#IrisCTF2024 # https://en.wikipedia.org/wiki/Salsa20#ChaCha20_adoption from Crypto.Util.number import long_to_bytes, bytes_to_long import secrets def ROTL(a, b): return (((a) << (b)) | ((a % 2**32) >> (32 - (b)))) % 2**32 def qr(x, a, b, c…

#0CTF_Quals_2021 #!/usr/bin/python3 import os import socketserver import random import signal import string import struct from hashlib import sha256 import secrets import pykeepass from flag import flag MAXSIZE = 0x2000 class Task(socketse…