38 lines
1.4 KiB
HTML
38 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>holaa</title>
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</head>
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<body>
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<div id="main">
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<input id="master-password" type="password">
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<button onclick="get_passwords()">get</button>
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<br>
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<span id="computed"></span>
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<br>
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<span id="computed2"></span>
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</div>
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<script>
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function get_passwords() {
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get_password(new Date(), "computed");
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get_password(new Date((new Date()).getTime() + 24 * 60 * 60 * 1000), "computed2");
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}
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async function get_password(date, el) {
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//password changes every day
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const master_bytes = new TextEncoder().encode(`${document.getElementById("master-password").value}${date.getUTCFullYear()}-${date.getUTCMonth()}-${date.getUTCDate()}`);
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const hash_bytes = new Uint8Array(await crypto.subtle.digest("SHA-256", master_bytes));
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//uint8array into hex
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let hex_chars = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"];
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let hash_hex = "";
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for (let i = 0; i < hash_bytes.length; i++) {
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hash_hex += hex_chars[Math.floor(hash_bytes[i] / 16)];
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hash_hex += hex_chars[hash_bytes[i] % 16];
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}
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document.getElementById(el).innerText = hash_hex.toLowerCase();
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}
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</script>
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</body>
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</html>
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