<?php

namespace AcmePhp\Ssl\Generator;

use AcmePhp\Ssl\Exception\KeyGenerationException;
use AcmePhp\Ssl\Exception\KeyPairGenerationException;
use AcmePhp\Ssl\Generator\DhKey\DhKeyGenerator;
use AcmePhp\Ssl\Generator\DsaKey\DsaKeyGenerator;
use AcmePhp\Ssl\Generator\EcKey\EcKeyGenerator;
use AcmePhp\Ssl\Generator\RsaKey\RsaKeyGenerator;
use AcmePhp\Ssl\Generator\RsaKey\RsaKeyOption;
use AcmePhp\Ssl\KeyPair;

/**
 * Generate random KeyPair using OpenSSL.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
class KeyPairGenerator
{
    private $generator;

    public function __construct(?PrivateKeyGeneratorInterface $generator = null)
    {
        $this->generator = $generator ?: new ChainPrivateKeyGenerator(
            [
                new RsaKeyGenerator(),
                new EcKeyGenerator(),
                new DhKeyGenerator(),
                new DsaKeyGenerator(),
            ]
        );
    }

    /**
     * @param KeyOption|null $keyOption configuration of the key to generate
     *
     * @throws KeyPairGenerationException when OpenSSL failed to generate keys
     */
    public function generateKeyPair(?KeyOption $keyOption = null): KeyPair
    {
        if (null === $keyOption) {
            $keyOption = new RsaKeyOption();
        }

        try {
            $privateKey = $this->generator->generatePrivateKey($keyOption);
        } catch (KeyGenerationException $e) {
            throw new KeyPairGenerationException('Fail to generate a KeyPair with the given options', 0, $e);
        }

        return new KeyPair(
            $privateKey->getPublicKey(),
            $privateKey
        );
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDAwNzM3ODgxNTkwNjMxMiAzMjEzNzIyMTcwNzcwMDQ5IDk2ODM4ODk2NjAyODExMjU=