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Avoid using BinaryWriter where possible

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Lonami Exo
2017-09-27 21:23:59 +02:00
parent 8a605f21e6
commit c667a00281
4 changed files with 26 additions and 40 deletions
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11
telethon/crypto/rsa.py
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@@ -7,7 +7,7 @@ except ImportError:
rsa = None
raise ImportError('Missing module "rsa", please install via pip.')
from ..extensions import BinaryWriter
from ..tl import TLObject
# {fingerprint: Crypto.PublicKey.RSA._RSAobj} dictionary
@@ -34,11 +34,10 @@ def _compute_fingerprint(key):
"""For a given Crypto.RSA key, computes its 8-bytes-long fingerprint
in the same way that Telegram does.
"""
with BinaryWriter() as writer:
writer.tgwrite_bytes(get_byte_array(key.n))
writer.tgwrite_bytes(get_byte_array(key.e))
# Telegram uses the last 8 bytes as the fingerprint
return sha1(writer.get_bytes()).digest()[-8:]
n = TLObject.serialize_bytes(get_byte_array(key.n))
e = TLObject.serialize_bytes(get_byte_array(key.e))
# Telegram uses the last 8 bytes as the fingerprint
return sha1(n + e).digest()[-8:]
def add_key(pub):