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Collusion Resistant Broadcast Encryption With Short Ciphertexts and Private Keys
Resistant Broadcast Encryption Short Ciphertexts
2015/8/5
We describe two new public key broadcast encryption systems for stateless receivers. Both systems are fully secure against any number of colluders. In our first construction both ciphertexts and priva...
Let F be a 2-DNF formula on boolean variables x1,...,xn. We present a homomorphic public key encryption system that allows the public evaluation of F given an encryption of the variables x1,...,xn. In...