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2024年3月11日发(作者：tcp编码)

专利内容由知识产权出版社提供

专利名称：METHOD AND SYSTEM TO PERFORM

SECURE BOOLEAN SEARCH OVER

ENCRYPTED DOCUMENTS

发明人：MOATAZ, Tarik,SHIKFA, Abdullatif

申请号：EP2013/068900

申请日：20130912

公开号：WO2014/041066A1

公开日：20140320

专利附图：

摘要：The invention relates to a method to perform secure boolean search over

encrypted documents, each document (D;) being characterized by a set of keywords (W),

all the keywords (W) characterizing all the documents (D;) forming an index (W), the index

(W) being translated in an orthonormal basis in which each keyword (W) of the index

corresponds to one and only one vector (U) of the orthonormal basis, each document (D)

being associated with a resultant vector in the span of the orthonormal basis, the

resultant vectors corresponding to all the documents being stored in an encrypted

search server (7), the method comprising the following steps: • - Receiving a search query

from a querier (116); • - Transforming the search query in one query matrix (110); • -

Determining a general result based on the result of the multiplication between the query

matrix and the resultant vectors (111).

申请人：ALCATEL LUCENT

地址：3 avenue Octave Gréard F-75007 Paris FR

国籍：FR

代理人：MOUNEY, Jérome

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