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US6081597A   [0069] 

Public-Key Cryptosystems Based on Composite Degree Residuosity Classes   [0069] 
A public key cryptosystem and a signature scheme based on discrete logarithms   [0069] 
Dense probabilistic encryption   [0069] 
A new public key cryptosystem based on higher residues   [0069] 
Leveled) fully homomorphic encryption without bootstrapping   [0069] 
Homomorphic encryption from learning with errors: Conceptually-simpler, asymptotically-faster, attribute-based   [0069] 
On-the-fly multiparty computation on the cloud via multikey fully homomorphic encryption   [0069]