# Hoofdstuk 2: encryptie --- ## Encrypteren <img src="./img/h2/encryption.png" class="r-stretch" /> --- ## Decrypteren <img src="./img/h2/decryption.png" class="r-stretch" /> --- ## ROT13 - Caesar's cipher - Gebruikt bij de Romeinen - https://rot13.com/ <img src="./img/h2/rot13.png" height="400" /> <img src="./img/h2/rot13-example.svg" height="400" /> --- ## Let's try! - 7-zip & VeraCrypt om geëncrypteerde containers te maken - https://hogenttin.github.io/cybersecurity/h4/symmetrisch-encrypteren/symmetrisch-encrypteren/ <img src="https://upload.wikimedia.org/wikipedia/commons/3/37/7-Zip_Logo.png" height="400" /> <img src="https://upload.wikimedia.org/wikipedia/commons/6/6a/VeraCrypt_Logo.svg" height="400" /> --- ## Wachtwoorden kraken - Dictionary attack - https://www.kaggle.com/datasets/wjburns/common-password-list-rockyoutxt - https://weakpass.com/wordlists/rockyou.txt - https://www.ncsc.gov.uk/staticjson/static-assets/documents/PwnedPasswordsTop100k.txt - https://weakpass.com/wordlists/10_million_password_list_top_1000000.txt - Brute force - `aaa`, `aab`, `aac`, ... , `zzx`, `zzy`, `zzz` --- ## Zo gaat het niet ... <iframe width="1280" height="720" src="https://www.youtube.com/embed/msX4oAXpvUE?si=i1ODpvQvOB7p4uKi" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> --- ## Let's try! - 7-zip kraken met John the Ripper - https://hogenttin.github.io/cybersecurity/h4/zip-kraken/zip-kraken/ <img src="https://www.salamatechwiki.org/images/1/1e/John_the_Ripper_logo.png" height="400" /> ---