diff --git a/tclcheck.py b/tclcheck.py
index 168ec3c..57b8c98 100644
--- a/tclcheck.py
+++ b/tclcheck.py
@@ -4,6 +4,7 @@
 # pylint: disable=C0111,C0326
 
 import tcllib
+import random
 import sys
 
 fc = tcllib.FotaCheck()
@@ -25,7 +26,7 @@ fc.cltp  = 10
 #fc.cltp  = 2010
 
 check_xml = fc.do_check()
-#print(fc.pretty_xml(check_xml))
+print(fc.pretty_xml(check_xml))
 curef, fv, tv, fw_id, fileid, fn, fsize, fhash = fc.parse_check(check_xml)
 
 req_xml = fc.do_request(curef, fv, tv, fw_id)
diff --git a/tcllib.py b/tcllib.py
index 5702bb3..f0ed78d 100644
--- a/tcllib.py
+++ b/tcllib.py
@@ -116,6 +116,15 @@ class FotaCheck:
         hexhash = engine.hexdigest()
         return hexhash
 
+    @staticmethod
+    def get_creds():
+        creds = {
+            b"YWNjb3VudA==": b"emhlbmdodWEuZ2Fv",
+            b"cGFzc3dvcmQ=": b"cWFydUQ0b2s=",
+        }
+        params = {base64.b64decode(key): base64.b64decode(val) for key, val in creds.items()}
+        return params
+
     '''
         private HashMap<String, String> buildDownloadUrisParams(UpdatePackageInfo updatePackageInfo) {
             FotaLog.m28v(TAG, "doAfterCheck");
@@ -180,10 +189,7 @@ class FotaCheck:
         return fileid, fileurl, slaves, encslaves
 
     def encrypt_header(self, address, encslave):
-        encs = dict()
-        encs[b"YWNjb3VudA=="] = b"emhlbmdodWEuZ2Fv"
-        encs[b"cGFzc3dvcmQ="] = b"cWFydUQ0b2s="
-        params = {base64.b64decode(key): base64.b64decode(val) for key, val in encs.items()}
+        params = self.get_creds()
         params[b"address"] = bytes(address, "utf-8")
         url = "https://" + encslave + "/encrypt_header.php"
         req = self.sess.post(url, data=params, verify=False)