<?php

declare(strict_types=1);

namespace Cose\Algorithm\Signature\RSA;

use Cose\Algorithm\Signature\Signature;
use Cose\Key\Key;
use Cose\Key\RsaKey;
use InvalidArgumentException;
use Throwable;
use function openssl_sign;
use function openssl_verify;

/**
 * @see \Cose\Tests\Algorithm\Signature\RSA\RSATest
 */
abstract class RSA implements Signature
{
    public function sign(string $data, Key $key): string
    {
        $key = $this->handleKey($key);
        if (! $key->isPrivate()) {
            throw new InvalidArgumentException('The key is not private.');
        }

        try {
            openssl_sign($data, $signature, $key->asPem(), $this->getHashAlgorithm());
        } catch (Throwable $e) {
            throw new InvalidArgumentException('Unable to sign the data', 0, $e);
        }

        return $signature;
    }

    public function verify(string $data, Key $key, string $signature): bool
    {
        $key = $this->handleKey($key);

        return openssl_verify($data, $signature, $key->toPublic()->asPem(), $this->getHashAlgorithm()) === 1;
    }

    abstract protected function getHashAlgorithm(): int;

    private function handleKey(Key $key): RsaKey
    {
        return RsaKey::create($key->getData());
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTAyMTAxNzMzNDU0MDk1NCA5OTA5NTEyMjgxNTkyNDEyIDIzMjI4NTA5NzA3MzMyNDQ=