<?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:----OTU5MjAzODcyNTAzNTgwIDY0NzcwNzQ5NjI5Njc3MjAgMjYzOTEwMjc1NzgwOTU5NQ==