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By analyzing the binary executable files comparing technique, this paper presents a method to detect vulnerabilities in Windows system based on security patch comparison. The technology is mostly used for detecting vulnerabilities which are patched by Microsoft but there is no clear location and detailed information of the vulnerabilities. Finally, the result of detecting MS15-034 vulnerability experiment...
Based on chaotic maps, a novel robust watermarking algorithm is presented in this paper. The proposed approach improves the invisibility, robustness and security of traditional watermarking algorithm by using chaotic sequences. Taking advantage of the characteristics of extreme sensitivity to initial conditions, Chebyshev maps are used to generate substantially different watermarks as a key. This...
According to the limitation of resources in wireless sensor network (WSN), this paper presents a new key pre-distribution scheme based on plane grid. It helps not only to economize the space of storage and keep low consumption, but also ensure that all neighborspsila nodes can establish pair-wise keys directly, however, has a poor safety performance. Then we extend the scheme to three-dimensional...
A multi-service smart card system enables users to access different services over an open network with a single smart card. Due to its highly economic and social benefits, the multi-service smart card system has drawn much attention in industrial and academic areas. However, the big hindrance to its wide employment is the risk of breaching user service confidentiality and privacy across different...
A novel transform-domain image watermark based on chaotic sequences is proposed in this paper. A complex chaos-based scheme is developed to embed a gray-level image in the wavelet domain of the original color image signal. The chaos system plays an important role in the security and invisibility of the proposed scheme. The parameter and initial state of chaos system directly influence the generation...
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