211 results about "Quantum algorithm" patented technology

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 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 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.

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.

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.

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 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.

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.

The invention relates to the technical field of information security, in particular to a fire-fighting Internet of Things equipment authentication method supporting an anti-quantum algorithm, comprising the following steps: before fire-fighting Internet of Things equipment and an Internet of Things platform server are started through Internet of Things MQTT communication connection, the fire-fighting Internet of Things equipment initiates a first TLS handshake packet to the Internet of Things platform server, the fire-fighting internet-of-things equipment receives a server digital certificate returned by the internet-of-things platform server, verifies the validity of the server digital certificate, and sends an equipment certificate to the internet-of-things platform server after the verification is passed, so that the internet-of-things platform server generates a random session key ciphertext by using a public key in the equipment certificate, and sends the random session key ciphertext to the fire-fighting internet-of-things equipment; the fire-fighting internet-of-things equipment unpacks the random session key ciphertext by using a private key to obtain a shared session key K; and the fire-fighting Internet of Things equipment establishes a security encryption communication channel with the Internet of Things platform server based on the shared session key K, and executes MQTT message transmission in the communication channel.

The invention discloses a TLS1.3 protocol security enhancement method and system based on a homologous cryptographic algorithm, and the method comprises the steps: 1), certificate generation: signing and issuing a certificate through an SQISign signature algorithm, and guaranteeing the verification and use of a post-quantum security signature algorithm through the certificate; and 2) protocol design: the client and the server complete identity verification through certificate verification based on an SQISign signature algorithm in a handshake stage of a TLS 1.3 protocol. And the server uses a FleS public key encryption algorithm to carry out key encapsulation and send the key encapsulation to the client, completes key exchange and establishes secure encryption connection with the client. The step 1) and the step 2) comprise compatibility design, and a homology-based post-quantum algorithm and a traditional cryptographic algorithm are allowed to coexist, so that the compatibility of an existing system is ensured. Through the method provided by the invention, the TLS 1.3 protocol can effectively resist security threats brought by quantum computing, the security of network communication in the quantum era is ensured, and meanwhile, the smooth transition of the existing system is ensured.

The invention relates to the field of information security, and discloses a cross-domain quantum key charging method and system.The method comprises the steps that a first key charging site responds to a first service terminal request, analyzes a target terminal identifier and reports step by step when cross-domain judgment is conducted; the cross-domain key charging management center generates a cross-domain master key based on a quantum true random number according to the target attribution, and distributes the cross-domain master key to a source domain key charging service center and a target domain key charging service center through a quantum secure channel; the service centers of the two parties negotiate a derived session key by using the shared master key and issue the derived session key; and after receiving the session key, the site generates a service key in combination with the service context and charges the service key to the terminal. The system also integrates a dynamic request triggering mechanism based on consumption rate, a hybrid encryption channel mechanism and a storage unit physical overwriting destruction mechanism. According to the method, a hierarchical cascade architecture is adopted, and a quantum entropy source and a post-quantum algorithm are combined, so that the problem of trust transfer between heterogeneous domains is solved, and quantum computing attack-resistant key full-life-cycle safe closed-loop management is realized.

The invention discloses an anti-quantum increment digital certificate implementation method. The method comprises the following steps: generating a certificate request; generating a digital certificate according to the certificate request, and signing the digital certificate by using a traditional algorithm public key; when the anti-quantum encryption needs to be transited to, an increment extension request is generated; generating an anti-quantum algorithm public key and an anti-quantum algorithm signature according to the incremental extension request; and querying and obtaining a corresponding digital certificate from a certificate database, and adding the anti-quantum algorithm public key and the anti-quantum algorithm signature into an incremental extension item of the obtained digital certificate. The invention further discloses a device for implementing the quantum increment resisting digital certificate implementation method, computer equipment and a storage medium. According to the invention, the problems of poor compatibility, large storage overhead, slow performance and high migration cost in the prior art are solved.

The invention discloses a fire prevention and extinguishment monitoring and positioning system in a coal mine tunnel, and relates to the field of fire prevention and extinguishment monitoring and positioning, the fire prevention and extinguishment monitoring and positioning system comprises a deployment module, a purification module, a prediction module, a route optimization module and a positioning module, a sensor range is determined through a transient thermal shock experiment, and a tunnel two-dimensional point cloud is obtained through three-dimensional laser scanning; constructing a topological potential field to deploy a main node, balancing coverage and energy consumption through a quantum algorithm, obtaining a final sensor deployment scheme, collecting original sensor data flow data, performing chaotic modulation and optimization, obtaining chaotic spectrum time domain purification data, calculating information entropy of each node, and establishing a game utility function to optimize a routing strategy. The method comprises the following steps: obtaining an energy-data co-occurrence strategy routing table, constructing a three-dimensional tensor, extracting spatial-temporal characteristics, obtaining a data-object modified and optimized fire probability value through model training and probability correction, triggering a positioning algorithm signal, constructing an implicit fire source field, and obtaining verified real fire source coordinates through multi-agent and positioning topology analysis, so that the positioning accuracy is improved.

A system and method for estimating values of an operator, such as energy levels of a Hamiltonian, is disclosed. The estimation is performed in a way such that the runtime of performing the estimation is independent of a complexity of the operator, e.g., a number of terms in the Hamiltonian. Also, errors can be statistically suppressed by performing additional sampling, due to a lack of biased error in the estimator. Additionally, samples may be tested using only a single ancilla qubit.

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 invention relates to a method for estimating a lifetime curve of at least one technical component, in particular a vehicle assembly or a vehicle component, comprising the following method steps: - Generating design data (350) for at least one technical component with a multitude of parameters and / or settings and / or properties of the technical component, - Transforming the design data (350) into a quantum state (450) by a quantum processor (430), wherein the quantum state (450) comprises each parameter, each parameter value, each property, each property value, each setting and each setting value of the engineering component as a single state (455); - Applying at least one quantum algorithm (470) to the quantum state (450), wherein the quantum algorithm (470) includes at least one quantum amplitude estimation; - Determining relevant states (490) from measurements of the quantum state (450), - Performing simulations with the relevant states (490) to model simulation results (570); - Analyzing the simulation results (570) and calculating a lifetime curve (580) for the technical component; - Output of the lifetime curve (580) as output data (750) for use in adapting the technical component.

The invention discloses a method for improving electric energy metering precision in an electromagnetic harmonic environment, relates to the technical field of electric energy metering, and solves the problem of improving the electric energy metering precision in the electromagnetic harmonic environment. The method comprises the following steps: step 1, an electric energy metering device collects a power grid signal through a voltage sensor and a current sensor; 2, a harmonic wave sensing module collects a power grid electromagnetic field signal in real time; step 3, the quantum compensation unit changes the Bell curvature to be larger than or equal to 0.5 by regulating and controlling a vertical magnetic field, surface state transmission of harmonic current and physical isolation of fundamental current penetrating through a body material are achieved, and the harmonic isolation degree is larger than or equal to 60 dB; 4, the signal processing module adopts a fractional order tensor Fourier decomposition algorithm; and step 5, adopting a Monte Carlo dot quantum algorithm by a dynamic check unit. According to the invention, the electric energy metering precision in the electromagnetic harmonic environment is greatly improved.

A method (100) for a quantum computer (300) is presented. The method (100) comprises receiving (110) a target matrix (338) comprising only real eigenvalues and block encoding the target matrix (338). A polynomial approximation is precomputed (130) for a function to be applied to the target matrix (338). Coefficients are selected (140) for a generating function that match the precomputed polynomial approximation. A polynomial history state (356) is generated (150), the polynomial history state (356) comprising a superposition of polynomials onto the block encoded target matrix by at least mapping the generating function to a quantum algorithm.

The invention provides a flow field evolution method and device based on quantum calculation and vortex characterization, and the method comprises the steps: defining a complex scalar field, constructing a Hermi matrix based on an initial velocity field, and converting a vortex thread positioning problem into a quantum ground state solving problem; solving the minimum characteristic value of the matrix through a quantum algorithm, and outputting an initial vortex quantum state; according to a fluid dynamic control equation, constructing Hamiltonian through discretization processing; constructing a Hamiltonian quantum circuit, and driving the initial vortex quantum state to evolve to a target quantum state; and measuring the evolved quantum state, obtaining a discrete numerical value of the complex scalar field on the central point of the grid unit, positioning a zero equivalence point through a discrete winding number and interpolation, and reconstructing a vortex thread structure after flow field evolution. According to the method, the parallel computing advantage of quantum computing in high-dimensional data processing is fully exerted, the computing efficiency of flow field simulation is remarkably improved, the data processing speed is increased, and meanwhile the high requirement for storage resources is effectively relieved.

The present disclosure provides a network registration method, device and related equipment, which relates to the technical field of communication. The method comprises: sending a network registration request to a home network, wherein the network registration request carries a user hidden identification code, the user hidden identification code includes a protection scheme identifier, a home network public key identifier and a protection scheme output, the protection scheme output includes an elliptic curve cryptography public key of the user, a post-quantum ciphertext, a user identification code ciphertext and a message authentication code; receiving the network registration response returned by the home network. Through the above technical means, the problem that the quantum algorithm affects the user network registration in the prior art, resulting in that the security of the user network registration cannot be guaranteed, is solved.

The invention discloses a hardware system for calculating an SLHDSA binary tree, an SLHDSA binary tree calculation method, a storage medium and equipment, and belongs to the field of post-quantum algorithms. A binary tree controller; a plurality of first memory cells; the plurality of second storage units are used for calculating a root node value of a four-layer binary tree at the bottom of the eight-layer binary tree through a plurality of hash modules for each of all the eight-layer binary trees at the bottom of the SLHDSA binary tree; writing a root node value of the four-layer binary tree into a plurality of first storage units through a binary tree controller; calculating the root node value of the eight-layer binary tree by using the root node values read from the plurality of first storage units through a hash module; writing a root node value of the eight-layer binary tree into a plurality of second storage units through a binary tree controller; and calculating a root node value of the SLHDSA binary tree by utilizing the root node values read from the plurality of second storage units through a hash module. According to the method, the calculation efficiency of the high-level binary tree is improved, and the consumption of storage resources is reduced.