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ethereum · Apr 7, 2021 · a8c5595 · a8c5595
1 parent 59ad3d5
commit a8c5595
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/py_ecc/bls/point_compression.py b/py_ecc/bls/point_compression.py
@@ -196,6 +196,7 @@ def decompress_G2(p: G2Compressed) -> G2Uncompressed:
     # Else, not point at infinity
     # 3 MSBs should be 100 or 101
     x1 = z1 % POW_2_381
+    # Ensure that x1 is less than the field modulus.
     if x1 >= q:
         raise ValueError("x1 value should be less than field modulus. Got %d", x1)