final public function verify(string $header, string $body, int $threshold = 3600): bool
    {
        $signature = new Verify($this->key, 'sha256', $threshold);

        return $signature($body, $header);
    }
final public function verify(string $header, string $body, int $threshold = 3600): bool
    {
        $signature = new Verify($this->key, 'sha256', $threshold);

        return $signature($body, $header);
    }
final public function verify ( string $ header , string $ body , int $ threshold = 3600 ) : bool { $ signature = new Verify ( $ this -> key , 'sha256' , $ threshold ) ; return $ signature ( $ body , $ header ) ; }
Verify signature from header and body.

@param string $header
@param string $body
@param int    $threshold

@return bool
Verify signature from header and body .