| public static sign ( string | resource $filename, SignatureSecretKey $secretKey, boolean $raw_binary = false ) : string | ||
| $filename | string | resource | File name or file handle |
| $secretKey | SignatureSecretKey | Secret key for digital signatures |
| $raw_binary | boolean | Default: return hexadecimal |
| return | string | Detached signature for the file |
public static function sign($filename, SignatureSecretKey $secretKey, bool $raw_binary = false) : string
{
if (\is_resource($filename) || \is_string($filename)) {
$readOnly = new ReadOnlyFile($filename);
$signature = self::signData($readOnly, $secretKey, $raw_binary);
$readOnly->close();
return $signature;
}
throw new InvalidType('Argument 1: Expected a filename or resource');
} public function testSign()
{
$keypair = KeyFactory::generateSignatureKeyPair();
$secretkey = $keypair->getSecretKey();
$publickey = $keypair->getPublicKey();
$signature = File::sign(__DIR__ . '/tmp/paragon_avatar.png', $secretkey);
$this->assertTrue(!empty($signature));
$this->assertTrue(File::verify(__DIR__ . '/tmp/paragon_avatar.png', $publickey, $signature));
}
