Encrypting Session Cookies For User Security

Session Data

Session Data - struct
cfid 1145607
cftoken de1c665414c49103-A2474313-0047-9538-B98365ECF82E1CE2
sessionid 098DFC0F5403100D9DEEB2F46033342C_1145607_de1c665414c49103-A2474313-0047-9538-B98365ECF82E1CE2
urltoken CFID=1145607&CFTOKEN=de1c665414c49103-A2474313-0047-9538-B98365ECF82E1CE2

index.cfm?cfid=1145607&cftoken=de1c665414c49103-A2474313-0047-9538-B98365ECF82E1CE2