1 files changed, 7 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bn/bn_lib.c b/src/lib/libcrypto/bn/bn_lib.c
index 77ee3b1fdc..2544722ea9 100644
--- a/src/lib/libcrypto/bn/bn_lib.c
+++ b/src/lib/libcrypto/bn/bn_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_lib.c,v 1.51 2021/12/04 15:59:52 tb Exp $ */
+/* $OpenBSD: bn_lib.c,v 1.52 2021/12/04 16:02:44 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1099,6 +1099,12 @@ BN_is_odd(const BIGNUM *a)
         return a->top > 0 && (a->d[0] & 1);
 }
 
+int
+BN_is_negative(const BIGNUM *a)
+{
+        return a->neg != 0;
+}
+
 BN_GENCB *
 BN_GENCB_new(void)
 {