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<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
* @link https://benramsey.com/projects/ramsey-uuid/ Documentation
* @link https://packagist.org/packages/ramsey/uuid Packagist
* @link https://github.com/ramsey/uuid GitHub
*/
namespace Ramsey\Uuid\Generator;
use RandomLib\Generator;
use RandomLib\Factory;
/**
* RandomLibAdapter provides functionality to generate strings of random
* binary data using the paragonie/random-lib library
*
* @link https://packagist.org/packages/paragonie/random-lib
*/
class RandomLibAdapter implements RandomGeneratorInterface
{
/**
* @var Generator
*/
private $generator;
/**
* Constructs a `RandomLibAdapter` using a `RandomLib\Generator`
*
* By default, if no `Generator` is passed in, this creates a high-strength
* generator to use when generating random binary data.
*
* @param Generator $generator An paragonie/random-lib `Generator`
*/
public function __construct(Generator $generator = null)
{
$this->generator = $generator;
if ($this->generator === null) {
$factory = new Factory();
$this->generator = $factory->getHighStrengthGenerator();
}
}
/**
* Generates a string of random binary data of the specified length
*
* @param integer $length The number of bytes of random binary data to generate
* @return string A binary string
*/
public function generate($length)
{
return $this->generator->generate($length);
}
}
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