51 lines
2.1 KiB
PHP
51 lines
2.1 KiB
PHP
<?php
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/*
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Copyright 2016-2018 Daniil Gentili
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(https://daniil.it)
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This file is part of MadelineProto.
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MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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MadelineProto 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.
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See the GNU Affero General Public License for more details.
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You should have received a copy of the GNU General Public License along with the MadelineProto.
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If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace danog\MadelineProto;
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class RSA
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{
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use \danog\MadelineProto\TL\TL;
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use \danog\MadelineProto\Tools;
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use \danog\Serializable;
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public $e;
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public $n;
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public $fp;
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public function __magic_construct($rsa_key)
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{
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\danog\MadelineProto\Logger::log(\danog\MadelineProto\Lang::$current_lang['rsa_init'], Logger::ULTRA_VERBOSE);
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$key = new \phpseclib\Crypt\RSA();
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\danog\MadelineProto\Logger::log(\danog\MadelineProto\Lang::$current_lang['loading_key'], Logger::ULTRA_VERBOSE);
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$key->load($rsa_key);
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$this->n = \phpseclib\Common\Functions\Objects::getVar($key, 'modulus');
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$this->e = \phpseclib\Common\Functions\Objects::getVar($key, 'exponent');
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\danog\MadelineProto\Logger::log(\danog\MadelineProto\Lang::$current_lang['computing_fingerprint'], Logger::ULTRA_VERBOSE);
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$this->fp = substr(sha1($this->serialize_object(['type' => 'bytes'], $this->n->toBytes(), 'key').$this->serialize_object(['type' => 'bytes'], $this->e->toBytes(), 'key'), true), -8);
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return true;
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}
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public function __sleep()
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{
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return ['e', 'n', 'fp'];
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}
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public function encrypt($data)
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{
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\danog\MadelineProto\Logger::log(\danog\MadelineProto\Lang::$current_lang['rsa_encrypting'], Logger::VERBOSE);
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return (new \phpseclib\Math\BigInteger($data, 256))->powMod($this->e, $this->n)->toBytes();
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}
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}
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