def test_m5g_kausf_vector(self):
"""Can we compute the vector that OAI generates?"""
self.rand = (b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b'
b'\x0c\r\x0e\x0f')
# Inputs extracted from OAI logs
key = b'F[\\\xe8\xb1\x99\xb4\x9f\xaa_\n.\xe28\xa6\xbc'
sqn = 20672
op = 16 * b'\x11'
amf = b'\x80\x00'
serving_network = "5G:mnc456.mcc222.3gppnetwork.org"
snni = serving_network.encode('utf-8')
# Outputs extracted from OAI logs
op_c = b'\xc4\xd5\xe49\x91\xb0\xc5Q\xaf\xf8\xb9%<\x131\xab'
autn = b'\xba\xb4\x99\xbe\xd2"\x80\x00\xfa)\x93+?1\xde\x05'
kausf = (b'\xed\x08\xc3Z\x0b\x93\x88\xdfr\x9a\x9a6\x80e\xd91'
b'\x9a\x12\x14\x95g\x9c1\xe6\xcd\x14(\xd0W$\x10\xac')
crypto = Milenage(amf)
self.assertEqual(crypto.generate_opc(key, op), op_c)
fiveg_ran_auth_vectors = \
crypto.generate_m5gran_vector(key, op_c, sqn, snni)
self.assertEqual(self.rand, fiveg_ran_auth_vectors.rand)
self.assertEqual(autn, fiveg_ran_auth_vectors.autn)
ck = Milenage.f3(key, self.rand, op_c)
ik = Milenage.f4(key, self.rand, op_c)
kausf_ = crypto.generate_m5g_kausf(ck + ik, snni, autn)
self.assertEqual(kausf, kausf_)
def test_f4(self):
""" Tests that the f4 function works as expected.
This is a test set 1 from 3GPP 35.207 6.3
"""
# Fake the random
self.rand = b'#U<\xbe\x967\xa8\x9d!\x8a\xe6M\xaeG\xbf5'
# Inputs
k = b'\x46\x5b\x5c\xe8\xb1\x99\xb4\x9f\xaa\x5f\x0a\x2e\xe2\x38\xa6\xbc'
op = b'\xcd\xc2\x02\xd5\x12> \xf6+mgj\xc7,\xb3\x18'
# Outputs
opc = b'\xcdc\xcbq\x95J\x9fNH\xa5\x99N7\xa0+\xaf'
f4 = b'\xf7\x69\xbc\xd7\x51\x04\x46\x04\x12\x76\x72\x71\x1c\x6d\x34\x41'
self.assertEqual(Milenage.generate_opc(k, op), opc)
ik = Milenage.f4(k, self.rand, opc)
self.assertEqual(ik, f4)