Add protobuff files

protobuf_files/encrypted_app_ticket.proto

@@ -0,0 +1,11 @@
+syntax = "proto2";
+option optimize_for = SPEED;
+option cc_generic_services = false;
+
+message EncryptedAppTicket {
+	optional uint32 ticket_version_no = 1;
+	optional uint32 crc_encryptedticket = 2;
+	optional uint32 cb_encrypteduserdata = 3;
+	optional uint32 cb_encrypted_appownershipticket = 4;
+	optional bytes encrypted_ticket = 5;
+}