Encrypting Session Cookies For User Security

Session Data

Session Data - struct
cfid 40305802
cftoken 455f7347a168c5de-8EFAEC5F-BC30-6B1A-8F3817E4BED7A3FF
sessionid 098DFC0F5403100D9DEEB2F46033342C_40305802_455f7347a168c5de-8EFAEC5F-BC30-6B1A-8F3817E4BED7A3FF
urltoken CFID=40305802&CFTOKEN=455f7347a168c5de-8EFAEC5F-BC30-6B1A-8F3817E4BED7A3FF

index.cfm?cfid=40305802&cftoken=455f7347a168c5de-8EFAEC5F-BC30-6B1A-8F3817E4BED7A3FF