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Method for losslessly carrying information in any byte data

A technology of arbitrary bytes and data, applied in the field of communication, can solve the problems of inability to hide information and do not know the type of data, and achieve the effect of improving information hiding performance, achieving low complexity and unique technical solutions.

Active Publication Date: 2020-12-08
XIAN INSTITUE OF SPACE RADIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes, the data we get is just byte data (byte stream or bit stream), we don’t know the data type, and we can’t use the type characteristics of images, voices, and texts to hide information

Method used

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  • Method for losslessly carrying information in any byte data

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Experimental program
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Embodiment Construction

[0029] In order to verify the performance of the algorithm proposed in this paper, an 8-bit grayscale image H with a size of 512×512 is used in the simulation experiment to carry out information transmission and recovery with the method of the present invention.

[0030] Secret information is arbitrary data: images or other data.

[0031] Example:

[0032] For image format data (length in bytes), each pixel is composed of 8 bits to form a byte, or every LSB of 8 bytes forms a byte.

[0033] Select data that has the following characteristics or data that has been processed to:

[0034] (1) Dataset 1:

[0035] 000XX000

[0036] 001XX001

[0037] 010XX010

[0038] 011XX011

[0039] 100XX100

[0040] 101XX101

[0041] 110XX110

[0042] 111XX111

[0043] The original data is:

[0044] 00XX0000 is 000XX000 after being rotated left by 1 bit

[0045] 01XX0010 is 001XX001 after circularly shifted left by 1 bit

[0046] 10XX0100 is 010XX010 after circularly shifted left by ...

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Abstract

The invention provides a method for losslessly carrying information in any byte data, information carrying (hiding) transmission can be carried out in the byte data in any format, and the data volumeis not changed; information can be extracted in a lossless mode and carrier data can be recovered in a lossless mode while carrying and hiding are carried out. Redundant bits in any type of data fileare searched according to a byte format, lossless information hiding in any byte of data is realized by utilizing a small amount of mark information, and the information hiding capacity is only related to the structure of the data. The typical carrying (hiding) capacity is between 3.75% and 37.5%, and the method is suitable for carrying (hiding) transmission occasions of various original data transmission systems, compressed data and other types of data.

Description

technical field [0001] The invention relates to a method of data communication, in particular to a method of embedding information into arbitrary byte data for lossless transmission, belonging to the field of communication (such as data communication technology, etc.). Background technique [0002] The current society is an information society, and the issue of information security has become an increasingly urgent issue. Information hiding (data hiding) is an important branch of information security. It uses human visual redundancy to embed secret information into the carrier to achieve security. The purpose of transmitting confidential information or improving the efficiency of data transmission. [0003] With the development of science and technology, the efficient transmission of image data and the security of transmission are becoming more and more important. Through information hiding (also known as data hiding) technology, it is possible to embed secret information i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/467H04L9/08
CPCH04N19/467H04L9/0861
Inventor 周诠刘娟妮刘梦瑶张怡李琪呼延烺魏佳圆
Owner XIAN INSTITUE OF SPACE RADIO TECH
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