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2012
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
The modern problems of cryptography are stipulated by the necessity of mathematical apparatus development to model the system of information security, their comparative characteristics, analysis of their computation stability and mimic resistance. On the basis of polybasic algebraic system a formal model of the cryptosystem has been constructed. Within the framework of this model, main types of cryptosystems have been distinguished