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Encryption/decryption method and system

An encryption method and encryption key technology, applied in the field of image processing, can solve the problems of illegal download, watermark affecting the appearance, easy to be removed, etc., to prevent theft and improve security.

Active Publication Date: 2018-12-21
UXIN SHUXIANG BEIJING INFORMATION TECH CO LTD
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Problems solved by technology

When the pictures are displayed on the public platform, the author just hopes to share these pictures with everyone, but some people will illegally download and steal these pictures for profit without the author's authorization
[0003] At present, the existing method to prevent pictures from being stolen is mainly to add watermarks to pictures, but watermarks not only affect the appearance but also can be easily removed, and when others only crop part of the picture for use, there is no way to prove the copyright of the picture

Method used

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  • Encryption/decryption method and system
  • Encryption/decryption method and system
  • Encryption/decryption method and system

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Embodiment Construction

[0076] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0077] Such as figure 1 As shown, an encryption method is introduced in the embodiment of the present invention. First, the pixel array of the picture to be encrypted is established, and secondly, the pixel array of the picture to be encrypted is equally divided into one or more grid arrays, and then, in The same encrypted in...

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Abstract

The invention discloses an encryption and decryption method and a system. The encryption method comprises the following steps: establishing a pixel array of a picture to be encrypted; dividing the pixel array of the picture to be encrypted into one or more grid arrays; adding the same encrypted information into the grid array to obtain the encrypted pixel array; configure the encrypted picture based on the encrypted pixel array. Using the encryption, the decryption method can not only prevent the picture from being stolen, but also does not affect the picture display.

Description

technical field [0001] The invention belongs to the field of image processing, in particular to an encryption and decryption method and system. Background technique [0002] With the improvement of intellectual property awareness, people pay more and more attention to the copyright of personal works, such as photographs taken, images drawn, etc. When the pictures are displayed on the public platform, the author just hopes to share these pictures for everyone to see, but some people will illegally download and steal these pictures without the authorization of the author for profit. [0003] The existing method to prevent pictures from being stolen is mainly to add a watermark to the picture, but the watermark not only affects the appearance but also is easy to be removed, and when someone only cuts a part of the picture for use, there is no way to prove the copyright of the picture. Contents of the invention [0004] The technical problem to be solved by the present invent...

Claims

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Application Information

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IPC IPC(8): H04N1/32H04N1/44G06F21/16
CPCG06T1/0021G06F21/10
Inventor 刘冬青崔顶峰巩仔明邱慧
Owner UXIN SHUXIANG BEIJING INFORMATION TECH CO LTD
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