diff --git a/auth.lua b/auth.lua
index d458c30..aff73fc 100644
--- a/auth.lua
+++ b/auth.lua
@@ -70,3 +70,40 @@ if action == "login" then
     return
 end
 
+if action == "register" then
+    io.write("Username: ")
+    local username = io.read()
+    io.write("Password: ")
+    local password = read("*")
+    io.write("Confirm Password: ")
+    local confirm_password = read("*")
+
+    if password ~= confirm_password then
+        io.write("Passwords do not match\n")
+        return
+    end
+
+    local data = {
+        ["action"] = "register",
+        ["username"] = username,
+        ["password"] = password
+    }
+
+    rednet.send(auth_server_id, data)
+
+    while true do
+        id, msg = rednet.receive()
+        if id == auth_server_id then
+            if msg == "invalid request" then
+                io.write("Invalid request\n")
+                return
+            elseif msg == "user already exists" then
+                io.write("User already exists\n")
+                return
+            else
+                io.write("Registered user " .. username .. "\n")
+                return
+            end
+        end
+    end
+end
\ No newline at end of file