Encrypting Session Cookies For User Security

Session Data

Session Data - struct
cfid 40110011
cftoken a81109516af48a00-B4AC31D9-E8DD-FB80-68227883FFC9994D
sessionid 098DFC0F5403100D9DEEB2F46033342C_40110011_a81109516af48a00-B4AC31D9-E8DD-FB80-68227883FFC9994D
urltoken CFID=40110011&CFTOKEN=a81109516af48a00-B4AC31D9-E8DD-FB80-68227883FFC9994D

index.cfm?cfid=40110011&cftoken=a81109516af48a00-B4AC31D9-E8DD-FB80-68227883FFC9994D