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A Genetic Tracking Method Based on Encrypted Documents

A document and gene technology, applied in the fields of instruments, electronic digital data processing, digital data protection, etc., can solve the problem of inability to trace the source of documents

Active Publication Date: 2018-07-24
FOCUS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method mainly solves the problem of encrypting and decrypting documents in the server, and cannot track the source of encrypted documents

Method used

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  • A Genetic Tracking Method Based on Encrypted Documents
  • A Genetic Tracking Method Based on Encrypted Documents

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] The present invention is based on an encrypted file gene tracking method: comprising the following steps:

[0040] (1) Obtain the machine serial number and current login user information through the encoding rules, encode them, and locate the coordinates of four points, and the four coordinate points form a rectangle.

[0041] (2) Through the number and character encoder, convert to binary number, for example: 012 345 67 is converted to binary:

[0042] 012 is converted to 0000001100;

[0043] 345 into 0101011001;

[0044] 67 turns into 1000011.

[0045] After integrated format: 0000001100 0101011001 1000011

[0046] Convert the number of numbers into binary: 0-7 is 8 numbers, and binary is 0000001000

[0047] Set the unified flag 0001 to represent the digital code, 0010 to represent the character code,

[0048] After integration: 0001 0000001000 0000001100 0101011001 1000011.

[0049] (3) Transcode the characters through a character transcoder, for example: AC-42...

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Abstract

A genetic tracking method based on an encrypted document, comprising the following steps: 1) Encoding the acquired machine serial number and current login user information through encoding rules, and locating the coordinates of four points, forming a rectangle by four coordinate points; The numbers or / and characters of the coordinate points are encoded, and the number of numbers is converted into binary during conversion; the unified flag 0001 is set to represent the digital encoding, and 0010 is the character encoding. 3) The characters are encoded, and each The group is converted into 11bits binary: set the unified flag bit 0010, 0010 represents the character code; 4) generate a complement code; 5) generate an encrypted image, automatically scale according to the size of the printed document, initialize the image position, and set the four coordinate origins Fix at the relative position and maintain a square state; 6) Group data codes for error correction; 7) Structure data positioning.

Description

technical field [0001] The invention is a gene tracking method based on encrypted documents, which is aimed at the output of encrypted documents of companies and institutions, and can be traced to specific sources and identified by passwords. Background technique [0002] As the development company produces many important external and internal documents, if the encrypted documents leak out, we can find the source of the outflow, so it is necessary to track the leaked source through an encrypted document gene. [0003] The existing genetic tracking methods of encrypted documents in China, especially for enterprise level, can only compare or encrypt documents for modification of documents, and cannot track the source of documents, so they are relatively low in terms of security. ,for example: [0004] Chinese patent 201110005756.1 provides a method for generating and updating the unique identifier of an encrypted document. The method divides the document into segments, and ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60
CPCG06F21/602
Inventor 徐飞郭选陵
Owner FOCUS TECH