一个双向加密解密法

(php)

基于进制转换的
<?
//madebyhuyang@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>';
classcarry
{
functioncarry($n,$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->chn['H']=17;
$this->chn['I']=18;
$this->chn['J']=19;
$this->chn['K']=20;
$this->chn['L']=21;
$this->chn['M']=22;
$this->chn['N']=23;