var CertBase64 = yield Certificate.Export(0);
document.getElementById("CertBase64TxtBox").innerHTML = CertBase64;
SaveData('CertBase64TxtBox','application/x509-cert',true); 

 function GetInputValue(name) {
                          var input = document.getElementById(name);
                          if (!input) return "";
                          return input.value;
                      }  
 function SaveData(IdInput, DataType, decodeToBin){     
 var s =  GetInputValue(IdInput);   
   if (decodeToBin)
         	  { 
         	    var oMyBlob = new Blob([Base64Binary.decode(s)], {type : DataType});   
         	    window.open(URL.createObjectURL(oMyBlob)); 
         	    return;
         	   } 
         	  var oMyBlob = new Blob([s], {type : DataType});  
         	  window.open(URL.createObjectURL(oMyBlob)); 
            }