From 1c2ff2b26371b5432a6130571c6f45a2bd2f6e42 Mon Sep 17 00:00:00 2001
From: Romuald Conty <romuald@libnfc.org>
Date: Fri, 8 Apr 2011 09:32:56 +0000
Subject: [PATCH] apply a patch suggested by Valentijn Sessink. See Issue 56.

---
 src/mfoc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/mfoc.c b/src/mfoc.c
index 7dbbf5b..d410359 100644
--- a/src/mfoc.c
+++ b/src/mfoc.c
@@ -787,6 +787,17 @@ int mf_enhanced_auth(int e_sector, int a_sector, mftag t, mfreader r, denonce *d
 			ERR ("while requesting encrypted tag-nonce");
 			exit (EXIT_FAILURE);
 		}
+
+		// Finally we want to send arbitrary parity bits
+		if (!nfc_configure(r.pdi, NDO_HANDLE_PARITY, true))  {
+			nfc_perror (r.pdi, "nfc_configure parity restore M");
+			exit (EXIT_FAILURE);
+		}
+
+		if (!nfc_configure(r.pdi, NDO_HANDLE_CRC, true))  {
+			nfc_perror (r.pdi, "nfc_configure crc restore M");
+			exit (EXIT_FAILURE);
+		}
 		
 		// Save the encrypted nonce
 		NtEnc = bytes_to_num(Rx, 4);