games/tools/encrypt/index.html

<h1>Encrypt data</h1>
<script src="jsaes.js"></script>
<form>
    <label>Input data</label><br>
    <textarea value="" rows="6" cols="80" id="input" required></textarea><br>
    <label>Password:</label><br>
    <input id="password" ><br>
    <button type="button" onclick="doencode();">Encode</button>
    <button type="button" onclick="dodecode();">Decode</button><br>
    <label>Output</label><br>
    <textarea id="output" rows="6" cols="80" readonly></textarea><br>
    <button type="button" id="copy" onclick="docopy();">Copy</button>
</form>

<script>
function docopy() {
    document.getElementById("output").select();
    document.execCommand('copy');
}

function doencode() {
    var password = document.getElementById("password").value
    var output = btoa(document.getElementById("input").value)
    AES_Init();
    var block = document.getElementById("input").value
    var key = document.getElementById("password").value
    AES_ExpandKey(key);
    document.getElementById("output").value = AES_Encrypt(block, key);

    document.getElementById("output").value = AES_Done();
}
function dodecode() {
    var password = document.getElementById("password").value
    var output = atob(document.getElementById("input").value)
}
</script>