From f4cae188c430e51ed80be7a7e2c36aa0b6bd5ca5 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Mon, 29 Dec 2025 23:25:15 +0100
Subject: [PATCH] Add extra scalarmult tests

---
 test/default/scalarmult_ed25519.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/default/scalarmult_ed25519.c b/test/default/scalarmult_ed25519.c
index 795647b5..58de56cf 100644
--- a/test/default/scalarmult_ed25519.c
+++ b/test/default/scalarmult_ed25519.c
@@ -13,6 +13,10 @@ static const unsigned char max_canonical_p[32] = {
     0xe4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
 };
+static const unsigned char not_main_subgroup_p[32] = {
+    0x95, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
+    0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99
+};
 
 static const unsigned char B[32] = {
     0x58, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
@@ -69,9 +73,15 @@ main(void)
     if (crypto_scalarmult_ed25519(q, n, non_canonical_invalid_p) != -1) {
         printf("crypto_scalarmult_ed25519() didn't fail\n");
     }
+    if (crypto_scalarmult_ed25519(q, n, not_main_subgroup_p) != -1) {
+        printf("crypto_scalarmult_ed25519() didn't fail (non-subgroup)\n");
+    }
     if (crypto_scalarmult_ed25519(q, n, max_canonical_p) != 0) {
         printf("crypto_scalarmult_ed25519() failed\n");
     }
+    if (crypto_scalarmult_ed25519_noclamp(q, n, not_main_subgroup_p) != -1) {
+        printf("crypto_scalarmult_ed25519_noclamp() didn't fail (non-subgroup)\n");
+    }
 
     n[0] = 9;
     if (crypto_scalarmult_ed25519(q, n, p) != 0) {