diff --git a/frameworks/native/src/asym_key.c b/frameworks/native/src/asym_key.c
index 5f852706a16973ddeaaf2e50c3473a3f2235dbc1..7a6bb8359f66e0d74be53ddc828ab846116e36e2 100644
--- a/frameworks/native/src/asym_key.c
+++ b/frameworks/native/src/asym_key.c
@@ -253,8 +253,12 @@ static void FreeDecParamsSpec(HcfKeyDecodingParamsSpec *decSpec)
     if (decSpec == NULL) {
         return;
     }
-    HcfFree(decSpec->password);
-    decSpec->password = NULL;
+
+    if (decSpec->password != NULL) {
+        (void)memset_s(decSpec->password, strlen(decSpec->password), 0, strlen(decSpec->password));
+        HcfFree(decSpec->password);
+        decSpec->password = NULL;
+    }
     HcfFree(decSpec);
 }