Big Data

Chapter 13

Privacy and Integrity

of Outsourced Data Storage

and Processing

Dongxi Liu

Shenlu Wang

John Zic

CONTENTS

13.1 Overview ......................................................................... 326

13.2 Lightweight Homomorphic Encryption ............................................ 326

13.2.1 Key generation ........................................................... 327

13.2.2 Encryption and decryption ................................................ 327

13.2.3 An example of encryption and decryption ................................. 328

13.2.3.1 An instance of K(4) ........................................ 328

13.2.3.2 Example of encryption and ...