易经加密算法之六十四卦加密算法

下面的易经六十四卦的加密算法核心部分：

<?php
header( 'Content-Type:text/html;charset=utf-8');


//asc转为二进制
function asc2bin($temp) {
    $len = strlen($temp);
    $data="";
    for($i=0; $i<$len; $i++) {
        $data .= sprintf("%08b", ord(substr($temp, $i, 1)));
    }
    return $data;
}
//die(asc2bin("人"));
//二进制转asc
function bin2asc($temp) {
    $len = strlen($temp);
    $data="";
    for($i=0; $i<($len/8); $i++) {
        $data .= chr(intval(substr($temp, $i * 8, 8), 2));
    }
    return $data;
}

$zhbstr=file_get_contents("64g.txt");
$zhbarr=explode("\r\n",$zhbstr);
$zhb=array();
foreach($zhbarr as $key){
    list($a,$b)=explode(":",$key);
    $zhb[$a]=$b;
}
//die(var_export(array_flip($zhb)));



$szb=array("2"=>"二","3"=>"三","4"=>"四","5"=>"五","6"=>"六","7"=>"七","8"=>"八","9"=>"九","10"=>"十");

function z_64g($str){
    global $zhb,$szb;
    $bin=asc2bin($str);
    //$result=strtr($bin,array_flip($zhb));
    $rs="";
    $rns=0;
    for($i=0;$i<strlen($bin);$i=$i+6){
        $nowstr=substr($bin,$i,6);
        //die($nowstr);
        $nns=strtr($nowstr,array_flip($zhb));
        if(strlen($nns)==4){
            $rs.="，".$nns."。";
            $rns=0;
        }else{
            if($rns==3){
                $rs.=$nns."，";
                $rns=0;
            }else{
                $rs.=$nns;
                $rns++;
            }
        }




    }
    $rs=strtr($rs,array("。，"=>"，","，，"=>"，","。"=>"。\n"));
    return $rs;
}
function de_64g($str){
    global $zhb,$szb;
    $dszb=array_flip($szb);
    $rs=strtr($str,array("，"=>"","。"=>"","\n"=>""));


    $rs=bin2asc(strtr($rs,$zhb));
    return $rs;
}

$encode = z_64g('我的银行卡密码是：o09375e3');

echo $encode.PHP_EOL,'======================================';
echo de_64g($encode);