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Merge branch 'python_other_key_set' into 'master'

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remove other_key checks from Python binding since it's done in C now

See merge request matrix-org/olm!14
This commit is contained in:
Hubert Chathi 2020-09-24 18:56:19 +00:00
commit 0fd315d54c
1 changed files with 7 additions and 19 deletions
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26
python/olm/sas.py
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@ -42,16 +42,6 @@ from ._compat import URANDOM, to_bytearray, to_bytes
from ._finalize import track_for_finalization
def other_pubkey_set(func):
"""Ensure that the other pubkey is added to the Sas object."""
@wraps(func)
def wrapper(self, *args, **kwargs):
if not self.other_key_set:
raise OlmSasError("The other public key isn't set.")
return func(self, *args, **kwargs)
return wrapper
def _clear_sas(sas):
# type: (ffi.cdata) -> None
lib.olm_clear_sas(sas)
@ -73,16 +63,11 @@ class Sas(object):
key is necesary to generate bytes for the authentication string
as well as to calculate the MAC.
Attributes:
other_key_set (bool): A boolean flag that tracks if we set the
other users public key for this SAS object.
Raises OlmSasError on failure.
"""
self._buf = ffi.new("char[]", lib.olm_sas_size())
self._sas = lib.olm_sas(self._buf)
self.other_key_set = False
track_for_finalization(self, self._sas, _clear_sas)
random_length = lib.olm_create_sas_random_length(self._sas)
@ -132,6 +117,13 @@ class Sas(object):
return bytes_to_native_str(ffi.unpack(pubkey_buffer, pubkey_length))
@property
def other_key_set(self):
# type: () -> bool
"""Check if the other user's pubkey has been set.
"""
return lib.olm_sas_is_their_key_set(self._sas) == 1
def set_their_pubkey(self, key):
# type: (str) -> None
"""Set the public key of the other user.
@ -155,9 +147,7 @@ class Sas(object):
len(byte_key)
)
)
self.other_key_set = True
@other_pubkey_set
def generate_bytes(self, extra_info, length):
# type: (str, int) -> bytes
"""Generate bytes to use for the short authentication string.
@ -189,7 +179,6 @@ class Sas(object):
return ffi.unpack(out_buffer, length)
@other_pubkey_set
def calculate_mac(self, message, extra_info):
# type: (str, str) -> str
"""Generate a message authentication code based on the shared secret.
@ -221,7 +210,6 @@ class Sas(object):
)
return bytes_to_native_str(ffi.unpack(mac_buffer, mac_length))
@other_pubkey_set
def calculate_mac_long_kdf(self, message, extra_info):
# type: (str, str) -> str
"""Generate a message authentication code based on the shared secret.