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msd/inc/home/apr1_md5/apr1_md5.php

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+<?php
+
+namespace WhiteHat101\Crypt;
+
+class APR1_MD5
+{
+    public const BASE64_ALPHABET = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+    public const APRMD5_ALPHABET = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+
+    // Source/References for core algorithm:
+    // http://www.cryptologie.net/article/126/bruteforce-apr1-hashes/
+    // http://svn.apache.org/viewvc/apr/apr-util/branches/1.3.x/crypto/apr_md5.c?view=co
+    // http://www.php.net/manual/en/function.crypt.php#73619
+    // http://httpd.apache.org/docs/2.2/misc/password_encryptions.html
+    // Wikipedia
+
+    public static function hash($mdp, $salt = null)
+    {
+        if (is_null($salt)) {
+            $salt = self::salt();
+        }
+        $salt = substr($salt, 0, 8);
+        $max = strlen($mdp);
+        $context = $mdp.'$apr1$'.$salt;
+        $binary = pack('H32', md5($mdp.$salt.$mdp));
+        for ($i = $max; $i > 0; $i -= 16) {
+            $context .= substr($binary, 0, min(16, $i));
+        }
+        for ($i = $max; $i > 0; $i >>= 1) {
+            $context .= ($i & 1) ? chr(0) : $mdp[0];
+        }
+        $binary = pack('H32', md5($context));
+        for ($i = 0; $i < 1000; ++$i) {
+            $new = ($i & 1) ? $mdp : $binary;
+            if ($i % 3) {
+                $new .= $salt;
+            }
+            if ($i % 7) {
+                $new .= $mdp;
+            }
+            $new .= ($i & 1) ? $binary : $mdp;
+            $binary = pack('H32', md5($new));
+        }
+        $hash = '';
+        for ($i = 0; $i < 5; ++$i) {
+            $k = $i + 6;
+            $j = $i + 12;
+            if (16 == $j) {
+                $j = 5;
+            }
+            $hash = $binary[$i].$binary[$k].$binary[$j].$hash;
+        }
+        $hash = chr(0).chr(0).$binary[11].$hash;
+        $hash = strtr(
+            strrev(substr(base64_encode($hash), 2)),
+            self::BASE64_ALPHABET,
+            self::APRMD5_ALPHABET
+        );
+        return '$apr1$'.$salt.'$'.$hash;
+    }
+
+    // 8 character salts are the best. Don't encourage anything but the best.
+    public static function salt()
+    {
+        $alphabet = self::APRMD5_ALPHABET;
+        $salt = '';
+        for ($i = 0; $i < 8; ++$i) {
+            $offset = hexdec(bin2hex(openssl_random_pseudo_bytes(1))) % 64;
+            $salt .= $alphabet[$offset];
+        }
+        return $salt;
+    }
+
+    public static function check($plain, $hash)
+    {
+        $parts = explode('$', $hash);
+        return self::hash($plain, $parts[2]) === $hash;
+    }
+}

msd/inc/home/apr1_md5/license.txt

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+The MIT License (MIT)
+
+Copyright (c) 2015 Jeremy
+
+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.
+

msd/inc/home/apr1_md5/origin_url.txt

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+https://github.com/whitehat101/apr1-md5