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Lecture Notes in Computer Science
Several public key cryptosystems with additional homomorphic properties have been proposed so far. They allow to perform c o mputation with e ncrypted data without the knowledge of any secret information. In many applications, the ability to perform decryption, i.e. the knowledge of the secret key, gives a huge power. A classical way to reduce the trust in such a secret owner, and consequently to increase the security, is to s hare the s ecret between many entities in such a w ay thatdoi:10.1007/3-540-45472-1_7 fatcat:o364zdkyjjc3tiupjmi25ogmwm