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<?php
declare(strict_types=1);
namespace SimpleSAML\XMLSecurity\Alg\Signature;
use SimpleSAML\XMLSecurity\Alg\SignatureAlgorithm;
use SimpleSAML\XMLSecurity\Backend\HMAC as HMAC_Backend;
use SimpleSAML\XMLSecurity\Constants as C;
use SimpleSAML\XMLSecurity\Key\SymmetricKey;
/**
* Class implementing the HMAC signature algorithm
*
* @package simplesamlphp/xml-security
*/
final class HMAC extends AbstractSigner implements SignatureAlgorithm
{
/** @var string */
protected string $default_backend = HMAC_Backend::class;
* HMAC constructor.
* @param \SimpleSAML\XMLSecurity\Key\SymmetricKey $key The symmetric key to use.
* @param string $algId The identifier of this algorithm.
public function __construct(SymmetricKey $key, string $algId = C::SIG_HMAC_SHA256)
parent::__construct($key, $algId, C::$HMAC_DIGESTS[$algId]);
}
* @inheritDoc
public static function getSupportedAlgorithms(): array
return array_keys(C::$HMAC_DIGESTS);
simplesamlphp /
xml-security
