def post_dissection(self, m):
s = self.tls_session
# if there are kx params and keys, we assume the crypto library is ok
if s.client_kx_ecdh_params:
s.client_kx_pubkey = _tls_named_groups_import(
s.client_kx_ecdh_params, self.ecdh_Yc)
if s.server_kx_privkey and s.client_kx_pubkey:
ZZ = s.server_kx_privkey.exchange(ec.ECDH(), s.client_kx_pubkey)
s.pre_master_secret = ZZ
s.compute_ms_and_derive_keys()
def register_pubkey(self):
"""
XXX Support compressed point format.
XXX Check that the pubkey received is on the curve.
"""
# point_format = 0
# if self.point[0] in [b'\x02', b'\x03']:
# point_format = 1
s = self.tls_session
s.server_kx_pubkey = _tls_named_groups_import(self.named_curve,
self.point)
if not s.client_kx_ecdh_params:
s.client_kx_ecdh_params = self.named_curve
def register_pubkey(self):
self.pubkey = _tls_named_groups_import(
self.group,
self.key_exchange
)