def test_mac_vectors(self):
k1, k2 = _mac_ks(self.ciph.encrypt, 8)
self.assertSequenceEqual(hexenc(k1), "5f459b3342521424")
self.assertSequenceEqual(hexenc(k2), "be8b366684a42848")
self.assertSequenceEqual(
hexenc(mac(self.ciph.encrypt, 8, hexdec(self.plaintext))[:4]),
"154e7210",
)
def test_mac_vectors(self):
k1, k2 = _mac_ks(self.ciph.encrypt, 16)
self.assertSequenceEqual(hexenc(k1),
"297d82bc4d39e3ca0de0573298151dc7")
self.assertSequenceEqual(hexenc(k2),
"52fb05789a73c7941bc0ae65302a3b8e")
self.assertSequenceEqual(
hexenc(mac(self.ciph.encrypt, 16, hexdec(self.plaintext))[:8]),
"336f4d296059fbe3",
)
def mac(self, text):
res = gost3413.mac(self.enc, self.blen, text)
return res
def test_mac_applies(self):
for _ in range(100):
data = urandom(randint(0, 16 * 2))
ciph = GOST3412Magma(urandom(32))
mac(ciph.encrypt, 8, data)