#UMASS_CTF_2022 #!/usr/local/bin/python # # Polymero # # Imports from Crypto.Util.number import long_to_bytes, bytes_to_long, getPrime, inverse from base64 import urlsafe_b64encode, urlsafe_b64decode from hashlib import sha256 import json …

#UMASS_CTF_2022 #!/usr/bin/env python3 # # Polymero # # Imports import os # Local imports with open('flag.txt','rb') as f: FLAG = f.read() f.close() def bytes_to_mat(x): assert len(x) == 32 bits = list('{:0256b}'.format(int.from_bytes(x,'b…

#UMASS_CTF_2022 #!/usr/bin/env python3 # # Polymero # # Imports import os # Local imports with open("flag.txt",'rb') as f: FLAG = f.read() f.close() HDR = r"""| | __________ ______________ _____ | ___ ____/_____ _________ /__ ____/________…