65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from collections import namedtuple
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PublicKey = namedtuple("PublicKey", ["m", "e"])
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class RSA:
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# To get modulus and exponent:
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# grep -v -- - public.key | tr -d \\n | base64 -d | openssl asn1parse -inform DER -i
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# TODO Add CDNs keys
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server_public_keys = {
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0xc3b42b026ce86b21 - (1 << 64): PublicKey(
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# -----BEGIN RSA PUBLIC KEY-----
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# MIIBCgKCAQEAwVACPi9w23mF3tBkdZz+zwrzKOaaQdr01vAbU4E1pvkfj4sqDsm6
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# lyDONS789sVoD/xCS9Y0hkkC3gtL1tSfTlgCMOOul9lcixlEKzwKENj1Yz/s7daS
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# an9tqw3bfUV/nqgbhGX81v/+7RFAEd+RwFnK7a+XYl9sluzHRyVVaTTveB2GazTw
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# Efzk2DWgkBluml8OREmvfraX3bkHZJTKX4EQSjBbbdJ2ZXIsRrYOXfaA+xayEGB+
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# 8hdlLmAjbCVfaigxX0CDqWeR1yFL9kwd9P0NsZRPsmoqVwMbMu7mStFai6aIhc3n
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# Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
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# -----END RSA PUBLIC KEY-----
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int(
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"C150023E2F70DB7985DED064759CFECF0AF328E69A41DAF4D6F01B538135A6F9"
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"1F8F8B2A0EC9BA9720CE352EFCF6C5680FFC424BD634864902DE0B4BD6D49F4E"
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"580230E3AE97D95C8B19442B3C0A10D8F5633FECEDD6926A7F6DAB0DDB7D457F"
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"9EA81B8465FCD6FFFEED114011DF91C059CAEDAF97625F6C96ECC74725556934"
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"EF781D866B34F011FCE4D835A090196E9A5F0E4449AF7EB697DDB9076494CA5F"
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"81104A305B6DD27665722C46B60E5DF680FB16B210607EF217652E60236C255F"
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"6A28315F4083A96791D7214BF64C1DF4FD0DB1944FB26A2A57031B32EEE64AD1"
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"5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F",
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16
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), # Modulus
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int("010001", 16) # Exponent
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)
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}
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@classmethod
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def encrypt(cls, data: bytes, fingerprint: int) -> bytes:
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return int.to_bytes(
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pow(
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int.from_bytes(data, "big"),
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cls.server_public_keys[fingerprint].e,
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cls.server_public_keys[fingerprint].m
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),
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256,
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"big"
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)
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