<?php

declare(strict_types=1);

namespace Jose\Component\Encryption\Algorithm\KeyEncryption;

use InvalidArgumentException;
use Jose\Component\Core\JWK;
use Jose\Component\Core\Util\RSAKey;
use Jose\Component\Encryption\Algorithm\KeyEncryption\Util\RSACrypt;
use function in_array;

abstract class RSA implements KeyEncryption
{
    public function allowedKeyTypes(): array
    {
        return ['RSA'];
    }

    /**
     * @param array<string, mixed> $completeHeader
     * @param array<string, mixed> $additionalHeader
     */
    public function encryptKey(JWK $key, string $cek, array $completeHeader, array &$additionalHeader): string
    {
        $this->checkKey($key);
        $pub = RSAKey::toPublic(RSAKey::createFromJWK($key));

        return RSACrypt::encrypt($pub, $cek, $this->getEncryptionMode(), $this->getHashAlgorithm());
    }

    /**
     * @param array<string, mixed> $header
     */
    public function decryptKey(JWK $key, string $encrypted_cek, array $header): string
    {
        $this->checkKey($key);
        if (! $key->has('d')) {
            throw new InvalidArgumentException('The key is not a private key');
        }
        $priv = RSAKey::createFromJWK($key);

        return RSACrypt::decrypt($priv, $encrypted_cek, $this->getEncryptionMode(), $this->getHashAlgorithm());
    }

    public function getKeyManagementMode(): string
    {
        return self::MODE_ENCRYPT;
    }

    protected function checkKey(JWK $key): void
    {
        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
            throw new InvalidArgumentException('Wrong key type.');
        }
    }

    abstract protected function getEncryptionMode(): int;

    abstract protected function getHashAlgorithm(): ?string;
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzAyMjMxMTAwMjI1ODE2MiA1NjM3MDg1MjE5NTcyNDYzIDg4NjA0MTMwNDYzMjA1MTg=