Problem with Service Request catalog 9.52

Hi all.

I tryed to install SRC by the guide.

i have src9.52p1.0013 pack, but i have not this file - "From the location where you unzipped the Service Request Catalog .zip file, extract the contents of ...\files\encryptor-9.50.zip into a separate folder of your choice"

need to know - how i can authenticate in sm server without encryption or wgere i can take this file - encryptor-9.50.zip

ty for solution