<?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:----NDE4OTE4NzA1NjQwODQ1NCA0MDkxMjM3NTcyMjE3OTI2IDQ3OTg5Mzc2MjI1MjYxMQ==