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-rw-r--r--crypto/ec/curve448/curve448.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/ec/curve448/curve448.c b/crypto/ec/curve448/curve448.c
index 9b9786da8f..4db72cd28d 100644
--- a/crypto/ec/curve448/curve448.c
+++ b/crypto/ec/curve448/curve448.c
@@ -586,6 +586,7 @@ static int recode_wnaf(struct smvt_control *control,
int32_t delta = odd & mask;
assert(position >= 0);
+ assert(pos < 32); /* can't fail since current & 0xFFFF != 0 */
if (odd & (1 << (table_bits + 1)))
delta -= (1 << (table_bits + 1));
current -= delta * (1 << pos);