129 lines
5.3 KiB
HTML
129 lines
5.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
<style type="text/css">
|
|
pre {
|
|
font-family: monospace;
|
|
display: block;
|
|
white-space: pre;
|
|
font-size: 2em;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<script type="text/javascript">
|
|
if (!Math.imul) Math.imul = function(a,b) {return (a*b)|0;}/* 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 src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script>
|
|
<script type="text/javascript" src="../lib/olm/olm_legacy.js"></script>
|
|
<script type="text/javascript">
|
|
function doit(log) {
|
|
var alice = new Olm.Account();
|
|
alice.create();
|
|
log("alice", alice.identity_keys());
|
|
|
|
var bob = new Olm.Account();
|
|
bob.unpickle("secret", "EWfA87or4GgQ+wqVkyuFiW9gUk3FI6QSXgp8E2dS5RFLvXgy4oFvxwQ1gVnbMkdJz2Hy9ex9UmJ/ZyuRU0aRt0IwXpw/SUNq4IQeVJ7J/miXW7rV4Ep+4RSEf945KbDrokDCS2CoL5PIfv/NYyey32gA0hMi8wWIfIlOxFBV4SBJYSC+Qd54VjprwCg0Sn9vjQouKVrM/+5jzsv9+JK5OpWW0Vrb3qrXwyAOEAQ4WlOQcqZHAyPQIw");
|
|
log("bob", bob.identity_keys());
|
|
// generate OTK on receiver side
|
|
bob.generate_one_time_keys(1);
|
|
var bobOneTimeKeys = JSON.parse(bob.one_time_keys());
|
|
var otkName = Object.getOwnPropertyNames(bobOneTimeKeys.curve25519)[0];
|
|
var bobOneTimeKey = bobOneTimeKeys.curve25519[otkName];
|
|
// encrypt
|
|
var aliceSession = new Olm.Session();
|
|
aliceSession.create_outbound(
|
|
alice,
|
|
JSON.parse(bob.identity_keys()).curve25519,
|
|
bobOneTimeKey
|
|
);
|
|
log("alice outbound session created");
|
|
var aliceSessionPickled = aliceSession.pickle("secret");
|
|
log("aliceSession pickled", aliceSessionPickled);
|
|
try {
|
|
var tmp = new Olm.Session();
|
|
tmp.unpickle("secret", aliceSessionPickled);
|
|
log("aliceSession unpickled");
|
|
} finally {
|
|
tmp.free();
|
|
}
|
|
var message = aliceSession.encrypt("hello secret world");
|
|
log("message", message);
|
|
// decrypt
|
|
var bobSession = new Olm.Session();
|
|
bobSession.create_inbound(bob, message.body);
|
|
var plaintext = bobSession.decrypt(message.type, message.body);
|
|
log("plaintext", plaintext);
|
|
// remove Bob's OTK as it was used to start an olm session
|
|
log("bob OTK before removing", bob.one_time_keys());
|
|
bob.remove_one_time_keys(bobSession);
|
|
log("bob OTK after removing", bob.one_time_keys());
|
|
}
|
|
|
|
if (window.msCrypto && !window.crypto) {
|
|
window.crypto = window.msCrypto;
|
|
}
|
|
|
|
function doRun(e) {
|
|
e.target.setAttribute("disabled", "disabled");
|
|
var logEl = document.getElementById("log");
|
|
logEl.innerText = "";
|
|
var startTime = performance.now();
|
|
function log() {
|
|
var timeDiff = Math.round(performance.now() - startTime).toString();
|
|
while (timeDiff.length < 5) {
|
|
timeDiff = "0" + timeDiff;
|
|
}
|
|
logEl.appendChild(document.createTextNode(timeDiff + " "));
|
|
for (var i = 0; i < arguments.length; i += 1) {
|
|
var value = arguments[i];
|
|
if (typeof value !== "string") {
|
|
value = JSON.stringify(value);
|
|
}
|
|
logEl.appendChild(document.createTextNode(value + " "));
|
|
}
|
|
logEl.appendChild(document.createTextNode("\n"));
|
|
}
|
|
doit(log);
|
|
e.target.removeAttribute("disabled");
|
|
}
|
|
|
|
function main() {
|
|
Olm.init( ).then(function() {
|
|
var startButton = document.getElementById("start");
|
|
startButton.innerText = "Start";
|
|
startButton.addEventListener("click", doRun);
|
|
});
|
|
}
|
|
document.addEventListener("DOMContentLoaded", main);
|
|
</script>
|
|
<pre id="log"></pre>
|
|
<button id="start">Loading...</button>
|
|
</body>
|
|
</html>
|
|
|