# All Questions

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### How simple can the prp used in the Even-Mansour scheme be?

For example, in this question it is proposed to use AES with a fixed key as the permutation in a xor-permute-xor construction. In the paper linked in the answer, there is a proposal for a cipher that ...
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### In Paillier homomorphism, how do you deal with bit length? [on hold]

I'm trying to figure out homomorphic encryption and would like to multiply two paillier encrypted numbers. Like so: [a].[b]=[a+b] To try this I got this Paillier.java and tried the following: <...