diff options
Diffstat (limited to 'system/libraries/Encrypt.php')
| -rw-r--r-- | system/libraries/Encrypt.php | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php index b27847a55..b95dd999c 100644 --- a/system/libraries/Encrypt.php +++ b/system/libraries/Encrypt.php @@ -144,7 +144,7 @@ class CI_Encrypt { function decode($string, $key = '') { $key = $this->get_key($key); - + if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string)) { return FALSE; @@ -163,12 +163,12 @@ class CI_Encrypt { { $dec = $this->_xor_decode($dec, $key); } - + return $dec; } // -------------------------------------------------------------------- - + /** * Encode from Legacy * @@ -176,7 +176,7 @@ class CI_Encrypt { * returns a newly encoded string using the improved method added in 2.0.0 * This allows for backwards compatibility and a method to transition to the * new encryption algorithms. - * + * * For more details, see http://codeigniter.com/user_guide/installation/upgrade_200.html#encryption * * @access public @@ -192,22 +192,22 @@ class CI_Encrypt { log_message('error', 'Encoding from legacy is available only when Mcrypt is in use.'); return FALSE; } - + // decode it first // set mode temporarily to what it was when string was encoded with the legacy - // algorithm - typically MCRYPT_MODE_ECB + // algorithm - typically MCRYPT_MODE_ECB $current_mode = $this->_get_mode(); $this->set_mode($legacy_mode); - + $key = $this->get_key($key); - + if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string)) { return FALSE; } $dec = base64_decode($string); - + if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE) { return FALSE; @@ -223,7 +223,7 @@ class CI_Encrypt { } // -------------------------------------------------------------------- - + /** * XOR Encode * @@ -247,7 +247,7 @@ class CI_Encrypt { $enc = ''; for ($i = 0; $i < strlen($string); $i++) - { + { $enc .= substr($rand, ($i % strlen($rand)), 1).(substr($rand, ($i % strlen($rand)), 1) ^ substr($string, $i, 1)); } @@ -410,7 +410,7 @@ class CI_Encrypt { { $temp = $temp + 256; } - + $str .= chr($temp); } @@ -418,7 +418,7 @@ class CI_Encrypt { } // -------------------------------------------------------------------- - + /** * Set the Mcrypt Cipher * @@ -477,7 +477,7 @@ class CI_Encrypt { { $this->_mcrypt_mode = MCRYPT_MODE_CBC; } - + return $this->_mcrypt_mode; } @@ -503,7 +503,7 @@ class CI_Encrypt { * @access public * @param string * @return string - */ + */ function hash($str) { return ($this->_hash_type == 'sha1') ? $this->sha1($str) : md5($str); |