Regular Section
On the Security of Keyed-Homomorphic PKE: Preventing Key Recovery Attacks and Ciphertext Validity Attacks
2021 年 E104.A 巻 1 号 p. 310-314
詳細
2021 年 E104.A 巻 1 号 p. 310-314
In this short note, we formally show that Keyed-Homomorphic Public Key Encryption (KH-PKE) is secure against key recovery attacks and ciphertext validity attacks that have been introduced as chosen-ciphertext attacks for homomorphic encryption.
