<?php
header('Content-type: text/html; charset=utf-8');
//编码函数,$keya加密参数
function encodeC($value,$keya){$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, $keya, $text, MCRYPT_MODE_ECB, $iv);
return base64_encode($crypttext);
}
//解密函数,$keya解密参数
function decodeC($value,$keya){
$crypttext = base64_decode($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, $keya, $crypttext, MCRYPT_MODE_ECB, $iv);
return trim($decrypttext);
}
$a='大家你阿华哦啊啊 就开始发生那份快乐咖啡机快乐俄克拉夫家卡俄方拉客的发挥啊啊无饭力恶化克拉夫哦啊饿疯了了啊巍峨浪费啊好啊!123<br>';
echo $a;
echo encodeC($a,2);
echo "<br>";
echo decodeC(encodeC($a,2),2);
?>