<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">#  Pyrogram - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-present Dan &lt;https://github.com/delivrance&gt;
#
#  This file is part of Pyrogram.
#
#  Pyrogram is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Lesser General Public License as published
#  by the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  Pyrogram is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with Pyrogram.  If not, see &lt;http://www.gnu.org/licenses/&gt;.

from collections import namedtuple

PublicKey = namedtuple("PublicKey", ["m", "e"])

# To get modulus and exponent:
#
# [RSA PUBLIC KEY]:
# grep -v -- - public.key | tr -d \\n | base64 -d | openssl asn1parse -inform DER -i
#
# [PUBLIC KEY]:
# openssl rsa -pubin -in key -text -noout

server_public_keys = {
    # -4344800451088585951
    0xc3b42b026ce86b21 - (1 &lt;&lt; 64): PublicKey(  # Telegram servers #1
        # -----BEGIN RSA PUBLIC KEY-----
        # MIIBCgKCAQEAwVACPi9w23mF3tBkdZz+zwrzKOaaQdr01vAbU4E1pvkfj4sqDsm6
        # lyDONS789sVoD/xCS9Y0hkkC3gtL1tSfTlgCMOOul9lcixlEKzwKENj1Yz/s7daS
        # an9tqw3bfUV/nqgbhGX81v/+7RFAEd+RwFnK7a+XYl9sluzHRyVVaTTveB2GazTw
        # Efzk2DWgkBluml8OREmvfraX3bkHZJTKX4EQSjBbbdJ2ZXIsRrYOXfaA+xayEGB+
        # 8hdlLmAjbCVfaigxX0CDqWeR1yFL9kwd9P0NsZRPsmoqVwMbMu7mStFai6aIhc3n
        # Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
        # -----END RSA PUBLIC KEY-----
        int(
            "C150023E2F70DB7985DED064759CFECF0AF328E69A41DAF4D6F01B538135A6F9"
            "1F8F8B2A0EC9BA9720CE352EFCF6C5680FFC424BD634864902DE0B4BD6D49F4E"
            "580230E3AE97D95C8B19442B3C0A10D8F5633FECEDD6926A7F6DAB0DDB7D457F"
            "9EA81B8465FCD6FFFEED114011DF91C059CAEDAF97625F6C96ECC74725556934"
            "EF781D866B34F011FCE4D835A090196E9A5F0E4449AF7EB697DDB9076494CA5F"
            "81104A305B6DD27665722C46B60E5DF680FB16B210607EF217652E60236C255F"
            "6A28315F4083A96791D7214BF64C1DF4FD0DB1944FB26A2A57031B32EEE64AD1"
            "5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # 847625836280919973
    0x10bc35f3509f7b7a5 - (1 &lt;&lt; 64): PublicKey(  # Telegram servers #2
        # -----BEGIN PUBLIC KEY-----
        # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAruw2yP/BCcsJliRoW5eB
        # VBVle9dtjJw+OYED160Wybum9SXtBBLXriwt4rROd9csv0t0OHCaTmRqBcQ0J8fx
        # hN6/cpR1GWgOZRUAiQxoMnlt0R93LCX/j1dnVa/gVbCjdSxpbrfY2g2L4frzjJvd
        # l84Kd9ORYjDEAyFnEA7dD556OptgLQQ2e2iVNq8NZLYTzLp5YpOdO1doK+ttrltg
        # gTCy5SrKeLoCPPbOgGsdxJxyz5KKcZnSLj16yE5HvJQn0CNpRdENvRUXe6tBP78O
        # 39oJ8BTHp9oIjd6XWXAsp2CvK45Ol8wFXGF710w9lwCGNbmNxNYhtIkdqfsEcwR5
        # JwIDAQAB
        # -----END PUBLIC KEY-----
        int(
            "AEEC36C8FFC109CB099624685B97815415657BD76D8C9C3E398103D7AD16C9BB"
            "A6F525ED0412D7AE2C2DE2B44E77D72CBF4B7438709A4E646A05C43427C7F184"
            "DEBF72947519680E651500890C6832796DD11F772C25FF8F576755AFE055B0A3"
            "752C696EB7D8DA0D8BE1FAF38C9BDD97CE0A77D3916230C4032167100EDD0F9E"
            "7A3A9B602D04367B689536AF0D64B613CCBA7962939D3B57682BEB6DAE5B6081"
            "30B2E52ACA78BA023CF6CE806B1DC49C72CF928A7199D22E3D7AC84E47BC9427"
            "D0236945D10DBD15177BAB413FBF0EDFDA09F014C7A7DA088DDE9759702CA760"
            "AF2B8E4E97CC055C617BD74C3D97008635B98DC4D621B4891DA9FB0473047927",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # 1562291298945373506
    0x115ae5fa8b5529542 - (1 &lt;&lt; 64): PublicKey(  # Telegram servers #3
        # -----BEGIN PUBLIC KEY-----
        # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvfLHfYH2r9R70w8prHbl
        # Wt/nDkh+XkgpflqQVcnAfSuTtO05lNPspQmL8Y2XjVT4t8cT6xAkdgfmmvnvRPOO
        # KPi0OfJXoRVylFzAQG/j83u5K3kRLbae7fLccVhKZhY46lvsueI1hQdLgNV9n1cQ
        # 3TDS2pQOCtovG4eDl9wacrXOJTG2990VjgnIKNA0UMoP+KF03qzryqIt3oTvZq03
        # DyWdGK+AZjgBLaDKSnC6qD2cFY81UryRWOab8zKkWAnhw2kFpcqhI0jdV5QaSCEx
        # vnsjVaX0Y1N0870931/5Jb9ICe4nweZ9kSDF/gip3kWLG0o8XQpChDfyvsqB9OLV
        # /wIDAQAB
        # -----END PUBLIC KEY-----
        int(
            "BDF2C77D81F6AFD47BD30F29AC76E55ADFE70E487E5E48297E5A9055C9C07D2B"
            "93B4ED3994D3ECA5098BF18D978D54F8B7C713EB10247607E69AF9EF44F38E28"
            "F8B439F257A11572945CC0406FE3F37BB92B79112DB69EEDF2DC71584A661638"
            "EA5BECB9E23585074B80D57D9F5710DD30D2DA940E0ADA2F1B878397DC1A72B5"
            "CE2531B6F7DD158E09C828D03450CA0FF8A174DEACEBCAA22DDE84EF66AD370F"
            "259D18AF806638012DA0CA4A70BAA83D9C158F3552BC9158E69BF332A45809E1"
            "C36905A5CAA12348DD57941A482131BE7B2355A5F4635374F3BD3DDF5FF925BF"
            "4809EE27C1E67D9120C5FE08A9DE458B1B4A3C5D0A428437F2BECA81F4E2D5FF",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # -5859577972006586033
    0xaeae98e13cd7f94f - (1 &lt;&lt; 64): PublicKey(  # Telegram servers #4
        # -----BEGIN PUBLIC KEY-----
        # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs/ditzm+mPND6xkhzwFI
        # z6J/968CtkcSE/7Z2qAJiXbmZ3UDJPGrzqTDHkO30R8VeRM/Kz2f4nR05GIFiITl
        # 4bEjvpy7xqRDspJcCFIOcyXm8abVDhF+th6knSU0yLtNKuQVP6voMrnt9MV1X92L
        # GZQLgdHZbPQz0Z5qIpaKhdyA8DEvWWvSUwwc+yi1/gGaybwlzZwqXYoPOhwMebzK
        # Uk0xW14htcJrRrq+PXXQbRzTMynseCoPIoke0dtCodbA3qQxQovE16q9zz4Otv2k
        # 4j63cz53J+mhkVWAeWxVGI0lltJmWtEYK6er8VqqWot3nqmWMXogrgRLggv/Nbbo
        # oQIDAQAB
        # -----END PUBLIC KEY-----
        int(
            "B3F762B739BE98F343EB1921CF0148CFA27FF7AF02B6471213FED9DAA0098976"
            "E667750324F1ABCEA4C31E43B7D11F1579133F2B3D9FE27474E462058884E5E1"
            "B123BE9CBBC6A443B2925C08520E7325E6F1A6D50E117EB61EA49D2534C8BB4D"
            "2AE4153FABE832B9EDF4C5755FDD8B19940B81D1D96CF433D19E6A22968A85DC"
            "80F0312F596BD2530C1CFB28B5FE019AC9BC25CD9C2A5D8A0F3A1C0C79BCCA52"
            "4D315B5E21B5C26B46BABE3D75D06D1CD33329EC782A0F22891ED1DB42A1D6C0"
            "DEA431428BC4D7AABDCF3E0EB6FDA4E23EB7733E7727E9A1915580796C55188D"
            "2596D2665AD1182BA7ABF15AAA5A8B779EA996317A20AE044B820BFF35B6E8A1",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # 6491968696586960280
    0x15a181b2235057d98 - (1 &lt;&lt; 64): PublicKey(  # Telegram servers #5
        # -----BEGIN PUBLIC KEY-----
        # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmpxVY7ld/8DAjz6F6q0
        # 5shjg8/4p6047bn6/m8yPy1RBsvIyvuDuGnP/RzPEhzXQ9UJ5Ynmh2XJZgHoE9xb
        # nfxL5BXHplJhMtADXKM9bWB11PU1Eioc3+AXBB8QiNFBn2XI5UkO5hPhbb9mJpjA
        # 9Uhw8EdfqJP8QetVsI/xrCEbwEXe0xvifRLJbY08/Gp66KpQvy7g8w7VB8wlgePe
        # xW3pT13Ap6vuC+mQuJPyiHvSxjEKHgqePji9NP3tJUFQjcECqcm0yV7/2d0t/pbC
        # m+ZH1sadZspQCEPPrtbkQBlvHb4OLiIWPGHKSMeRFvp3IWcmdJqXahxLCUS1Eh6M
        # AQIDAQAB
        # -----END PUBLIC KEY-----
        int(
            "BE6A71558EE577FF03023CFA17AAB4E6C86383CFF8A7AD38EDB9FAFE6F323F2D"
            "5106CBC8CAFB83B869CFFD1CCF121CD743D509E589E68765C96601E813DC5B9D"
            "FC4BE415C7A6526132D0035CA33D6D6075D4F535122A1CDFE017041F1088D141"
            "9F65C8E5490EE613E16DBF662698C0F54870F0475FA893FC41EB55B08FF1AC21"
            "1BC045DED31BE27D12C96D8D3CFC6A7AE8AA50BF2EE0F30ED507CC2581E3DEC5"
            "6DE94F5DC0A7ABEE0BE990B893F2887BD2C6310A1E0A9E3E38BD34FDED254150"
            "8DC102A9C9B4C95EFFD9DD2DFE96C29BE647D6C69D66CA500843CFAED6E44019"
            "6F1DBE0E2E22163C61CA48C79116FA77216726749A976A1C4B0944B5121E8C01",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # -7395192255793472640
    0x995effd323b5db80 - (1 &lt;&lt; 64): PublicKey(  # CDN DC-121
        # -----BEGIN RSA PUBLIC KEY-----
        # MIIBCgKCAQEA4tWHcGJlElkxuxKQJwFjJaulmVHgdxNA3wgI2E8XbNnA88y51Xog
        # V5m8BEYuTSP4llXZY4ZSJW5VlFXnmsJT/hmjyeFqqTajyAW6nb9vwZX291QvqD/1
        # ZCFBy7TLvCM0lbNIEhcLMf33ZV8AetLAd+uRLF6QHosys5w0iJ7x+UbGwDxyfeic
        # 8EJJnsKaXrUOwRycMRN+V/zDySa0EYl1u1EB1MDX1/jIV1IQEbLvdBH4vsVTVEdW
        # KHlzOcFzT9qX/g8XibCPiHLJvqQb8hVibvs9NaANyClcBEt3mOucG1/46Lilkc/K
        # d4nlCcohk0jIHNp8symUzNWRPUGmTs3SPwIDAQAB
        # -----END RSA PUBLIC KEY-----
        int(
            "E2D587706265125931BB129027016325ABA59951E0771340DF0808D84F176CD9"
            "C0F3CCB9D57A205799BC04462E4D23F89655D9638652256E559455E79AC253FE"
            "19A3C9E16AA936A3C805BA9DBF6FC195F6F7542FA83FF5642141CBB4CBBC2334"
            "95B34812170B31FDF7655F007AD2C077EB912C5E901E8B32B39C34889EF1F946"
            "C6C03C727DE89CF042499EC29A5EB50EC11C9C31137E57FCC3C926B4118975BB"
            "5101D4C0D7D7F8C857521011B2EF7411F8BEC55354475628797339C1734FDA97"
            "FE0F1789B08F8872C9BEA41BF215626EFB3D35A00DC8295C044B7798EB9C1B5F"
            "F8E8B8A591CFCA7789E509CA219348C81CDA7CB32994CCD5913D41A64ECDD23F",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # 2685959930972952888
    0x1254672538e935938 - (1 &lt;&lt; 64): PublicKey(  # CDN DC-140
        # -----BEGIN RSA PUBLIC KEY-----
        # MIIBCgKCAQEAzuHVC7sE50Kho/yDVZtWnlmA5Bf/aM8KZY3WzS16w6w1sBqipj8o
        # gMGG7ULbGBtYmKEaI7IIJO6WM2m1MaXVnsqS8d7PaGAZiy8rSN3S7S2a8wp4RXZe
        # hs0JAXvZeIz45iByCMBfycbJKmSweYkesRUI7hUO8eQhmm/UYUEpJY7VOt0Iemiu
        # URSpqlRQ2FlcyHahYUNcvbICb4+/AP7coKBn6cB5FyzM7MCcKxbEKOx3Y3MUnbZq
        # q5pN6/eRazkegyrlp4kuJ94KsbRFHFX5Dx8uzjrO9wi8LF7gIgZu5DRMcmjXJKq6
        # rGZ2Z9cnrD8pVu1L2vcInd4K6ximZS2hbwIDAQAB
        # -----END RSA PUBLIC KEY-----
        int(
            "CEE1D50BBB04E742A1A3FC83559B569E5980E417FF68CF0A658DD6CD2D7AC3AC"
            "35B01AA2A63F2880C186ED42DB181B5898A11A23B20824EE963369B531A5D59E"
            "CA92F1DECF6860198B2F2B48DDD2ED2D9AF30A7845765E86CD09017BD9788CF8"
            "E6207208C05FC9C6C92A64B079891EB11508EE150EF1E4219A6FD4614129258E"
            "D53ADD087A68AE5114A9AA5450D8595CC876A161435CBDB2026F8FBF00FEDCA0"
            "A067E9C079172CCCECC09C2B16C428EC776373149DB66AAB9A4DEBF7916B391E"
            "832AE5A7892E27DE0AB1B4451C55F90F1F2ECE3ACEF708BC2C5EE022066EE434"
            "4C7268D724AABAAC667667D727AC3F2956ED4BDAF7089DDE0AEB18A6652DA16F",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # -3997872768018684475
    0xc884b3e62d09e5c5 - (1 &lt;&lt; 64): PublicKey(  # CDN DC-201
        # -----BEGIN RSA PUBLIC KEY-----
        # MIIBCgKCAQEAug6fETVb7NkXYYu5ueZuM0pqw1heuqUrZNYomQN0lS0o7i6mAWwb
        # 1/FiscFK+y4LQSSEx+oUzXAhjmll9fmb4e7PbUiXo8MuXO0Rj3e5416DXfTiOYGW
        # XlFRV0aQzu8agy1epKwkFDidnmy7g5rJJV0q1+3eR+Jk2OEc/B6lMAOv3fBU6xhE
        # ZByN9gqc6fvkNo13PQ8JYZUSGttzLlYy76uFmvFBhRsJU+LNQ2+bsTHwafSffVYl
        # Z2boJOblvqbRWe453CzssaSWywGXOQmWvVbEe7F8q1ki/s7S8BxYWrhSLJ6bsu9V
        # ZWnIHD9vB34QF8IABPRE93mhCOHBqJxSBQIDAQAB
        # -----END RSA PUBLIC KEY-----
        int(
            "BA0E9F11355BECD917618BB9B9E66E334A6AC3585EBAA52B64D628990374952D"
            "28EE2EA6016C1BD7F162B1C14AFB2E0B412484C7EA14CD70218E6965F5F99BE1"
            "EECF6D4897A3C32E5CED118F77B9E35E835DF4E23981965E5151574690CEEF1A"
            "832D5EA4AC2414389D9E6CBB839AC9255D2AD7EDDE47E264D8E11CFC1EA53003"
            "AFDDF054EB1844641C8DF60A9CE9FBE4368D773D0F096195121ADB732E5632EF"
            "AB859AF141851B0953E2CD436F9BB131F069F49F7D56256766E824E6E5BEA6D1"
            "59EE39DC2CECB1A496CB0197390996BD56C47BB17CAB5922FECED2F01C585AB8"
            "522C9E9BB2EF556569C81C3F6F077E1017C20004F444F779A108E1C1A89C5205",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    ),

    # -4960899639492471258
    0xbb27580fd5b01626 - (1 &lt;&lt; 64): PublicKey(  # CDN DC-203
        # -----BEGIN RSA PUBLIC KEY-----
        # MIIBCgKCAQEAv/L6td+mj7Dl81NHfu+Xf1KNtvZPR1tS5xFqkiUson1u7D2ulK05
        # jM8HKvpV1o+1HPPqhaXhasvsX90u3TIHRQ0zuJKJxKAiZo3GK7phHozjAJ9VUFbO
        # 7jKAa5BTE9tXgA5ZwJAiQWb3U6ykwRzk3fFRe5WaW7xfVUiepxyWGdr1eecoWCfB
        # af1TCXfcS7vcyljNT03pwt2YyS5iXE5IB5wBB5yqSSm4GYtWWR67UjIsXBd77TRp
        # foLGpfOdUHxBz4ZSj8D76m1zlpID5J2pF6bH4+ZCz0SUpv3j7bE8WFlvgMfwEPhw
        # xMYidRGayq9YlLlYd4D+Yoq0U6jS3MWTRQIDAQAB
        # -----END RSA PUBLIC KEY-----
        int(
            "BFF2FAB5DFA68FB0E5F353477EEF977F528DB6F64F475B52E7116A92252CA27D"
            "6EEC3DAE94AD398CCF072AFA55D68FB51CF3EA85A5E16ACBEC5FDD2EDD320745"
            "0D33B89289C4A022668DC62BBA611E8CE3009F555056CEEE32806B905313DB57"
            "800E59C090224166F753ACA4C11CE4DDF1517B959A5BBC5F55489EA71C9619DA"
            "F579E7285827C169FD530977DC4BBBDCCA58CD4F4DE9C2DD98C92E625C4E4807"
            "9C01079CAA4929B8198B56591EBB52322C5C177BED34697E82C6A5F39D507C41"
            "CF86528FC0FBEA6D73969203E49DA917A6C7E3E642CF4494A6FDE3EDB13C5859"
            "6F80C7F010F870C4C62275119ACAAF5894B9587780FE628AB453A8D2DCC59345",
            16
        ),  # Modulus
        int("010001", 16)  # Exponent
    )
}


def encrypt(data: bytes, fingerprint: int) -&gt; bytes:
    return pow(
        int.from_bytes(data, "big"),
        server_public_keys[fingerprint].e,
        server_public_keys[fingerprint].m
    ).to_bytes(256, "big")
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