php mysql ¼ÓÃÜ £¿

ÔõÑùÈÿͻ§´æÈëÊý¾Ý¿âÖеĶ«Î÷Ö»ÄÜ¿Í»§×Ô¼º¿´µ½£¿¼´Ê¹Êdz¬¼¶Óû§Ò²ÎÞ·¨¿´µ½ÄØ£¿

±ÈÈçÏÖÔÚÁ÷ÐÐµÄ SAAS Èí¼þ·þÎñ£¬Óû§´æÔÚ·þÎñÆ÷ÖÐÊý¾Ý¿âÀïµÄ¶«Î÷³¬¼¶Óû§²»ÊÇÓÐȨÏÞ¿ÉÒÔ¿´µ½µÄô£¿

ËûÃÇÔõô×öµ½µÄÄØ£¿

Óû§ÃÜÂë¿ÉÒÔ¼ÓÃÜ£¬µ«²»¿ÉÄÜÄæÏòÏÔʾ°¡¡£

´æÈëÊý¾Ý¿âʱ£¬ÄÚÈÝ¿ÉÒÔÓüÓÃܺ¯Êý¼ÓÃÜ£¬µ«µ÷³öʱ£¬ÔõÑù»¹Ô­ÄØ£¿


лл

---

¿ÉÒÔÓÃÄæÏòº¯Êý¼ÓÃÜ°¡, »òÕßÄã²»¸øȨÏÞ³¬¼¶Óû§¿´Ò²ÐÐ

---

Äú˵µÄÊÇ mcrypt_encrypt()ºÍ mcrypt_decrypt()  £¿

ÇëÎÊ»¹ÓÐÆäËû·½·¨Ã´£¿

---

ÒýÓÃ

Äú˵µÄÊÇ mcrypt_encrypt()ºÍ mcrypt_decrypt()  £¿

ÇëÎÊ»¹ÓÐÆäËû·½·¨Ã´£¿

²»ÊÇ£¬ DZÓиö·Ç³£ÓúõÄÄæÏò¼ÓÃܺ¯Êý½Ðauthcode()

---

function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {

$ckey_length = 4;
$key = md5($key ? $key : 'abc'; 
                                //abcÊÇkey, ×Ô¼º¸Ä¸Ä£¬ ²»ÖªµÀÕâkey£¬ »ù±¾ÄæÏò½âÃܱȽÏÀ§ÄÑ
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';

$cryptkey = $keya.md5($keya.$keyc);
$key_length = strlen($cryptkey);

$string = $operation == 'DECODE' ? base64_decode