<?php

declare(strict_types=1);

namespace Facile\JoseVerifier;

use Base64Url\Base64Url;
use function hash;
use Jose\Component\Core\JWK;
use function round;
use function substr;

/**
 * @internal
 */
function derived_key(string $secret, int $length): JWK
{
    $hash = substr(hash('sha256', $secret, true), 0, (int) round($length / 8));

    return new JWK([
        'k' => Base64Url::encode($hash),
        'kty' => 'oct',
    ]);
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjE5Nzk4NDg3MDYzOTYwOCAyMTg5NDEyMzIxMDY0OTYxIDY5ODExMzUwOTQ4ODA5MzU=