use Mifare Classic Offline Cracker to dump card

diff --git a/mifare-dump.sh b/mifare-dump.sh
new file mode 100755 (executable)
index 0000000..588cbac
--- /dev/null
+++ b/mifare-dump.sh
@@ -0,0 +1,4 @@
+#!/bin/sh -x
+
+# http://code.google.com/p/nfc-tools/wiki/mfoc
+mfoc -O $1 $keys.dump | tee $1-keys.txt