def test_addVarSeq(self):
w = Writer()
w.addVarSeq([16, 17, 18], 2, 2)
self.assertEqual(
bytearray(b'\x00\x06' + b'\x00\x10' + b'\x00\x11' + b'\x00\x12'),
w.bytes)
def test_addVarSeq_triple_byte_data(self):
w = Writer()
w.addVarSeq([0xaa, 0xbb, 0xcc], 3, 2)
self.assertEqual(
bytearray(b'\x00\x09' + b'\x00\x00\xaa' + b'\x00\x00\xbb' +
b'\x00\x00\xcc'), w.bytes)
def extData(self):
"""Serialise the extension."""
if self.renegotiated_connection is None:
return bytearray(0)
writer = Writer()
writer.addVarSeq(self.renegotiated_connection, 1, 1)
return writer.bytes
def test_addVarSeq_triple_byte_data(self):
w = Writer()
w.addVarSeq([0xaa, 0xbb, 0xcc], 3, 2)
self.assertEqual(bytearray(
b'\x00\x09' +
b'\x00\x00\xaa' +
b'\x00\x00\xbb' +
b'\x00\x00\xcc'), w.bytes)
def test_addVarSeq(self):
w = Writer()
w.addVarSeq([16, 17, 18], 2, 2)
self.assertEqual(bytearray(
b'\x00\x06' +
b'\x00\x10' +
b'\x00\x11' +
b'\x00\x12'), w.bytes)
def _setup_tls13_handshake_keys(self, state):
"""Prepare handshake ciphers for the HRR handling"""
prf_name = state.prf_name
ch_hash = self._ch_hh.digest(prf_name)
new_hh = HandshakeHashes()
writer = Writer()
writer.add(HandshakeType.message_hash, 1)
writer.addVarSeq(ch_hash, 1, 3)
new_hh.update(writer.bytes)
new_hh.update(self._msg.write())
state.handshake_hashes = new_hh
def extData(self):
"""Serialise the extension."""
if self.client_shares is None:
return bytearray(0)
writer = Writer()
for group_id, share in self.client_shares:
writer.add(group_id, 2)
if group_id in GroupName.allFF:
share_length_length = 2
else:
share_length_length = 1
writer.addVarSeq(share, 1, share_length_length)
ext_writer = Writer()
ext_writer.add(len(writer.bytes), 2)
ext_writer.bytes += writer.bytes
return ext_writer.bytes
def test_addVarSeq_with_three_byte_overflowing_data(self):
w = Writer()
with self.assertRaises(ValueError):
w.addVarSeq([16, 17, 0x1000000], 3, 2)
def test_addVarSeq(self):
w = Writer()
w.addVarSeq([16, 17, 18], 2, 2)
self.assertEqual(bytearray(b"\x00\x06" + b"\x00\x10" + b"\x00\x11" + b"\x00\x12"), w.bytes)
def test_addVarSeq_with_three_byte_overflowing_data(self):
w = Writer()
with self.assertRaises(ValueError):
w.addVarSeq([16, 17, 0x1000000], 3, 2)