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There are quantum homomorphic encryption (QHE) schemes with information-theoretic security. While such QHE schemes do not perform arbitrary computations, and indeed, there are no-go results for fully QHE schemes. However, if one is willing to input sufficient resources, one can nonetheless have a sufficiently complex QHE scheme that has information-theoretic ...


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There is an interesting time lock technique known as 'delay encryption'. This is based on isogenies of supersingular curves and pairings. As we know, Supersingular Isogeny curves are one of the reference post quantum ( quantum safe / resistant ) cryptography technique. This technique is related to Time-lock Puzzles and Verifiable Delay Functions. This ...


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I want to use lwe estimator too. But same as you, I can't find any explainations about this. So I search the source code. The most important fuction is lattice_reduction_cost() tell you the cost for lattice_reduction. def lattice_reduction_cost(cost_model, delta_0, d, B=None): """ Return cost dictionary for returning vector of norm` δ_0^d Vol(...


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