<?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:----MTcyMDA4NzAxOTI1MjQ2NyA2OTY1NTM0ODExMDc2NzYzIDgxNjQ0NDYwODM0ODAzMTE=