<form name="form1" id="form1" action="2.php" method="post">
 
              <input type="button" id="signData"      name="signData"     value="Подписать данные" style="width: 280px" ><br>
              <input type="button" id="verifyData"    name="verifyData"   value="Проверить данные" style="width: 280px" ><br>
              <input type="button" id="getTimeSig"    name="getTimeSig"   value="Получить время подписи" style="width: 280px"><br><br>
             
            <!--__________________________________________3 выходных окна____________________________________-->
          <tr><td colspan="3" style="width: 730px; height: 220px"><textarea name="textBOX1" class="result maxWidth" style="width: 730px; height: 220px"></textarea></td></tr>
          <tr><td colspan="3" style="width: 730px; height: 220px"><textarea name="textBOX2" class="maxWidth" style="width: 730px; height: 220px"></textarea></td></tr>
          <tr><td colspan="3" style="width: 730px; height: 120px"><textarea name="textBOX3" class="maxWidth" style="width: 730px; height: 120px"></textarea></td></
     <input name="infoIden" id="infoIden" type="hidden" value="">
   </form>

<? header('Content-Type:text/html; charset=utf-8');
 
$PHP_LIB = new COM('HybridLib.Hybrid') ;
$textBOX1 = $_POST['textBOX1'];
$textBOX2 = $_POST['textBOX2'];
$infoIden = $_POST['infoIden'];
 
    if($infoIden == "Подписать данные")
    {
      $outSign = "";
      $PHP_LIB-> SignData("256", 0, $textBOX1, &$outSign);
      echo $outSign;
    }
    elseif($infoIden == "Получить время подписи")
    {
       <?php
       $inData = $textBOX2;
       $datetime = 0;
       $PHP_LIB->TSAGetTimeFromSig($inData, 0, 0, &$datetime);
       echo $datetime;
    }
?>

     $(document).ready(function(){
          $('body').on('click', '#signData', function(){
            var form = $(this).parents('form#form1');
            window.document.form1.infoIden.value = "Подписать данные" ;
            $('textarea[name=textBOX2]').val('');
              form.ajaxSubmit({
                beforeSubmit: function(){
                  var ar_Field = form.find('input').fieldSerialize().split('&');
                  for (var i = 0; i < ar_Field.length; i++)
                  {
                    var val = ar_Field[i].split('=');
                  }
                },
                complete: function(xhr) {
                  console.log(xhr);
                  $('textarea[name=textBOX2]').val(xhr.responseText);
                }
            });
          });
        });
 
$(document).ready(function(){
          $('body').on('click', '#getTimeSig', function(){
            var form = $(this).parents('form#form1');
            window.document.form1.infoIden.value = "Получить время подписи" ;
            $('textarea[name=textBOX3]').val('');
                  form.ajaxSubmit({
                    beforeSubmit: function(){
                      var ar_Field = form.find('input').fieldSerialize().split('&');
                      for (var i = 0; i < ar_Field.length; i++)
                      {
                        var val = ar_Field[i].split('=');
                      }
                    },
                    complete: function(xhr) {
                      console.log(xhr);
                      $('textarea[name=textBOX3]').val(xhr.responseText);
                    }
              });    
          });
        });

  private void btn_GetTimeFromSig_Click(object sender, EventArgs e)
        {
            string inData = textBox2.Text;
            long outDateTime = 0;
            KalkanCOMTest.TSAGetTimeFromSig(inData, 0, 0, out outDateTime);
         
                DateTime date = new DateTime(1970, 1, 1).AddSeconds(outDateTime).AddHours(6); //Добавим 6 часов - часовой пояс Алматы
                textBox8.Text += "Время подписи: " + date.ToString("dd.MM.yyyy HH-mm-ss") + " ALMT";
        }

STDMETHODIMP HybridCOM::TSAGetTimeFromSig(BSTR inData, INT flags, INT sigId, DATE* outDateTime)
{
    time_t tmpOutDateTime = 0;
    int tmpInDataLength = wcslen(inData) + 1;
    std::vector<char> tmpInData(tmpInDataLength);
 
    WideCharToMultiByte(CP_UTF8, 0, (LPCWCH)inData, tmpInDataLength, (LPSTR)&tmpInData[0], tmpInDataLength, NULL, NULL);
   
    kc_funcs->KC_GetTimeFromSig(&tmpInData[0], tmpInDataLength, flags, sigId, &tmpOutDateTime);
 
    return S_OK;