diff options
| author | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
|---|---|---|
| committer | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
| commit | 19985dbb8c0aa66dc4bf7905abc1148de909097d (patch) | |
| tree | 2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /admin/survey/excel/PHPExcel/Shared/PasswordHasher.php | |
| download | 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar.gz 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar.bz2 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar.lz 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar.xz 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.tar.zst 1ka-19985dbb8c0aa66dc4bf7905abc1148de909097d.zip | |
Diffstat (limited to 'admin/survey/excel/PHPExcel/Shared/PasswordHasher.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Shared/PasswordHasher.php | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Shared/PasswordHasher.php b/admin/survey/excel/PHPExcel/Shared/PasswordHasher.php new file mode 100644 index 0000000..9c8a3b4 --- /dev/null +++ b/admin/survey/excel/PHPExcel/Shared/PasswordHasher.php @@ -0,0 +1,67 @@ +<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category PHPExcel
+ * @package PHPExcel_Shared
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Shared_PasswordHasher
+ *
+ * @category PHPExcel
+ * @package PHPExcel_Shared
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Shared_PasswordHasher
+{
+ /**
+ * Create a password hash from a given string.
+ *
+ * This method is based on the algorithm provided by
+ * Daniel Rentz of OpenOffice and the PEAR package
+ * Spreadsheet_Excel_Writer by Xavier Noguer <xnoguer@rezebra.com>.
+ *
+ * @param string $pPassword Password to hash
+ * @return string Hashed password
+ */
+ public static function hashPassword($pPassword = '') {
+ $password = 0x0000;
+ $i = 1; // char position
+
+ // split the plain text password in its component characters
+ $chars = preg_split('//', $pPassword, -1, PREG_SPLIT_NO_EMPTY);
+ foreach ($chars as $char) {
+ $value = ord($char) << $i; // shifted ASCII value
+ $rotated_bits = $value >> 15; // rotated bits beyond bit 15
+ $value &= 0x7fff; // first 15 bits
+ $password ^= ($value | $rotated_bits);
+ ++$i;
+ }
+
+ $password ^= strlen($pPassword);
+ $password ^= 0xCE4B;
+
+ return(strtoupper(dechex($password)));
+ }
+}
|