From 7af0f07c4e476332dd1c3151639445ffebd267e8 Mon Sep 17 00:00:00 2001
From: Bjoern Kerler <info@revskills.de>
Date: Fri, 10 Apr 2020 00:59:06 +0200
Subject: [PATCH] Add useful signature info.

---
 client/cmdhfmfdes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/cmdhfmfdes.c b/client/cmdhfmfdes.c
index d3c0577b2..4053d58a9 100644
--- a/client/cmdhfmfdes.c
+++ b/client/cmdhfmfdes.c
@@ -974,7 +974,7 @@ static int CmdHF14ADesInfo(const char *Cmd) {
     if (get_desfire_signature(signature, &signature_len) == PM3_SUCCESS)
         desfire_print_signature(package->uid, signature, signature_len, cardtype);
     else{
-        PrintAndLogEx(WARNING, "--- " _YELLOW_("Couldn't verify signature."));
+        PrintAndLogEx(WARNING, "--- " _YELLOW_("Couldn't verify signature. Unknown public key ?"));
     }
 
     // Master Key settings