<?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:----NDE3MzAzOTEwNzM5OTczMyA2OTQ1NTk5NzU5MTkyNTc3IDc5MTM0MTE3ODg2MzgzODI=