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SYSTEMS AND METHODS FOR FACILITATING QUANTUM-RESISTANT ENCRYPTION OF DATA

Resumen de: US20260342552A1

According to an embodiment, a method includes receiving and providing quantum information as input to a quantum logic gate to produce superpositioned information having a plurality of modal states associated with a modal space. Starting with the superpositioned information, a plurality of modal paths associated with the modal space is produced by recursively filtering, for a predefined number of iterations, the superpositioned information based on a coherence behavior to produce intermediate filtered information that is used as input for a next iteration from the predefined number of iterations. Decoherence dynamics is modelled across the predefined number of iterations of the recursive filtering to determine a stability metric for each modal path from the plurality of modal paths. A modal path is selected from the plurality of modal paths based on the stability metric for that modal path, the modal path representing an encryption key.

METHOD FOR UPDATING PRE-SHARED KEY IN QUANTUM DIRECT COMMUNICATION TECHNIQUE COMPRISING USER AUTHENTICATION, AND DEVICE THEREFOR

Resumen de: US20260342551A1

The present disclosure provides a method and a procedure for updating a pre-shared key from a QBER checking sequence used for QBER estimation, the pre-shared key being used in a process of performing user authentication by a transmitting/receiving end in a quantum direct communication system. More particularly, the method comprises the steps of: transmitting quantum information encoded in a quantum state to a receiving end; performing user authentication on the basis of a pre-shared authentication key with the receiving end; transmitting, to the receiving end, position information regarding the position of information for quantum bit error rate (QBER) estimation inside the transmitted quantum information; receiving, from the receiving end, information obtained by encrypting a value on the basis of the pre-shared key, the value being obtained by the receiving end through measurement of the information for QBER estimation on the basis of the position information; performing the QBER estimation on the basis of a value obtained by the transmitting end by decrypting information encrypted on the basis of the pre-shared key, on the basis of the pre-shared key; and updating the pre-shared key to the information for QBER estimation, which has been used for the QBER estimation, on the basis of (i) the user authentication result and (ii) the QBER estimation result.

KEY DETERMINATION METHOD, APPARATUS, SYSTEM, AND STORAGE MEDIUM

Resumen de: EP4832533A1

Embodiments of the present disclosure provide a method for determining a key, a communication apparatus, a system, and a storage medium. In this method, the communication apparatus extracts channel randomness information from an estimated channel matrix. Then, the communication apparatus quantizes the channel randomness information, where the quantized channel randomness information belongs to a quotient group of a discrete integer field. Then, the communication apparatus determines a physical layer key based on the quantized channel randomness information. In this way, in embodiments of the present disclosure, when generating a key, the communication apparatus may not need to obtain the empirical distribution of an estimated channel or the related information, thereby reducing computing overhead and processing latency. In addition, the generated key has high quality as it can meet uniform distribution requirements.

METHOD, COMPUTER PROGRAM, APPARATUS, USER EQUIPMENT, NETWORK NODE

Resumen de: EP4832411A1

0001 Provided is a method for data encryption. The method includes receiving, from a quantum random number generator, a random number. The method further includes generating a secure computing environment based on the random number. The method further includes storing the random number in a hardware security primitive.

ARTIFICIAL INTELLIGENCE-BASED DYNAMIC ADAPTATION IN QUANTUM KEY DISTRIBUTION WITHIN TELECOMMUNICATION NETWORKS

Resumen de: EP4832410A1

A computer-implemented method for performing quantum key distribution, QKD, in a telecommunication network between a first communication device and a second communication device, the method comprising:(a) measuring or monitoring, by a monitoring entity, quantum link values of a QKD process carried out with a first set of QKD operational parameters;(b) detecting, by an analytics entity, based on the monitored quantum link values, one or more operational conditions selected from: a condition, in particular a degradation, of the quantum link, a threat to the QKD, or a mobility event affecting a QKD communication party;(c) providing, in response to the detected at least one operational condition, at least a subset of the monitored quantum link values to a dynamic-adaptation-module, a threat-detection-module, a rerouting-module, or a hierarchical-control-module one or all of the modules are implemented within an adaptive-QKD node;(d) determining, by one or more of the modules, a second set of QKD operational parameters based on a one or more machine learning models trained on quantum link data and at least a subset of the quantum link values as input;(e) applying, by an operational module configured to interface with QKD hardware, the second set of QKD operational parameters to adjust the QKD process,wherein the second set of QKD operational parameters enables QKD to be maintained or improved.

熵的安全分布

Resumen de: WO2022182371A1

Techniques are disclosed for securely distributing entropy in a distributed environment. The entropy that is distributed may be quantum entropy that is generated by a quantum entropy generator or source. The true random entropy generated by a trusted entropy generator can be communicated securely among computer systems or hosts using secure communication channels that are set up using a portion of the entropy. The distribution techniques enable computer systems and hosts, which would otherwise not have access to such entropy generated by the trusted entropy source, to have access to the entropy.

INFORMATION THEORY GENOMICS-ENABLED HYPER-SCALABILITY

Resumen de: AU2026238175A1

Abstract An ecosystem security platform implemented by a processing system of a computing device enables secure communications within a digital ecosystem. The platform includes a root module that stores device-specific digital objects comprising an eligibility object, a correlation object, and a differentiation object, and selectively modifies the objects using cipher-based, cipherless, or hybrid computational functions. A link module receives a link message from another computing device and decodes encoded instructions using the eligibility object and a modified correlation object. A sequence mapping module extracts a data sequence from a message header portion and processes the sequence using a modified differentiation object to generate a non-repeating transformation vector. A binary transformation module transforms a message payload using the transformation vector, including by XOR operations and/or symmetric encryption, and generates a structured output object containing the transformed payload and original header portion for transmission. The platform thereby provides differentiated, dynamically adaptable, and secure device-to-device communications within the ecosystem. Abstract Organic Ecosystems Cyphergenics Digital Ecosystems Modern Digital Ecosystems (Basis: Biological Genomic Constructions) (Basis: Computationally Complex Genomic Constructions) (Basis: Computationally Complex Functions) Bio-Chemical Enabled (264) Information-Theory Genomics(Cyphergenics) Enabled (2

SELECTABLE ENCRYPTION FOR 5G OPEN RADIO ACCESS NETWORK

Resumen de: US20260332402A1

0000 Techniques for encrypting data within a communication network include receiving, at a first module, data packets encrypted using mathematical encryption. A machine-learning model trained to detect cybersecurity threats analyzes the data packets to determine the existence of a cybersecurity threat. In response to determining a threat, encryption is switched from mathematical encryption to quantum encryption. The data packets are encrypted using a quantum encryption key to generate quantum-encrypted data packets. The quantum encryption key is transmitted from the first module to a second module over a quantum key distribution (QKD) channel, and the quantum-encrypted data packets are transmitted from the first module to the second module.

METHODS AND SYSTEMS OF USING QUANTUM KEY DISTRIBUTION FOR SECURE USER AND DATA AUTHENTICATION

Resumen de: US20260332398A1

A system and a method for quantum-capable secure user and data authentication are provided. The system includes first and second communication devices and first and second key distribution modules. The first key distribution module is communicatively coupled to the first communication device for secure access thereto and the second key distribution module is communicatively coupled to the second communication device for secure access thereto. The first communication device and the second communication device enable quantum-safe messaging therebetween by lightweight post-quantum cryptographic communication between the first key distribution module and the second key distribution module. Also, the first communication device and the second communication device have established a pre-agreed secret password. In addition, the lightweight post-quantum cryptographic communication includes the first key distribution module and the second key distribution module establishing a shared random therebetween.

SYSTEM FOR SECURITY ORCHESTRATION IN COMMUNICATION NETWORKS

Resumen de: WO2026221522A1

A computer-implemented system (100) for a communications network. The system comprises a security orchestration function (101). The security orchestration function is configured to manage a plurality of security proxy functions (102). The security orchestration function is further configured to interoperate with a network management function and a network security management function. The system comprises the plurality of security proxy functions. The security proxy functions host security capabilities on behalf of network services and/or applications. The system further comprises a service exposure API (103), the service exposure API configured to abstract network capabilities between the security orchestration function and network data consumers.

System and method to perform dynamic quantum-based distribution and encryption of keys in a network

Resumen de: US20260332399A1

A system comprises at least two devices equipped with one or more quantum processors. The system may be configured to coordinate operations between the one or more quantum processors to establish, control, and/or monitor encryption keys in a network. The encryption keys are concealed through multiple encryption layers as the encryption keys are shared between one or more nodes, devices, and/or network components. The system is configured to develop one or more protocols that may be used to maintain and/or control security of shared encryption keys in the network.

Method to encrypt data by reversing light waves using prisms through an Optical Phase Conjugation (OPC) system combined with Spatial Light Modulators (SLMs) and an Orbital Angular Momentum (OAM) combined with a Rotating 3D Hyper-Prism system to move away from static linear optical paths.

Resumen de: US20260332401A1

The invention relates to the field of data encryption, computer security, and digital communication. To improve data security, the method encrypts data by reversing light waves using prisms through an Optical Phase Conjugation (OPC) System combined with Spatial Light Modulators (SLMs) and an Orbital Angular Momentum (OAM) combined with a Rotating 3D Hyper-Prism System to move away from Static Linear Optical Paths.

SYSTEMS AND METHODS FOR SECURING DATA BY DETECTING AND PREVENTING REAL-TIME DATA LEAKAGES IN CLOUD ENVIRONMENTS

Resumen de: US20260332620A1

Systems, computer program products, and methods are described herein for securing data by detecting and preventing real-time data leakages in cloud environments. The present disclosure is configured to identify at least one data source; collect, by at least one virtual component, data from the data source(s), wherein the data comprises current user data; monitor, by the at least one virtual component, the data from the data source(s); generate, in an instance after the monitoring of the data, encrypted data by applying an encryption layer to the data; apply the encrypted data to an anomaly detection layer; determine, by the ML model, an anomaly indicator based on whether an anomaly is present in the data based on the current user data; determine, by the AI engine, a prediction for the data; and log, in a distributed ledger, the current user data and the anomaly indicator.

SYSTEM AND METHOD FOR DEVICE-BASED VERIFICATION OF CALLER IDENTITY USING A SEPARATE VERIFICATION DATA CHANNEL

Resumen de: US20260332699A1

A system and method verify an identity associated with a voice call. A caller computing device generates a per-call challenge associated with a particular instance of the voice call and produces a digital signature over the per-call challenge using a device-bound private signing key associated with the caller computing device. The caller computing device initiates a voice call to a recipient computing device over a voice transport channel and transmits a verification payload to the recipient computing device over a verification data channel separate from the voice transport channel. The verification payload includes the per-call challenge and the digital signature. The recipient computing device obtains a public verification key associated with the identity of a caller and verifies the digital signature using the public verification key to generate a verification result locally at the recipient computing device.

Underwater Computing System with Wireless Energy Transfer, Hybrid Multi-Layered Communication Architecture, and AI-Driven Autonomous Control

Resumen de: US20260329354A1

An underwater computing system comprises one or more sealed computing modules configured to operate submerged in a body of water. Each sealed computing module includes a pressure-resistant hull enclosing computing hardware. A wireless energy transfer system delivers electrical energy from an energy generation facility to the sealed computing modules without physical power cables. A buoyancy control system adjusts module depth within the water. A thermal regulation subsystem transfers heat to the surrounding water. A hybrid communication architecture couples the modules to a surface communication hub via a plurality of distinct channels including fiber-optic, power-line, quantum, acoustic, and optical communication. An AI control unit autonomously manages power distribution, thermal regulation, buoyancy adjustment, and workload distribution in real time based on environmental sensor data. A secure closed-loop mode gate selectively restricts communications to authenticated control instructions and health telemetry.

SYSTEMS AND METHODS FOR ENTANGLEMENT-CASCADED QUANTUM KEY DISTRIBUTION (QKD)

Resumen de: US20260332400A1

0000 Systems and methods for entanglement-cascaded quantum key distribution are disclosed. The processor determines set of communication parameters to be transmitted between quantum transmitter and quantum receiver. The processor generates entangled pair of qubits including first set of qubits and second set of qubits. The processor performs first quantum operation associated with first secret key on second qubits of first set of qubits and second set of qubits. The processor swaps second qubit of quantum transmitter with second qubit of receiver. The processor generates entangled qubit pairs by performing quantum entanglement operation on first qubit of quantum transmitter and second qubit of quantum receiver. The processor determines quantum measurement operation to be applied to entangled qubit pairs. The processor performs second quantum operation and generates measurement result for each of entangled qubit pairs. The processor transmits generated shared classical secret key from quantum transmitter to quantum receiver over secure communication channel.

SYSTEMS AND METHODS FOR QUANTUM ENHANCED MULTI-FACTOR AUTHENTICATION

Resumen de: WO2026221726A2

Disclosed herein are system, method, and computer program product embodiments for an improvement multi-factor authentication system for preventing against fraud, hacks, and other bad actors. A quantum key pair is obtained, and used to dual-encrypt a secret. The dual-encrypted secret is provided to a requesting user device, which is capable of decrypting one layer of the dual-encrypted secret. The user device provides the result to the authentication server, which then further decrypts the second layer of encryption. The result is then compared to the original secret, with a match between the original secret and the decrypted secret resulting in successful authentication.

IMPROVED RECEIVER FOR DISCRETE-VARIABLE QKD AND QKD SYSTEM COMPRISING THE SAME

Resumen de: EP4827040A1

The present invention relates to a quantum key distribution receiver for a discrete variable QKD protocol comprising an optical circuit adapted to receive a signal from an emitter, split it into several states and temporally multiplex the different states at fixed time-differences, a unique single-photon detector adapted to detect said states in specific time-bins at said fixed time-differences, wherein said receiver is adapted to control said unique single-photon detector in gated mode so as to effectively activate the detector to create detection gates at said specific time-bins, the choice of the time-bins corresponding to the choice of the measurement basis of the qubits, and activate the detector to create extra detection gates at additional security time-bins different from said specific time-bins.

SINGLE-CLICK PROTOCOL FOR REMOTE STATE PREPARATION WITH A WEAK COHERENT PULSE SOURCE

Resumen de: WO2026216996A1

The present disclosure presents a single-click protocol for use in a quantum network, nodes of such quantum network, and related methods. The quantum network includes client nodes, server nodes, and measurement nodes, wherein at least one client node is operatively coupled via a first quantum communication link with at least one measurement node, and wherein at least one server node is operatively coupled via a second quantum communication link with the at least one measurement node, wherein the at least one server node and the at least one client node are configured to transmit quantum states toward the measurement node for remote state preparation, and wherein the server node and the client node are configured to receive heralding signals from the measurement node, wherein the measurement node is configured to transmit the heralding signals upon using a single-click protocol.

QUANTUM KEY DISTRIBUTION CALIBRATION SETUP AND METHOD THEREOF

Resumen de: US20260322595A1

The present invention relates to Calibration system for calibrating a QKD emitter comprising said QKD emitter provided with a light source for generating light and an output connector for exiting the generated light, and a telecom characterization setup located at the output connector characterized in that the calibration system further comprises a pair of switchable connectors adapted to be switched between a first position where the connectors are exposed to the outside of the QKD emitter and a second position where the connectors are internally connected for providing a light path from the light source to the output connector, and an optical amplifier connected to the connectors switched in the first position for calibration procedure.

Operating a Layered Quantum Networking Environment with Fidelity Estimates

Resumen de: US20260322502A1

A first message is sent from a first node in a network indicating that a first quantum element at the first node is entangled with a second quantum element at a second node in the network. The first message comprises a first estimate of a fidelity of entanglement between the first and second quantum elements, and a timestamp indicating a time associated with the first estimate. Based at least in part on the first message, a second estimate of a fidelity of the entanglement between the first and second quantum elements is generated, at a second time after the time indicated by the timestamp, and is compared to each of multiple thresholds. At least a first (second) action is performed in response to a result of comparing the second estimate to a first (second) threshold.

COMPUTING SYSTEMS AND METHODS FOR EVALUATING ENTROPY OF A RESULTS STRING FOR USE IN SECURITY APPLICATIONS

Resumen de: WO2026215638A1

A computer-implemented method for evaluating entropy of a results string representing a set of measurement or computation results output by a computing device, to determine suitability of the results string for use in security. The method comprising generating a first estimate of a polytope representing a set of probability distributions that includes a set of allowable behaviours, wherein the first polytope estimate comprises a bounded region within multidimensional space in which the boundaries represent estimated limits for the set of allowable behaviours. The method comprises iteratively refining the first polytope estimate by: determining one or more behaviours within the polytope estimate which are inconsistent with behaviours allowed by quantum mechanics, determining constraints on the set of allowable behaviours, and modifying the boundaries of the polytope estimate to generate a refined polytope estimate. The method also comprises checking compliance of the evaluated entropy of the results string with a required minimum entropy.

QUANTUM HOLOGRAPHIC SIGNATURE WITH QUANTUM FOURIER SIGNATURE TRANSFORMER AND ENCODING HARMONIZER

Resumen de: US20260320592A1

Apparatus and methods for securing a transaction. The apparatus may include a holographic signature pad. The holographic signature pad may include an array of sensors. The sensors may be configured to sense a first quantum tunneling pattern resulting from interaction between a pen and the signature pad. The pad may be configured to create a holographic interference pattern based on the first quantum tunneling pattern. The apparatus may map the digitized interference pattern onto first qubits in a quantum register. The apparatus may be configured to interact with the quantum computer to apply a quantum Fourier transform algorithm to the first qubits to produce a quantum phase-space interference matrix. The apparatus may be configured to form a key-value pair that includes a key corresponding to a quantum encrypted fingerprint matrix and a value corresponding to the quantum phase-space interference matrix.

POST-QUANTUM SAFE MUTUAL AUTHENTICATION COMMUNICATION SYSTEMS

Resumen de: US20260322594A1

Devices, systems, and methods for post-quantum (PQ) secure (PQS) communications are provided. A method includes authenticating, by a device and with a first server, using a legacy device identity, receiving and installing, by the device, a firmware upgrade that provides the device an ability to communicate in a PQS manner, establishing a PQS communication channel between the device and a second server, mutually authenticating, by the device and with the second server, using a PQ identity (PQI) of the device, the PQI different from the legacy identity, and responsive to successful mutual authentication, communicating between the device and the second server, using the PQS communication channel.

DOUBLE-SINGLE-CLICK PROTOCOL FOR REMOTE STATE PREPARATION WITH A WEAK COHERENT PULSE SOURCE

Nº publicación: WO2026216997A1 15/10/2026

Solicitante:

TECHNISCHE UNIV DELFT [NL]
UNIV OF COPENHAGEN [DK]
QSTARBIRD B V [NL]
TECHNISCHE UNIVERSITEIT DELFT
UNIVERSITY OF COPENHAGEN
Q*BIRD B.V.

Resumen de: WO2026216997A1

The present disclosure presents a double-single-click protocol for use in a quantum network, nodes of such quantum network, and related methods. The quantum network includes client nodes, server nodes, and measurement nodes, wherein at least one client node is operatively coupled via a first quantum communication link with at least one measurement node, and wherein the at least one server node is operatively coupled via a second quantum communication link with at least one measurement node, wherein the at least one server node and the at least one client node are configured to transmit quantum states toward the measurement node, and wherein the at least one server node and the at least one client node are configured to receive heralding signals from the measurement node, wherein the measurement node is configured to transmit the heralding signals upon using a double-single-click protocol.