feat: test auth

docs/src/utils/encrypt.ts

@@ -0,0 +1,15 @@
+export function toHexString(value: string): string {
+  return value
+    .split('')
+    .map((c) => c.charCodeAt(0).toString(16).padStart(2, '0'))
+    .join('');
+}
+
+export function fromHexString(hexString: string): string {
+  return (
+    hexString
+      .match(/.{1,2}/g)
+      ?.map((byte) => String.fromCharCode(parseInt(byte, 16)))
+      .join('') ?? ''
+  );
+}