves, the actual occupation data and the departure data are compared for expectation, and the three-dimensional twin model and the quantum algorithm parameters are automatically corrected and written into the block chain. According to the invention, accurate scheduling is realized under multiple floors and multiple scenes, congestion is effectively reduced, and the parking turnover rate is improved.

The invention discloses an SM2 collaborative signature and encryption and decryption system and method fusing anti-quantum characteristics, and relates to the field of cryptography and information security. According to the method, an anti-quantum cryptographic algorithm and a national cryptographic SM2 cooperative computing framework are deeply integrated, and a key security system is constructed: SM2 sub-private keys, anti-quantum key pairs and public keys are acquired and generated through an anti-quantum algorithm software and hardware enhancement module, and the private keys are encrypted and stored and are regularly alternated; on the basis of anti-quantum collaborative signature, encryption and decryption modules, an anti-quantum verification mechanism is embedded, and data is transmitted in combination with a national secret TLCP protocol, so that signature, encryption and decryption operations are completed; the equipment integration and dynamic security control unit monitors a security state, calculates a threat index to generate a protection strategy, and dynamically switches a security mode, so that the problems of insufficient security, vulnerability to attacks and data tampering of a traditional SM2 algorithm under the threat of quantum computing are effectively solved; and the long-term anti-attack capability and the operation reliability of the equipment in a high-security demand scene are remarkably improved.

The embodiment of the invention discloses a digital certificate issuing method based on a post-quantum hybrid algorithm and a related device. A user terminal generates three pairs of public and private keys according to an asymmetric encryption algorithm, a post-quantum key signature algorithm and a post-quantum key encapsulation algorithm; generating a certificate signature request according to the mixed public key comprising the first public key and the second public key and the user identification information; the first public key and the third public key are sent to the CA terminal; the CA terminal generates a mixed secret key signature, a packaging certificate, a secret key packaging ciphertext and an encrypted mixed secret key packaging private key according to the two; the user terminal decrypts the secret key packaging ciphertext and the encrypted mixed secret key packaging private key according to the first private key and the third private key to obtain the mixed secret key packaging private key; according to the method, the mixed key signature and the packaging certificate are installed and are bound with the corresponding private key, so that signing and issuing of the mixed key signature and the packaging certificate can be realized, legal use of the certificate in an anti-quantum algorithm scene is ensured, and information security is improved.

A method for enhancing detection of fraudulent authentication data includes receiving, by an electronic device, data during an authentication transaction, computing a feature vector from the received data, and normalizing the feature vector. The method also includes encoding the normalized feature vector into qubits, expanding, using at least one quantum algorithm, the normalized feature vector into a high-dimensional space, and detecting in the high-dimensional space anomalies indicative of fraud based on the qubits. Furthermore, the method includes calculating, based on the detected anomalies, a confidence score reflecting a likelihood that the received data is genuine and comparing the confidence score against a threshold value. In response to determining the confidence score fails to satisfy the threshold value, the method determines that the received data requires secondary authentication.

A method for enhancing detection of morphed biometric modality data is provided that includes receiving, by an electronic device, biometric modality data of a person, extracting feature vectors from the biometric modality data, normalizing the feature vectors, encoding the normalized feature vectors into qubits, and expanding, using at least one quantum algorithm, the normalized feature vectors into a high-dimensional space. Moreover, the method includes generating a distribution from the high-dimensional space based on the qubits, calculating a deviation between the generated distribution and a corresponding record high-dimensionality feature vector distribution of the person, and comparing the calculated deviation against a threshold deviation value. In response to determining the deviation satisfies the threshold deviation value, the method determines the received biometric modality data was morphed.

The invention discloses a quantum algorithm code generation method and device, equipment and a storage medium. The method comprises the steps that first prompt information is obtained; at least inputting the first prompt information into a generation model, and generating quantum algorithm text description information by the generation model; the quantum algorithm text description information is used for describing candidate quantum circuits for realizing a target task; and inputting second prompt information obtained based on the quantum algorithm text description information into the generation model, and generating an executable quantum algorithm code by the generation model.

The invention provides an extensible encryption network protocol implementation method, a cryptographic algorithm negotiation method, a system, equipment and a medium, and relates to the technical field of information security. The method comprises the steps of obtaining an algorithm calling request of an application layer; calling a unified program interface of an algorithm compatibility layer according to the information of the cryptographic algorithm to be called; a unified program interface is adopted, and a query request of a to-be-called cryptographic algorithm is initiated to a providing program interface through a core program interface in the algorithm compatibility layer; a program interface is provided, and based on a query request of a to-be-called cryptographic algorithm, a calling method of the to-be-called cryptographic algorithm is queried from a preset cryptographic algorithm list; and calling the to-be-called cryptographic algorithm in the post-quantum cryptographic algorithm library in the extensible layer by providing a program interface. According to the method, the new cryptographic algorithm in the post-quantum cryptographic algorithm library is called, so that the expansibility of the cryptographic algorithm is improved, and the capability of resisting the attack of the quantum algorithm is also improved.

Techniques for optimizing distillation tile layouts for distillation tiles in a magic state factory of a quantum computer and a scheduling of distilled magic state production (e.g., using temporally encoded lattice surgery based (TELS-based) magic state distillation) using said distillation tiles are disclosed. Customized designs for distillation tile layouts that reduce space-time costs when executing a given quantum algorithm are presented, wherein the designs may be customized based, at least in part, on a selected classical error-correcting code and distillation circuit, on a decision whether to perform parallelized TELS-based magic state distillation, etc. Production of distilled magic states may then be configured using a round robin scheduling design in order to minimize potential time in which a processing core of the quantum computer is waiting for another newly distilled magic state from the magic state factory to use for logical computation related to the given quantum algorithm being executed.

The invention discloses a method for effectively simulating general quantum computing based on a classical circuit network, and relates to the technical field of quantum computing simulation, and the method comprises the following specific steps: converting data into a voltage signal through input voltage coding, constructing a single-bit gate and a two-bit gate by using an operational amplifier and an analog multiplier, and constructing a single-bit gate and a two-bit gate; according to the invention, the general quantum computation is simulated by a classical circuit network, an n-bit unitary matrix is decomposed and reconstructed by means of input voltage coding quantum state and voucher / two-bit gate modular design, and the high-efficiency simulation of general quantum computation is realized. Quantum gate linear transformation is reproduced, quantum calculation universality is achieved, voltage signals and data are converted through a reflection formula, signal distortion is avoided, multi-level gate circuit cascading is supported, and a flexible and stable platform is provided for quantum algorithm verification and the like.

The present invention relates to the technical field of communications. Disclosed is a two-party quantum secret magnitude comparison method based on a two-level bell state. The present invention comprises the following steps: step I: protocol participants Alice and Bob respectively possessing their own secret values SA and SB, and Alice and Bob sharing a secure n-bit key KAB=KAB1KAB2KKABn by means of QKD; and step II: Alice and Bob sharing a collision-resistant hash function Hash(.) that is resistant to quantum algorithms, and with the assistance of a semi-trusted third party (TP), Alice and Bob completing the comparison between the magnitudes of the secret values of the two. By means of the present invention, an equality relationship and magnitude relationship between the secret values of the two participants, i.e. Alice and Bob, can be effectively determined; a quantum state prepared by the TP is a two-particle maximally entangled Bell state; and by means of the first eavesdropping detection, the absence of eavesdroppers and the honesty of the TP are verified.

The invention discloses a data encryption and access control device for an intelligent fire-fighting internet of things system in the technical field of data protection. The data encryption and access control device comprises a dynamic encryption engine, a multi-mode access control module and a safety coprocessor. The dynamic encryption engine adaptively selects an SM4-GCM and SM9-Kyber hybrid encryption algorithm based on the data sensitivity level and the equipment type, so that the transmission encryption delay is less than or equal to 0.9 ms; the multi-mode access control module supports dynamic permission upgrading and tamper-proof evidence storage in a fire emergency scene through a three-layer architecture of RBAC + ABAC + block chain auditing; the security coprocessor adopts an FPGA hardware acceleration SM4 algorithm, and the energy efficiency ratio reaches 15Gbps / W. Anti-quantum security: the post-quantum algorithm Kyber-768 passes through the third round of authentication of NIST, and the key negotiation efficiency is improved by 3 times compared with that of the traditional ECDH (test data: the negotiation time consumption of 100,000 times is reduced from 18 seconds to 5.7 seconds). Technical optimization of the device comprises fine-grained access control innovation, a multi-modal strategy engine, block chain auditing and tracing, hardware acceleration efficiency optimization and distributed key management.

Data compression with quantum-resistant intrusion detection, that measures in real-time the probability distribution of an encoded data stream and analyzes entropy characteristics across multiple bit-scale windows to detect both classical and quantum-generated intrusions. The system compares the probability distribution to a reference probability distribution and uses statistical algorithms to determine divergence between distributions while simultaneously analyzing entropy cascade patterns characteristic of quantum computing sources. When divergence exceeds configured thresholds or quantum-generated characteristics are detected, the system generates intrusion alerts identifying the threat type. The system comprises encoding and decoding machines, an intrusion detection engine that performs multi-scale entropy analysis, a codebook training engine that creates quantum-resistant codebooks using entropy-stratified training algorithms, and databases including a quantum signature database storing compression patterns of known quantum algorithms. The codebook training engine adaptively retrains encoding algorithms upon detecting new quantum patterns, maintaining system effectiveness against evolving quantum threats.

The invention relates to the technical field of power system energy storage optimization, and discloses a terminal micro-grid energy storage optimization configuration method and system and a computer readable storage medium. Comprising the steps of generating load demand probability distribution and a new energy output confidence interval through deep learning and Bayesian probability modeling based on historical load and new energy monitoring data, extracting boundary parameters and mapping the boundary parameters into a quantum state initial solution set, and generating a quantum coding instruction set; a quantum algorithm population is initialized, a non-dominated solution set sequence is generated through quantum gate evolution operation, and a Pareto leading edge output optimization configuration scheme is screened; verifying feasibility in combination with local voltage data, and generating an executable control instruction set after fine tuning of capacity-position weight; and driving the energy storage unit to execute charging and discharging operation, collecting operation data, updating model parameters, finally separating probability weights and quantum deviations, adjusting a Bayesian model and resetting quantum gate parameters to generate a calibration instruction set. According to the invention, the energy storage configuration efficiency and precision can be obviously improved.

The invention discloses a self-adaptive switching system and method for power supply and distribution, and relates to the technical field of smart power grids, and the method comprises the steps: loading a quantum algorithm library and power grid operation data to a quantum calculation platform, carrying out the parallel processing of the power grid operation data through a quantum algorithm, analyzing the abnormal condition in a current power grid, and obtaining a switching result according to the analysis result. According to the method, the optimal power supply path and the switching strategy from the power generation equipment to the load point are optimized, the optimal solution can be quickly found when a large-scale complex power grid is processed through the quantum algorithm, and the optimal power supply path and the switching strategy are obtained. The transmission loss of a power transmission line and power generation equipment is effectively reduced, and the power supply efficiency of a power grid is improved. In addition, by introducing a time attenuation factor and a priority weight, a switching strategy is further optimized, and efficient operation of a power grid and reasonable distribution of loads are ensured.

The invention relates to the field of data storage and security, and discloses a distributed video storage and multi-level verification system and method based on a block chain to realize a safe, efficient, decentralized and traceable video data storage scheme. According to the method, a storage strategy is dynamically adjusted according to a video coding format, video data are fragmented, the fragmented video is encrypted through an anti-quantum algorithm, key separation and zero-knowledge verification are used to guarantee the security of the data, then the video data are stored to a plurality of edge nodes in a distributed manner, and index data of the video data are stored on a block chain. Stored video fragments are checked regularly through an on-chain and off-chain cooperative check mechanism, when a user requests to access the video, after the permission of the user is verified based on the smart contract of the block chain, the video fragments and decryption keys are acquired from corresponding edge storage nodes according to index data of the video, and the video fragments are decrypted. And after decrypting the video fragments by using the decryption key, splicing the video fragments into an original video.

The invention discloses a distributed photovoltaic power station fault analysis method based on a quantum K-Means algorithm model, and the method comprises the steps: collecting and processing the operation data information of a photovoltaic power station through a data collection module, and introducing a block chain technology to improve the safety of the data information; according to the method, fault features are extracted through a recurrent neural network deep learning model, feature data extracted by a recurrent neural network are encoded into quantum states through quantum calculation, and the encoded quantum states are clustered by using a quantum K-Means algorithm, so that the clustering process can be significantly accelerated, the calculation efficiency of fault analysis can be improved, and real-time fault analysis can be realized; the running data of the photovoltaic power station are deeply analyzed through the quantum K-Means algorithm model, and the potential fault trend and risk can be predicted.

A conditional independence test method according to the present disclosure is performed with respect to two variables to be subjected to a test of independence and a plurality of variables serving as conditions, wherein a quantum algorithm is used to estimate a conditional statistic.

The embodiment of the invention discloses a method and device for obtaining the maximum power cross section, electronic equipment and a storage medium. The method comprises the following steps: constructing a weighted graph corresponding to the power distributed energy system; constructing a quantum algorithm line according to the weighted graph; obtaining a target parameter vector corresponding to the quantum algorithm line, and substituting the target parameter vector into the quantum algorithm line to obtain an output result of the quantum algorithm line; and obtaining the maximum power cross section of the power distributed energy system based on the output result. Thus, compared with a traditional maximum power cross section solving method, the efficiency of calculating the maximum power cross section of a large-scale and complex electric power system is low, the maximum power cross section can be calculated in the quantum system, the calculation requirement of the large-scale and complex electric power system can be met, and the efficiency of solving the maximum power cross section is improved.

The invention provides an SIP (Session Initiation Protocol) authentication method based on a post quantum and national secret mixed signature algorithm, which is applied to an SIP client, and comprises the following steps: sending a first registration message to an SIP server, the first registration message comprising a target authentication control parameter, so that the SIP server generates a first reply message according to the target authentication control parameter; receiving a first reply message; obtaining a first mixed signature certificate of the SIP client according to the first reply message, generating a first random number, and performing mixed signature on the first random number to generate a first signature value; sending a second registration message to the SIP server, so that the SIP server verifies the first mixed signature certificate by adopting a pre-stored root certificate of the SIP client, and verifies the first signature value; and receiving second reply information, and indicating whether the SIP client is successfully verified or not. By integrating a post-quantum algorithm, SIP authentication has the characteristic of quantum attack resistance.

The invention provides a private key full-life-cycle security management system and method based on a mobile terminal anti-quantum cryptography algorithm. The method comprises the following steps: generating a key pair based on the anti-quantum cryptography algorithm; acquiring a certificate containing a public key in the key pair; calling a mobile terminal key management system to generate a symmetric encryption key, encrypting a private key in the key pair by using the symmetric encryption key, storing the encrypted private key into a sandbox, and storing a certificate into the sandbox; extracting a private key and a certificate in the encrypted key pair from the sandbox, calling the hardware-level key management system, and decrypting the private key by using the symmetric encryption key to obtain a decrypted private key; calling an interface matched with the purpose of the private key through a preset anti-quantum algorithm library, and executing signature, signature verification or key exchange operation by using the decrypted private key; and after the operation is completed, clearing the memory area for storing the private key plaintext. According to the method, the life cycle of the anti-quantum private key can be safely managed on the premise of not depending on the native support of a mobile system.

A method for a quantum computer is presented. The method comprises receiving a target matrix comprising only real eigenvalues and block encoding the target matrix. A polynomial approximation is precomputed for a function to be applied to the target matrix. Coefficients are selected for a generating function that match the precomputed polynomial approximation. A polynomial history state is generated, the polynomial history state comprising a superposition of polynomials onto the block encoded target matrix by at least mapping the generating function to a quantum algorithm.

Robust systems and methods are disclosed for fake account detection on digital platforms, integrating provenance analysis to scrutinize data origins, ownership, and history, thereby unveiling potential sources of fraudulent activities. They leverage dynamic feature generation, using advanced algorithms to assess user behaviors and interactions, ensuring the model stays attuned to the evolving landscape of cyber threats. Incorporating Quantum-assisted optimization, the method employs Quantum algorithms to expedite feature selection, enhancing detection efficiency. Quantum simulation further refines this process, creating sophisticated verification patterns and analytical techniques to distinguish genuine from fake accounts with higher accuracy. A comprehensive analysis amalgamates provenance data, telemetry, and dynamic features, forming a holistic detection approach. This system optimizes features through Quantum simulation, tailoring them to specific business environments, and deploys them via AI-ML DevOps, streamlining orchestration across various operational settings.

The embodiment of the invention provides a secure communication network system and method based on a quantum key, and the system comprises a quantum key distribution module which is used for building and updating a symmetric key between communication nodes through a quantum key distribution protocol; the quantum encryption communication module is used for encrypting and decrypting communication data by using the symmetric key; the quantum algorithm acceleration module is used for deploying a quantum algorithm in machine learning and optimization calculation tasks to realize calculation acceleration; the hybrid computing scheduling module is used for coordinating task allocation and resource scheduling between the classical computing resources and the quantum computing resources; and the block chain verification module is used for recording life cycles of key distribution, communication sessions and calculation tasks and ensuring non-tampering and traceability of the data. A key distribution and encryption communication basis of an information theory security level is constructed, and long-term data confidentiality is provided for a network. And the complex service processing capability and efficiency of the whole network system are obviously improved.