From a511ab3bd840d90a1c67e75c64546059822cfaa4 Mon Sep 17 00:00:00 2001
From: "Aaron Tulino (Aaronjamt)" <git@aaronjamt.com>
Date: Sun, 29 Mar 2026 15:59:10 -0700
Subject: [PATCH] [hf mfu] Fix ULAES

---
 armsrc/mifareutil.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index ce6083f89..bcb0dfe76 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -130,7 +130,8 @@ uint16_t mifare_sendcmd_schann(uint8_t *data, uint8_t data_size, uint8_t *answer
     }
 
     AddCrc14A(dcmd, data_size);
-    ReaderTransmit(dcmd, sizeof(dcmd), timing);
+    data_size += 2;
+    ReaderTransmit(dcmd, data_size, timing);
 
     if (tearoff_hook() == PM3_ETEAROFF) { // tearoff occurred
         return 0;