diff --git a/client/resources/mad.json b/client/resources/mad.json
index cfa6294d3..38cdf2636 100644
--- a/client/resources/mad.json
+++ b/client/resources/mad.json
@@ -4073,6 +4073,20 @@
         "service_provider": "HID Corporation",
         "system_integrator": "HID Corporation"
     },
+    {
+        "application": "City transport, prepaid ticket, cardholder, servicespass",
+        "company": "Ridango AS",
+        "mad": "0x3C56",
+        "service_provider": "Pilet.ee ekaart",
+        "system_integrator": "Pilet.ee ekaart"
+    },
+    {
+        "application": "City transport, prepaid ticket, cardholder, servicespass",
+        "company": "Ridango AS",
+        "mad": "0x3D56",
+        "service_provider": "Pilet.ee ekaart",
+        "system_integrator": "Pilet.ee ekaart"
+    },
     {
         "application": "City transport bus, ferry, administration",
         "company": "VFJ Technology Pty Ltd",
diff --git a/client/src/cmdhfmfp.h b/client/src/cmdhfmfp.h
index 7381f87a2..2a4d7cd2c 100644
--- a/client/src/cmdhfmfp.h
+++ b/client/src/cmdhfmfp.h
@@ -20,6 +20,10 @@
 
 #include "common.h"
 
+
+#define AES_KEY_LEN            16
+#define MAX_AES_KEYS_LIST_LEN  1024
+
 int CmdHFMFP(const char *Cmd);
 int CmdHFMFPNDEFRead(const char *Cmd);