Research Of New Software Watermarking MDW Algorithm Based On Mimic Defense

With the advent of the era of big data on the Internet,the rapid development of computer application technology,information network technology,network resources sharing greatly facilitate people's lives,but also the introduction of new problems.Especially the copyright of software products.The traditional software protection is mainly based on the theory of cryptography,through the realization of software encryption,the technology is relatively backward,the reliability is not high.As a new type of software security technology,software watermarking technology emerges as the times require.The watermark information will contain the software copyright and the identity of the user,on the basis of the technical method of specific pre embedded into the computer software program,when the case of copyright disputes,through the extraction of software watermarking,confirm the copyright information,support of pirate tracing.This paper is mainly based on the research of software watermarking technology,for the first time with the new ideas of mimicry defense,proposes a new software watermark based on pseudo defense(Mimic Defense Watermarking),referred to as MDW algorithm.Firstly,the dynamic graph watermark embedding and extraction,and the encoding algorithm research overview;introduce the thought and application of pseudo defense will eventually transform;mimicry thought and software watermarking combining the first watermarking segmentation to construct redundancy,then the watermark isomer fragments transformation and restructuring,according to the linear program the relationship between matrix embedded watermark,a new watermarking scheme MDW.Implementation of specific programs: the same watermark information W using a variety of coding methods,such as: Radix K linked list,PPCT,permutation graph and other structural representation.In this paper,a new idea is proposed,which is based on the new idea of the pseudo heterogeneous redundancy and fragmentation,and each coding method is segmented to form the watermark fragment,which constitutes the redundancy of the thread,and then carries on the reorganization.N encoding,each encoding form M threads,n*m threads,the formation of matrix A,encoding each thread(represented by 0 or 1),then the matrix A said a string of characters or black and white pixels,then the watermark information representation.Finally,with the help of SandMark software watermark test platform,we analyze the model of MDW software watermarking proposed in this paper,and design experiments to verify the experimental results.The robustness,concealment,data rate and performance overload are used as the evaluation criteria,and the detailed analysis of MDW software watermarking is carried out,and the feasibility of the scheme is verified finally.