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 2022
/
Tasks
/
Substitution 0
/
Writeup
Substitution 0
by
w3ich3rt
/
it-sec.fail
Rating:
Original writeup
(https://www.it-sec.fail/picoctf-2022-crypto-substitution-challenges/).
Comments
x
Sign in with
I don't remember