Patents by Inventor Kejie ZHANG

Kejie ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12184733
    Abstract: Provided is a method for communication, which includes steps of: receiving a first information from a first node via a first connection with the first node; and transmitting a first information to at least one other node. A connection initiator of the first connection is the first node. The first information includes an address of the first node within a target network domain, the target network domain is a network domain in which the at least one other node is located, and the at least one other node is a node other than a second node in a network partition to be joined by the first node. The address of the first node within the target network domain is used by the first node to establish a connection with the at least one other node.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: December 31, 2024
    Assignee: HANGZHOU QULIAN TECHNOLOGY CO., LTD.
    Inventors: Xuan Shang, Maifang Hu, Yuan Tao, Fanglei Huang, Kejie Zhang
  • Patent number: 12126733
    Abstract: Disclosed are an interactive aggregate signature method, and a device and a storage medium, which relate to the technical field of data encryption. The method comprises: S101, generating a challenge number according to random numbers of all participating terminals, and respectively sending the random numbers corresponding to the participating terminals, the challenge number and a proposal message to corresponding participating terminals; S102, receiving a message from the participating terminals, and if partial signatures are included in the message, recording the partial signatures; S103, determining whether the number of recorded partial signatures reaches a number required for passing of the proposal message; if so, proceeding to S104, involving generating an aggregate signature by means of the partial signatures; and if not, outputting that the proposal message fails to be passed and an aggregate signature cannot be generated, or repeating steps S101 to S103.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: October 22, 2024
    Assignee: HANGZHOU QULIAN TECHNOLOGY CO., LTD.
    Inventors: Weiwei Qiu, Wei Li, Kejie Zhang, Fanglei Huang, Xiaoke Wang
  • Publication number: 20240320203
    Abstract: A method for data processing, a database system, computer equipment and a storage medium. The method includes: by a first device, obtaining global page identifiers of n target data nodes to which a data modification set needs to be distributed, generating n pieces of mapping information corresponding to the n target data nodes, and sending the same to a management module; by the management module, generating n pieces of data modification information corresponding to the n pieces of mapping information, and sending data modification tasks in the n pieces of data modification information to second devices identified by second device identifiers in the n pieces of data modification information, so as to instruct the second devices to update data nodes.
    Type: Application
    Filed: March 22, 2024
    Publication date: September 26, 2024
    Inventors: Kejie ZHANG, Fanglei HUANG, Wei GUO, Weiwei QIU, Maifang HU
  • Publication number: 20240223664
    Abstract: Provided is a method for communication, which includes steps of: receiving a first information from a first node via a first connection with the first node; and transmitting a first information to at least one other node. A connection initiator of the first connection is the first node. The first information includes an address of the first node within a target network domain, the target network domain is a network domain in which the at least one other node is located, and the at least one other node is a node other than a second node in a network partition to be joined by the first node. The address of the first node within the target network domain is used by the first node to establish a connection with the at least one other node.
    Type: Application
    Filed: August 11, 2022
    Publication date: July 4, 2024
    Applicant: HANGZHOU QULIAN TECHNOLOGY CO., LTD.
    Inventors: Xuan SHANG, Maifang HU, Yuan TAO, Fanglei HUANG, Kejie ZHANG
  • Publication number: 20230334930
    Abstract: Provided are a consensus method and apparatus for a blockchain, a server and a storage medium. A checkpoint round is designed without waiting for transaction execution results of all nodes in each consensus round so as to reduce the impact of transaction execution on consensus and improve consensus stability. A newly created block comprises an execution result and status of a preorder block of the blockchain. Only the consistency of the newly created block is verified to avoid wasting memory resources and computing resources. The checkpoint round can be customized to improve the scalability of consensus algorithms.
    Type: Application
    Filed: June 23, 2023
    Publication date: October 19, 2023
    Inventors: Weiwei QIU, Wei LI, Fanglei HUANG, Kejie ZHANG, Hao DUAN
  • Publication number: 20230033216
    Abstract: The present application provides a pipeline-friendly signature and verification method, a device and a storage medium. The method includes the following steps: generating, by the Witness node, a public-private key pair including a private key and a public key, through a basic signature algorithm, and sending the public key to other Witness nodes; selecting, by the Witness node, a random number, and sending V to a Leader node; receiving C sent by the Leader node; calculating a message digest through the basic signature algorithm and a message hash algorithm, according to the C and the public key, and then calculating ps, and sending the ps to the Leader node.
    Type: Application
    Filed: October 10, 2022
    Publication date: February 2, 2023
    Applicant: HANGZHOU QULIAN TECHNOLOGY CO., LTD.
    Inventors: Weiwei QIU, Wei LI, Kejie ZHANG, Fanglei HUANG, Peiyang QIAO
  • Publication number: 20220337429
    Abstract: Disclosed are an interactive aggregate signature method, and a device and a storage medium, which relate to the technical field of data encryption. The method comprises: S101, generating a challenge number according to random numbers of all participating terminals, and respectively sending the random numbers corresponding to the participating terminals, the challenge number and a proposal message to corresponding participating terminals; S102, receiving a message from the participating terminals, and if partial signatures are included in the message, recording the partial signatures; S103, determining whether the number of recorded partial signatures reaches a number required for passing of the proposal message; if so, proceeding to S104, involving generating an aggregate signature by means of the partial signatures; and if not, outputting that the proposal message fails to be passed and an aggregate signature cannot be generated, or repeating steps S101 to S103.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Applicant: HANGZHOU QULIAN TECHNOLOGY CO., LTD.
    Inventors: Weiwei QIU, Wei LI, Kejie ZHANG, Fanglei HUANG, Xiaoke WANG