include/chajian/jmChajian.php

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<?php 
/**
	加密解密插件
*/
class jmChajian extends Chajian{
	
	private $keystr = 'abcdefghijklmnopqrstuvwxyz';
	private $jmsstr = '';
	public  $rocktokenarr = array();

	protected function initChajian()
	{
		$this->initJm();
	}
	
	public function initJm()
	{
		$this->jmsstr = getconfig('randkey');
		$this->setRandkey($this->jmsstr);
		$this->getkeyshow();
	}
	
	public function setRandkey($str)
	{
		$this->jmsstr = $str;
		if(strlen($this->jmsstr)!=26)$this->jmsstr = $this->keystr;
		$this->getrocktoken();
	}
	
	public function getRandkey()
	{
		$str = $this->keystr;
		$s 	 = '';$len = strlen($str);
		$j 	 = $len-1;
		for($i=0; $i<$len; $i++){
			$r = rand(0, $j);
			$zm= substr($str, $r, 1);
			$s.= $zm;
			$str = str_replace($zm,'',$str);
			$j--;
		}
		return $s;
	}
	
	public function getint($str)
	{
		$len = strlen($str);
		$oi  = 0;
		for($i=0; $i<$len; $i++){
			$l = substr($str,$i,1);
			$j = ord($l)-90;
			$oi+=$j;
		}
		if($oi<0)$oi=0-$oi;
		return $oi;
	}
	
	private function getrandstr($oi, $str='')
	{
		if($str=='')$str=$this->keystr;