From: Ardis Lu <ardisglu@gmail.com>
Date: Wed, 6 Aug 2025 05:03:53 +0000 (-0700)
Subject: Cleanup unnecessary code
X-Git-Url: https://git.ardis.lu/?a=commitdiff_plain;h=f7bc249d711a137ec2cc68e213c36d0354662a25;p=static-encrypt-passkey

Cleanup unnecessary code
---

diff --git a/index.html b/index.html
index 99dd3a7..20a1de3 100644
--- a/index.html
+++ b/index.html
@@ -51,16 +51,14 @@
       const { content } = Object.fromEntries(new FormData(e.target));
       const { output } = e.target.elements;
       output.textContent = '';
-      let text;
       try {
         output.removeAttribute('data-error');
-        text = e.target.id === 'encrypt' ? await encrypt(content) : await decrypt(content);
+        output.textContent = e.target.id === 'encrypt' ? await encrypt(content) : await decrypt(content);
       }
       catch (error) {
         output.setAttribute('data-error', '');
-        text = error;
+        output.textContent = error;
       }
-      output.textContent = text;
     });
   </script>
 </body>
diff --git a/script.js b/script.js
index 8a9a40d..ac6eb54 100644
--- a/script.js
+++ b/script.js
@@ -84,6 +84,7 @@ export async function encrypt(plaintext) {
   // Prepare non-crypto inputs
   const encoder = new TextEncoder();
   const encodedPlaintext = encoder.encode(plaintext);
+  const info = encoder.encode('https://github.com/ardislu/static-encrypt-passkey');
 
   // Pad ciphertext so the final buffer length is a multiple of 3, to remove base64 padding. Not cryptographically
   // significant, just for aesthetics. +16 assumes ciphertext includes a 128 bit AES-GCM authentication tag.
@@ -92,10 +93,7 @@ export async function encrypt(plaintext) {
   paddedPlaintext.set([p]); // Offset to discard on decode
   paddedPlaintext.set(encodedPlaintext, p); // Gap filled with zero bytes, e.g. [3, 0, 0, ...encodedPlaintext]
 
-  const info = encoder.encode('https://github.com/ardislu/static-encrypt-passkey');
-
   const prf = await createPrf();
-
   const key = await getKey(prf, salt, info);
   const ciphertext = new Uint8Array(await crypto.subtle.encrypt(
     { name: 'AES-GCM', iv },