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<?php class Encryption { var $skey = 'SuPerEncKey2010'; // you can change it public function safe_b64encode($string) { $data = base64_encode($string); $data = str_replace(array('+','/','='),array('-','_',''),$data); return $data; } public function safe_b64decode($string) { $data = str_replace(array('-','_'),array('+','/'),$string); $mod4 = strlen($data) % 4; if ($mod4) { $data .= substr('====', $mod4); } return base64_decode($data); } public function encode($value){ if(!$value){return false;} $text = $value; $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $this->skey, $text, MCRYPT_MODE_ECB, $iv); return trim($this->safe_b64encode($crypttext)); } public function decode($value){ if(!$value){return false;} $crypttext = $this->safe_b64decode($value); $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $this->skey, $crypttext, MCRYPT_MODE_ECB, $iv); return trim($decrypttext); } }; encrypt->encode('wong pinter');

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