Merge pull request #103 from malb/issue102

fix issue 102
malb · Feb 27, 2024 · 00ec72c · 00ec72c
2 parents f9fad50 + a7e52bb
commit 00ec72c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/estimator/lwe_primal.py b/estimator/lwe_primal.py
@@ -305,7 +305,7 @@ def gaussian_heuristic_log_input(r):
             for i, _ in enumerate(r):
                 # chosen since RC.ADPS16(1754, 1754).log(2.) = 512.168000000000
                 j = d - 1754 + i
-                if gaussian_heuristic_log_input(r[j:]) < D.stddev**2 * (d - j):
+                if (j < d) and (gaussian_heuristic_log_input(r[j:]) < D.stddev**2 * (d - j)):
                     return ZZ(d - (j - 1))
             return ZZ(2)