Text carrier-free information hiding method based on tag model
An information hiding, carrierless technology, applied in the field of communication, can solve the problem of low hidden capacity, and achieve the effect of improving the hidden capacity and ensuring the success rate
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[0058] This embodiment provides a method for hiding secret information and extracting secret information. attached Figure 5A , 5B It is a structural schematic diagram of Embodiment 1 of the present invention.
[0059] For example to hide secret information: People's Republic of China. Specific steps are as follows:
[0060] The first step: First, perform word segmentation processing to obtain the keyword sequence: China, the people, the Republic, established. The keyword lengths in the keyword sequence are 2, 2, 3, and 3 in sequence.
[0061] Step 2: Specify the recipient, get the tag feature according to the recipient and some additional random quantities such as sending time, sending address, etc., and get the tag sequence from the tag library according to the tag feature, assuming that the tag feature here is generated as 4, you can get it from the tag Starting from the fourth position in the library, the step size is 4 to obtain the label sequence in turn: 16, 45.......
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