A Compact Multi-Identity Fully Homomorphic Encryption Scheme Without Fresh Ciphertexts

The lattice-based multi-identity fully homomorphic encryption scheme combines the quantum security of lattice cryptography with the advantage of identity-based encryption. However, existing schemes face challenges such as large key sizes, inefficient ciphertext expansion processes, and reliance on o...

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Bibliographic Details
Main Authors: Ziwei Wang, Ruwei Huang, Xiyi Wei
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/15/1/473
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