If the paste uses a password instead of a raw key (common in Hacker101 challenges), you may need PBKDF2:
from Crypto.Protocol.KDF import PBKDF2 salt = b'some_salt' password = "flag..." key = PBKDF2(password, salt, dkLen=32, count=10000) hacker101 encrypted pastebin
https://privatebin.net/?abc123#G9fD3wXpLq8zRm2v If the paste uses a password instead of
Hacker101 is a free, video-based web security training course created by HackerOne. It covers everything from SQL injection and XSS to session fixation and cryptographic flaws. hacker101 encrypted pastebin