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php实现可逆加密的方法

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Release: 2016-06-06 19:48:31
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这篇文章主要介绍了php实现可逆加密的方法,借鉴了discuz的加密原理实现通过密钥进行可逆加密的功能,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了php实现可逆加密的方法。分享给大家供大家参考。具体如下:

这里介绍的可以逆转加密类,没有密钥很难破解。

PHP代码如下:

key); } return $txt=urlencode(base64_encode(urlencode($txt))); } function decode($txt){ $txt=urldecode(base64_decode($txt)); for($i=0;$ikey); } return $txt; } } ?>

discuz加密解密:

0)&&substr($result,10,16)==substr(md5(substr($result,26).$keyb),0,16)){ returnsubstr($result,26); }else{ return''; } }else{ return $keyc.str_replace('=','',base64_encode($result)); } } ?>

希望本文所述对大家的php程序设计有所帮助。

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