Pro Cryptography and Cryptanalysis with C++20 by Marius Iulian Mihailescu & Stefania Loredana Nita

Author:Marius Iulian Mihailescu & Stefania Loredana Nita
Language: eng
Format: epub
ISBN: 9781484265864
Publisher: Apress

Components

The components of a searchable encryption scheme are as follows: the entities and the algorithms. In this section, we present these components in a detailed view.

Entities

When a software solution is implemented, more aspects should be clarified before the implementation itself: the clients who will use the application, the entity that will maintain it, the type of data, the roles supported by the application, and so on.

In a system that uses a searchable encryption scheme, the following entities are involved in the whole process:Data owner: The data owner, who is assumed to be a trusted party, has a number of n documents ={D1, …, Dn}, which are characterized by keywords (note that these keywords are not metadata). Both the documents and the keywords will be outsourced. Prior to outsourcing the documents (and the keywords, which are often organized into a structure called index structure) on the server, they are encrypted by the data owner using an encryption algorithm of a searchable encryption scheme.

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