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Add missing nonce check during authentication

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Lonami Exo 2023-08-31 10:22:23 +02:00
parent d5e6dbe36b
commit e20203785a
1 changed files with 2 additions and 0 deletions
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client/src/telethon/_impl/mtproto/authentication.py
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@ -78,6 +78,8 @@ def _do_step2(data: Step1, response: bytes, random_bytes: bytes) -> Tuple[bytes,
nonce = data.nonce nonce = data.nonce
res_pq = ResPq.from_bytes(response) res_pq = ResPq.from_bytes(response)
check_nonce(res_pq.nonce, nonce)
if len(res_pq.pq) != 8: if len(res_pq.pq) != 8:
raise ValueError(f"invalid pq size: {len(res_pq.pq)}") raise ValueError(f"invalid pq size: {len(res_pq.pq)}")