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Filename : EcKeyGenerator.php
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<?php

/*
 * This file is part of the Acme PHP project.
 *
 * (c) Titouan Galopin <galopintitouan@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PleskSslIt\AcmePhp\Ssl\Generator\EcKey;

use PleskSslIt\AcmePhp\Ssl\Generator\KeyOption;
use PleskSslIt\AcmePhp\Ssl\Generator\OpensslPrivateKeyGeneratorTrait;
use PleskSslIt\AcmePhp\Ssl\Generator\PrivateKeyGeneratorInterface;
use PleskSslIt\Webmozart\Assert\Assert;
/**
 * Generate random EC private key using OpenSSL.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
class EcKeyGenerator implements PrivateKeyGeneratorInterface
{
    use OpensslPrivateKeyGeneratorTrait;
    /**
     * @param EcKeyOption|KeyOption $keyOption
     */
    public function generatePrivateKey(KeyOption $keyOption)
    {
        if (\PHP_VERSION_ID < 70100) {
            throw new \LogicException('The generation of ECDSA requires a version of PHP >= 7.1');
        }
        Assert::isInstanceOf($keyOption, EcKeyOption::class);
        return $this->generatePrivateKeyFromOpensslOptions(['private_key_type' => \OPENSSL_KEYTYPE_EC, 'curve_name' => $keyOption->getCurveName()]);
    }
    public function supportsKeyOption(KeyOption $keyOption)
    {
        return $keyOption instanceof EcKeyOption;
    }
}