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Section: New Results

Homomorphic encryption

D. Augot, in collaboration with L. Perret from Salsa team, and Bochum Universität [22] , designed a “secret-key” homomorphic encryption scheme, which is much more efficient than the public-key ones. It is based on $q$-ary Reed-Muller codes (or multi-variate evaluation-interpolation schemes). The main drawback is a severe restriction on the number of uses of a given secret key, but the ease of decrypting leads to think that the scheme can reencrypt its keys, enabling its reuse.