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-rw-r--r--fs_selfservice/fri/includes/crypt.php81
1 files changed, 0 insertions, 81 deletions
diff --git a/fs_selfservice/fri/includes/crypt.php b/fs_selfservice/fri/includes/crypt.php
deleted file mode 100644
index 301d8a840..000000000
--- a/fs_selfservice/fri/includes/crypt.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-
-/*
- * Allows encrypt and decrypt
- */
-class Crypt {
-
- /**
- * Gets a random value for encryption
- * - From php.net docs
- *
- * @param $iv_len
- * length of random variable
- */
- function getRndIV($iv_len) {
-
- $iv = '';
- while ($iv_len-- > 0) {
- $iv .= chr(mt_rand() & 0xff);
- }
- return $iv;
- }
-
- /**
- * Encrypts string
- * - From php.net docs
- *
- * @param $str
- * string to encrypt
- * @param $salt
- * password to use for encryption
- * @param $iv_len
- * length of random number
- */
- function encrypt($str, $salt, $iv_len = 16) {
-
- $str .= "\x13";
- $n = strlen($str);
- if ($n % 16) $str .= str_repeat("\0", 16 - ($n % 16));
- $i = 0;
- $enc_text = $this->getRndIV($iv_len);
- $iv = substr($salt ^ $enc_text, 0, 512);
- while ($i < $n) {
- $block = substr($str, $i, 16) ^ pack('H*', md5($iv));
- $enc_text .= $block;
- $iv = substr($block . $iv, 0, 512) ^ $salt;
- $i += 16;
- }
- return urlencode(base64_encode($enc_text));
- }
-
- /**
- * Decrypts string
- * - From php.net docs
- *
- * @param $enc
- * encrypted string to decrypt
- * @param $salt
- * password to use for encryption
- * @param $iv_len
- * length of random number
- */
- function decrypt($enc, $salt, $iv_len = 16) {
-
- $enc = urldecode(base64_decode($enc));
- $n = strlen($enc);
- $i = $iv_len;
- $str = '';
- $iv = substr($salt ^ substr($enc, 0, $iv_len), 0, 512);
- while ($i < $n) {
- $block = substr($enc, $i, 16);
- $str .= $block ^ pack('H*', md5($iv));
- $iv = substr($block . $iv, 0, 512) ^ $salt;
- $i += 16;
- }
- return preg_replace('/\\x13\\x00*$/', '', $str);
- }
-}
-
-
-?>