From 7e231879d1f6704b1f8afc880bf71a9aa8b8b871 Mon Sep 17 00:00:00 2001
From: Norman Ashley <nashley@cisco.com>
Date: Thu, 25 Jan 2024 01:52:57 -0500
Subject: [PATCH] Update example_sig_stfl.c

Fixed compile error, unused function.
Added a negative test when stateful signature is disabled.
---
 tests/example_sig_stfl.c | 41 ++++++++++++++++++++++++++++------------
 1 file changed, 29 insertions(+), 12 deletions(-)

diff --git a/tests/example_sig_stfl.c b/tests/example_sig_stfl.c
index 74ff1004c4..cdcd9f6472 100644
--- a/tests/example_sig_stfl.c
+++ b/tests/example_sig_stfl.c
@@ -122,26 +122,43 @@ static OQS_STATUS stfl_example(char *method_name) {
 
 int main(void) {
 #ifndef OQS_ALLOW_SFTL_KEY_AND_SIG_GEN
+	OQS_init();
 	printf("Stateful signature algorithms key and signature generation is not enabled.\n");
-	return EXIT_SUCCESS;
+	if (stfl_example((char *)"XMSS-SHA2_10_256") == OQS_ERROR && stfl_example((char *)"LMS_SHA256_H10_W4") == OQS_ERROR) {
+		OQS_destroy();
+		return EXIT_SUCCESS;
+	} else {
+		OQS_destroy();
+		return EXIT_FAILURE;
+	}
 #else
+	OQS_STATUS lms_status;
+	OQS_STATUS xmss_status;
 	OQS_init();
-#   if defined(OQS_ALLOW_XMSS_KEY_AND_SIG_GEN) && defined(OQS_ALLOW_LMS_KEY_AND_SIG_GEN)
-	if (stfl_example((char *)"XMSS-SHA2_10_256") == OQS_SUCCESS && stfl_example((char *)"LMS_SHA256_H10_W4") == OQS_SUCCESS) {
-#   elif defined(OQS_ALLOW_XMSS_KEY_AND_SIG_GEN)
-	OQS_init();
-	if (stfl_example((char *)"XMSS-SHA2_10_256") == OQS_SUCCESS) {
-#   elif defined(OQS_ALLOW_LMS_KEY_AND_SIG_GEN)
-	if ( stfl_example((char *)"LMS_SHA256_H10_W4") == OQS_SUCCESS) {
-#   else
-	if ( stfl_example((char *)"") == OQS_SUCCESS) {
+	xmss_status = stfl_example((char *)"XMSS-SHA2_10_256");
+	lms_status = stfl_example((char *)"LMS_SHA256_H10_W4");
+	OQS_destroy();
+
+#ifndef OQS_ALLOW_XMSS_KEY_AND_SIG_GEN
+	if (xmss_status == OQS_ERROR) {
+		xmss_status = OQS_SUCCESS;
+	} else {
+		xmss_status = OQS_ERROR;
+	}
 #endif
-		OQS_destroy();
+#ifndef OQS_ALLOW_LMS_KEY_AND_SIG_GEN
+	if (lms_status == OQS_ERROR) {
+		lms_status = OQS_SUCCESS;
+	} else {
+		lms_status = OQS_ERROR;
+	}
+#endif
+	if ((xmss_status == OQS_SUCCESS) && (lms_status == OQS_SUCCESS)) {
 		return EXIT_SUCCESS;
 	} else {
-		OQS_destroy();
 		return EXIT_FAILURE;
 	}
 #endif
 }
 
+