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Batch data steganography method, terminal equipment and storage medium

A batch data and steganography technology, which is applied in the direction of instruments, character and pattern recognition, computer components, etc., to achieve the effect of improving the degree of concealment of steganography and increasing the time-consuming effect of steganography

Active Publication Date: 2019-07-26
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is limited to the steganographic behavior implemented on a single carrier signal and does not involve the allocation of embedding rates among multiple carrier signals

Method used

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  • Batch data steganography method, terminal equipment and storage medium
  • Batch data steganography method, terminal equipment and storage medium
  • Batch data steganography method, terminal equipment and storage medium

Examples

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Embodiment 1

[0058] reference figure 1 As shown, the first embodiment of the present invention provides a method for bulk data steganography, which includes: predicting the embedding rate of each carrier signal using feedforward control, and calculating the sub-messages that are implicitly written in each carrier signal in the message to be steganographic based on the embedding rate After the length of, each sub-message is steganographically written into the corresponding carrier signal to generate a steganographic signal. In addition, the carrier signal and the steganographic signal are selected to form the signal to be sent. The feedback control is used to filter each signal to be sent, and the feedback control is used to adjust the prediction carrier The parameter of signal embedding rate.

[0059] It includes the following steps:

[0060] S1: Set the steganographic classifier Ana, its model is: y=Ana(x), where x is the input signal, and the output signal y is the probability that the input ...

Embodiment 2

[0123] The present invention also provides a bulk data steganographic terminal device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor. The processor implements the computer program when the computer program is executed. The steps in the foregoing method embodiment of the first embodiment of the invention.

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Abstract

The invention relates to a batch data steganography method, terminal equipment and a storage medium. The method comprises the following steps that: utilizing feedforward control to predict the embedding rate of each carrier signal; calculating the length of a sub-message in which each carrier signal is invisibly written in the message to be invisibly written according to the embedding rate; and steganographically writing each sub-message into a corresponding carrier signal to generate a steganographic signal, selecting the carrier signal and the steganographic signal to jointly form a to-be-sent signal, screening each to-be-sent signal by utilizing feedback control, and adjusting a parameter for predicting the carrier signal embedding rate by utilizing the feedback control. By combining feedforward control and feedback control, the method is used for distributing the fragment length of hidden information among a plurality of carriers under the situation that a stegander is monitored bya steganalysis person for a long time, so that the concealment of steganalysis behaviors is enhanced.

Description

Technical field [0001] The invention relates to the technical field of data steganography, in particular to a method for bulk data steganography, terminal equipment and storage media. Background technique [0002] Steganography is a technique to conceal the facts of communication. The steganographic modifies the carrier signal to embed the hidden information and transmits it to the steganographic receiver by publicly sending the carrier signal. After receiving the signal, the steganographic receiver uses the previously agreed algorithm and configuration (including: secret key) to correctly extract the hidden information embedded by the steganographic receiver. With the rapid popularization of information technology, people have been able to generate various multimedia files through mobile phones and other devices, including: images, audio, and video. Therefore, multimedia files are widely used as steganographic carriers. Steganography on the carrier can be implemented on virtu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
CPCG06F18/213G06F18/243G06F18/214
Inventor 黄炜刘鹏飞
Owner XIAMEN UNIV
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