Security bug in homomorphic encryption parameter generation.

data61 · Apr 22, 2022 · a858e5b · a858e5b
1 parent 49ff3f8
commit a858e5b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/FHE/NoiseBounds.cpp b/FHE/NoiseBounds.cpp
@@ -105,7 +105,7 @@ void SemiHomomorphicNoiseBounds::produce_epsilon_constants()
         {
             tp *= t;
             double lgtp = log(tp) / log(2.0);
-            if (C[i] < 0 && lgtp < FHE_epsilon)
+            if (C[i] < 0 && lgtp < -FHE_epsilon)
             {
                 C[i] = pow(x, i);
             }