基于进制转换的

<?
//made by huyang @2005-01-20||11-04-06
##用n进位制到m进位制
##0~9A-Z，最多可理解为36进制范围
print'<title>加密解密法</title>';
class carry
  {
    function carry($n,$m)
      {
 $this->n=$n;
 $this->m=$m;
 $this->chn['0']=0;
 $this->chn['1']=1;
 $this->chn['2']=2;
 $this->chn['3']=3;
 $this->chn['4']=4;
        $this->chn['5']=5;
        $this->chn['6']=6;
        $this->chn['7']=7;
        $this->chn['8']=8;
        $this->chn['9']=9;
        $this->chn['A']=10;
        $this->chn['B']=11;
        $this->chn['C']=12;
        $this->chn['D']=13;
        $this->chn['E']=14;
        $this->chn['F']=15;
        $this->chn['G']=16;
        $this-&

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在google里搜索更多一个双向加密解密法(php)

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