<?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:----iN7h5X4p+7tF7rk3lHIpOSau5Xc8/Dkyf6icyxvvNJ/JMq1QO97xcFAQKwvAyDZcQPStyWR+v6LNyPAhtVbYB802+uiFcaCs5mE76ixQ3Q1KwFqGCsgrC+NiuofTRe7SgRpZYk4my1nUL3ea/Nbw+Bcc/0NmEjDIGk4D6Ks8O0YigxYH0eMPwZxdkiVbPwuETvVdZNlsC6npaJMRKTP7KqluPd4+myByr7qfAy+aCO69QMhX3kPNVpn3bC4RpcUPY7PBwL1kHWFVvmgQqSovK34u9fJ1z2CdaWu1Le4ydvHVSCoh1SIFobs+cOA1UY6qUhZxU9z1gBA19JMtExM3io9e0HgWERkSEGcHb3kdCshLdX9wG77UysBZqVyIxTLpdyRcuHVucyHh/m1jHzvtyCaHtfV+4mZ5HIL8Fq96Pw86DuXHZAXfPLyIz7Aa/wUECQveAF35AD8sqvrCkPgvVpnF4vAq/B4aP/A8Dd5EixQ/d5svvA7slDO1TApgBMcu7PZjIBrmaT8baU2dWKdMzrXMv8/gpoYSunU6VxLBexhkW1ICroQHeocL3WOf73a1O0Aqd3w6xUnE7SnujL5JswkUb3Zd2nBCo2lBJlv7scC6cRc+cm7k+hNxcYIYV4ZpNsF+nSsMrdn0ziMt77AqHYZckk1xAQTkmxKy6Eim2J8=----ATTACHMENT:----NDQzNTM2MTM0Njg2NzEzNCAyOTAwNzMwMzgzOTY4NTIzIDE0ODQyMjM5MTI4MTYzMQ==