From 7104bb139002e1d171bf9bfad56a3223ce9cad94 Mon Sep 17 00:00:00 2001
From: Bottersnike <bottersnike237@gmail.com>
Date: Fri, 26 May 2023 07:57:27 +0100
Subject: [PATCH] JS-based generator

---
 .../pages/sega/software/security/index.html   | 41 ++++++++++++++++++-
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/templates/pages/sega/software/security/index.html b/templates/pages/sega/software/security/index.html
index fef591a..393492f 100644
--- a/templates/pages/sega/software/security/index.html
+++ b/templates/pages/sega/software/security/index.html
@@ -32,8 +32,6 @@
 <p>This can be bypassed either by extracting the password used, or by first powering on the Ring* system with the drive
     connected, then hotplugging the SATA data cable on the drive while keeping the drive powered.</p>
 
-{% markdown %}{% include relative("~ata.md") %}{% endmarkdown %}
-
 <details>
     <summary>Why does this work?</summary>
     <p>The following is the sequence of possible security modes for an ATA drive:</p>
@@ -254,6 +252,45 @@
     <p>This allows us full read-write access to the drive without ever knowing the password!</p>
 </details>
 
+{% markdown %}{% include relative("~ata.md") %}{% endmarkdown %}
+
+<h3 id="ata-gen">Generate drive passsword:</h3>
+<table>
+    <tr>
+        <td>Model number:</td>
+        <td><input id="ata-model" placeholder="Type model number here"></td>
+    </tr>
+    <tr>
+        <td>ATA password:</td>
+        <td><code id="ata-password"></code></td>
+    </tr>
+</table>
+
+<script>
+    function charset_index(x) {
+        if (x == 0) return 0x55;
+        const index = "/-AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789".indexOf(x);
+        if (index == -1) return 0x55;
+        return index;
+    }
+
+    document.getElementById("ata-model").addEventListener("input", function () {
+        password = new Array(32);
+        for (let i = 0; i < 32; i++) {
+            const a = charset_index(this.value[i] || 0);
+            const b = charset_index(this.value[39 - i] || 0);
+            if (i == 0) console.log(a, b, this.value[39 - i], this.value[39 - i] || 0);
+
+            if (i % 2 == 0)
+                password[i] = (((i ^ a) & 0x1f) << 3) ^ ((b & 0x2e) >> 1);
+            else
+                password[i] = (((i ^ b) & 0x3b) << 2) ^ ((a & 0x66) >> 1);
+        }
+
+        document.getElementById("ata-password").innerText = password.map(x => x.toString(16).padStart(2, "0")).join("");
+    });
+</script>
+
 <h2 id="windows">Windows Password</h2>
 <p>It seems silly to mention, but it's worth noting. <code>AppUser</code> will automatically log in, but if you need to
     log back in, or wish to login as <code>SystemUser</code>, you'll need the passwords.</p>