def test_seal_with_test_vector_3_openssl(self):
key = bytearray(b'\xfe\xff\xe9\x92\x86\x65\x73\x1c'
b'\x6d\x6a\x8f\x94\x67\x30\x83\x08')
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(
b'\xca\xfe\xba\xbe\xfa\xce\xdb\xad\xde\xca\xf8\x88')
plaintext = bytearray(b'\xd9\x31\x32\x25\xf8\x84\x06\xe5'
b'\xa5\x59\x09\xc5\xaf\xf5\x26\x9a'
b'\x86\xa7\xa9\x53\x15\x34\xf7\xda'
b'\x2e\x4c\x30\x3d\x8a\x31\x8a\x72'
b'\x1c\x3c\x0c\x95\x95\x68\x09\x53'
b'\x2f\xcf\x0e\x24\x49\xa6\xb5\x25'
b'\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57'
b'\xba\x63\x7b\x39\x1a\xaf\xd2\x55')
self.assertEqual(len(plaintext), 4 * 16)
encData = aesCCM.seal(nonce, plaintext, bytearray(0))
self.assertEqual(
bytearray(b"\x08\x93\xe9K\x91H\x80\x1a\xf0\xf74&"
b"\xab\xb0\x0e<\xa4\x9b\xf0\x9dy\xa2"
b"\x01\'\xa7\xeb\x19&\xfa\x89\x057\x87"
b"\xff\x02\xd0}q\x81;\x88[\x85\xe7\xf9"
b"lN\xed\xf4 \xdb\x12j\x04Q\xce\x13\xbdA"
b"\xba\x01\x8d\x1b\xa7\xfc\xece\x99Dg\xa7"
b"{\x8b&B\xde\x91,\x01."), encData)
def test_seal_with_test_vector_4_openssl(self):
key = bytearray(b'\xfe\xff\xe9\x92\x86\x65\x73\x1c' +
b'\x6d\x6a\x8f\x94\x67\x30\x83\x08')
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(
b'\xca\xfe\xba\xbe\xfa\xce\xdb\xad\xde\xca\xf8\x88')
plaintext = bytearray(b'\xd9\x31\x32\x25\xf8\x84\x06\xe5'
b'\xa5\x59\x09\xc5\xaf\xf5\x26\x9a'
b'\x86\xa7\xa9\x53\x15\x34\xf7\xda'
b'\x2e\x4c\x30\x3d\x8a\x31\x8a\x72'
b'\x1c\x3c\x0c\x95\x95\x68\x09\x53'
b'\x2f\xcf\x0e\x24\x49\xa6\xb5\x25'
b'\xb1\x6a\xed\xf5\xaa\x0d\xe6\x57'
b'\xba\x63\x7b\x39')
data = bytearray(b'\xfe\xed\xfa\xce\xde\xad\xbe\xef'
b'\xfe\xed\xfa\xce\xde\xad\xbe\xef'
b'\xab\xad\xda\xd2')
encData = aesCCM.seal(nonce, plaintext, data)
self.assertEqual(
bytearray(b'\x08\x93\xe9K\x91H\x80\x1a\xf0\xf74&\xab'
b'\xb0\x0e<\xa4\x9b\xf0\x9dy\xa2\x01\'\xa7'
b'\xeb\x19&\xfa\x89\x057\x87\xff\x02\xd0}q'
b'\x81;\x88[\x85\xe7\xf9lN\xed\xf4 \xdb'
b'\x12j\x04Q\xce\x13\xbdA\xba\x028\xc3&'
b'\xb4{4\xf7\x8fe\x9eu'
b'\x10\x96\xcd"'), encData)
def test_open_identical_messages_8_openssl(self):
aesCCM = openssl_aesccm.new(self.key, 8)
for _ in range(2):
decData = aesCCM.open(self.nonce, self.ciphertext_8, self.data)
self.assertEqual(self.plaintext, decData)
def test_seal_identical_messages_openssl(self):
aesCCM = openssl_aesccm.new(self.key)
for _ in range(2):
encData = aesCCM.seal(self.nonce, self.plaintext, self.data)
self.assertEqual(self.ciphertext, encData)
def test_seal_with_test_vector_1_openssl(self):
key = bytearray(b'\x00' * 16)
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(b'\x00' * 12)
plaintext = bytearray(b'')
self.assertEqual(len(plaintext), 0)
encData = aesCCM.seal(nonce, plaintext, bytearray(0))
self.assertEqual(
bytearray(b'\xb9\xf6P\xfb<9\xbb\x1b\xee\x0e)\x1d3'
b'\xf6\xae('), encData)
def test_seal_with_test_vector_5_openssl(self):
key = bytearray(32)
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(12)
plaintext = bytearray(0)
data = bytearray(0)
encData = aesCCM.seal(nonce, plaintext, data)
self.assertEqual(
bytearray(b'\xa8\x90&^C\xa2hU\xf2i'
b'\xb9?\xf4\xdd\xde\xf6'), encData)
def test_seal_with_test_vector_6_openssl(self):
key = bytearray(32)
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(12)
plaintext = bytearray(16)
data = bytearray(0)
encData = aesCCM.seal(nonce, plaintext, data)
self.assertEqual(
bytearray(b'\xc1\x94@D\xc8\xe7\xaa\x95\xd2\xde\x95'
b'\x13\xc7\xf3\xdd\x8cK\n>^Q\xf1Q\xeb\x0f'
b'\xfa\xe7\xc4=\x01\x0f\xdb'), encData)
def test_seal_with_test_vector_2_openssl(self):
key = bytearray(b'\x00' * 16)
aesCCM = openssl_aesccm.new(key)
nonce = bytearray(b'\x00' * 12)
plaintext = bytearray(b'\x00' * 16)
self.assertEqual(len(plaintext), 16)
encData = aesCCM.seal(nonce, plaintext, bytearray(0))
self.assertEqual(
bytearray(b'n\xc7_\xb2\xe2\xb4\x87F\x1e\xdd\xcb\xb8'
b'\x97\x11\x92\xbaMO\xa3\xaf\x0b\xf6\xd3E'
b'Aq0o\xfa\xdd\x9a\xfd'), encData)
def createAESCCM_8(key, implList=None):
""" Create a new AESCCM object with truncated tag.
:type key: bytearray
:param key: A 16 or 32 byte byte array to serve as key.
:rtype: tlslite.utils.AESCCM
:returns: An AESCCM object.
"""
if implList is None:
implList = ["openssl", "python"]
for impl in implList:
if impl == "openssl" and cryptomath.m2cryptoLoaded:
return openssl_aesccm.new(key, 8)
if impl == "python":
return python_aesccm.new(key, 8)
raise NotImplementedError()
