def assign_key(id, p, q):
p = fc.hex_to_int(p)
q = fc.hex_to_int(q)
M = p * q
a = compute_a_value(id, M)
r = pow(int(a, 16), (M + 5 - (p + q)) // 8, M)
return fc.int_to_hex(r)[2:]
def main(nazir_ip, mix_ip, nbr_partners, data):
testcap = open(data, 'rb')
capfile = savefile.load_savefile(testcap, layers=2, verbose=True)
all_sets, distinct_sets = learn(nazir_ip, mix_ip, capfile, nbr_partners)
ips = exclude(distinct_sets, all_sets)
print("Found the following partners of Nazir:")
sum = 0
for ip_set in ips:
ip = ip_set.pop()
print("IP: {}".format(ip))
sum += fc.hex_to_int(fc.ip_to_hex(ip))
print("Sum of IPs: {}".format(sum))
import format_converter as fc
__author__ = "Marcus Rodan"
if __name__ == "__main__":
print("Question 1: {}".format(fc.int_to_hex(2897)))
print("Question 2: {}".format(fc.hash_int(2897, 4)))
print("Question 3: {}".format(fc.hex_to_int("0123456789abcdef")))
print("Question 4: {}".format(
fc.hex_to_int(fc.hash_int(fc.hex_to_int("0123456789abcdef"), 8))))
def compute_shared_secret(dh_secret, shared_password):
g_x1x2_bytes = fc.int2bytearray(dh_secret)
sp_bytes = bytearray(shared_password.encode('utf-8'))
return fc.hex_to_int(fc.hash_bytearray(g_x1x2_bytes + sp_bytes))
def test_hex_to_int(self):
self.assertEqual(format_converter.hex_to_int("000001f4"), 500)
def test_hash_ex2(self):
nbr = format_converter.hex_to_int("fedcba9876543210")
hash_hex = format_converter.hash_int(nbr, 8)
hash_int = format_converter.hex_to_int(hash_hex)
self.assertEqual(hash_int,
946229717077375328329532411653585908948565005770)
def f(x_i, y_i):
x_bytearray = fc.hex_to_bytearray(x_i)
y_bytearray = fc.hex_to_bytearray(y_i)
return fc.hex_to_int(fc.hash_bytearray(x_bytearray + y_bytearray))
def decrypt(msg, d, n):
return fc.bytearray_to_hex(fc.int2bytearray((fc.hex_to_int(msg)**d) % n))
def f(x_i, y_i):
#return fc.bytearray_to_int(fc.hash_bytearray(fc.hex_to_bytearray(x_i) + fc.hex_to_bytearray(y_i)))
x_bytearray = fc.hex_to_bytearray(x_i)
y_bytearray = fc.hex_to_bytearray(y_i)
return fc.hex_to_int(fc.hash_bytearray(x_bytearray + y_bytearray))
def ha(x):
return fc.hex_to_int(fc.hash_int(x))
def ip_to_int(ip):
return fc.hex_to_int(fc.ip_to_hex(ip))