Encrypting Session Cookies For User Security

Session Data

Session Data - struct
cfid 39969135
cftoken f5f3a65f07fdc7a4-8B285962-0F95-46EC-2AA10540E776E3E1
sessionid 098DFC0F5403100D9DEEB2F46033342C_39969135_f5f3a65f07fdc7a4-8B285962-0F95-46EC-2AA10540E776E3E1
urltoken CFID=39969135&CFTOKEN=f5f3a65f07fdc7a4-8B285962-0F95-46EC-2AA10540E776E3E1

index.cfm?cfid=39969135&cftoken=f5f3a65f07fdc7a4-8B285962-0F95-46EC-2AA10540E776E3E1