src/Anonym/Crypt/McryptCipher.php
private function createIvSizeAndIvString()
    {
        $ivSize = mcrypt_get_iv_size($this->algorithm, $this->mode);

        return mcrypt_create_iv($ivSize, $this->rand);
    }
private function createIvSizeAndIvString()
    {
        $ivSize = mcrypt_get_iv_size($this->algorithm, $this->mode);

        return mcrypt_create_iv($ivSize, $this->rand);
    }
private function createIvSizeAndIvString ( ) { $ ivSize = mcrypt_get_iv_size ( $ this -> algorithm , $ this -> mode ) ; return mcrypt_create_iv ( $ ivSize , $ this -> rand ) ; }
create your special iv value

@return string
create your special iv value