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Data transmission method, device, equipment and storage medium

A data transmission method and data technology, applied in the field of communication, can solve the problems of multi-processing resources, high computational complexity, consumption, etc.

Active Publication Date: 2022-05-31
HANGZHOU QULIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the k-choose-1-OT protocol has high computational complexity and consumes more processing resources

Method used

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  • Data transmission method, device, equipment and storage medium
  • Data transmission method, device, equipment and storage medium
  • Data transmission method, device, equipment and storage medium

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Experimental program
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Embodiment Construction

[0087] In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0088] It should be understood that the "plurality" mentioned in this application refers to two or more. In addition, in order to facilitate the clear description of the technical solutions of the present application, words such as "first" and "second" are used to distinguish the same items or similar items with basically the same function and effect. Those skilled in the art can understand that the words "first", "second" and the like do not limit the quantity and execution order, and the words "first", "second" and the like are not necessarily different.

[0089] Before explaining the embodiments of the present application in detail, the application scenarios of the embodiments of the present application are described first.

[0090] T...

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Abstract

The application discloses a data transmission method, device, equipment and storage medium, belonging to the technical field of communication. Including: generating a first key pair including a first public key, a first private key and a first modulus, the first modulus is the same as the second modulus in the second key pair generated by the second device, and the second The two-key pair includes a second public key, a second private key and a second modulus; use the first public key and the first modulus to encrypt each of the k original data, obtain k first data and send To the second device; receiving the second data sent by the second device, the second data is obtained by the second device using the second public key and the second modulus to encrypt the b-th first data among the k first data ; Decrypt the second data by using the first private key and the first modulus to obtain third data and send it to the second device. This application can perform data transmission under the condition of ensuring privacy and correctness, and the calculation complexity of this data transmission process is small, which can save processing resources.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a data transmission method, apparatus, device, and storage medium. Background technique [0002] OT (Oblivious Transfer) protocol is a basic protocol of cryptography. As a privacy-preserving two-way communication protocol, the OT protocol enables both parties to transmit data in a way that selects ambiguity. Specifically, the sender has k pieces of data, and the receiver has the right to select one piece of data from the k pieces of data. After the sender and the receiver execute the k-to-1-OT protocol, the receiver gets one piece of the k pieces of data. , the sender cannot know which data the receiver has obtained, and the receiver cannot know the other data in the k data except the obtained data, so the privacy of both parties can be protected. However, the k-to-1-OT protocol has high computational complexity and consumes more processing resources. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/30H04L9/40
CPCH04L9/0861H04L9/302H04L63/0428
Inventor 张帅邱炜伟李伟汪小益刘毅恒
Owner HANGZHOU QULIAN TECH CO LTD