<?php

namespace Facile\JoseVerifier;

use Base64Url\Base64Url;
use Jose\Component\Core\JWK;

use function hash;
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:----NjM1MTg4MjA3NjE3Mjk0MSA5MzA3NDU0MTI1NTg4MzY0IDM1Nzc4NTY0OTM0NDY4OTI=