This chapter provides an overview of homomorphic encryption, beginning with an introduction to public key encryption and the foundational concepts of homomorphic encryption. It then explores partial homomorphic encryption schemes, highlighting their key features and applications. The chapter further delves into the concept of fully homomorphic encryption, presenting its definition and examining notable schemes in this domain. Through this structured progression, the chapter offers a comprehensive understanding of homomorphic encryption techniques and their practical significance in privacy-enhancing technologies.

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Homomorphic Encryption

  • Xun Yi,
  • Xuechao Yang,
  • Xiaoning Liu,
  • Andrei Kelarev,
  • Kwok-Yan Lam,
  • Mengmeng Yang,
  • Xiangning Wang,
  • Elisa Bertino

摘要

This chapter provides an overview of homomorphic encryption, beginning with an introduction to public key encryption and the foundational concepts of homomorphic encryption. It then explores partial homomorphic encryption schemes, highlighting their key features and applications. The chapter further delves into the concept of fully homomorphic encryption, presenting its definition and examining notable schemes in this domain. Through this structured progression, the chapter offers a comprehensive understanding of homomorphic encryption techniques and their practical significance in privacy-enhancing technologies.