X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4a71da5a359c5f2449a19f19f2fbcbe7bb989ebb..a70fcfb65597ff22e4b2b8735d1afa550386603c:/armsrc/desfire_crypto.c

diff --git a/armsrc/desfire_crypto.c b/armsrc/desfire_crypto.c
index 469a8ec4..acce980f 100644
--- a/armsrc/desfire_crypto.c
+++ b/armsrc/desfire_crypto.c
@@ -226,8 +226,8 @@ void* mifare_cryto_preprocess_data (desfiretag_t tag, void *data, size_t *nbytes
             cmac (key, DESFIRE (tag)->ivect, res, *nbytes, DESFIRE (tag)->cmac);
 
             if (append_mac) {
-                maced_data_length (key, *nbytes);
-
+                size_t len = maced_data_length (key, *nbytes);
+				++len;
                 memcpy (res, data, *nbytes);
                 memcpy (res + *nbytes, DESFIRE (tag)->cmac, CMAC_LENGTH);
                 *nbytes += CMAC_LENGTH;