def test_vector9(self):
#RFC 7539 Appendix A.3 vector #9
poly = Poly1305(bytearray(b'\x02' + b'\x00'*31))
message = bytearray(b'\xfd' + b'\xff'*15)
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(b'\xfa' + b'\xff'*15))
def test_vector1(self):
#RFC 7539 Appendix A.3 vector #1
poly = Poly1305(bytearray(32))
message = bytearray(64)
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(16))
def test_vector8(self):
#RFC 7539 Appendix A.3 vector #8
poly = Poly1305(bytearray(b'\x01' + b'\x00'*31))
message = bytearray(b'\xff'*16 + b'\xfb' + b'\xfe'*15 + b'\x01'*16)
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(b'\x00'*16))
def test_vector3(self):
#RFC 7539 Appendix A.3 vector #3
poly = Poly1305(bytearray(
b'\x36\xe5\xf6\xb5\xc5\xe0\x60\x70\xf0\xef\xca\x96\x22\x7a\x86\x3e'
) + bytearray(16))
tag = poly.create_tag(self.ietf_text)
self.assertEqual(tag, bytearray(
b'\xf3\x47\x7e\x7c\xd9\x54\x17\xaf\x89\xa6\xb8\x79\x4c\x31\x0c\xf0'
))
def test_vector2(self):
#RFC 7539 Appendix A.3 vector #2
poly = Poly1305(bytearray(16) + bytearray(
b'\x36\xe5\xf6\xb5\xc5\xe0\x60\x70\xf0\xef\xca\x96\x22\x7a\x86\x3e'
))
tag = poly.create_tag(self.ietf_text)
self.assertEqual(tag, bytearray(
b'\x36\xe5\xf6\xb5\xc5\xe0\x60\x70\xf0\xef\xca\x96\x22\x7a\x86\x3e'
))
def test_generate_tag(self):
poly = Poly1305(bytearray(
b'\x85\xd6\xbe\x78\x57\x55\x6d\x33\x7f\x44\x52\xfe\x42\xd5\x06\xa8'
b'\x01\x03\x80\x8a\xfb\x0d\xb2\xfd\x4a\xbf\xf6\xaf\x41\x49\xf5\x1b'
))
message = bytearray(b'Cryptographic Forum Research Group')
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(
b'\xa8\x06\x1d\xc1\x30\x51\x36\xc6\xc2\x2b\x8b\xaf\x0c\x01\x27\xa9'
))
def test_vector11(self):
#RFC 7539 Appendix A.3 vector #11
poly = Poly1305(bytearray(b'\x01' + b'\x00'*7 + b'\x04' + b'\x00'*23))
message = bytearray(
b'\xE3\x35\x94\xD7\x50\x5E\x43\xB9\x00\x00\x00\x00\x00\x00\x00\x00'
b'\x33\x94\xD7\x50\x5E\x43\x79\xCD\x01\x00\x00\x00\x00\x00\x00\x00'
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
)
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(b'\x13' + b'\x00'*15))
def test_vector4(self):
#RFC 7539 Appendix A.3 vector #4
poly = Poly1305(bytearray(
b'\x1c\x92\x40\xa5\xeb\x55\xd3\x8a\xf3\x33\x88\x86\x04\xf6\xb5\xf0'
b'\x47\x39\x17\xc1\x40\x2b\x80\x09\x9d\xca\x5c\xbc\x20\x70\x75\xc0'
))
message = bytearray(
b'\x27\x54\x77\x61\x73\x20\x62\x72\x69\x6c\x6c\x69\x67\x2c\x20\x61'
b'\x6e\x64\x20\x74\x68\x65\x20\x73\x6c\x69\x74\x68\x79\x20\x74\x6f'
b'\x76\x65\x73\x0a\x44\x69\x64\x20\x67\x79\x72\x65\x20\x61\x6e\x64'
b'\x20\x67\x69\x6d\x62\x6c\x65\x20\x69\x6e\x20\x74\x68\x65\x20\x77'
b'\x61\x62\x65\x3a\x0a\x41\x6c\x6c\x20\x6d\x69\x6d\x73\x79\x20\x77'
b'\x65\x72\x65\x20\x74\x68\x65\x20\x62\x6f\x72\x6f\x67\x6f\x76\x65'
b'\x73\x2c\x0a\x41\x6e\x64\x20\x74\x68\x65\x20\x6d\x6f\x6d\x65\x20'
b'\x72\x61\x74\x68\x73\x20\x6f\x75\x74\x67\x72\x61\x62\x65\x2e')
self.assertEqual(len(message), 112+15)
tag = poly.create_tag(message)
self.assertEqual(tag, bytearray(
b'\x45\x41\x66\x9a\x7e\xaa\xee\x61\xe7\x08\xdc\x7c\xbc\xc5\xeb\x62'
))
def test_num_to_16_le_bytes(self):
self.assertEqual(bytearray(
b'\x04\x03\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
), Poly1305.num_to_16_le_bytes(0x01020304))
def test_le_bytes_to_num_72(self):
self.assertEqual(0x0a0102030405060708,
Poly1305.le_bytes_to_num(
bytearray(b'\x08\x07\x06\x05\x04\x03\x02\x01\x0a')))
def test_le_bytes_to_num_40(self):
self.assertEqual(0x0001020304,
Poly1305.le_bytes_to_num(
bytearray(b'\x04\x03\x02\x01\x00')))
def test___init___with_wrong_key_size(self):
with self.assertRaises(ValueError):
Poly1305(bytearray(128//8))
def test___init__(self):
poly = Poly1305(bytearray(256//8))
self.assertIsNotNone(poly)
