269     protected $decryptIV;  variable in phpseclib3\\Crypt\\Common\\SymmetricKey
1166             $cipher->encryptIV = $this->iv = $this->encryptIV = $this->decryptIV = $oldIV;
1258 …encrypt($iv, $this->cipher_name_openssl_ecb, $this->key, $this->openssl_options, $this->decryptIV);
1553                 $cipher->encryptIV = $this->iv = $this->encryptIV = $this->decryptIV = $oldIV;
1578 …$this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->decryptIV);
1580                         $this->decryptIV = substr($ciphertext, -$offset, $this->block_size);
1584 …           $plaintext = $this->openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer);
1591                         $iv = &$this->decryptIV;
1594                         $iv = $this->decryptIV;
1632 …$this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->decryptIV);
1635                             $this->decryptIV = substr($ciphertext, -$this->block_size);
1637 …$this->decryptIV = substr($this->decryptIV, $len - $this->block_size) . substr($ciphertext, -$len);
1644                     $iv = $this->decryptIV;
1647 …encrypt($iv, $this->cipher_name_openssl_ecb, $this->key, $this->openssl_options, $this->decryptIV);
1653                         $this->decryptIV = $iv;
1657 …           $plaintext = $this->openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer);
1668                 mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV));
1673                 $iv = &$this->decryptIV;
1715                 mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV));
1739                 $xor = $this->decryptIV;
1746                     $this->decryptIV = $xor;
1750                 $xor = $this->decryptIV;
1770                     $this->decryptIV = $xor;
1778                     $iv = &$this->decryptIV;
1781                     $iv = $this->decryptIV;
1820                 $iv = $this->decryptIV;
1829                         $this->decryptIV = substr($ciphertext, -$block_size);
1831 …      $this->decryptIV = substr($this->decryptIV, $len - $block_size) . substr($ciphertext, -$len);
1838                 $iv = $this->decryptIV;
1847                     $this->decryptIV = $iv;
1851                 $xor = $this->decryptIV;
1870                     $this->decryptIV = $xor;
2509         $this->encryptIV = $this->decryptIV = $this->iv;