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公开(公告)号：EP4346256A1
公开(公告)日：2024-04-03
申请号：EP22909697.9
申请日：2022-12-01
发明人： ZHANG, Wanqiao , HUANG, Lin , NIE, Juhu , JIAN, Yunding , FU, Wei , CAO, Hongjian , LIU, Yujia
IPC分类号： H04W12/06 , H04W12/084 , H04L9/32
摘要： Embodiments of this specification provide methods and apparatuses for implementing a one-touch login service. In the method, information about a first IP address is obtained from a verification request sent by an application client device, a token is sent to the application client device, information about a second IP address is obtained from a number acquisition request sent by an application server, whether the first IP address is the same as the second IP address is determined, and if the first IP address is the same as the second IP address, a mobile phone number of a terminal device in which the application client device is located is obtained based on a token carried in the number acquisition request, and the mobile phone number is sent to the application server, or if the first IP address is different from the second IP address, the mobile phone number of the terminal device is refused to be sent to the application server. In the embodiments of this specification, the security of a one-touch login service can be improved, and leakage of private data of a user can be prevented.
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公开(公告)号：EP4319229A1
公开(公告)日：2024-02-07
申请号：EP22857477.8
申请日：2022-07-12
发明人： CAO, Hongjian , ZHANG, Wanqiao , HUANG, Lin , JIAN, Yunding , FU, Wei , LIU, Yujia
IPC分类号： H04W12/03
摘要： Embodiments of this specification provide a communication channel management method and apparatus. A specific embodiment of the method is performed by a wireless access point (AP) device, including the following steps: At the wireless access point (AP) device end, an original management frame that carries a target information element is constructed, where the target information element includes an information element related to communication channel management. When it is determined that one or more clients are connected to the AP device, for each client connected to the AP device, a target address of the constructed management frame is set to a MAC address of the client, and information in the target information element is encrypted by using a key corresponding to the client. Then, the management frame obtained after address setting and encryption is sent in a WiFi network.
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公开(公告)号：EP4319222A1
公开(公告)日：2024-02-07
申请号：EP22773953.9
申请日：2022-02-18
发明人： HUANG, Lin , JIAN, Yunding , FU, Wei , CAO, Hongjian , ZHANG, Wanqiao , LIU, Yujia
IPC分类号： H04W4/80
摘要： Embodiments of this specification provide an application layer key generation method and apparatus. According to the method in the embodiments, a connection mode used when a Bluetooth connection to an external Bluetooth device is established is first determined, an application layer key generation function is determined according to the determined connection mode, a link layer dynamic parameter used at a link layer is obtained, an application layer key identifier agreed upon with the external Bluetooth device is obtained, and an application layer key is generated by using the application layer key generation function, the link layer dynamic parameter, and the application layer key identifier.
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公开(公告)号：EP4300890A1
公开(公告)日：2024-01-03
申请号：EP23180965.8
申请日：2023-06-22
发明人： LEI, Xinxin , CHEN, Jinfu , WAN, Xiaofei
IPC分类号： H04L9/40 , H04W12/06 , H04W12/08 , H04W12/122 , H04L9/00
摘要： This disclosure relates to a method and a system for recognizing a disguised device. A client of an application is installed on the device for interacting with the application, and the method includes: receiving environment information associated with the device and a device ID associated with the device in response to an interaction with the application from the device; determining whether the device ID exists in a prestored association table of a unique environment identifier and a device ID; and if the device ID does not exist in the association table, calculating a unique environment identifier associated with the device based on the environment information; searching the association table for a device ID associated with the unique environment identifier by using the unique environment identifier; and determining, based on a quantity of different identified device IDs associated with the unique environment identifier, whether the device is disguised.
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公开(公告)号：EP4287553A1
公开(公告)日：2023-12-06
申请号：EP23176363.2
申请日：2023-05-31
发明人： ZHENG, Xianyi , WAN, Xiaofei , XIN, Zhi , XU, Dengwei
IPC分类号： H04L9/08
摘要： Some embodiments of this specification provide data processing methods, apparatuses, and devices. The method includes: establishing a secure channel with a terminal device based on the same channel establishment rule as that of a secure element of the terminal device; sending a service key and an identifier of the service key to the terminal device through the secure channel; receiving a key identifier of a target service key, service ciphertext information, and a service session key ciphertext sent by the terminal device; determining the target service key based on the key identifier of the target service key, obtaining a service session key based on the target service key and the service session key ciphertext, and obtaining service data of a target service based on the service session key and the service ciphertext information so as to perform service processing on the target service based on the service data of the target service.
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公开(公告)号：EP4283917A1
公开(公告)日：2023-11-29
申请号：EP23175075.3
申请日：2023-05-24
发明人： LIU, Yingting , WANG, Li , WANG, Lei
摘要： Some embodiments of this specification provide privacy-preserving multi-party joint data clustering methods and apparatuses. A first party and a second party hold a first feature matrix and a second feature matrix for forming an overall feature matrix of all sample objects to be clustered, respectively. The method is performed by the first party and includes a plurality of rounds of iterations, and each round of iterations includes: performing a first multi-party secure calculation with the second party based on the first feature matrix and a first centroid partition to obtain a first distance partition of a distance matrix, where a second distance partition of the distance matrix is held by the second party; performing a secure comparison calculation based on the first distance partition and the second distance partition held by the second party to obtain a first index partition of a cluster index matrix, where a second index partition of the cluster index matrix is held by the second party; and performing a second multi-party secure calculation with the second party based on the first feature matrix and the first index partition to obtain an updated first centroid partition in the current round of iterations, where an updated second centroid partition is held by the second party.
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公开(公告)号：EP4283549A1
公开(公告)日：2023-11-29
申请号：EP22742064.3
申请日：2022-01-13
发明人： ZHU, Bingying , XIN, Zhi , YUAN, Wei , WAN, Xiaofei
IPC分类号： G06Q20/38
摘要： Embodiments of this specification provide a payment service implementation method and apparatus. According to the method in the embodiments, when a payment service is performed, anonymous processing needs to be performed on original payment account information. First, a random number is used to perform transform processing on the original payment account information, so that information encrypted each time by using a public key is different. Then, the public key and an encryption algorithm obtained in advance are used to encrypt payment account information obtained after the transform processing, so as to obtain anonymous payment account information, thereby completing an anonymous processing process. After anonymous processing is completed, the obtained anonymous payment account information may be used to perform a payment operation.
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公开(公告)号：EP4265484A1
公开(公告)日：2023-10-25
申请号：EP23168783.1
申请日：2023-04-19
发明人： LIU, Fuhu
IPC分类号： B60R25/24
摘要： One or more embodiments of this specification disclose a vehicle control method and apparatus. The method includes the following: a first control operation corresponding to a first parameter threshold is performed on a target vehicle when it is detected that a first parameter between an electronic device and the target vehicle meets a triggering condition for the first parameter threshold corresponding to the target vehicle; a second parameter threshold corresponding to the target vehicle is adjusted from an initial threshold to a target threshold to increase a difference between the first parameter threshold and the second parameter threshold; and a second control operation corresponding to the second parameter threshold is performed on the target vehicle when it is detected that the first parameter meets a triggering condition for the target threshold.
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公开(公告)号：EP4262134A1
公开(公告)日：2023-10-18
申请号：EP23167642.0
申请日：2023-04-12
发明人： LU, Yufei , WANG, Lei , ZHANG, Lei , CUI, Jinming
IPC分类号： H04L9/00
摘要： Embodiments of this specification provide computer-implemented methods, apparatuses, computer-readable media and systems for secure multi-party computation. According to an example computer-implemented method, a first party performs a first mapping operation and homomorphic encryption on first plaintext data to obtain a first converted ciphertext in a Montgomery state, where the first mapping operation converts data from an integer ring to the Montgomery state. The first party sends the first converted ciphertext to a second party. Then, the second party performs a first homomorphic operation in the Montgomery state based on the first converted ciphertext to obtain a first result ciphertext in the Montgomery state, where the first homomorphic operation includes a modular multiplication operation.
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公开(公告)号：EP4062356A1
公开(公告)日：2022-09-28
申请号：EP20956525.8
申请日：2020-10-09
发明人： MA, Qisheng , JIN, Feifei , TAO, Xuan
IPC分类号： G06Q40/04
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