KalmarCTF 2024 – One key to rule them all

Categorie: Web
Points: 484
Solves: 11
Description:
Encryption is easy, but key management is hard – I got the solution! Just use one key everywhere, i.e. nothing to manage (just don’t lose it)
http://one-key.chal-kalmarc.tf:5000
Attachments: official Github repo (not available yet)

Archive:  handout-onekey.zip
  Length      Date    Time    Name
---------  ---------- -----   ----
        0  03-15-2024 19:44   handout-onekey/
     1102  03-06-2024 23:04   handout-onekey/Dockerfile
     6631  03-06-2024 23:04   handout-onekey/app.py
      399  03-06-2024 23:04   handout-onekey/readflag.c
      440  03-06-2024 23:04   handout-onekey/supervisord.conf
      196  03-15-2024 19:44   handout-onekey/docker-compose.yml …

app archive can challenge compose .conf docker dockerfile error files flag instance length local malware analysis name onekey reconnaissance zip