def is_admin(ct):
pt = aes.decrypt_cbc(ct, key)
cookies = []
for i in pt.split(';'):
parts = i.split('=')
if len(parts) != 2:
raise InvalidCookie()
if parts[0] == 'admin' and parts[1] == 'true':
return True
return False
def valid_padding(ct): try: aes.decrypt_cbc(ct, key) except aes.InvalidPadding: return False return True
def consume_ct(ct):
pt = aes.decrypt_cbc(key + ct, key)
if not util.is_ascii(pt):
raise NonAscii(pt)
def recv_ct(con, key):
'''reads <len> <aes cbc encrypted msg>'''
return aes.decrypt_cbc(recv_len_payload(con), key)
import aes
import base64
with open('10.txt', 'r') as f:
ct = base64.b64decode(''.join(f.read().split()))
key = "YELLOW SUBMARINE"
print aes.decrypt_cbc('\x00' * 16 + ct, key)