corCTF 2022 tadpole tadpoles only know the alphabet up to b... how will they ever know what p is? 添付ファイル:tadpole.py, output.txt #tadpole.py from Crypto.Util.number import bytes_to_long, isPrime from secrets import randbelow p = bytes_to_long(open("flag.txt", "rb").read()) assert isPrime(p) a = randb…