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Verification code generation method and device

A technology for generating devices and verification codes, which is applied in the direction of secure communication devices, digital data authentication, digital transmission systems, etc., can solve the problems that the verification method cannot meet the use requirements of character terminals and has large limitations, so as to meet the use requirements and improve security sexual effect

Active Publication Date: 2020-01-10
SHENZHEN GONGJIN ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present application provides a method and device for generating a verification code, which can solve the problem that the verification method in the prior art cannot meet the use requirements of character terminals in practical applications, and there are relatively large limitations

Method used

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  • Verification code generation method and device
  • Verification code generation method and device

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Embodiment Construction

[0068]In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0069] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other Presence or addition of features, wholes, steps, operations, elements, components and / or collections thereof.

[0070] It should ...

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Abstract

The invention is suitable for the technical field of computer application, and provides a verification code generation method and device, and the method comprises the steps: generating a character sequence, wherein the character sequence is composed of letters and numbers; extracting code types corresponding to characters in the character sequence from a preset code type library; and deforming andcombining the code types to obtain the verification code. Through determining code type corresponding to a character sequence, deforming and combining the code types to obtain a verification code; and finally, generating a character matrix consisting of characters. In the character matrix, the characters with contrast form the image which can be recognized by human eyes and is composed of the characters, the requirement that the characters can be recognized by human beings but are difficult to recognize by machines is met through the display mode of the image, the use requirement of the character terminal is met, and the safety of verification code verification in the character terminal is also improved.

Description

technical field [0001] The present application belongs to the technical field of computer applications, and in particular relates to a verification code generation method and device. Background technique [0002] The traditional picture-based verification code technology has been widely used in webpages, application logins, user verification and other environments with picture display capabilities. It is a mature method that can prevent mechanical brute force cracking and enhance the security of weak passwords. However, in environments such as serial ports, remote terminal protocols, and secure shell protocols, where only characters can be displayed, this method of displaying verification codes through pictures is useless. However, in many resource-constrained devices, character terminals It is the only way of remote interaction. For example, on the character terminal of the bank, the login and verification can only be realized through character verification. Therefore, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L29/06G06F21/36G06F21/45
CPCH04L9/0863H04L63/0815H04L63/0838G06F21/36G06F21/45
Inventor 赖宇航
Owner SHENZHEN GONGJIN ELECTRONICS CO LTD
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