HMACSigningKeyGenerator.php

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<?php

declare(strict_types=1);

namespace ILIAS\FileDelivery\Token\Signer\Key\Signing;

use ILIAS\FileDelivery\Token\Signer\Salt\Salt;
use ILIAS\FileDelivery\Token\Signer\Key\Secret\SecretKey;
use ILIAS\FileDelivery\Token\Signer\Algorithm\Algorithm;

class HMACSigningKeyGenerator implements SigningKeyGenerator
{
    public function __construct(
        private Algorithm $algorithm
    ) {
    }

    public function generate(SecretKey $secret_key, Salt $salt): SigningKey
    {
        return new SigningKey(hash_hmac($this->algorithm->getName(), $salt->get(), $secret_key->get(), false));
    }
}