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libs/Ramsey/Uuid/Generator/SodiumRandomGenerator.php

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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;
+
+/**
+ * SodiumRandomGenerator provides functionality to generate strings of random
+ * binary data using the PECL libsodium extension
+ *
+ * @deprecated As of PHP 7.2.0, the libsodium extension is bundled with PHP, and
+ *     the random_bytes() PHP function is now the recommended method for
+ *     generating random byes. The default RandomBytesGenerator uses the
+ *     random_bytes() function.
+ *     <em>This generator will be removed in ramsey/uuid 4.0.0.</em>
+ * @link http://pecl.php.net/package/libsodium
+ * @link https://paragonie.com/book/pecl-libsodium
+ */
+class SodiumRandomGenerator implements RandomGeneratorInterface
+{
+    /**
+     * 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 \Sodium\randombytes_buf($length);
+    }
+}