added password hashing

account.js

@@ -22,7 +22,7 @@ function normalizeUser(user) {
         firstName: user.firstName || "",
         lastName: user.lastName || "",
         email: user.email || "",
-        password: user.password || "",
+        hashedPassword: user.hashedPassword || "",
         orders: Array.isArray(user.orders) ? user.orders : [],
         paymentMethods: Array.isArray(user.paymentMethods) ? user.paymentMethods : []
     };
@@ -70,7 +70,14 @@ if (currentUser && currentUser.email) {
     }
 }
 
-function registerUser() {
+async function hashMessage(message) {
+  const msgBuffer = new TextEncoder().encode(message); // Encode as UTF-8
+  const hashBuffer = await crypto.subtle.digest('SHA-256', msgBuffer); // Hash
+  const hashArray = Array.from(new Uint8Array(hashBuffer)); // Convert to bytes
+  return hashArray.map(b => b.toString(16).padStart(2, '0')).join(''); // Hex string
+}
+
+async function registerUser() {
     const firstName = document.getElementById("reg-firstname")?.value.trim() || "";
     const lastName = document.getElementById("reg-lastname")?.value.trim() || "";
     const email = (document.getElementById("reg-email")?.value.trim() || "").toLowerCase();
@@ -92,11 +99,13 @@ function registerUser() {
         return;
     }
 
+    const hashedPassword = await hashMessage(password);
+
     const newUser = {
         firstName,
         lastName,
         email,
-        password,
+        hashedPassword,
         orders: [],
         paymentMethods: []
     };
@@ -113,12 +122,13 @@ function registerUser() {
     openAccountDashboard();
 }
 
-function loginUser() {
+async function loginUser() {
     const email = (document.getElementById("login-email")?.value.trim() || "").toLowerCase();
     const password = document.getElementById("login-password")?.value || "";
+    const hashedPassword = await hashMessage(password);
 
     const user = users.find(
-        (entry) => entry.email.toLowerCase() === email && entry.password === password
+        (entry) => entry.email.toLowerCase() === email && entry.hashedPassword === hashedPassword
     );
 
     if (!user) {