Fixed encoding.

RecodeCertificate.py

@@ -37,7 +37,7 @@ while True:
     # otherwise
     try:
         with open(infile, 'rb') as pkcs12file:
-            p12 = crypto.load_pkcs12(pkcs12file.read(), password.encode('ascii'))
+            p12 = crypto.load_pkcs12(pkcs12file.read(), password.encode('utf-8'))
         break
     except crypto.Error:
         messagebox.showinfo('Fehler!', 'Zertifikat konnte nicht geöffnet werden!')