/usr/share/javascript/jsxc/lib/dsa-ww.js is in libjs-jsxc 1.0.0~dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(function(root) {
"use strict";
root.OTR = {}
root.crypto = {}
root.DSA = {};
// default imports
var imports = [
'build/dep/salsa20.js',
'build/dep/bigint.js',
'build/dep/crypto.js',
'build/dep/eventemitter.js',
'lib/const.js',
'lib/helpers.js',
'lib/dsa.js',
]
function sendMsg(type, data) {
postMessage({
type: type,
data: data,
})
}
self.onmessage = function(e) {
var data = e.data;
root.crypto = {
getRandomValues: function() {
var buf = data.random;
}
};
if (data.imports)
imports = data.imports
importScripts.apply(self, imports);
sendMsg('debug', 'DSA key creation started')
var dsa = new DSA()
sendMsg('debug', 'DSA key creation finished')
sendMsg('data', {key: dsa.packPrivate()})
}
}(this))
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