Much higher accuracy security approximation #352
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kira-coded
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Feb 21, 2024
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Increases the accuracy of the LWE security estimator significantly by fully sampling the space from 386 to 2048 dimensions, 78 to 130 bits of security. This introduces a convex polytope type to give users information on where specifically the approximation is valid.
The new TFHE standard deviation value was validated against the simulator to ensure a good match with the approximation (80.04 bits of security).