<?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:----NTU0MjYxNDE0NzQ0NTgzNyA1OTc0NzAyMzA0OTI4NDYxIDEyOTY3MjExMTc3MTE3NA==