function modexp_init(&$a)
{
if ($a->argc != 2) {
killme();
}
$nick = $a->argv[1];
$r = q("SELECT `spubkey` FROM `user` WHERE `nickname` = '%s' LIMIT 1", dbesc($nick));
if (!count($r)) {
killme();
}
$lines = explode("\n", $r[0]['spubkey']);
unset($lines[0]);
unset($lines[count($lines)]);
$x = base64_decode(implode('', $lines));
$r = ASN_BASE::parseASNString($x);
$m = $r[0]->asnData[1]->asnData[0]->asnData[0]->asnData;
$e = $r[0]->asnData[1]->asnData[0]->asnData[1]->asnData;
header("Content-type: application/magic-public-key");
echo 'RSA' . '.' . $m . '.' . $e;
killme();
}
function pemtome($key, &$m, &$e)
{
require_once 'include/salmon.php';
$lines = explode("\n", $key);
unset($lines[0]);
unset($lines[count($lines)]);
$x = base64_decode(implode('', $lines));
$r = ASN_BASE::parseASNString($x);
$m = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[0]->asnData);
$e = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[1]->asnData);
}