-if(! function_exists('aes_decrypt')) {
-function aes_decrypt($val,$ky)
-{
- $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- for($a=0;$a<strlen($ky);$a++)
- $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
- $mode = MCRYPT_MODE_ECB;
- $enc = MCRYPT_RIJNDAEL_128;
- $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
- return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
-}}
-
-
-if(! function_exists('aes_encrypt')) {
-function aes_encrypt($val,$ky)
-{
- $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- for($a=0;$a<strlen($ky);$a++)
- $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
- $mode=MCRYPT_MODE_ECB;
- $enc=MCRYPT_RIJNDAEL_128;
- $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
- return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
-}}
-
-