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ADAPTIVE QUANTUM-BASED VOICE OVER INTERNET PROTOCOL (VoIP) SECURITY

Resumen de: US20260155959A1

0000 Systems, methods, and apparatus are provided for adaptive, quantum-based VoIP security. A biometric voiceprint may be generated from a VoIP communication. In response to failure to authenticate the voiceprint, the sound waves associated with the voiceprint may be selectively neutralized without terminating the VoIP communication. In response to authentication of the voiceprint, a biometric key may be generated based on the voiceprint. A quantum encryption key may be generated and distributed via a quantum channel. A VoIP session key may be generated based on the biometric encryption key and the quantum encryption key and used to encrypt the VoIP communication. An ambient sound associated with the VoIP communication may be isolated. In response to failure to authenticate the ambient sound, the caller may be required to provide an additional form of authentication.

ELECTRONIC DEVICE AND METHOD FOR PROCESSING SECURE DATA THEREOF

Resumen de: US20260155994A1

Provided is a secure data processing method and device for performing same. The device includes: a communication circuit; a secure chipset; a memory storing instructions; and a processor configured to execute the instructions to: provide a first secure domain and a second secure domain, and wherein the processor is configured to execute the instructions to: receive a script forwarded from an external entity to the first secure domain through the communication circuit, obtain an authentication certificate and a digital signature of the external entity by parsing the script, cause the secure chipset to verify the authentication certificate by using a first authentication key related to the authentication certificate of the external entity stored in the first secure domain; extract a second authentication key from the authentication certificate; and cause the secure chipset to validate the digital signature by using the second authentication key.

SYSTEMS AND METHODS FOR SOURCE-INDEPENDENT QUANTUM POSITION VERIFICATION

Resumen de: US20260154441A1

0000 A method may include: a first verifier receiving a request for position verification comprising a claimed position from a prover electronic device; the first verifier generating two first bitstrings and sending one of the bitstrings to a second verifier; the prover preparing two entangled quantum systems and sending one of the quantum systems to the first verifier; the first verifier measuring the first quantum system; each of the first verifier and the second verifier sending one of the bitstrings to the prover electronic device so that they arrive at the claimed position at the same time; the prover electronic device measuring the second quantum system and sending responses to the two verifiers with the measurement; the first verifier confirming that the responses were received within an expected time window and are valid.

ELECTRONIC DEVICE AND METHOD FOR ACTIVATING A VEHICLE FEATURE ON DEMAND (FOD) SERVICE AND AN FOD SERVER AND METHOD FOR SUPPORTING A VEHICLE FOD SERVICE

Resumen de: US20260155962A1

A method for activating a vehicle feature on demand (FoD) service by an electronic device includes requesting information related to the FoD service from an FoD server. The method further includes receiving information related to the FoD service for a vehicle from the FoD server. The method further includes verifying an electronic signature included in the received information related to the FoD service for the vehicle. The method further includes decrypting information for activating the FoD service included in the received information related to the FoD service for the vehicle. The method further includes activating the FoD service when the electronic signature is successfully verified and the information for activating the FoD service is successfully decrypted. The method further includes transmitting a result of the activated FoD service to the FoD server.

QUANTUM NETWORK NODE AND PROTOCOLS WITH MULTIPLE QUBIT SPECIES

Resumen de: US20260154602A1

A quantum networking node is provided for use in a modular optical architecture for quantum computing. The quantum networking node includes multiple memory qubits; and one or more communication qubits. The multiple memory qubits and the one or more communication qubits are part of a lattice in an ion trap. Moreover, the memory qubits and the communication qubits are made from a pair of different ion species, each ion species of the pair of different ion species being individually selected from Ba, Ca, Sr, or Mg.

SYSTEMS AND METHODS FOR QUANTUM POSITION-BASED KEY EXCHANGE

Resumen de: US20260155961A1

0000 A method may include: a first verifier receiving a request for a claimed position verification from a prover; the first verifier randomly generating a first bitstring and a second bitstring; the first verifier sending the first bitstring and the second bitstring to a second verifier; the first verifier preparing a quantum system and sending the quantum system to the prover; the first verifier sending the first bitstring to the prover; the second verifier sending the second bitstring to the prover such that the first bitstring and the second bitstring arrive at the claimed position at the same time; the first verifier validating a response received from the prover; and the first verifier confirming that the response was received within an expected time window.

SYSTEMS AND METHODS FOR REMOTE QUANTUM KEY DISTRIBUTION

Resumen de: US20260155960A1

0000 A first party quantum trusted executed environment (QTEE) receives a first party initial key from a first party and generates an expanded key; a second party QTEE receives a second party initial key from a second party and generates an expanded key; an untrusted third party controls an untrusted quantum source to distribute an input quantum system to the QTEEs; the first party QTEE encodes the input quantum system into a first quantum system and sends the first quantum system to the untrusted third party; the second party QTEE encodes the input quantum system into a second quantum system and sends the second quantum system to the untrusted third party; the untrusted third party performs an entangling measurement on the quantum systems resulting an entangling measurement outcome and sends to the parties; and the parties generate secret keys using the expanded keys and the entangling measurement outcome.

A SYSTEM AND METHOD FOR TIME TRANSFER

Resumen de: GB2642294A

System for time transfer between a first and second clock, comprising an entangled photon transmitter 100, a first photon receiver 200 comprising first clock 600, and a second photon receiver 300 comprising second clock 700. Entangled photons are generated and first 114 & second 116 photons are transmitted to the respective receivers 200/300. At the receivers 200/300, respective series of emission timestamps are determined by removing respective time of flight offsets from each detection timestamp. A clock offset between the first 600 and second clock 700 is determined by calculating a cross-correlation between the respective series of emission timestamps, and time is transferred by adjusting either clock by the clock offset. A group clock offset may be determined from an average of a plurality of clock offsets, and the clocks may be adjusted by the group clock offset. The transmitter 100 may be at a satellite. The time of flight offsets may be determined using a synchronisation laser system or a laser ranging beam.

改善されたブロックチェーンシステムおよび方法

Resumen de: EP4472126A1

The present disclosure relates to a quantum-analogue proof-of-work consensus method for use in a blockchain network. The method comprises: receiving a plurality of verification data obtained using a boson sampling experiment associated with a candidate block, from a plurality of different miners of the blockchain network. Each verification data may be associated with a different miner, and wherein each miner performs the boson sampling experiment using at least some information comprised in the candidate block. The method may comprise analysing the received plurality of verification data to determine if a consensus has been achieved; and adding the candidate block to a blockchain associated to the blockchain network when consensus is achieved.

SECURITY PROOF OF QUANTUM COMMUNICATION PROTOCOLS

Resumen de: WO2025093379A1

Disclosed is a method for sharing information between a sender node and a receiver node in accordance with a quantum communication protocol. The method comprises: determining an attack configuration for access by a third party to the quantum channel, the attack configuration being defined by at least a quantum circuit system having specific parameters and an attack success bound, the quantum circuit system being configured to intercept a qubit on the quantum channel, determine the state of the intercepted qubit; using the quantum circuit system to measure first and second metrics by at least intercepting qubits on the quantum channel; determining whether the second metric fulfils an error tolerance bound and whether the first metric fulfills the attack success bound; aborting the communication protocol if the second metric fulfils the error tolerance bound and the first metric fulfills the attack success bound.

ML BASED SECURITY PROOF OF QUANTUM COMMUNICATION PROTOCOLS

Resumen de: WO2025093381A1

Disclosed is a method for sharing information using a data sharing system comprising a sender node and a receiver node using a quantum channel in accordance with a quantum communication protocol, the method comprising: providing a trained machine learning model, the machine learning model being configured to receive a set of parameters of a given system in order to predict whether the given system is secure or unsecure for sharing information according to the quantum communication protocol, the set of parameters indicating a level of success of an attack by a third party and a reception success at a receiver node of the given system and being descriptive of the given system; evaluating the set of parameters for the data sharing system for sharing the information; inputting the evaluated set of parameters to the machine learning model, thereby receiving a prediction of a security of the data sharing system; aborting the quantum communication protocol if the data sharing system is predicted as being unsecure.

QUANTUM KEY MANAGEMENT SYSTEM FOR NETWORK NODE, COMMUNICATION NETWORK, METHOD, COMPUTER PROGRAM

Resumen de: EP4749988A1

Provided is a first network node for communicating with a second network node. The first network node includes circuitry configured to locally generate a first encryption key. The circuitry is further configured to communicate the first encryption key to the second network node via a first communication path. The circuitry is further configured to receive a second encryption key from the second network node via a second communication path. The second communication path involves at least one third network node different from a fourth network node of the first communication path. The circuitry is further configured to communicate encrypted payload data with the second network node. The encryption is based on a combination of the first and second encryption keys.

TECHNIQUES FOR DISTRIBUTING ENTANGLED PHOTONS AS A SERVICE

Resumen de: EP4749986A1

Techniques for exposing entangled quantum states is disclosed, comprising the following steps:• storing entangled quantum states in a quantum memory at a network node;• storing metadata associated with the quantum states in a classical metadata memory, wherein the metadata includes a physical storage address, a time slot identifier and a logical identifier;• requesting the entangled quantum states from the quantum memory via a classical API;• exposing the entangled quantum states to users of a quantum communication protocol over a quantum communication channel.

A RESTRICTED METHOD OF SECURITY KEY EXCHANGE BASED ON A QUANTUM NETWORK HAVING A CENTRALIZED KEY MANAGER; A COMMUNICATION INFRASTRUCTURE AND A COMPUTER PROGRAM PRODUCT THEREFOR

Resumen de: EP4749991A1

0001 Dans ce procédé, un gestionnaire de clés centralisé (40) tient à jour une base de données avec les clés de chacun des nœuds (30) du réseau QKD, et, lors de la réception d'une route pour échanger un aléa (K<0>) entre un émetteur et un destinataire, sélectionne une clé pour chaque paire de nœuds de la route et transmet, en parallèle à chacun des nœuds de la route, une commande (C) identifiant la clé qu'il partage avec le nœud précédent et la clé qu'il partage avec le nœud suivant. Chaque nœud somme (140) les deux clés identifiées et envoie une réponse à l'unité XOR (44), qui construit une chaine globale (K) avant de la transmettre au destinataire pour extraction de l'aléa.