> cd /tags/cryptography/

> ls -l

total 10

-rw-r--r--   3519 2022-04-04 ritsec-ctf-2022-write-up.md

-rw-r--r--   3325 2021-03-29 umassctf-2021-write-up.md

-rw-r--r--   3713 2021-03-15 nahamcon-2021-ctf-write-up.md

-rw-r--r--   3422 2021-03-07 neton-ctf-2021-write-up.md

-rw-r--r--   3616 2021-02-22 tenable-ctf-2021-write-up.md

-rw-r--r--   3713 2021-02-06 trollcat-ctf-2021-write-up.md

-rw-r--r--   3907 2021-01-31 0x41414141-ctf-2021-write-up.md

-rw-r--r--   3422 2021-01-26 shadowctf-2021-write-up.md

-rw-r--r--   3616 2021-01-17 0xl4ugh-ctf-2021-write-up.md

-rw-r--r--   4877 2021-01-03 brixel-ctf-winter-edition-2020-writeup.md