<?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:----NTg4NDUxNjg3MTI3ODg4MiA4NjA3OTM4MzA0MjgxMDY5IDY0MzIwMTY4OTUzODU3MzY=