def test_open_with_invalid_nonce(self):
key = bytearray(b'\x01' * 16)
aesGCM = AESGCM(key, "python", Rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02' * 11)
ciphertext = bytearray(b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
with self.assertRaises(ValueError):
aesGCM.open(nonce, ciphertext, bytearray(0))
def test_open_with_invalid_nonce(self):
key = bytearray(b'\x01'*16)
aesGCM = AESGCM(key, "python", rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02'*11)
ciphertext = bytearray(
b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
with self.assertRaises(ValueError):
aesGCM.open(nonce, ciphertext, bytearray(0))
def test_open_with_invalid_ciphertext(self):
key = bytearray(b'\x01' * 16)
aesGCM = AESGCM(key, "python", Rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02' * 12)
ciphertext = bytearray(b'\xff' * 15)
self.assertIsNone(aesGCM.open(nonce, ciphertext, bytearray(0)))
def test_open_with_invalid_ciphertext(self):
key = bytearray(b'\x01'*16)
aesGCM = AESGCM(key, "python", rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02'*12)
ciphertext = bytearray(
b'\xff'*15)
self.assertIsNone(aesGCM.open(nonce, ciphertext, bytearray(0)))
def test_open_with_incorrect_nonce(self):
key = bytearray(b'\x01' * 16)
aesGCM = AESGCM(key, "python", Rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02' * 11 + b'\x01')
ciphertext = bytearray(b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
plaintext = aesGCM.open(nonce, ciphertext, bytearray(0))
self.assertIsNone(plaintext)
def test_open(self):
key = bytearray(b'\x01' * 16)
aesGCM = AESGCM(key, "python", Rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02' * 12)
ciphertext = bytearray(b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
plaintext = aesGCM.open(nonce, ciphertext, bytearray(0))
self.assertEqual(plaintext, bytearray(b'text to encrypt.'))
def test_open_with_incorrect_nonce(self):
key = bytearray(b'\x01'*16)
aesGCM = AESGCM(key, "python", rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02'*11 + b'\x01')
ciphertext = bytearray(
b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
plaintext = aesGCM.open(nonce, ciphertext, bytearray(0))
self.assertIsNone(plaintext)
def test_open(self):
key = bytearray(b'\x01'*16)
aesGCM = AESGCM(key, "python", rijndael(key, 16).encrypt)
nonce = bytearray(b'\x02'*12)
ciphertext = bytearray(
b'\'\x81h\x17\xe6Z)\\\xf2\x8emF\xcb\x91\x0eu'
b'z1:\xf6}\xa7\\@\xba\x11\xd8r\xdf#K\xd4')
plaintext = aesGCM.open(nonce, ciphertext, bytearray(0))
self.assertEqual(plaintext, bytearray(b'text to encrypt.'))