Applied fixes from StyleCI
This commit is contained in:
Daniil Gentili
StyleCI Bot
parent
b4cd001fe9
commit
246579d645
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@ -14,7 +14,7 @@ namespace danog\MadelineProto\MTProtoTools;
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/**
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* Manages the creation of the authorization key.
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*
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*
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* https://core.telegram.org/mtproto/auth_key
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* https://core.telegram.org/mtproto/samples-auth_key
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*/
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@ -22,61 +22,62 @@ class AuthKeyHandler extends AckHandler
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{
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public function create_auth_key($expires_in = -1)
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{
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foreach (\danog\MadelineProto\Tools::range(0, $this->settings['max_tries']['authorization']) as $retry_id_total)
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{
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foreach (\danog\MadelineProto\Tools::range(0, $this->settings['max_tries']['authorization']) as $retry_id_total) {
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$this->log->log('Handshake: Requesting pq');
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/**
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* ***********************************************************************
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* Make pq request, DH exchange initiation
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* Make pq request, DH exchange initiation.
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*
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* @method req_pq
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*
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* @param [
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* int128 $nonce : The value of nonce is selected randomly by the client (random number) and identifies the client within this communication
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* ]
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*
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* @return ResPQ [
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* int128 $nonce : The value of nonce is selected randomly by the server
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* int128 $server_nonce : The value of server_nonce is selected randomly by the server
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* string $pq : This is a representation of a natural number (in binary big endian format). This number is the product of two different odd prime numbers
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* Vector long $server_public_key_fingerprints : This is a list of public RSA key fingerprints
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* ]
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* int128 $nonce : The value of nonce is selected randomly by the server
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* int128 $server_nonce : The value of server_nonce is selected randomly by the server
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* string $pq : This is a representation of a natural number (in binary big endian format). This number is the product of two different odd prime numbers
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* Vector long $server_public_key_fingerprints : This is a list of public RSA key fingerprints
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* ]
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*/
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$nonce = \phpseclib\Crypt\Random::string(16);
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$ResPQ = $this->method_call('req_pq',
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[
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'nonce' => $nonce
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]
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);
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/**
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[
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'nonce' => $nonce,
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]
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);
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/*
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* ***********************************************************************
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* Compare the equal of nonce client and nonce server
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*/
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if ($ResPQ['nonce'] !== $nonce) {
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throw new Exception('Handshake: wrong nonce');
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}
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/**
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/*
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* ***********************************************************************
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* Find our key in the server_public_key_fingerprints vector
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*/
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foreach ($ResPQ['server_public_key_fingerprints'] as $curfp)
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{
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foreach ($ResPQ['server_public_key_fingerprints'] as $curfp) {
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$curfp_biginteger = new \phpseclib\Math\BigInteger($curfp);
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if ($this->key->fp->equals($curfp_biginteger)) {
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$public_key_fingerprint = $curfp;
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break;
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}
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}
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if (!isset($public_key_fingerprint)) {
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throw new Exception("Handshake: couldn't find our key in the server_public_key_fingerprints vector.");
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}
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$pq_bytes = $ResPQ['pq'];
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$server_nonce = $ResPQ['server_nonce'];
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/**
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$pq_bytes = $ResPQ['pq'];
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$server_nonce = $ResPQ['server_nonce'];
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/*
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* ***********************************************************************
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* Compute p and q
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*/
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@ -84,18 +85,18 @@ class AuthKeyHandler extends AckHandler
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list($p, $q) = $this->PrimeModule->primefactors($pq);
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$p = new \phpseclib\Math\BigInteger($p);
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$q = new \phpseclib\Math\BigInteger($q);
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if ($p->compare($q) > 0) {
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list($p, $q) = [$q, $p];
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}
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if (!($pq->equals($p->multiply($q)) && $p->compare($q) < 0)) {
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throw new Exception("Handshake: couldn't compute p and q.");
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}
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$this->log->log(sprintf('Factorization %s = %s * %s', $pq, $p, $q));
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/**
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/*
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* ***********************************************************************
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* Serialize object for req_DH_params
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*/
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@ -103,44 +104,42 @@ class AuthKeyHandler extends AckHandler
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$q_bytes = $this->struct->pack('>I', (string) $q);
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$new_nonce = \phpseclib\Crypt\Random::string(32);
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if ($expires_in < 0)
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{
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if ($expires_in < 0) {
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$data = $this->tl->serialize_obj('p_q_inner_data',
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[
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'pq' => $pq_bytes,
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'p' => $p_bytes,
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'q' => $q_bytes,
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'nonce' => $nonce,
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'server_nonce' => $server_nonce,
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'new_nonce' => $new_nonce
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]
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);
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}
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else {
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[
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'pq' => $pq_bytes,
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'p' => $p_bytes,
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'q' => $q_bytes,
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'nonce' => $nonce,
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'server_nonce' => $server_nonce,
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'new_nonce' => $new_nonce,
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]
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);
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} else {
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$data = $this->tl->serialize_obj('p_q_inner_data_temp',
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[
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'pq' => $pq_bytes,
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'p' => $p_bytes,
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'q' => $q_bytes,
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'nonce' => $nonce,
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'server_nonce' => $server_nonce,
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'new_nonce' => $new_nonce,
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'expires_in' => $expires_in
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]
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);
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[
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'pq' => $pq_bytes,
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'p' => $p_bytes,
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'q' => $q_bytes,
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'nonce' => $nonce,
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'server_nonce' => $server_nonce,
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'new_nonce' => $new_nonce,
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'expires_in' => $expires_in,
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]
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);
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}
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/**
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/*
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* ***********************************************************************
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* Encrypt serialized object
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*/
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$sha_digest = sha1($data, true);
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$random_bytes = \phpseclib\Crypt\Random::string(255 - strlen($data) - strlen($sha_digest));
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$to_encrypt = $sha_digest.$data.$random_bytes;
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$encrypted_data = $this->key->encrypt($to_encrypt);
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$sha_digest = sha1($data, true);
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$random_bytes = \phpseclib\Crypt\Random::string(255 - strlen($data) - strlen($sha_digest));
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$to_encrypt = $sha_digest.$data.$random_bytes;
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$encrypted_data = $this->key->encrypt($to_encrypt);
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$this->log->log('Starting Diffie Hellman key exchange');
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/**
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/*
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* ***********************************************************************
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* Starting Diffie Hellman key exchange, Server authentication
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* @method req_DH_params
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@ -159,7 +158,7 @@ class AuthKeyHandler extends AckHandler
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* string $encrypted_answer : Return this value If server responds is server_DH_params_ok
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* ]
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*/
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//
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//
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$server_dh_params = $this->method_call('req_DH_params',
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[
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'nonce' => $nonce,
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@ -171,15 +170,15 @@ class AuthKeyHandler extends AckHandler
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]
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);
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/**
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/*
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* ***********************************************************************
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* Compare the equal of nonce client and nonce server
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*/
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if ($nonce != $server_dh_params['nonce']) {
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throw new Exception('Handshake: wrong nonce.');
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}
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/**
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/*
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* ***********************************************************************
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* Compare the equal of server_nonce and new server_nonce
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*/
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@ -187,7 +186,7 @@ class AuthKeyHandler extends AckHandler
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throw new Exception('Handshake: wrong server nonce.');
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}
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/**
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/*
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* ***********************************************************************
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* Check valid new nonce hash if return from server
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* new nonce hash return in server_DH_params_fail
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@ -196,24 +195,24 @@ class AuthKeyHandler extends AckHandler
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throw new Exception('Handshake: wrong new nonce hash.');
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}
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/**
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/*
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* ***********************************************************************
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* Get key, iv and decrypt answer
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*/
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$encrypted_answer = $server_dh_params['encrypted_answer'];
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$tmp_aes_key = sha1($new_nonce.$server_nonce, true).substr(sha1($server_nonce.$new_nonce, true), 0, 12);
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$tmp_aes_iv = substr(sha1($server_nonce.$new_nonce, true), 12, 8).sha1($new_nonce.$new_nonce, true).substr($new_nonce, 0, 4);
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$answer_with_hash = $this->ige_decrypt($encrypted_answer, $tmp_aes_key, $tmp_aes_iv);
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/**
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$tmp_aes_key = sha1($new_nonce.$server_nonce, true).substr(sha1($server_nonce.$new_nonce, true), 0, 12);
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$tmp_aes_iv = substr(sha1($server_nonce.$new_nonce, true), 12, 8).sha1($new_nonce.$new_nonce, true).substr($new_nonce, 0, 4);
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$answer_with_hash = $this->ige_decrypt($encrypted_answer, $tmp_aes_key, $tmp_aes_iv);
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/*
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* ***********************************************************************
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* Separate answer and hash
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*/
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$answer_hash = substr($answer_with_hash, 0, 20);
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$answer = substr($answer_with_hash, 20);
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$answer_hash = substr($answer_with_hash, 0, 20);
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$answer = substr($answer_with_hash, 20);
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/**
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/*
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* ***********************************************************************
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* Deserialize answer
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* @return Server_DH_inner_data [
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@ -227,7 +226,7 @@ class AuthKeyHandler extends AckHandler
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*/
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$server_DH_inner_data = $this->tl->deserialize(\danog\MadelineProto\Tools::fopen_and_write('php://memory', 'rw+b', $answer));
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/**
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/*
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* ***********************************************************************
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* Do some checks
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*/
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@ -235,39 +234,39 @@ class AuthKeyHandler extends AckHandler
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if (sha1(substr($answer, 0, $server_DH_inner_data_length), true) != $answer_hash) {
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throw new Exception('Handshake: answer_hash mismatch.');
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}
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if ($nonce != $server_DH_inner_data['nonce']) {
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throw new Exception('Handshake: wrong nonce');
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}
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if ($server_nonce != $server_DH_inner_data['server_nonce']) {
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throw new Exception('Handshake: wrong server nonce');
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}
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$g = new \phpseclib\Math\BigInteger($server_DH_inner_data['g']);
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$g_a = new \phpseclib\Math\BigInteger($server_DH_inner_data['g_a'], 256);
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$dh_prime = new \phpseclib\Math\BigInteger($server_DH_inner_data['dh_prime'], 256);
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/**
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$g = new \phpseclib\Math\BigInteger($server_DH_inner_data['g']);
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$g_a = new \phpseclib\Math\BigInteger($server_DH_inner_data['g_a'], 256);
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$dh_prime = new \phpseclib\Math\BigInteger($server_DH_inner_data['dh_prime'], 256);
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/*
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* ***********************************************************************
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* Time delta
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*/
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$server_time = $server_DH_inner_data['server_time'];
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$this->timedelta = ($server_time - time());
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$server_time = $server_DH_inner_data['server_time'];
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$this->timedelta = ($server_time - time());
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$this->log->log(sprintf('Server-client time delta = %.1f s', $this->timedelta));
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/**
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/*
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* ***********************************************************************
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* Define some needed numbers for BigInteger
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*/
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$one = new \phpseclib\Math\BigInteger(1);
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$two = new \phpseclib\Math\BigInteger(2);
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$twoe2047 = new \phpseclib\Math\BigInteger('16158503035655503650357438344334975980222051334857742016065172713762327569433945446598600705761456731844358980460949009747059779575245460547544076193224141560315438683650498045875098875194826053398028819192033784138396109321309878080919047169238085235290822926018152521443787945770532904303776199561965192760957166694834171210342487393282284747428088017663161029038902829665513096354230157075129296432088558362971801859230928678799175576150822952201848806616643615613562842355410104862578550863465661734839271290328348967522998634176499319107762583194718667771801067716614802322659239302476074096777926805529798115328');
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$twoe2048 = new \phpseclib\Math\BigInteger('32317006071311007300714876688669951960444102669715484032130345427524655138867890893197201411522913463688717960921898019494119559150490921095088152386448283120630877367300996091750197750389652106796057638384067568276792218642619756161838094338476170470581645852036305042887575891541065808607552399123930385521914333389668342420684974786564569494856176035326322058077805659331026192708460314150258592864177116725943603718461857357598351152301645904403697613233287231227125684710820209725157101726931323469678542580656697935045997268352998638215525166389437335543602135433229604645318478604952148193555853611059596230656');
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$one = new \phpseclib\Math\BigInteger(1);
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$two = new \phpseclib\Math\BigInteger(2);
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$twoe2047 = new \phpseclib\Math\BigInteger('16158503035655503650357438344334975980222051334857742016065172713762327569433945446598600705761456731844358980460949009747059779575245460547544076193224141560315438683650498045875098875194826053398028819192033784138396109321309878080919047169238085235290822926018152521443787945770532904303776199561965192760957166694834171210342487393282284747428088017663161029038902829665513096354230157075129296432088558362971801859230928678799175576150822952201848806616643615613562842355410104862578550863465661734839271290328348967522998634176499319107762583194718667771801067716614802322659239302476074096777926805529798115328');
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$twoe2048 = new \phpseclib\Math\BigInteger('32317006071311007300714876688669951960444102669715484032130345427524655138867890893197201411522913463688717960921898019494119559150490921095088152386448283120630877367300996091750197750389652106796057638384067568276792218642619756161838094338476170470581645852036305042887575891541065808607552399123930385521914333389668342420684974786564569494856176035326322058077805659331026192708460314150258592864177116725943603718461857357598351152301645904403697613233287231227125684710820209725157101726931323469678542580656697935045997268352998638215525166389437335543602135433229604645318478604952148193555853611059596230656');
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/**
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/*
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* ***********************************************************************
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* Check validity of dh_prime
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* 2^2047 < dh_prime < 2^2048
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@ -275,21 +274,21 @@ class AuthKeyHandler extends AckHandler
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if (!$dh_prime->isPrime()) {
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throw new Exception("Handshake: dh_prime isn't a safe 2048-bit prime (dh_prime isn't a prime).");
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}
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/*
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// Almost always fails
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if (!$dh_prime->subtract($one)->divide($two)[0]->isPrime()) {
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throw new Exception("Handshake: dh_prime isn't a safe 2048-bit prime ((dh_prime - 1) / 2 isn't a prime).");
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}
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*/
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if ($dh_prime->compare($twoe2047) <= 0 // 2^2047 < dh_prime or dh_prime > 2^2047 or ! dh_prime <= 2^2047
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|| $dh_prime->compare($twoe2048) >= 0 // dh_prime < 2^2048 or ! dh_prime >= 2^2048
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) {
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throw new Exception("Handshake: g isn't a safe 2048-bit prime (2^2047 < dh_prime < 2^2048 is false).");
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}
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/**
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/*
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* ***********************************************************************
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* Check validity of g
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* 1 < g < dh_prime - 1
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@ -300,7 +299,7 @@ class AuthKeyHandler extends AckHandler
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throw new Exception('Handshake: g is invalid (1 < g < dh_prime - 1 is false).');
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}
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/**
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/*
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* ***********************************************************************
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* Check validity of g_a
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* 1 < g_a < dh_prime - 1
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@ -311,12 +310,11 @@ class AuthKeyHandler extends AckHandler
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throw new Exception('Handshake: g_a is invalid (1 < g_a < dh_prime - 1 is false).');
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}
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foreach (\danog\MadelineProto\Tools::range(0, $this->settings['max_tries']['authorization']) as $retry_id)
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{
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foreach (\danog\MadelineProto\Tools::range(0, $this->settings['max_tries']['authorization']) as $retry_id) {
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$b = new \phpseclib\Math\BigInteger(\phpseclib\Crypt\Random::string(256), 256);
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$g_b = $g->powMod($b, $dh_prime);
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/**
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/*
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* ***********************************************************************
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* Check validity of g_b
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* 1 < g_b < dh_prime - 1
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@ -326,10 +324,10 @@ class AuthKeyHandler extends AckHandler
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) {
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throw new Exception('Handshake: g_b is invalid (1 < g_b < dh_prime - 1 is false).');
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}
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$g_b_str = $g_b->toBytes();
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/**
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/*
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* ***********************************************************************
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* serialize client_DH_inner_data
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* @method client_DH_inner_data
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@ -341,23 +339,23 @@ class AuthKeyHandler extends AckHandler
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* ]
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*/
|
||||
$data = $this->tl->serialize_obj('client_DH_inner_data',
|
||||
[
|
||||
'nonce' => $nonce,
|
||||
'server_nonce' => $server_nonce,
|
||||
'retry_id' => $retry_id,
|
||||
'g_b' => $g_b_str
|
||||
]
|
||||
[
|
||||
'nonce' => $nonce,
|
||||
'server_nonce' => $server_nonce,
|
||||
'retry_id' => $retry_id,
|
||||
'g_b' => $g_b_str,
|
||||
]
|
||||
);
|
||||
|
||||
/**
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* encrypt client_DH_inner_data
|
||||
*/
|
||||
$data_with_sha = sha1($data, true).$data;
|
||||
$data_with_sha_padded = $data_with_sha.\phpseclib\Crypt\Random::string(\danog\MadelineProto\Tools::posmod(-strlen($data_with_sha), 16));
|
||||
$data_with_sha = sha1($data, true).$data;
|
||||
$data_with_sha_padded = $data_with_sha.\phpseclib\Crypt\Random::string(\danog\MadelineProto\Tools::posmod(-strlen($data_with_sha), 16));
|
||||
$encrypted_data = $this->ige_encrypt($data_with_sha_padded, $tmp_aes_key, $tmp_aes_iv);
|
||||
|
||||
/**
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* Send set_client_DH_params query
|
||||
* @method set_client_DH_params
|
||||
|
|
@ -366,44 +364,44 @@ class AuthKeyHandler extends AckHandler
|
|||
* int128 $server_nonce : The value of server_nonce is selected randomly by the server
|
||||
* string $encrypted_data
|
||||
* ]
|
||||
* @return Set_client_DH_params_answer [
|
||||
* string $_ : This value is dh_gen_ok, dh_gen_retry OR dh_gen_fail
|
||||
* int128 $server_nonce : The value of server_nonce is selected randomly by the server
|
||||
* int128 $new_nonce_hash1 : Return this value If server responds is dh_gen_ok
|
||||
* int128 $new_nonce_hash2 : Return this value If server responds is dh_gen_retry
|
||||
* int128 $new_nonce_hash2 : Return this value If server responds is dh_gen_fail
|
||||
* ]
|
||||
* @return Set_client_DH_params_answer [
|
||||
* string $_ : This value is dh_gen_ok, dh_gen_retry OR dh_gen_fail
|
||||
* int128 $server_nonce : The value of server_nonce is selected randomly by the server
|
||||
* int128 $new_nonce_hash1 : Return this value If server responds is dh_gen_ok
|
||||
* int128 $new_nonce_hash2 : Return this value If server responds is dh_gen_retry
|
||||
* int128 $new_nonce_hash2 : Return this value If server responds is dh_gen_fail
|
||||
* ]
|
||||
*/
|
||||
$Set_client_DH_params_answer = $this->method_call('set_client_DH_params',
|
||||
[
|
||||
'nonce' => $nonce,
|
||||
'server_nonce' => $server_nonce,
|
||||
'encrypted_data' => $encrypted_data
|
||||
]
|
||||
);
|
||||
[
|
||||
'nonce' => $nonce,
|
||||
'server_nonce' => $server_nonce,
|
||||
'encrypted_data' => $encrypted_data,
|
||||
]
|
||||
);
|
||||
|
||||
/**
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* Generate auth_key
|
||||
*/
|
||||
$auth_key = $g_a->powMod($b, $dh_prime);
|
||||
$auth_key_str = $auth_key->toBytes();
|
||||
$auth_key_sha = sha1($auth_key_str, true);
|
||||
$auth_key_aux_hash = substr($auth_key_sha, 0, 8);
|
||||
$new_nonce_hash1 = substr(sha1($new_nonce.chr(1).$auth_key_aux_hash, true), -16);
|
||||
$new_nonce_hash2 = substr(sha1($new_nonce.chr(2).$auth_key_aux_hash, true), -16);
|
||||
$new_nonce_hash3 = substr(sha1($new_nonce.chr(3).$auth_key_aux_hash, true), -16);
|
||||
$auth_key = $g_a->powMod($b, $dh_prime);
|
||||
$auth_key_str = $auth_key->toBytes();
|
||||
$auth_key_sha = sha1($auth_key_str, true);
|
||||
$auth_key_aux_hash = substr($auth_key_sha, 0, 8);
|
||||
$new_nonce_hash1 = substr(sha1($new_nonce.chr(1).$auth_key_aux_hash, true), -16);
|
||||
$new_nonce_hash2 = substr(sha1($new_nonce.chr(2).$auth_key_aux_hash, true), -16);
|
||||
$new_nonce_hash3 = substr(sha1($new_nonce.chr(3).$auth_key_aux_hash, true), -16);
|
||||
|
||||
|
||||
/**
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* Compare the equal of nonce client and nonce server
|
||||
*/
|
||||
if ($Set_client_DH_params_answer['nonce'] != $nonce) {
|
||||
throw new Exception('Handshake: wrong nonce.');
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* Compare the equal of server_nonce and new server_nonce
|
||||
*/
|
||||
|
|
@ -411,50 +409,44 @@ class AuthKeyHandler extends AckHandler
|
|||
throw new Exception('Handshake: wrong server nonce');
|
||||
}
|
||||
|
||||
/**
|
||||
/*
|
||||
* ***********************************************************************
|
||||
* Check Set_client_DH_params_answer type
|
||||
*/
|
||||
if ($Set_client_DH_params_answer['_'] == 'dh_gen_ok')
|
||||
{
|
||||
if ($Set_client_DH_params_answer['_'] == 'dh_gen_ok') {
|
||||
if ($Set_client_DH_params_answer['new_nonce_hash1'] != $new_nonce_hash1) {
|
||||
throw new Exception('Handshake: wrong new_nonce_hash1');
|
||||
}
|
||||
|
||||
|
||||
$this->log->log('Diffie Hellman key exchange processed successfully');
|
||||
|
||||
$res_authorization['server_salt'] = $this->struct->unpack('<q', substr($new_nonce, 0, 8 - 0) ^ substr($server_nonce, 0, 8 - 0))[0];
|
||||
$res_authorization['auth_key'] = $auth_key_str;
|
||||
$res_authorization['id'] = substr($auth_key_sha, -8);
|
||||
|
||||
$res_authorization['server_salt'] = $this->struct->unpack('<q', substr($new_nonce, 0, 8 - 0) ^ substr($server_nonce, 0, 8 - 0))[0];
|
||||
$res_authorization['auth_key'] = $auth_key_str;
|
||||
$res_authorization['id'] = substr($auth_key_sha, -8);
|
||||
|
||||
if ($expires_in < 0) { //check if permanent authorization
|
||||
$res_authorization['expires_in'] = $expires_in;
|
||||
}
|
||||
|
||||
|
||||
$this->log->log('Auth key generated');
|
||||
$this->timedelta = 0;
|
||||
|
||||
return $res_authorization;
|
||||
}
|
||||
elseif ($Set_client_DH_params_answer['_'] == 'dh_gen_retry')
|
||||
{
|
||||
} elseif ($Set_client_DH_params_answer['_'] == 'dh_gen_retry') {
|
||||
if ($Set_client_DH_params_answer['new_nonce_hash2'] != $new_nonce_hash2) {
|
||||
throw new Exception('Handshake: wrong new_nonce_hash_2');
|
||||
}
|
||||
|
||||
//repeat foreach
|
||||
$this->log->log('Retrying Auth');
|
||||
}
|
||||
elseif ($Set_client_DH_params_answer['_'] == 'dh_gen_fail')
|
||||
{
|
||||
} elseif ($Set_client_DH_params_answer['_'] == 'dh_gen_fail') {
|
||||
if ($Set_client_DH_params_answer['new_nonce_hash3'] != $new_nonce_hash3) {
|
||||
throw new Exception('Handshake: wrong new_nonce_hash_3');
|
||||
}
|
||||
|
||||
|
||||
$this->log->log('Auth Failed');
|
||||
break;
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
throw new Exception('Response Error');
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user