456     private $encrypt = false;  variable in phpseclib3\\Net\\SSH2
1687 …$encrypt = self::array_intersect_first($c2s_encryption_algorithms, $this->encryption_algorithms_cl…
1688         $encryptKeyLength = $this->encryption_algorithm_to_key_size($encrypt);
1929         $this->encrypt = self::encryption_algorithm_to_crypt_instance($encrypt);
1930         if ($this->encrypt) {
1932                 $this->encrypt->setPreferredEngine(self::$crypto_engine);
1934             if ($this->encrypt->getBlockLengthInBytes()) {
1935                 $this->encrypt_block_size = $this->encrypt->getBlockLengthInBytes();
1937             $this->encrypt->disablePadding();
1939             if ($this->encrypt->usesIV()) {
1944                 $this->encrypt->setIV(substr($iv, 0, $this->encrypt_block_size));
1947             switch ($encrypt) {
1957                     $this->encrypt->enableContinuousBuffer();
1964             switch ($encrypt) {
1967                     $this->lengthEncrypt = self::encryption_algorithm_to_crypt_instance($encrypt);
1970             $this->encrypt->setKey(substr($key, 0, $encryptKeyLength));
1971             $this->encryptName = $encrypt;
2027         if ($encrypt == 'arcfour128' || $encrypt == 'arcfour256') {
2028             $this->encrypt->encrypt(str_repeat("\0", 1536));
2034         if (!$this->encrypt->usesNonce()) {
3379         $this->decrypt = $this->encrypt = false;
3509                         $this->decrypt->encrypt(str_repeat("\0", 32))
4198         if ($this->encrypt && $this->encrypt->usesNonce()) {
4206             case $this->encrypt && $this->encrypt->usesNonce():
4227         if ($this->encrypt) {
4231                     $this->encrypt->setNonce(
4236                     $this->encrypt->setAAD($temp = ($packet & "\xFF\xFF\xFF\xFF"));
4237                     $packet = $temp . $this->encrypt->encrypt(substr($packet, 4));
4241                     if (!($this->encrypt instanceof ChaCha20)) {
4247                     $this->encrypt->setNonce($nonce);
4250                     $length = $this->lengthEncrypt->encrypt($packet & "\xFF\xFF\xFF\xFF");
4252                     $this->encrypt->setCounter(0);
4256                     $this->encrypt->setPoly1305Key(
4257                         $this->encrypt->encrypt(str_repeat("\0", 32))
4259                     $this->encrypt->setAAD($length);
4260                     $this->encrypt->setCounter(1);
4261                     $packet = $length . $this->encrypt->encrypt(substr($packet, 4));
4265 …                     ($packet & "\xFF\xFF\xFF\xFF") . $this->encrypt->encrypt(substr($packet, 4)) :
4266                         $this->encrypt->encrypt($packet);
4281         $packet .= $this->encrypt && $this->encrypt->usesNonce() ? $this->encrypt->getTag() : $hmac;