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Trust plays an important role in helping social network user make appropriate decision from abundant social information about products. A variety of social review information (e.g. ratings, voting and tags) emerge with the huge number of products on the Web. How they are utilized for searching and finding appropriate item is investigated. In this paper we propose a user credibility calculation method,...
In this paper, we propose a binary modular exponentiation RSA countermeasure in order to defend against the comparative power analysis by dividing the private key e into n random parts and randomly choosing one of the parts to do one unit operation each selection till the modular exponentiation of all parts are completed. When the bit length of the private key computed actually is less than 4/3 of...
In this paper, we propose a new randomization method to resist differential side-channel analysis (DSCA) attacks based on elliptic curve isogenies. The basic idea is to map the elliptic curve through random isogenies to conceal the execution of the point multiplication algorithm in elliptic curve cryptosystems (ECC). Differed from the existing countermeasures against DSCA, the proposed secure algorithm...
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