Hint for Galiver 2020-Dec-Sun 05:03:27

HINT: for crypto task Galiver we decrease the nbit to ~ 200 bit

New mirror for Trio couleurs 2020-Dec-Sun 11:45:25

We have added a new mirror for Trio couleurs to increase performance! Please try new mirror too!

Mask Store UPDATED! 2020-Dec-Sat 02:40:31

The Source Code For "Mask Store" Challenge is Now Available to Download!

Crusoe task 2020-Dec-Fri 09:28:32

It seems that there are multiple acceptable strings that generate the flag.crusoe. Get the flag from the remote server mentioned in the challenge description.

Coffeehouse challenge has been updated again. 2020-Dec-Fri 07:32:33

Unfortunately we had to change Coffeehouse challenge's file again, ReDOWNLOAD please.

Fixing Coffeehouse Challenge 2020-Dec-Fri 06:38:34

We just fixed a tiny problem in Coffeehouse challenge. Re-Download the file please.

Registration is now open! 2020-Dec-Tue 01:20:42

Registration is open now, please go to the registration page. If you have any problem with the registration process, feel free to contact us. Note that anyone can register, play, and get the CTFTime points.

ASIS CTF finals 2020 website 2020-Dec-Tue 01:19:29

The 16th ASIS CTF finals website is now online. The countdown timer shows the remaining time to 16th ASIS CTF finals 2020. There are some links to access News, FAQ, etc.