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JOINT MODULAR MULTIPLICATIVE INVERSE OPERATIONS FOR ACTIVE VOLUME QUANTUM COMPUTING

Resumen de: US20260254625A1

0000 Systems, methods, and quantum circuits for utilizing a joint modular multiplicative inverse operation to perform quantum decryption. First and second private keys are determined by applying first and second series of quantum phase estimation circuits to first and second pluralities of qubits. The private keys are determined further based on public keys and a base point P. The first and second series of quantum phase estimation circuits include application of a joint modular multiplicative inverse circuit on a first qubit of the first plurality of qubits and a second qubit of the second plurality of qubits that calculates a modular multiplicative inverse of a modular product of a first value of the first qubit and a second value of the second qubit. The first and second private keys are stored in a non-transitory computer-readable memory medium.

KEY EXCHANGE SYSTEM, QKD APPARATUS, HUB APPARATUS, METHOD, AND PROGRAM

Resumen de: US20260254623A1

0000 A key exchange system includes: a quantum key distribution (QKD) network including a plurality of QKD apparatuses that performs exchange of a key and a plurality of key management apparatuses that relays the key; and a plurality of hub apparatuses that performs encrypted communication by using the key. One of the QKD apparatuses includes a processor configured to, in a case where the key is transmitted to an unreliable key management apparatus, use a secret key shared in advance with a hub apparatus that receives the key via the unreliable key management apparatus, and transmit the key subjected to an exclusive OR with the secret key to the unreliable key management apparatus. The hub apparatus includes a processor configured to, in a case where the key is received from the unreliable key management apparatus, use the secret key to calculate an exclusive OR of the secret key and the key.

PQC ADAPTATION FOR 6G AKA PROCEDURE

Resumen de: US20260254645A1

0000 The present disclosure relates to post quantum cryptography (PQC) enhancement of authentication and key agreement (AKA) procedures for use in communication networks. Aspects of the disclosure include use of a pre-shared post quantum key (PPK), or a selected PPK from a list of PPKs, or use of a home network public key (pk) and private key (sk) derived using a post-quantum cryptography (PQC) key generation function, defining PQC-based pk and sk, for authentication procedures between user equipment and a network entity. Aspects of the disclosure further include use of the PQC-based pk and sk for key generation of shared PQC-based keys.

METHOD AND SYSTEM FOR KEY DISTRIBUTION IN A COMMUNICATION SYSTEM

Resumen de: WO2026175532A1

Provided is a method for key distribution in a communication system comprising a source node, at least one intermediate node, and at least one destination node. The method comprises receiving a request for distributing a key to the at least one destination node, the request including a policy requirement for distributing the key from the source node via the at least one intermediate node to the at least one destination node. Furthermore, the method comprises distributing the key from the source node to the at least one destination node based on the policy requirement. A report is transmitted, the report providing feedback regarding the key distribution based on the policy requirement.

MULTI-AXIS MEASUREMENT PROTOCOL TO PROTECT QUANTUM INFORMATION

Resumen de: US20260254622A1

Systems and methods for implementing a multi-axis measurement protocol to protect quantum information are disclosed herein. A method includes generating at least one input qubit data for transmission. Further, the method includes determining one or more qubit measurement operations to be performed on the qubit data. The method then include generating one or more entangled pairs of qubits comprising first set of qubits and second set of qubits. Also, the method includes creating entangled data by entangling the input qubit data with the first set of qubits. The method then includes performing the determined at least one appropriate qubit measurement operation on the created entangled data to orientate a state of the created entangled data before transmission. Further, the method includes generating two classic bits for the created entangled data based on the performed appropriate qubit measurement operation and transmitting to the receiver via a classic communication channel.

Pro-Active Anomaly Detection Using Metadata-Based Preview of Multi-Level Token Mix-Up Data Augmentation

Resumen de: US20260254621A1

This invention relates to a quantum cloud-based processing system for managing transaction data across multi-application environments with enhanced security, adaptability, and efficiency. The system receives transaction data and metadata, encrypts it using dynamically generated quantum encryption keys, and queries downstream applications to retrieve data structure requirements. It creates a hierarchical map to trace data transformations, tokenizes data into standardized units with encoded metadata, and performs multi-level data augmentation using advanced machine learning techniques. The system ensures seamless integration with applications through a soft commit mechanism, detects and categorizes anomalies, and generates comprehensive discrepancy and anomaly impact reports. Dynamic updating modules adapt to changes in application requirements, while logging and storage modules maintain secure and auditable records of all workflows. This invention addresses the complexities of managing sensitive transaction data, ensuring integrity, compliance, and scalability in diverse, high-volume environments.

Miniaturized Quantum Key Distribution (QKD) Circuits

Resumen de: US20260254539A1

Apparatuses, systems, computing devices, switches, network endpoints, and methods to enable quantum key distribution (QKD). Systems include a QKD circuit to encode one or more photons according to respective quantum states and a quantum transmitter circuit to enable the encoded photons to transmit via an optical communication channel.

Vorrichtungen und Verfahren zur optischen Kommunikation

Resumen de: DE102025107525A1

Ein optischer Kommunikationsknoten umfasst eine Kommunikationseinrichtung zum Austausch eines optischen modulierten Kommunikationssignals, das eine Synchronisierungsinformation aufweist, in einem ersten Zeitintervall und mit einem Kommunikationspartner. Der optische Kommunikationsknoten umfasst eine Schlüsselerzeugungseinrichtung, die ausgebildet ist, um in einem mit der Synchronisierungsinformation korrelierten disjunkten zweiten Zeitintervall basierend auf einem optischen QKD-Signal eine gemeinsame Quantenbitfolge mit dem Kommunikationspartner auszutauschen. Der optische Kommunikationsknoten umfasst ferner eine optische Schnittstelle zum Bereitstellen des optischen modulierten Kommunikationssignals und des optischen QKD-Signals über einen gemeinsamen räumlichen Kanal, um über den gemeinsamen räumlichen Kanal das Kommunikationssignal, das QKD-Signal und die Synchronisierungsinformation mit dem Kommunikationspartner auszutauschen.

SYSTEMS AND METHODS FOR SOLVING TACIT COORDINATION PROBLEMS USING QUANTUM TELEPATHY

Resumen de: WO2026177759A2

Systems and methods for tacit coordination of decisions. In one embodiment, a system includes first and second measurement devices that are each coupled to respective quantum memory devices. A heralded entanglement measurement device photonically connecting the quantum memory devices via respective quantum channels is configured to receive photons emitted from the respective quantum memory devices via the quantum channels and to perform measurements on the photons to determine whether the quantum memory devices are entangled. The heralded entanglement device transmits a heralding signal to the first and second memory devices indicating whether the memory devices have been successfully entangled. If they are successfully entangled, the memory devices are configured to make tacitly coordinated decisions using local information and thereby obtain a quantum advantage. Other embodiments of systems are disclosed as are methods for optimizing and tuning the systems and for using the systems in various applications including high frequency trading, distributed computing, and computer architecture.

Decision Engine Consistency Verification System

Resumen de: US20260254624A1

0000 Various aspects of the disclosure relate to verification of data sets used for real-time processes and/or batch processes. A computing platform negotiates, by a first quantum node, a shared key group with at least a second quantum node and calculates an exclusive or (XOR) value of a pair of the first quantum node and the second quantum node. The first quantum service node performs a shared key grouping with the second quantum node and then selects a quantum key relay link between a real-time node and a batch source node. The computing platform selects a corresponding state of all virtual quantum nodes associated with the quantum key relay link and encapsulates a virtual quantum link state between any two quantum service nodes in the quantum network into a database decision engine data file.

IMPROVEMENTS TO QKD ARRANGEMENTS

Resumen de: US20260254620A1

0000 There is herein disclosed an apparatus for performing quantum key distribution, the apparatus comprising a first quantum terminal, the first quantum terminal being one of a first quantum transmitter/receiver pair, and a second quantum terminal, the second quantum terminal being one of a second quantum transmitter/receiver pair, wherein the first quantum terminal comprises a plurality of connected functional components which, in use, co-operate to perform quantum key distribution with the other of the first quantum transmitter/receiver pair, wherein, in use, one or more of the plurality of connected functional components co-operates with the second quantum terminal to perform quantum key distribution with the other of the second quantum transmitter/receiver pair.

一种基于实时信道评估的量子密钥分发方法及系统

Resumen de: CN122640123A

0001 本发明公开了一种基于实时信道评估的量子密钥分发方法及系统，属于量子通信技术领域，包括：通信双方预先协商非正交量子探测态对及其理论跳变概率，并建立攻击指纹库；发送端在每个周期内按评估开销比发送探测态、测试态和密钥态；接收端根据探测态的测量结果计算量子态保真度异常向量；将该异常向量与攻击指纹库匹配，输出对各类攻击的识别置信度；基于识别置信度动态调整下一周期的评估开销比和协议偏转角；最后，结合识别置信度与实测误码率进行隐私放大，生成最终安全密钥。本发明通过实时感知信道状态并动态调整系统参数，能够有效识别特定攻击类型，自适应平衡安全性与密钥生成效率，从而提升量子密钥分发系统的整体性能和抗攻击能力。

车辆控制数据传输方法及车辆

Resumen de: CN122640115A

本申请实施例提供了一种车辆控制数据传输方法及车辆，涉及车辆技术领域。该方法包括：通过REE模块接收终端发送的数字钥匙信息；通过TEE模块在数字钥匙信息指示终端具备后量子密码加密能力的情况下，从终端接收加密后的数字钥匙；通过TEE模块对加密后的数字钥匙进行解密，得到数字钥匙；通过TEE模块对量子数字签名和操作权限进行验证，并在验证通过后，输出操作请求对应的操作指令。通过将后量子密码加密算法适配到车机处理器中，使得车辆在传输数据时采用量子加密的方式进行加密，达到了有效防止量子攻击的目的，进而解决了相关技术中由于采用传统公钥密码无法有效防止量子攻击导致车辆控制数据传输过程中安全性较差的技术问题。

一种基于QKD与TEE的数据中心安全通信与训练推理系统及方法

Resumen de: CN122640109A

本发明公开了一种基于QKD与TEE的数据中心安全通信与训练推理系统及方法，通过量子密钥分发设备实现量子密钥协商、存储与调度，以量子密钥作为身份认证与业务加密的统一密钥源，采用国密算法完成点对点动态身份认证与高频换钥加密传输；在城市数据中心内设可信执行环境管控模块，配置相互隔离的训练域与推理域，通过单向发布模块实现训练产物单向传输并禁止推理域反向访问原始数据；依托数据生命周期管理与审计模块完成数据资产化管控、定期销毁与全程留痕。本发明可实现跨数据中心高安全保密通信、AI模型协同训练与安全推理，兼顾数据安全、传输效率与合规管控，适用于多行业数据中心接入可信数据空间开展协同计算的场景。

基于量子密钥消耗预测的密码资源调度方法

Resumen de: CN122640128A

0001 本公开提供一种基于量子密钥消耗预测的密码资源调度方法，其包括接收控制类密码服务请求，为紧急控制请求生成闭环编号并计算闭环归属时间窗口，形成控制闭环密码事件链；确定各节点所需的量子随机数及密钥材料消耗量以及各项密码资源消耗参数，按照同一闭环编号汇总并在汇总时加入后续回令余量，查询候选设备组在各密码资源维度上的供给额度，核算候选设备组的覆盖程度，生成闭环资源保留结果；生成连续回令调度指令集；按照各节点类型调用对应的密码服务以依次完成控制闭环密码事件链中各节点的密码运算，释放闭环资源保留标识并输出控制闭环密码资源调度结果，该方法将调度对象从单次指令扩展为完整闭环，保障紧急控制过程的连续性。

認証

Resumen de: GB2632647A

A method for mutual authentication between a first party and a second party. The method comprises: generating a current shared key by exchanging one or more messages between the first and second parties; and authenticating the current shared key based on a previously authenticated shared key. In some examples, the current shared key may be authenticated based on both the previously authenticated shared key and the current shared key, and/or based on at least one secret value (e.g. random number) obtained by the first party and/or the second party. In some examples, authenticating the current shared key may comprise exchanging one or more messages between the first and second parties, wherein at least one of the messages is generated based on one or more of: the current shared key; the previously authenticated shared key; and the at least one secret value. In some examples, when the current shared key is determined to be authenticated, the current shared key may be stored to be used as a previously authenticated shared key when authenticating a new current shared key. Figures 3, 4 & 5 disclose different embodied variations with or without random numbers or with generating more than one new shared key.

一种基于格优化的抗量子区块链防护方法及系统

Resumen de: CN122640099A

0001 本发明提供一种基于格优化的抗量子区块链防护方法及系统，属于区块链安全技术领域。针对现有区块链在量子计算环境下安全性不足的问题，本发明基于LWE难题构建格映射体系，包括：S1、设定格空间维度 和模数 ，在有限域 内生成低范数短向量作为用户私钥向量 ；S2、获取交易信息，经哈希算法动态生成与交易唯一对应的格基矩阵 ，注入离散高斯噪声向量 ，基于格基矩阵 、用户私钥 、离散高斯噪声向量 执行格加密运算生成抗量子数字签名 ；S3、基于格基矩阵 、用户私钥 、�

一种多方协同签名方法、验证方法及装置

Resumen de: CN122640138A

本申请提供了一种多方协同签名方法、验证方法及装置，其中，多方协同签名方法包括步骤：获取若干参与方的后量子签名密钥对；其中，所述参与方持有对应的私钥与公钥；将全部所述公钥绑定至同一主体生成组合证书；其中，所述组合证书带有全部所述参与方共同授权的签名策略；依据所述签名策略通过满足门限数量的所述参与方协同执行在线签名协议，生成组合签名值；依据所述组合证书与所述组合签名值生成签名结果。通过组合证书身份绑定、组合消息代表统一编码与在线承诺交互协议的协同设计，无需改造标准后量子签名算法内核即可实现多方共同授权，每个单方签名均可直接通过未修改的标准后量子验证器完成校验。

基于公共交换电话网络传输的模拟加密电话终端及方法

Resumen de: CN122640499A

本发明公开了一种基于公共交换电话网络传输的模拟加密电话终端，涉及模拟通信技术领域，包括：模拟线路接口模块、模拟语音模块、电源滤波模块、供电控制模块、加密处理模块、信号耦合与隔离模块、振铃检测模块、人机交互模块。本发明方法通过物理加密按键直接控制NMOS管通断安全加密芯片电源与使能引脚的纯硬件开关，以及外接独立电源供电与信号耦合变压器隔离直流，解决了现有模拟加密电话依赖软件控制易被旁路、机械继电器切换可靠性差及挂机后密钥无法彻底物理销毁的技术问题。

安全通信方法及装置

Resumen de: CN122640120A

0001 本说明书一个或多个实施例提供一种安全通信方法及装置，该方法通过在服务端确定不采用客户端指示的第一密钥协商算法时，主动生成第二密钥协商算法对应的第二密钥对，并将第二密钥协商算法的标识和第二公钥携带在重试请求消息中发送给客户端，使得客户端能够利用该第二公钥直接执行密钥封装算法得到会话密钥，并在随后的第二握手消息中直接携带利用该会话密钥加密的业务数据。

基于区块链的数据处理方法、装置、设备和可读介质

Resumen de: CN122640156A

本申请公开了一种基于区块链的数据处理方法、装置、设备和可读介质，所述区块链包括终端设备，所述终端设备包括主处理器和协处理器；所述方法包括：通过主处理器根据业务交易指令生成密码学运算指令，并将密码学运算指令下发至协处理器；通过协处理器接收密码学运算指令，并识别密码学运算指令的指令类型；所述指令类型用于指示密码学运算指令对应的密码学运算类型；通过主处理器执行业务交易指令，并通过协处理器根据指令类型执行密码学运算指令。本方案通过主处理器与集成式协处理器的协同架构，实现了业务交易与密码学运算的并行执行，大幅提升了区块链终端的整体数据处理速度与并发能力，避免了主处理器被大量密码学运算任务阻塞。

一种面向SSH协议的抗量子用户认证方法及系统

Resumen de: CN122640113A

0001 本发明公开一种面向SSH协议的抗量子用户认证方法及系统，属于信息安全技术领域。该方法包括：基于用户认证请求，生成抗量子密码的密钥封装密文与第一客户端认证证明；其中，用户认证请求包括用户名、客户端声明使用的认证算法、客户端指定的KEM算法名称及用户抗量子公钥；将密钥封装密文、认证算法及用户抗量子公钥发送给客户端，以使客户端生成并返回第二客户端认证证明；通过对比第一客户端认证证明和第二客户端认证证明的一致性来完成对客户端的用户身份认证。本发明可以最大限度兼容现有SSH协议生态与各类运维业务场景，实现密码算法的平滑迭代与无缝迁移，在保障抗量子安全能力的同时，大幅降低协议改造、设备适配与规模化部署的实施成本。

一种变分量子攻击过程的基准化方法

Resumen de: CN122640117A

0001 本申请提供了一种变分量子攻击过程的基准化方法，包括：将变分量子攻击过程分解为四个功能独立的模块：初始态制备模块、参数化量子电路设计模块、代价函数构造模块和经典优化策略模块；从每个模块的候选设计集合中，为每个模块选择一种设计，以形成一种变分量子攻击配置；在标准化的仿真环境下，利用量子处理器和经典计算机执行所述变分量子攻击配置，以针对目标对称密码进行密钥恢复；使用一个多维度评估指标集记录所述变分量子攻击配置的性能数据。应用本申请可以可以实现对不同变分量子攻击过程的基准化，实现不同变分量子攻击配置之间的公平比较。

一种基于量子安全网关的无人数据传输系统及其工作方法

Resumen de: CN122640721A

0001 本申请公开了一种基于量子安全网关的无人数据传输系统及其工作方法，该系统包括通过无线相互连接的地面端和无人端，地面端包括密钥中心和依次连接的地面控制站、交换机、地面量子安全网关和第一通讯设备，密钥中心与交换机连接；无人端包括依次连接的第二通讯设备、机载量子安全网关和无人终端；第一通讯设备与第二通讯设备通过无线相互连接。本发明采用基于量子安全网关的身份认证与对称密钥在线分发机制，避免了线下新对称密钥注入过程中可能存在的接触风险等安全隐患；同时，通讯设备根据数据类型进行差异化转发，从而避免将所有数据混合在同一逻辑或物理通道中传输，实现数据流的分流与调度，降低通道拥塞概率。

一种扭Gabidulin码与AMD码结合的编译码方法及系统

Nº publicación: CN122639947A 25/08/2026

Solicitante:

电子科技大学

Resumen de: CN122639947A

0001 本发明提出了一种将扭Gabidulin码与代数操纵检测码相结合的秩度量编码与列表解码方法。编码阶段通过计算代数操纵检测标签，并将消息、随机元素及标签共同嵌入扭线性化多项式系数，在评估点处求值得到码字，可选地引入显式子空间设计以提升码率。解码阶段利用线性代数插值恢复候选多项式集合，并结合扭关系与检测标签进行一致性验证，实现唯一恢复或判定失败。该方法在较高秩错误条件下仍具可控列表规模和接近最优的码率，编码解码复杂度为多项式时间，同时具备纠错与主动操纵检测能力，适用于网络编码、分布式存储及高安全通信场景。