本文实例讲述了PHP的AES加密算法。分享给大家供大家参考，具体如下：
PHP;">
key = hash('sha256',$this->key,true);
//echo $this->key.'@H_301_3@';
}
function encrypt($str) {
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128,'',MCRYPT_MODE_CBC,'');
mcrypt_generic_init($td,$this->hexToStr($this->hex_iv));
$block = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_CBC);
$pad = $block - (strlen($str) % $block);
$str .= str_repeat(chr($pad),$pad);
$encrypted = mcrypt_generic($td,$str);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return base64_encode($encrypted);
}
function decrypt($code) {
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128,$this->hexToStr($this->hex_iv));
$str = mdecrypt_generic($td,base64_decode($code));
$block = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_CBC);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $this->strippadding($str);
}
/*
For PKCS7 padding
*/
private function addpadding($string,$blocksize = 16) {
$len = strlen($string);
$pad = $blocksize - ($len % $blocksize);
$string .= str_repeat(chr($pad),$pad);
return $string;
}
private function strippadding($string) {
$slast = ord(substr($string,-1));
$slastc = chr($slast);
$pcheck = substr($string,-$slast);
if (preg_match("/$slastc{" . $slast . "}/",$string)) {
$string = substr($string,strlen($string) - $slast);
return $string;
} else {
return false;
}
}
function hexToStr($hex)
{
$string='';
for ($i=0; $i < strlen($hex)-1; $i+=2)
{
$string .= chr(hexdec($hex[$i].$hex[$i+1]));
}
return $string;
}
}
$encryption = new MCrypt();
echo $encryption->encrypt('123456') . "@H_301_3@";
echo $encryption->decrypt('tpyxISJ83dqEs3uw8bN/+w==');
?>
密码安全性在线检测：
高强度密码生成器：
http://tools.jb51.cc/password/Createh3Password
MD5在线加密工具：
http://tools.jb51.cc/password/CreateMD5Password迅雷、快车、旋风URL加密/解密工具：
http://tools.jb51.cc/password/urlrethunder在线散列/哈希算法加密工具：
http://tools.jb51.cc/password/hash_encrypt更多关于PHP相关内容感兴趣的读者可查看本站专题：《》、《》、《》、《》、《》、《》、《》、《》、《》、及《》
希望本文所述对大家PHP程序设计有所帮助。
