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<?php
namespace MadWizard\WebAuthn\Format;
use MadWizard\WebAuthn\Exception\ParseException;
use function base64_decode;
use function base64_encode;
final class Base64UrlEncoding
{
public static function encode(string $data): string
return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
}
public static function decode(string $data): string
$res = base64_decode(strtr($data, '-_', '+/'), true);
if ($res === false) {
throw new ParseException('Failed to decode base64url encoded data');
return $res;
madwizard-org /
webauthn-server
