CTFs
Upcoming
Archive
Past events
Tasks
Writeups
Calendar
Teams
Rating
Compare
Create new team
Get team members
FAQ
Contact us
For organizers
Feedback
About
Sign in
Home
/
CTF events
/
picoCTF 2021
/
Tasks
/
More Cookies
More Cookies
Points: 90
Tags:
web
homomorphic
cookies
cbc-bit-flipping
Poll rating:
Edit task details
Writeups
Action
Rating
Author team
Read writeup
2.0
SqU4dR0n
Read writeup
4.0
PWN Team 6
Read writeup
4.0
BlindAsBats
You need to authenticate and join a team to post writeups
Comments
x
Sign in with
I don't remember
