Add NULL check in TFM's fp_forcezero.

2023-07-06 14:47:18 -07:00
parent 657679efda
commit fb9e036d5b
1 changed files with 3 additions and 0 deletions
--- a/wolfcrypt/src/tfm.c
+++ b/wolfcrypt/src/tfm.c
@@ -4398,6 +4398,9 @@ void fp_clear(fp_int *a)

 void fp_forcezero (mp_int * a)
 {
+    if (a == NULL)
+      return;
+
    int size;
    a->used = 0;
    a->sign = FP_ZPOS;