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Allow updating AuthKey.key

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This will preserve references to the AuthKey more cleanly.
This commit is contained in:
Lonami Exo 2018-10-19 12:40:36 +02:00
parent 6d30a38316
commit 83f60deef9
1 changed files with 16 additions and 2 deletions
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18
telethon/crypto/authkey.py
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@ -20,7 +20,18 @@ class AuthKey:
""" """
self.key = data self.key = data
with BinaryReader(sha1(self.key).digest()) as reader: @property
def key(self):
return self._key
@key.setter
def key(self, value):
if not value:
self._key = self.aux_hash = self.key_id = None
return
self._key = value
with BinaryReader(sha1(self._key).digest()) as reader:
self.aux_hash = reader.read_long(signed=False) self.aux_hash = reader.read_long(signed=False)
reader.read(4) reader.read(4)
self.key_id = reader.read_long(signed=False) self.key_id = reader.read_long(signed=False)
@ -39,5 +50,8 @@ class AuthKey:
# Calculates the message key from the given data # Calculates the message key from the given data
return int.from_bytes(sha1(data).digest()[4:20], 'little', signed=True) return int.from_bytes(sha1(data).digest()[4:20], 'little', signed=True)
def __bool__(self):
return bool(self._key)
def __eq__(self, other): def __eq__(self, other):
return isinstance(other, type(self)) and other.key == self.key return isinstance(other, type(self)) and other.key == self._key