Range Queries on an encrypted outsourced database

Bernagozzi, Stefano (2016) Range Queries on an encrypted outsourced database. [Laurea], Università di Bologna, Corso di Studio in Informatica [L-DM270]
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This project is about retrieving data in range without allowing the server to read it, when the database is stored in the server. Basically, our goal is to build a database that allows the client to maintain the confidentiality of the data stored, despite all the data is stored in a different location from the client's hard disk. This means that all the information written on the hard disk can be easily read by another person who can do anything with it. Given that, we need to encrypt that data from eavesdroppers or other people. This is because they could sell it or log into accounts and use them for stealing money or identities. In order to achieve this, we need to encrypt the data stored in the hard drive, so that only the possessor of the key can easily read the information stored, while all the others are going to read only encrypted data. Obviously, according to that, all the data management must be done by the client, otherwise any malicious person can easily retrieve it and use it for any malicious intention. All the methods analysed here relies on encrypting data in transit. In the end of this project we analyse 2 theoretical and practical methods for the creation of the above databases and then we tests them with 3 datasets and with 10, 100 and 1000 queries. The scope of this work is to retrieve a trend that can be useful for future works based on this project.

Tipologia del documento
Tesi di laurea (Laurea)
Autore della tesi
Bernagozzi, Stefano
Relatore della tesi
Correlatore della tesi
Corso di studio
Ordinamento Cds
Parole chiave
database,range queries,outsourced data,encrypted database,security,information security,cloud security
Data di discussione della Tesi
13 Luglio 2016

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