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188
resultados
Última actualización
25/08/2026 [08:08:00]
Resultados 25 a 50 de 188
Resumen de: US20260230315A1
0000 Systems and techniques for secure communications and distribution of random values, produced from at least two satellite entropy sources, are described. These random values may be provided by respective quantum random number generators (QRNGs) at separate satellites, and optionally combined with values from ground-based entropy sources (e.g., QRNGs at terrestrial locations). An example method includes: receiving a first random value and a second random value via at least one satellite communication, where the first random value is generated by a first QRNG at a first satellite, and the second random value is generated by a second QRNG at a second satellite; and generating a cryptographic key based on the first random value and the second random value. The cryptographic key may be produced by a key derivation function that combines the random values, and the cryptographic key may be used to establish a secure communication session.
Resumen de: US20260230340A1
0000 A biometric blockchain system is provided with a card body dimensioned to approximate a standard credit card, a biometric sensor module embedded in the card body and configured to capture fingerprint or facial data, embedded electronics including at least one microcontroller unit, a cryptographic processor, and non-volatile memory, communication interfaces including at least one of near field communication or bluetooth low energy or ultra-wide band, and a power source. The biometric sensor module captures biometric data, the embedded electronics generate a cryptographic key from the biometric data using a biometric key derivation function, and the cryptographic key enables access to a private blockchain ledger for secure interactions among users with compatible cards. The card body comprises a core layer comprising a substrate film, a core sheet comprising a component section with an antenna structure and a system-in-package, and a crosslinked polymer composition disposed on both sides of the substrate film.
Resumen de: EP4787772A1
0001 A method for analyzing a quantum key distribution network, QKDN, wherein a QKDN analyzer module measures a key system attribute, KSA, of the QKDN and/or checks a functionality of the QKDN; a QKDN analyzer device for analyzing a QKDN, QKD nodes for a QKDN, a QKDN and a computer program product.
Resumen de: US2025112897A1
Techniques for applying a quantum ready intelligent security gateway are disclosed. In some embodiments, a system/process/computer program product for applying a quantum ready intelligent security gateway (e.g., a quantum ready intelligent security gateway that supports quantum key distribution (QKD) and/or post-quantum cryptography (PQC) for providing a secure tunnel to the mobile network) includes monitoring network traffic on a mobile network at a security gateway to identify a new session; determining meta information associated with the new session by extracting the meta information from the network traffic via one or more interfaces; and enforcing a security policy on the new session at the security gateway based on the meta information to apply context-based security in the mobile network.
Resumen de: US2025106012A1
Systems and methods for quantum key distribution in an optical network and quantum-secured optical channels. A node for operation in an optical network includes one or more degrees each connected to a corresponding optical span including one or more fibers; and one or more Quantum-Optical Service modules (QOSM) for each of the one or more degrees, each QOSM supporting Quantum Key Distribution (QKD) for establishing a quantum-secured channel and Optical Service Channel (OSC) functionality over the quantum-secured channel. A line amplifier system for operation in an optical network includes one or more optical amplifiers configured to amplify optical channels over an optical span in the optical network; and a trusted quantum repeater, connected to the optical span, and configured to support QKD for establishing a first quantum-secured channel and a second quantum-secured channel and OSC functionality over the first quantum-secured channel and the second quantum-secured channel.
Resumen de: KR20260118575A
0001a 본 개시는 글로벌 공급망 관리 측면에서 생산 및 물류 데이터의 보안성 강화를 위한 양자내성암호 적용 방법 및 그 시스템을 제공한다. 본 개시에서, 품질관리 시스템은, 품질 데이터를 수집하고, 품질 데이터를 양자내성암호 키로 암호화하도록 구성되는 현장 계층 모듈, 품질 데이터를 검증하고, 양자내성암호 키로 품질 데이터에 대해 중간 보안 처리를 수행하도록 구성되는 엣지 계층 모듈, 및 품질 데이터에 대해 고급 분석을 수행하고, 품질 데이터를 통합 보안 관리하도록 구성되는 클라우드 계층 모듈을 포함할 수 있다.
Resumen de: EP4572187A1
0001 The present invention relates to a transmitter (1000) for a BB84 protocol, comprising a laser (1100) configured to generate a first light pulse (P<1>) having a first duration (T
Resumen de: US20260222186A1
A first quantum key delivery device (10) comprises: a light source (11) that outputs light; a branch unit that causes light output from the light source (11) to branch to first light and second light; a random number generation unit (13) that generates a random number on the basis of the first light caused to branch by the branch unit (12); a modulation unit (14) that modulates the second light caused to branch by the branch unit (12) on the basis of the random number generated by the random number generation unit (13); and an optical transmission unit (15) that transmits the second light modulated by the modulation unit (14) as a quantum optical signal to another quantum key delivery device.
Resumen de: US20260222228A1
A method for optimizing the execution of the generation of a Crystals-Dilithium post-quantum digital signature σ=({tilde over (c)}, z, h) of a message M with a secret key sk=(ρ, K, tr, s1, s2, t0) where ρ, K, tr are 256 bits binary values, s1 and s2 are vectors of length l, respectively k, of elements of the ring Rq whose coefficients are lower than a first predetermined value η, and t0 is a polynomial vector of length k with k, l, n and q integers. Other aspects are described herein.
Resumen de: WO2026160937A1
The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided is a method performed by a terminal of a wireless communication system. The method performed by a terminal according to an embodiment of the present disclosure may comprise the steps of: establishing a transport layer security (TLS) connection with a profile server; transmitting first embedded universal integrated circuit card (eUICC) information including first key configuration algorithm information supported by an eUICC of the terminal to the profile server through an authentication start request message for starting mutual authentication between the terminal and the profile server; receiving, from the profile server, an authentication start response message including information about at least one key configuration algorithm selected from the first key configuration algorithm information; transmitting, to the profile server through a client verification request message, an eUICC signature of the terminal and second eUICC information including second key configuration algorithm information supported by the eUICC of the terminal; and receiving, from the profile server, a response according to the verification result regarding whether the first key configuration algorithm information in the first eUICC information matches the second key configuration algorithm information in the second eUICC information.
Resumen de: US20260222206A1
A quantum token generation method using computing system comprising a quantum computer in communication with a classical computer is provided. The method comprising the steps of: generating, using the classical computer, a unique identifier comprising f portions; determining, using the classical computer, a secret-key quantum circuit comprising n qubits; generating, using the classical computer and the quantum computer, a classical description of the unique identifier using the secret-key quantum circuit; wherein the classical description comprises n portions; generating, using an n-qubit quantum circuit of the quantum computer, a quantum state based on the classical description of the unique identifier; and outputting, using the classical computer, a quantum token, the quantum token comprising: the unique identifier; and the quantum state.
Resumen de: US20260222185A1
0000 A method and an apparatus for receiving quantum optical communication while reducing receiver, increasing maximum detection speed, or both. The disclosure comprises transforming the polarization encoded output of a QKD system to time-bin encoded output at the detector level. The disclosure also comprises a method and an apparatus using a quantum optical switch and several SPD units to increase communication speed.
Resumen de: EP4550715A1
0001 The present invention relates to a Quantum Key Distribution system comprising an emitter and a receiver adapted to exchange QKD-based key comprising starting (S100) the process and triggering (S101) QKD-based key exchange between the emitter and the receiver, exchanging (S102) a first key K1 and a second key K2 between the emitter and the receiver, generating (S103) a third key K3 by expanding said first key K1 at both the emitter and the receiver; generating (S103) a fourth key K4 at the emitter via its QRNG, and encrypting (S104) K4 with K2 as a message C using a symmetric encryption scheme, and send it to the receiver, decrypting (S105) message C with K2 to obtain K4 at the receiver, generating (S106, S106') a fifth key K at the emitter and the receiver by computing K = K3 XOR K4 and delivering (S107, S107') K to the respective consumers.
Resumen de: US20260222815A1
0000 An Ultra-Wide Band (UWB)-based communication framework integrates quantum cloud orchestration and tokenized security to enable secure, efficient, and low-latency transactions between devices and edge centers. The system dynamically generates quantum-encrypted, perishable tokens containing transaction metadata, including geolocation, network type, and security requirements, to optimize data transfer. The framework employs UWB technology for precise location tracking and low-energy communication, enabling seamless hybrid network integration across UWB, 5G, and Wi-Fi. The quantum cloud orchestrator leverages AI and machine learning to predict network conditions, optimize transaction paths, and pre-communicate metadata for real-time processing. Using Software-Defined Networking (SDN), the system ensures secure and efficient routing while maintaining compliance with regulatory standards. Applications span diverse sectors, including smart workplaces, contactless retail, dynamic ticketing, personalized hospitality, and emergency response coordination. This invention addresses critical challenges in signal strength, energy consumption, and latency, offering a scalable, transformative solution for secure and efficient device-edge communication.
Resumen de: US20260220242A1
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.
Resumen de: EP4550716A1
The present invention relates to a Quantum Key Distribution system comprising an emitter and a receiver adapted to exchange QKD-based key through a service continuity mode comprising: starting (S100) the process and triggering (S101) QKD-based key exchange between the emitter and the receiver, exchanging (S102) a first key K1 between the emitter and the receiver, generating (S103) a second key K2 at the emitter via its QRNG, and encrypting (S104) K2 with K1 as a message C, and send it to the receiver, decrypting (S105) message C with K1 to obtain K2 at the receiver, and delivering (S106, S106') K2 to the respective consumers, characterized in that the QKD exchanged key K1 is a single key with fixed size, and the encrypting and decrypting procedures of K2 are using a symmetric encryption scheme.
Resumen de: US20260222187A1
0000 The disclosed systems and methods assist transmitted content in reaching a receiver, even if a network is subjected to sophisticated tampering. A device for a communication network including a plurality of nodes and a plurality of paths connecting a source node, which is a transmission source of information, and a terminal node, which is a destination of the information. A segmentation instruction unit being configured to instruct the source node to disperse the information into a plurality of pieces of random number data, to encode the random number data by an error correction code to generate codewords, and to order the codewords from the beginning and divide the codewords into a plurality of segments, the first transmission instruction unit being configured to instruct the source node to transmit OTP-encrypted data of the plurality of segments through the plurality of paths.
Resumen de: EP4783040A1
0001 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.
Resumen de: WO2025062472A1
Data (D) transmission system (10) via satellite (11), comprising at least one satellite station (40) disposed on a respective satellite (11) with which a first transmission station (20) and a second transmission station (30) are operatively connected, during use, wherein at least one of either the first (20) or the second station (30) is disposed, during use, on a mobile means of transport (12), the other being disposed on a respective mobile means of transport (12) or on a fixed point on land. The stations (20, 30, 40) comprise, respectively, at least an optical assembly (22, 32, 42) configured to transmit and/or receive one or more optical signals (SO) comprising at least a first type of optical signal (SOI) to allow the quantum distribution of encryption keys, and a transmission assembly (21, 31, 41) configured to transmit and receive one or more radio frequency signals (SR) containing data (D), wherein said optical assemblies (22, 32, 42) and said radio frequency transmission assemblies (21, 31, 41) are configured to transmit and/or receive respective pointing signals to achieve an alignment between the stations (20, 30, 40).
Resumen de: KR20260117471A
0001a 본 발명은 PQC 및 QKD 하이브리드 네트워크에서의 암호화 데이터 전송 방법, 장치 및 컴퓨터 프로그램에 관한 것으로, 본 발명의 PQC 및 QKD 하이브리드 네트워크에서의 암호화 데이터 전송 방법은, 제1 암호화기에서 제1 암호화 처리된 제1 암호화 데이터를 수신하는 단계; 제1 암호화 데이터를 제1 암호화 메모리에 전달하는 단계; 제1 암호화 메모리에서 제1 암호화 데이터를 제1 복호화 처리하는 단계; 제1 암호화 메모리에서 제1 복호화 처리된 제1 복호화 데이터를 제2 암호화 처리하는 단계; 및 제2 암호화 처리된 제2 암호화 데이터를 제2 암호화기에 전송하는 단계;를 포함하는, 방법을 제시한다.
Resumen de: EP4783514A1
This application discloses a quantum key distribution method, apparatus, and system, relating to the field of network technologies. A first quantum device generates a modulated optical signal that carries quantum information and classical information. Both the classical information and the quantum information are modulated on at least one polarization of the modulated optical signal, the modulated optical signal includes a plurality of subcarriers in different frequency segments, the classical information and the quantum information are on different subcarriers among the plurality of subcarriers, and the classical information includes quantum key agreement information. The first quantum device sends the modulated optical signal to a second quantum device via an optical fiber link. By modulating the quantum information and the classical information on the same polarization of the optical signal, a system achieves a high capacity. The quantum information and the classical information are modulated on subcarriers in different frequency segments within the optical signal, so that respective modulation accuracy requirements of a classical signal and a quantum signal can be satisfied. Reusing a set of devices to transmit both the quantum information and the classical information reduces hardware costs.
Resumen de: WO2025012609A1
A method of key amplification by a first system and a second system of a network having a key to be amplified, a shared secret, a shared first system identity, a shared second system identity, a shared first key and a shared second key, comprising: (i) each system generating a new random number and creating a combination of the new random number and the shared first key; (ii) each system using a shared predetermined process to generate a shared nonce derived from at least each system identity; (iii) each system using a shared predetermined process to generate a shared key and using the shared key to encrypt the combination with the shared nonce; (iv) each system receiving the encrypted combination from the other system; (v) each system using the shared key to decrypt the encrypted combination with the shared nonce to obtain the combination; (vi) each system generating a key of a set of keys which is a function of the combination of the first system, the combination of the second system, the shared second key and the shared secret, and (vii) each system repeating steps (i) to (vi) a predetermined number of times to generate further keys of the set of keys which set of keys comprise an amplification of the key to be amplified. A system for key amplification is further provided.
Resumen de: US20260213955A1
0000 Prior AI governance systems operate as isolated domain silos and cannot share hardware-attested evidence across domains, generate simultaneous multi-framework regulatory proofs, or allow regulators to independently verify compliance. The present invention introduces a Universal AI Governance Fabric, a horizontal platform that federates domain-specific Trusted Execution Environment (TEE) systems under a single cryptographically unified trust state anchored to silicon root-of-trust keys inaccessible to software. A heterogeneous TEE orchestration layer verifies attestations across multiple enclave technologies including Intel SGX, AMD SEV-SNP, Intel TDX, ARM TrustZone, and major confidential computing environments. When a threshold violation occurs, an atomic cross-domain transition orchestrator simultaneously destroys baseline session keys, increments hardware monotonic counters, and activates IOMMU isolation across participating systems. A Unified Regulatory Verification Engine generates jurisdiction-specific evidence packs for major regulatory frameworks from a single zero-knowledge proof computation, enabling independent regulator verification and providing a secure, cross-domain AI governance infrastructure.
Nº publicación: US20260213950A1 23/07/2026
Solicitante:
BICKERSTAFF III GEORGE WILLIAM [US]
Bickerstaff, III George William
Resumen de: US20260213950A1
0000 A system generates attested decision provenance records for artificial intelligence models. The AI model executes within a hardware-isolated enclave that prevents access or modification by external software. Before each execution, the system verifies that the correct model version is present by comparing a cryptographic model fingerprint and checking a hardware-anchored monotonic counter that prevents rollback to earlier versions. If a mismatch or rollback attempt occurs, execution is halted and the event is recorded. For each decision, the system produces a signed provenance token containing seven fields: a model hash, an input hash, a decision hash, an enclave measurement, a hardware timestamp, a version counter value, and an attestation signature covering all preceding fields. The token enables independent verification of the decision without revealing underlying data. Optional extensions include fairness evaluation, selective encryption, distributed fallback execution, post-quantum signatures, and automated compliance package generation.
BOPI
Sede Electrónica
