<?php declare(strict_types=1); namespace Cose\Algorithm\Signature\EdDSA; use Cose\Key\Key; final class Ed256 extends EdDSA { public const ID = -260; public static function create(): self { return new self(); } public static function identifier(): int { return self::ID; } public function sign(string $data, Key $key): string { $hashedData = hash('sha256', $data, true); return parent::sign($hashedData, $key); } public function verify(string $data, Key $key, string $signature): bool { $hashedData = hash('sha256', $data, true); return parent::verify($hashedData, $key, $signature); } }