Multi-Key FHE from LWE, Revisited
IACR Cryptology ePrint Archive, Volume 2016, 2016.
Traditional fully homomorphic encryption FHE schemes only allow computation on data encrypted under a single key. López-Alt, Tromer, and Vaikuntanathan STOC 2012 proposed the notion of multi-key FHE, which allows homomorphic computation on ciphertexts encrypted under different keys, and also gave a construction based on a somewhat nonstan...More
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