<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<script src="https://unpkg.com/text-encoding@0.6.4/lib/encoding-indexes.js"></script>
<script src="https://unpkg.com/text-encoding@0.6.4/lib/encoding.js"></script>
<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script>
<script src="deps/jsSHA/dist/sha512.js"></script>
<script type="text/javascript" src="https://cdn.rawgit.com/ricmoo/aes-js/e27b99df/index.js"></script>
<script type="text/javascript" src="derive-keys-bundle.js"></script>
<script type="text/javascript">
if (!Math.imul) Math.imul = function(a, b) {
var aHi = (a >>> 16) & 0xffff;
var aLo = a & 0xffff;
var bHi = (b >>> 16) & 0xffff;
var bLo = b & 0xffff;
// the shift by 0 fixes the sign on the high part
// the final |0 converts the unsigned value into a signed value
return ((aLo * bLo) + (((aHi * bLo + aLo * bHi) << 16) >>> 0) | 0);
};
if (!Math.clz32) Math.clz32 = (function(log, LN2){
return function(x) {
// Let n be ToUint32(x).
// Let p be the number of leading zero bits in
// the 32-bit binary representation of n.
// Return p.
var asUint = x >>> 0;
if (asUint === 0) {
return 32;
}
return 31 - (log(asUint) / LN2 | 0) |0; // the "| 0" acts like math.floor
};
})(Math.log, Math.LN2);
</script>
<script type="text/javascript" src="../lib/olm/olm_legacy.js"></script>
<script type="text/javascript">
const ssssKeyAccountData =
{
"type": "m.secret_storage.key.HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM",
"content": {
"algorithm": "m.secret_storage.v1.aes-hmac-sha2",
"passphrase": {
"algorithm": "m.pbkdf2",
"iterations": 500000,
"salt": "tfY5mgvQBr3Gd5Dy1IBiKf7fLquL4Y9O"
},
"iv": "xitm4hxsqagkbyEmXj0tUw==",
"mac": "nagOYz7FKrdlFEKM9ij78th0O2p7YVGgl+p0LHr4EBE="
}
};
const megolmBackupKeyAccountData = {
"type": "m.megolm_backup.v1",
"content": {
"encrypted": {
"HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM": {
"iv": "HpzOY5DxYFJCxw5Vi6BBOQ==",
"ciphertext": "u1TJjaaGKVDGExg9hu2fIUZ0gjToMcMReyhn4nsXgnhm7Dvz6E/4p+nSF3w=",
"mac": "08ckDbQK9wB2jiE4n4sfp2sw83q/0C2/gEz2LuHMEPg="
}
}
}
};
const backupInfo = {
"algorithm": "m.megolm_backup.v1.curve25519-aes-sha2",
"auth_data": {
"public_key": "Vw2cwhbxFg/GQ2rr4VRIQ+Oh74lP7IxY6oN4R9q992k",
"signatures": {
"@bruno-test4s:matrix.org": {
"ed25519:XAIKJXBCNZ": "AFBp1T2x8hyPSi2hCHg6IzNy67RxULj3/7LYZgVT3Ruz49v5h1+jAScTxZj5jrItxo2LCzSORH+yABHjPIqOBQ",
"ed25519:lukepZkTmPcJS6wCl12B0tIURIO8YbMd5QJLf8UOugI": "a1ZJa+1+p9Gm5Po1B619ZDy4xidHmLt82vXVPH7vWTjny1r3JI2iM4fB2qh8vEiASNlFyVrFx//gQrz9Y1IJBA"
}
}
},
"count": 1,
"etag": "1",
"version": "1"
};
const sessionResponse = {
"first_message_index": 0,
"forwarded_count": 0,
"is_verified": true,
"session_data": {
"ciphertext": "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",
"ephemeral": "wXBeLoazggBmFS0eiVY9H/qq5o1yt2/NIKWcq384EHc",
"mac": "w3IfO5vL9Bc"
}
};
const keyId = "HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM";
const cryptoDriver = new bundle.CryptoDriver((window.crypto || window.msCrypto).subtle);
window.Olm.init().then(function() {
bundle.deriveSSSSKey(cryptoDriver, prompt("passphrase"), ssssKeyAccountData).then(function(ssssKey) {
// const ssssKey = new Uint8Array(32);
// const bytes = [123, 47, 138, 15, 190, 69, 224, 204, 88, 246, 203, 65, 243, 234, 91, 17, 250, 107, 104, 51, 211, 252, 81, 67, 80, 191, 105, 208, 127, 87, 107, 231];
// for (var i = bytes.length - 1; i >= 0; i--) {
// ssssKey[i] = bytes[i];
// }
console.log("ssssKey", ssssKey);
bundle.decryptSecret(cryptoDriver, keyId, ssssKey, megolmBackupKeyAccountData).then(function(backupKeyBase64) {
console.log("backupKeyBase64", backupKeyBase64);
bundle.decryptSession(backupKeyBase64, backupInfo, sessionResponse).then(function(session) {
console.log("session", session);
alert(session.session_key);
});
});
});
});
</script>
</body>
</html>