diff --git a/client/mifare/mifaredefault.c b/client/mifare/mifaredefault.c
new file mode 100644
index 000000000..9d3b77d4f
--- /dev/null
+++ b/client/mifare/mifaredefault.c
@@ -0,0 +1,39 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2017 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Mifare default constants
+//-----------------------------------------------------------------------------
+
+#include "mifaredefault.h"
+#include "commonutil.h"  // ARRAYLEN
+
+const char* g_mifare_plus_default_keys[] = {
+    "ffffffffffffffffffffffffffffffff",  // default key
+    "00000000000000000000000000000000",
+    "a0a1a2a3a4a5a6a7a0a1a2a3a4a5a6a7",  // MAD key
+    "b0b1b2b3b4b5b6b7b0b1b2b3b4b5b6b7",
+    "d3f7d3f7d3f7d3f7d3f7d3f7d3f7d3f7",  // NDEF key
+    "11111111111111111111111111111111",
+    "22222222222222222222222222222222",
+    "33333333333333333333333333333333",
+    "44444444444444444444444444444444",
+    "55555555555555555555555555555555",
+    "66666666666666666666666666666666",
+    "77777777777777777777777777777777",
+    "88888888888888888888888888888888",
+    "99999999999999999999999999999999",
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
+    "cccccccccccccccccccccccccccccccc",
+    "dddddddddddddddddddddddddddddddd",
+    "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
+    "000102030405060708090a0b0c0d0e0f",
+    "0102030405060708090a0b0c0d0e0f10",
+    "00010203040506070809101112131415",
+    "01020304050607080910111213141516"
+};
+size_t g_mifare_plus_default_keys_len = ARRAYLEN(g_mifare_plus_default_keys);
\ No newline at end of file
diff --git a/client/mifare/mifaredefault.h b/client/mifare/mifaredefault.h
index 7232510a0..fdccfe22b 100644
--- a/client/mifare/mifaredefault.h
+++ b/client/mifare/mifaredefault.h
@@ -44,4 +44,7 @@ static const uint8_t g_mifare_ndef_key[] = {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7};
 static const uint8_t g_mifarep_mad_key[] =  {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7};
 static const uint8_t g_mifarep_ndef_key[] = {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7};
 
+extern const char* g_mifare_plus_default_keys[];
+extern size_t g_mifare_plus_default_keys_len;
+
 #endif