def unpack(self, data: bytes) -> bytes:
ticket_lifetime_int = PackableInt(4, 0)
data = ticket_lifetime_int.unpack(data)
self.ticket_lifetime = ticket_lifetime_int.value
ticket_age_add_int = PackableInt(4, 0)
data = ticket_age_add_int.unpack(data)
self.ticket_age_add = ticket_age_add_int.value
ticket_nonce_vec = Vector(1)
data = ticket_nonce_vec.unpack(data)
self.ticket_nonce = ticket_nonce_vec.data
ticket_vec = Vector(2)
data = ticket_vec.unpack(data)
self.ticket = ticket_vec.data
ext_vec = Vector(2)
data = ext_vec.unpack(data)
ext_data: bytes = ext_vec.data
extensions = []
while len(ext_data) > 0:
ext = Extension()
ext_data = ext.unpack(ext_data)
extension = Extension.construct(ext.ext_type)
if extension:
ext.ext: Vector
extension.unpack(ext.ext.data)
ext.ext = extension
extensions.append(ext)
self.extensions = tuple(extensions)
return data
def unpack(self, data: bytes) -> bytes:
self.handshake_type, data = HandshakeType.unpack(data)
size = PackableInt(3, 0)
data = size.unpack(data)
assert len(data) >= size.value, f"incomplete handshake"
self.handshake_data = data[:size.value]
return data[size.value:]
def unpack(self, data: bytes) -> bytes:
self.content_type, data = ContentType.unpack(data)
data = self.legacy_record_version.unpack(data)
size = PackableInt(2, 0)
data = size.unpack(data)
assert len(data) >= size.value, "TLSPlaintext length not match body"
self.data = data[:size.value]
return data[size.value:]
def unpack(self, data: bytes) -> bytes:
self.content_type, data = ContentType.unpack(data)
assert self.content_type in (ContentType.application_data, ContentType.change_cipher_spec), \
f"TLSCiphertext error type:{self.content_type}"
data = self.legacy_record_version.unpack(data)
size = PackableInt(2, 0)
data = size.unpack(data)
assert len(data) >= size.value, "TLSCiphertext length not match body"
self.encrypted_record = data[:size.value]
return data[size.value:]
def max_early_data_size(self):
size = PackableInt(4, 0)
if len(self.early_data_size) == 4:
size.unpack(self.early_data_size)
return size.value