Data transmission method, device and system

A data transmission method and data technology, applied in the field of network communication, can solve the problems of long time-consuming encryption and decryption, information security problems, etc., and achieve the effects of avoiding long encryption and decryption time, improving efficiency, and simplifying the encryption process.

Active Publication Date: 2017-08-11
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a data transmission method, device and system to solve the problem of information security in the prior art and the time-consuming problem of encryption and decryption

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

Examples

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Embodiment Construction

[0065] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0066] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a data transmission method, a data transmission device and a data transmission system. The method comprises the steps of generating an asymmetrical secret key pair including a first public key and a first private key, and sending a data request carrying the first public key to a server side; receiving a ciphertext and a second public key sent by the server side, wherein the second public key is the public key in the asymmetrical secret key pair acquired by the server side, the asymmetrical secret key pair acquired by the server side also comprises a second private key, the ciphertext is information generated by encrypting a seed parameter used for generating an offline payment code by using a sharing secret key, and the sharing secret key is the secret key by using a preset secret key negotiation algorithm according to the second private key and the first public key; and generating the sharing secret key by using the secret key negotiation algorithm according to the first private key and the second public key, using the sharing secret key to decrypt the ciphertext, thus acquiring the seed parameter. According to the method, the device and the system provided by the invention, security of the data during a whole transmission process is ensured, and decryption and encryption efficiency is also improved.

Description

technical field [0001] The present application relates to the technical field of network communication, in particular to a data transmission method, device and system. Background technique [0002] Nowadays, people pay more and more attention to the security of data, especially the security of data during transmission. Taking offline payment as an example, the server device can send a policy for generating a payment code to the client device, and the client device stores the policy. When the user needs to use the payment code, the client device can use the policy to generate the payment code. The merchant scans the payment code through the scanning device, and the scanning device transmits the scanned information to the server device for verification. After the verification is passed, the payment is deducted. It can be seen that in the process of transmitting policies from the server device to the client device, it is necessary to ensure the security of the channel between ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L29/06
CPCH04L9/0838H04L9/085H04L63/0428H04L9/0825H04L9/0861G06Q20/401G06Q2220/00G06Q20/20G06Q20/382G06Q20/327G06Q20/204G06Q20/085G06Q20/3829G06Q20/4097H04L9/0841H04L9/3073H04L9/14G06Q20/40
Inventor 孟飞
Owner ADVANCED NEW TECH CO LTD
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