<?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:----OTA4NTQ3MTM5MTQ2NTY2NCAxMzI5ODcxNDk5NDc1MTE5IDc5MjA2ODU1NTUzNDQ2OTQ=