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Typeface-lattice structure enciphering method and system

A technology of lattice structure and encryption method, applied in encoding/decoding devices, instruments, etc., can solve problems such as changes in the font lattice structure of the encrypted subject, and achieve the effect of encryption

Inactive Publication Date: 2011-08-17
刘畅 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the technical problem that the existing encryption method cannot substantially change the font lattice structure itself as the encryption subject, the present invention provides an encryption method that substantially changes the font lattice structure itself as the encryption subject

Method used

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  • Typeface-lattice structure enciphering method and system
  • Typeface-lattice structure enciphering method and system
  • Typeface-lattice structure enciphering method and system

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] refer to Figure 3-Figure 5 , Figure 3-Figure 5 is to use the encryption method of the present invention to figure 1 Each schematic diagram of the encrypted font lattice structure obtained after the font lattice structure shown is encrypted.

[0027] exist image 3 Among them, the 60 dot matrix units ("black" pixels) representing the strokes of the font in the font dot matrix structure 1 representing the word "person" are encrypted and rearranged to form the following image 3 The encryption font dot matrix structure 5 shown, encryption process can be realized by following concrete steps: select the dot matrix unit (" black " pixel) that represents font stroke line by line according to the horizontal direction of dot matrix arrangement and then with horizontal direction, vertical direction Rearrange or rearrange in a combination of horizonta...

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PUM

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Abstract

A font lattice structure encryption method and system includes selecting font stroke representing lattice unit; to make re-arrangement to said lattice unit, to make font stroke variation for generating ciphering font lattice structure. The present invention can make lattice structure generating substantive variation and unable identifying, thereby to realize font ciphering.

Description

【Technical field】 [0001] The present invention relates to an encryption method and an encryption system for a font lattice structure, in particular to an encryption method and an encryption system for substantially changing the font lattice structure itself as an encryption subject. 【Background technique】 [0002] There are two types of common fonts used in computer systems and associated printout systems: dot matrix fonts (bitmap fonts) and vector fonts. Wherein, the dot-matrix font is a font dot-matrix structure represented by a pixel as the minimum dot-matrix unit. In this font dot matrix structure, a specific font is represented by "black" pixels and "white" arranged in a certain order. In the computer font library, a two-bit (0-1) matrix is ​​used to represent the dot matrix structure of the font. Usually "0" represents the "white" pixel in the font lattice structure, and "1" represents the "black" pixel in the font lattice structure. refer to figure 1 , the charact...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09C1/00
Inventor 刘畅胡一刘江海
Owner 刘畅