| private static parseKeyDescriptor ( SAML2\XML\md\KeyDescriptor $kd ) : array | null | ||
| $kd | SAML2\XML\md\KeyDescriptor | The KeyDescriptor element. |
| return | array | null | An associative array describing the key, or null if this is an unsupported key. |
private static function parseKeyDescriptor(\SAML2\XML\md\KeyDescriptor $kd)
{
$r = array();
if ($kd->use === 'encryption') {
$r['encryption'] = true;
$r['signing'] = false;
} elseif ($kd->use === 'signing') {
$r['encryption'] = false;
$r['signing'] = true;
} else {
$r['encryption'] = true;
$r['signing'] = true;
}
$keyInfo = $kd->KeyInfo;
foreach ($keyInfo->info as $i) {
if ($i instanceof \SAML2\XML\ds\X509Data) {
foreach ($i->data as $d) {
if ($d instanceof \SAML2\XML\ds\X509Certificate) {
$r['type'] = 'X509Certificate';
$r['X509Certificate'] = $d->certificate;
return $r;
}
}
}
}
return null;
}