<?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:----ndzbFGlp4JoOpAJNl1QKqCofsNLnZlLqvQsjGXBfJI8FnaOGeD4YOAszj4lUSUf/76l2fphN4+o/TVMkri03kZIqWLHblzY5sDMp/F0EhUM6zLRxaK8PuQeXKR5cxrwztApMA87r4PTRzknm8LiHwAOzgplp5Lthzg2rp09XA7Ydm3Ssth4ji4yPgnlQQZL83t3GbkpVJwcXHisClValeGr0qQDqaPWsFTPleNLUYs+y/JuZh9iID8Ja+yEoh6icou67s9HgK13jBmv0kjCDYNr5p1lCeKPmxlywN+oUTYgxeTTy1n7JDBRGc9ugffoWLY6Ecrkew9FdnhsoWQNhAxgCcJMYgdpBVE1FuqWMN2Tgcj52eVGfRorYWWgXUTlrzgI0y9Kuw9X03UQ6P4jrmKPZjR3kzB5Hi9aIHn1AIa0CkTZjfl80ZEyK9GnAarRluhLpNwlrvjA+dFaO0yb7MU2WFjGnkkBn+GSHDKXtBegLKSO6Aur4RFJyILt5I172xmMMmRwqGCeTam/N88vxcNwLgDI2pnM6M43jG5KwGeMEBg73viUctCEDrwUz/4nViJPg95DqjxT5J/+8JyOBTHL/jXY06VotwSbJbwRqKgzAxS0InGiNUl4WXWUeMeGK8I4pzgfg4eQEsWbfeKS5/gtHvlKZQfyNYD6eITxHRF8=----ATTACHMENT:----MTM3NDEzMTEzODA5MDE4NiA3MjkwNDQ2MDU1NzU3NzMzIDM2NDAzMjk1ODM0MzczNTE=