py_DDFE Python implementation of Dynamic Decentralized Functional Encryption original paper: Dynamic Decentralized Functional Encryption Dependencies py_ecc Functions All-or-Nothing Encapsulation(AoNE) function f(x) = (pk,x) Decentralized Sum (DSum) function f(x) = x_0 + x_1 + ... + x_n Inner-Product DDFE (IP-DDFE) function f(keys, x) = x_0 * y_0 + ... + x_n * y_n