public static function setHashAlgorithm($hashAlgorithm)
{
self::$_HASH_ALGORITHM = (string) $hashAlgorithm;
}
/**
* method to calculate md5 fingerprintstring from given fields.
* @return md5 fingerprint hash
* @access private
*/
protected function _calculateFingerprint()
{
$fingerprintOrder = $this->_fingerprintOrder;
if ($this->_fingerprintOrderType == self::$FINGERPRINT_TYPE_DYNAMIC) {
//we have to add REQUESTFINGERPRINTORDER to local fingerprintOrder to add correct value to param list
$fingerprintOrder[] = self::$REQUEST_FINGERPRINT_ORDER;
$requestFingerprintOrder = WirecardCEE_Fingerprint::fingerprintOrderToString($fingerprintOrder);
$this->_setField(self::$REQUEST_FINGERPRINT_ORDER, $requestFingerprintOrder);
}
//fingerprintFields == requestFields + secret - secret MUST NOT be send as param
$fingerprintFields = $this->_getFingerprintFields();
return WirecardCEE_Fingerprint::generate($fingerprintFields, $fingerprintOrder);
}
private function _compareFingerprints($calcFingerprint, $responseFingerprint)
{
$responseFingerprintOrder = $this->_fingerprintOrder;
$responseFingerprintData = $this->_getFingerprintFields($responseFingerprintOrder);
if (!WirecardCEE_Fingerprint::compare($responseFingerprintData, $responseFingerprintOrder, $responseFingerprint)) {
}
if ($responseFingerprint != $calcFingerprint) {
throw new WirecardCEE_Client_QPay_Exception('Fingerprints do not match. calc: ' . $calcFingerprint . ' resp: ' . $responseFingerprint);
} else {
return true;
}
}
