public function startBody()
    {
        // Init
        switch ($this->hashAlgorithm) {
            case 'rsa-sha256':
                $this->bodyHashHandler = hash_init('sha256');
                break;
            case 'rsa-sha1':
                $this->bodyHashHandler = hash_init('sha1');
                break;
        }
        $this->bodyCanonLine = '';
    }