$value) { $string .= "&$key=$value"; } $string = substr($string, 1); // remove leading "&" $sign = hash( "sha256", $string); return $sign; } function makeHash($data, $alg) { // $s = hash_hmac('sha256', $data, 'secret', true); // return base64_encode($s); ///$ret = openssl_digest($data, $alg); $ret = hash($alg, $data); return $ret; } // function makeSignatureAuth($parameters) { if ($parameters == null || sizeof($parameters) == 0) { throw new Exception("

Parameters can not be empty.

"); } $stringToSign = ""; //반환용 text $mid = $parameters["mid"]; //mid $tstamp = $parameters["tstamp"]; //auth timestamp $MOID = $parameters["MOID"]; //OID $TotPrice = $parameters["TotPrice"]; //total price $tstampKey = substr($parameters["tstamp"], strlen($parameters["tstamp"]) - 1); // timestamp 마지막 자리 1자리 숫자 switch (intval($tstampKey)){ case 1 : $stringToSign = "MOID=" . $MOID . "&mid=" . $mid . "&tstamp=" . $tstamp ; break; case 2 : $stringToSign = "MOID=" . $MOID . "&tstamp=" . $tstamp . "&mid=" . $mid ; break; case 3 : $stringToSign = "mid=" . $mid . "&MOID=" . $MOID . "&tstamp=" . $tstamp ; break; case 4 : $stringToSign = "mid=" . $mid . "&tstamp=" . $tstamp . "&MOID=" . $MOID ; break; case 5 : $stringToSign = "tstamp=" . $tstamp . "&mid=" . $mid . "&MOID=" . $MOID ; break; case 6 : $stringToSign = "tstamp=" . $tstamp . "&MOID=" . $MOID . "&mid=" . $mid ; break; case 7 : $stringToSign = "TotPrice=" . $TotPrice . "&mid=" . $mid . "&tstamp=" . $tstamp ; break; case 8 : $stringToSign = "TotPrice=" . $TotPrice . "&tstamp=" . $tstamp . "&mid=" . $mid ; break; case 9 : $stringToSign = "TotPrice=" . $TotPrice . "&MOID=" . $MOID . "&tstamp=" . $tstamp ; break; case 0 : $stringToSign = "TotPrice=" . $TotPrice . "&tstamp=" . $tstamp . "&MOID=" . $MOID ; break; } $signature = hash("sha256", $stringToSign); // sha256 처리하여 hash 암호화 //$signature = $this->makeHash($stringToSign, "sha256"); // sha256 처리하여 hash 암호화 return $signature; } }