NICE API 인증모듈

 
$url = 'https://svc.niceapi.co.kr:22001/digital/niceid/api/v1.0/common/crypto/token';
    $auth = base64_encode("해당키값1".":".time().":"."해당값2");
    $header = array(
        'Content-Type: application/json',
        'Authorization: bearer '.$auth,
        'client_id:'."해당값3",
        'ProductID:'."해당값4"
    );
    $req_dtim = date("YmdHis");
    $req_no = substr("pc".strtoupper(md5(mt_rand())), 0, 12);
    $post_in = array(
        "req_dtim" => $req_dtim,
        "req_no" => $req_no,
        "enc_mode" => "1"
    );
    $post = array(
        "dataBody"=>$post_in
    );
    $post_en = json_encode($post);
    $ch = curl_init();
    curl_setopt_array($ch, array(
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_ENCODING => '',
        CURLOPT_MAXREDIRS => 10,
        CURLOPT_TIMEOUT => 0,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
        CURLOPT_CUSTOMREQUEST => 'POST',
        CURLOPT_POSTFIELDS => $post_en,
        CURLOPT_HTTPHEADER => $header,
    ));
    $rtn = curl_exec($ch);
    curl_close($ch);
    if ($rtn === FALSE) {
        error_log('Curl failed');
        die('Curl failed: ' . curl_error($ch));
    }
   
    $res = json_decode($rtn, true);
 
// ex.
    // [dataBody] => Array (
    // [rsp_cd] => P000
    // [result_cd] => 0000
    // [site_code] => Q....Q=
    // [token_version_id] => 2022.....A0B1A
    // [token_val] => uhzU.....2ypRhE=
    // [period] => 3600 ) )
    $res_cert = $res['dataBody'];
    //대칭키를 생성한다
    $_key = trim($req_dtim).trim($req_no).trim($res_cert['token_val']);
    $_key_hash = base64_encode(hash('sha256',$_key, true));
    $key = substr($_key_hash,0, 16);
    $iv = substr($_key_hash,-16);
    //무결성키를 생성한다
    $hmac_key = substr($_key_hash, 0, 32);
    //키값을 세션에 담아준다(결과데이터 복호화를 위함)
    $_SESSION['_nice_key'] = $key;
    $_SESSION['_nice_iv'] = $iv;
    //요청데이터들 암호화처리시작
    //receivedata=리턴페이지에 전달할 변수나 내용들
    $_data = array(
        "requestno" => $req_no,
        "returnurl" => "도메인/callback.php",
        "sitecode" => $res_cert['site_code'],
        "methodtype" => 'post',
        "popupyn" => 'N',
        "receivedata" => "전달받고싶은내용"
    );
    $data = json_encode($_data, JSON_UNESCAPED_SLASHES);
    $enc_data = base64_encode(openssl_encrypt($data, 'AES-128-CBC', $key, OPENSSL_RAW_DATA, $iv));
    //hmac 무결성체크값(intigrety_value) 생성하기
    $hmac = hash_hmac("sha256", $enc_data, $hmac_key, true);
    $intigrety_value = base64_encode($hmac);
    //form 전송할 항목
    $rtn = array(
        "token_version_id" => $res_cert['token_version_id'],
        "enc_data" => $enc_data,
        "integrity_value" => $intigrety_value,
    );
 
<form name="form_chk" id="form_chk" method="get" action="https://nice.checkplus.co.kr/CheckPlusSafeModel/checkplus.cb">
    <input type="hidden" id="m" name="m" value="service" />
    <input type="hidden" id="token_version_id" name="token_version_id" value="<?=$rtn['token_version_id']?>" />
    <input type="hidden" id="enc_data" name="enc_data" value="<?=$rtn['enc_data']?>" />
    <input type="hidden" id="integrity_value" name="integrity_value" value="<?=$rtn['integrity_value']?>" />
    <a href="javascript:fnSubmit();"> CheckPlus 안심본인인증 Click</a>
</form>
<script language='javascript'>
    function fnSubmit(){
        document.form_chk.submit();
    }
</script>
 
 
callback파일
function get_decrypt_nice_data($res_enc_data, $_nice_key, $_nice_iv){
    $_enc_data = base64_decode($res_enc_data); //methodtype post로 설정해서 보냈는데도 get으로 결과값 전달됨..
    //디코딩한 결과데이터 복호화처리 => charset 맞춰주기 => 배열로 디코딩
    $enc_data = openssl_decrypt($_enc_data, 'AES-128-CBC', $_nice_key, OPENSSL_RAW_DATA, $_nice_iv);
    $enc_data = iconv("euc-kr", "utf-8",$enc_data);
    $res_data = json_decode($enc_data, true);    
    return $res_data;
}
$res_data = get_decrypt_nice_data($_REQUEST['enc_data'], $_SESSION['_nice_key'], $_SESSION['_nice_iv']);
 
res_data를 db에 넣어거나 활용하면 끝