FIELD: information technology.
SUBSTANCE: invention relates to data bases or access to file and, in particular, to perform sorting or search in encrypted data base. Technical result is achieved due to structure of search results using values of encryption key, arrangement of ordered structure data using value of unencrypted key, performing insertion or removal by searching and updating structure of search results and ordered data structure for insertion or removal of corresponding elements of meeting, performing search by searching in structure of search results in accordance with the search key, of sorting by way of searching in orderly structure of data for detection range of values and subsequent bypass ordered data structure in desired direction of merging by bypass and selection of elements of two or more ordered data structures and providing user with data results report operations.
EFFECT: technical result consists in improvement of level of security data.
14 cl, 6 dwg
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