def test_28_yubikey_utils(self):
self.assertEquals(modhex_encode(b'\x47'), 'fi')
self.assertEquals(modhex_encode(b'\xba\xad\xf0\x0d'), 'nlltvcct')
self.assertEquals(modhex_encode(binascii.unhexlify('0123456789abcdef')),
'cbdefghijklnrtuv')
self.assertEquals(modhex_encode('Hallo'), 'fjhbhrhrhv')
# and the other way around
self.assertEquals(modhex_decode('fi'), b'\x47')
self.assertEquals(modhex_decode('nlltvcct'), b'\xba\xad\xf0\x0d')
self.assertEquals(modhex_decode('cbdefghijklnrtuv'),
binascii.unhexlify('0123456789abcdef'))
self.assertEquals(modhex_decode('fjhbhrhrhv'), b'Hallo')
# now test the crc function
self.assertEquals(checksum(b'\x01\x02\x03\x04'), 0xc66e)
self.assertEquals(checksum(b'\x01\x02\x03\x04\x919'), 0xf0b8)
def test_28_yubikey_utils(self):
self.assertEquals(modhex_encode(b'\x47'), 'fi')
self.assertEquals(modhex_encode(b'\xba\xad\xf0\x0d'), 'nlltvcct')
self.assertEquals(modhex_encode(binascii.unhexlify('0123456789abcdef')),
'cbdefghijklnrtuv')
self.assertEquals(modhex_encode('Hallo'), 'fjhbhrhrhv')
# and the other way around
self.assertEquals(modhex_decode('fi'), b'\x47')
self.assertEquals(modhex_decode('nlltvcct'), b'\xba\xad\xf0\x0d')
self.assertEquals(modhex_decode('cbdefghijklnrtuv'),
binascii.unhexlify('0123456789abcdef'))
self.assertEquals(modhex_decode('fjhbhrhrhv'), b'Hallo')
# now test the crc function
self.assertEquals(checksum(b'\x01\x02\x03\x04'), 0xc66e)
self.assertEquals(checksum(b'\x01\x02\x03\x04\x919'), 0xf0b8)
def _create_static_password(key_hex):
'''
According to yubikey manual 5.5.5 the static-ticket is the same
algorithm with no moving factors.
The msg_hex that is encoded with the AES key is
'000000000000ffffffffffffffff0f2e'
'''
msg_hex = "000000000000ffffffffffffffff0f2e"
msg_bin = binascii.unhexlify(msg_hex)
aes = AES.new(binascii.unhexlify(key_hex), AES.MODE_ECB)
password_bin = aes.encrypt(msg_bin)
password = modhex_encode(password_bin)
return password
def _create_static_password(key_hex):
'''
According to yubikey manual 5.5.5 the static-ticket is the same
algorithm with no moving factors.
The msg_hex that is encoded with the AES key is
'000000000000ffffffffffffffff0f2e'
'''
msg_hex = "000000000000ffffffffffffffff0f2e"
msg_bin = binascii.unhexlify(msg_hex)
aes = AES.new(binascii.unhexlify(key_hex), AES.MODE_ECB)
password_bin = aes.encrypt(msg_bin)
password = modhex_encode(password_bin)
return password
def _create_static_password(key_hex):
'''
According to yubikey manual 5.5.5 the static-ticket is the same
algorithm with no moving factors.
The msg_hex that is encoded with the AES key is
'000000000000ffffffffffffffff0f2e'
'''
msg_hex = "000000000000ffffffffffffffff0f2e"
msg_bin = binascii.unhexlify(msg_hex)
cipher = Cipher(algorithms.AES(binascii.unhexlify(key_hex)),
modes.ECB(), default_backend())
encryptor = cipher.encryptor()
password_bin = encryptor.update(msg_bin) + encryptor.finalize()
password = modhex_encode(password_bin)
return password
def _create_static_password(key_hex):
'''
According to yubikey manual 5.5.5 the static-ticket is the same
algorithm with no moving factors.
The msg_hex that is encoded with the AES key is
'000000000000ffffffffffffffff0f2e'
'''
msg_hex = "000000000000ffffffffffffffff0f2e"
msg_bin = binascii.unhexlify(msg_hex)
cipher = Cipher(algorithms.AES(binascii.unhexlify(key_hex)),
modes.ECB(), default_backend())
encryptor = cipher.encryptor()
password_bin = encryptor.update(msg_bin) + encryptor.finalize()
password = modhex_encode(password_bin)
return password
