diff --git a/src/util/id.ts b/src/util/id.ts
new file mode 100644
index 0000000..ce1bf08
--- /dev/null
+++ b/src/util/id.ts
@@ -0,0 +1,10 @@
+import { createHash, randomBytes } from "crypto";
+import env from "./env";
+
+export function createID() {
+    return randomBytes(12).toString("hex");
+}
+
+export function createUserID(ip: string) {
+    return createHash("sha-256").update(ip).update(env.SALT).digest("hex");
+}
diff --git a/src/util/types.d.ts b/src/util/types.d.ts
new file mode 100644
index 0000000..149eb17
--- /dev/null
+++ b/src/util/types.d.ts
@@ -0,0 +1 @@
+declare type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;