def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.p = dhlib._p
self.g = dhlib._g
self.Ka, self.KA = dhlib.gen_key(self.p, self.g)
def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.N = _N
self.g = _G
self.Ka, self.KA = dhlib.gen_key(self.N, self.g) # client DH key
self.mel, self.pwd = random.choice(IDS)
print(f'Client: {self.mel.decode()}:{self.pwd.decode()}')
def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.N = _N
self.g = _G
self.Ka, self.KA = dhlib.gen_key(self.N, self.g) # client DH key
self.k = _K
self.mel = b'*****@*****.**'
self.pwd = b's3cr3t_p4ssw0rd'
def run(self):
assert self.outbox is not None
p, g, KA = self.inbox.get()
Kb, KB = dhlib.gen_key(p, g)
self.outbox.put(KB)
s = pow(KA, Kb, p)
key = SHA1.new(int_to_bytes(s)).digest()[:BS]
ciph, iv = self.inbox.get()
msg = unpad(AES.new(key, AES.MODE_CBC, iv).decrypt(ciph), BS)
print('Bob: ', msg)
iv = get_random_bytes(BS)
ciph = AES.new(key, AES.MODE_CBC, iv).encrypt(pad(msg, BS))
self.outbox.put((ciph, iv))
print('Bob: done')
def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.N = _N
self.g = _G
self.Kb, self.KB = dhlib.gen_key(self.N, self.g) # server DH key
# precomp. server db
self.DB = {}
for mel, pwd in IDS:
salt = get_random_bytes(BS)
Kx = int.from_bytes(SHA256.new(salt + pwd).digest(), 'big')
KX = pow(self.g, Kx, self.N)
self.DB[mel] = (salt, KX) # salt & pwd DH "public" key
def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.N = _N
self.g = _G
self.Kb, self.KB = dhlib.gen_key(self.N, self.g) # server DH key
self.k = _K
# precomp. server db
self.DB = {}
mel = b'*****@*****.**'
pwd = b's3cr3t_p4ssw0rd'
salt = get_random_bytes(BS)
Kx = int.from_bytes(SHA256.new(salt+pwd).digest(), 'big')
KX = pow(self.g, Kx, self.N)
self.DB[mel] = (salt, KX) # salt & pwd DH "public" key
def __init__(self, outbox=None):
Thread.__init__(self)
self.inbox = SimpleQueue()
self.outbox = outbox
self.p, self.g = dhlib._groups[randint(0, 2)]
self.Ka, self.KA = dhlib.gen_key(self.p, self.g)