Old environment setup code samples

Client

var webappcert = "4HfLHzMS05>]T+PeNPw<X/qE2d+7^Fi4*tXK5XUSpj-5F?v220vO$U&V?<[}t1$T{SgWs]g1wFx0t^wKX88E=tBG:>Q=?r-f-mJ4nre!!s7cqOJ0/Os@Kw?HHaS>ewC+WPnDEbhxh:6MUtZIt0+D^Wa2eO?(&l.>A0MDw!JF2K0[8TM{W^[FLaq?oRb{WDRmEmo#oEoV3e<fhfH[+Cl7y)FJF0fMO28[.s=0JC@3ymR*]Zxq!{^$KgsBYg/7Ad.EHJiiea.!K@G&:H=1&T{K</+P7k]^-6GnEr*GM=?6{8Sk&w.VduRhSE!kr)QHYv$yi";
return SCWS.findService(webbappcert).then(function(challenge) {
        return new Promise(function(resolve, reject) {
                var req = new XMLHttpRequest();
                req.onreadystatechange = function () {
                        if (this.readyState === 4) {
                                if (this.status === 200)
                                        resolve(req.responseText);
                                else
                                        reject(new Error("Challenge signature failed"));
                        }
                };
                req.open("GET", "signchallenge.php?rnd=" + challenge, true);
                req.send();
        }).then(function(signature) {
                return SCWS.createEnvironment(signature);
        })
});

Server

signchallenge.php:

<?php
        $k = <<<EOT
-----BEGIN RSA PRIVATE KEY-----
MIIBOgIBAAJBAMPMNNpbZZddeT/GTjU0PWuuN9VEGpxXJTAkmZY02o8238fQ2ynt
N40FVl08YksWBO/74XEjU30mAjuaz/FB2kkCAwEAAQJBALoMlsROSLCWD5q8EqCX
rS1e9IrgFfEtFZczkAWc33lo3FnFeFTXSMVCloNCBWU35od4zTOhdRPAWpQ1Mzxi
aCkCIQD9qjKjNvbDXjUcCNqdiJxPDlPGpa78yzyCCUA/+TNwVwIhAMWZoqZO3eWq
SCBTLelVQsg6CwJh9W7vlezvWxUni+ZfAiAopBAg3jmC66EOsMx12OFSOTVq6jiy
/8zd+KV2mnKHWQIgVpZiLZo1piQeAvwwDCUuZGr61Ap08C3QdsjUEssHhOUCIBee
72JZuJeABcv7lHhAWzsiCddVAkdnZKUo6ubaxw3u
-----END RSA PRIVATE KEY-----
EOT;
        $output = "";
        openssl_private_encrypt(hex2bin($_GET["rnd"]), $output, openssl_pkey_get_private($k));
        echo bin2hex($output);
?>