From 2167d12b3fd9a66006b83cc8660325b6f8831a70 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Tue, 2 Feb 2021 12:57:46 +0000
Subject: composer add phpseclib

---
 .../constant_time_encoding/src/Binary.php          | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 vendor/paragonie/constant_time_encoding/src/Binary.php

(limited to 'vendor/paragonie/constant_time_encoding/src/Binary.php')

diff --git a/vendor/paragonie/constant_time_encoding/src/Binary.php b/vendor/paragonie/constant_time_encoding/src/Binary.php
new file mode 100644
index 000000000..38dbc4e66
--- /dev/null
+++ b/vendor/paragonie/constant_time_encoding/src/Binary.php
@@ -0,0 +1,85 @@
+<?php
+declare(strict_types=1);
+namespace ParagonIE\ConstantTime;
+
+/**
+ *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
+ *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+/**
+ * Class Binary
+ *
+ * Binary string operators that don't choke on
+ * mbstring.func_overload
+ *
+ * @package ParagonIE\ConstantTime
+ */
+abstract class Binary
+{
+    /**
+     * Safe string length
+     *
+     * @ref mbstring.func_overload
+     *
+     * @param string $str
+     * @return int
+     */
+    public static function safeStrlen(string $str): int
+    {
+        if (\function_exists('mb_strlen')) {
+            return (int) \mb_strlen($str, '8bit');
+        } else {
+            return \strlen($str);
+        }
+    }
+
+    /**
+     * Safe substring
+     *
+     * @ref mbstring.func_overload
+     *
+     * @staticvar boolean $exists
+     * @param string $str
+     * @param int $start
+     * @param int $length
+     * @return string
+     * @throws \TypeError
+     */
+    public static function safeSubstr(
+        string $str,
+        int $start = 0,
+        $length = null
+    ): string {
+        if ($length === 0) {
+            return '';
+        }
+        if (\function_exists('mb_substr')) {
+            return \mb_substr($str, $start, $length, '8bit');
+        }
+        // Unlike mb_substr(), substr() doesn't accept NULL for length
+        if ($length !== null) {
+            return \substr($str, $start, $length);
+        } else {
+            return \substr($str, $start);
+        }
+    }
+}
-- 
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