in MonoToMicroUI/fontawesome-free/js/conflict-detection.js [449:468]
function rstrHMACMD5(key, data) {
var i;
var bkey = rstr2binl(key);
var ipad = [];
var opad = [];
var hash;
ipad[15] = opad[15] = undefined;
if (bkey.length > 16) {
bkey = binlMD5(bkey, key.length * 8);
}
for (i = 0; i < 16; i += 1) {
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5c5c5c5c;
}
hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
return binl2rstr(binlMD5(opad.concat(hash), 512 + 128));
}