ysob 发表于 2003-8-14 09:04:35

加密解密

<script language="JavaScript">
function test(str){
var ww='';
for(i=0;i<str.length;i++)
ww+=String.fromCharCode(str.charCodeAt(i)<127?str.charCodeAt(i)+65248:str.charCodeAt(i));
return ww
}
function test2(str){
var ww='';
for(i=0;i<str.length;i++)
ww+=String.fromCharCode((str.charCodeAt(i)>=65248)&&(str.charCodeAt(i)<65375)?str.charCodeAt(i)-65248:str.charCodeAt(i));
return ww
}
function ec(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x++)
  {
    var s=escape(txt.charAt(x));
    if(s==txt.charAt(x))
    {
      wri+=txt.charAt(x);
    }
    else
    {
      wri+=s.substring(2,s.length);
    }
  }
  return wri;
}
function unec(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x=x+4)
  {
    wri+=unescape("%u"+txt.charAt(x)+txt.charAt(x+1)+txt.charAt(x+2)+txt.charAt(x+3));
  }
  return wri;
}
function zip(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x=x+2)
  {
    var c1=txt.charCodeAt(x)+"";
    var c2=txt.charCodeAt(x+1)+"";
    if(c1.length==c2.length)
    {
    }
    else if(c1.length>c2.length)
    {
      for(var y=0;y<c1.length-c2.length;y++)
      {
        c2="0"+c2;
      }
    }
    else if(c1.length<c2.length)
    {
      for(var y=0;y<c2.length-c1.length;y++)
      {
        c1="0"+c1;
      }
    }
    wri+=String.fromCharCode(c1+""+c2);
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  return wri;
}
function unzip(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x++)
  {
    var c=txt.charCodeAt(x)+"";
    wri+=String.fromCharCode(c.substring(0,c.length/2))+String.fromCharCode(c.substring(c.length/2,c.length));
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  var w="";
  for(var x=4;x<wri.length;x=x+12)
  {
    w+=unescape("%u"+wri.charAt(x)+wri.charAt(x+1)+wri.charAt(x+2)+wri.charAt(x+3))+unescape("%u"+wri.charAt(x+4)+wri.charAt(x+5)+wri.charAt(x+6)+wri.charAt(x+7));
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  var s=w.split("%u");
  return s;
}
</script>
<center>
<form name=encform onsubmit="return false;">
<textarea name=box1 rows=5 cols=50>在此输入文本来显示简单的加密</textarea>
<p>
<input type=button value="把文本框一中的文件加密显示到文本框二中" onClick="this.form.box2.value=zip(ec(test(this.form.box1.value)));">
<p>
<textarea name=box2 rows=5 cols=50></textarea>
<p>
<input type=button value="把文本框二中的文本解密到文本框三中显示" onClick="this.form.box3.value=test2(unzip(unec(this.form.box2.value)));">
<p>
<textarea name=box3 rows=5 cols=50></textarea>
</form>
</center>

useway 发表于 2003-8-14 10:16:24

天哪，好棒呀！！

wwwhome 发表于 2003-9-7 10:12:47

这是用这加密的吗，我解不出来呀。

<script>function u( s )
{
var sRet="";
for(i=0;
i< s.length;
i++ )
{
var n= s.charCodeAt(i);
sRet += String.fromCharCode( n -3 );
}
return( sRet );
}
md = "?vfulsw#vuf@uhdobsod|f1jliA?2vfulswA"
var s= u(md);
document.write (s);
</script>
<script>function u( s )
{
var sRet="";
for(i=0;
i< s.length; i++ )
{
var n= s.charCodeAt(i);
sRet += String.fromCharCode( n -3 );
}
return( sRet );
}
md = "?vfulswAgrfxphqw1zulwh+%?remhfw#lg@ylghr4#fodvvlg@*fovlg=FIFGDD360;EH7044fi0E;7E03353DIEEFFID*#zlgwk@::6#khljkw@93A%,>grfxphqw1zulwh+%?sdudp#qdph@*frqwurov*#ydoxh@*FrqwuroSdqho/VwdwxvEdu*A%,>grfxphqw1zulwh+%?sdudp#qdph@*frqvroh*#ydoxh@*Fols4*A%,>grfxphqw1zulwh+%?sdudp#qdph@*dxwrvwduw*#ydoxh@*wuxh*A%,>grfxphqw1zulwh+%?sdudp#qdph@*vuf*#ydoxh@*sqp=22%.vbolvw.%%.vrqjblg.%*A%,>grfxphqw1zulwh+%?hpehg#ydoxh@*sqp=22%.vbolvw.%%.vrqjblg.%*#w|sh@*dxglr2{0sq0uhdodxglr0soxjlq*#frqvroh@*Fols4*#frqwurov@*FrqwuroSdqho/VwdwxvEdu*#zlgwk@::6#khljkw@93#dxwrvwduw@wuxhA?2hpehgA?2remhfwA?euA%,>?2vfulswA"
var s= u(md);
document.write (s);
</script>
<script>function u( s ) {
var sRet="";
for(i=0;
i< s.length;
i++ )
{
var n= s.charCodeAt(i);
sRet += String.fromCharCode( n -3 );
}
return( sRet );
}
md = "?vfulsw#vuf@%dg2uhdo1mv%A?2vfulswA"
var s= u(md);
document.write (s);
</script>

zhang_ace 发表于 2006-3-15 19:10:02

<script language="JavaScript">
function test(str){
var ww='';
for(i=0;i<str.length;i++)
ww+=String.fromCharCode(str.charCodeAt(i)<127?str.charCodeAt(i)+65248:str.charCodeAt(i));
return ww
}
function test2(str){
var ww='';
for(i=0;i<str.length;i++)
ww+=String.fromCharCode((str.charCodeAt(i)>=65248)&&(str.charCodeAt(i)<65375)?str.charCodeAt(i)-65248:str.charCodeAt(i));
return ww
}
function ec(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x++)
  {
    var s=escape(txt.charAt(x));
    if(s==txt.charAt(x))
    {
      wri+=txt.charAt(x);
    }
    else
    {
      wri+=s.substring(2,s.length);
    }
  }
  return wri;
}
function unec(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x=x+4)
  {
    wri+=unescape("%u"+txt.charAt(x)+txt.charAt(x+1)+txt.charAt(x+2)+txt.charAt(x+3));
  }
  return wri;
}
function zip(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x=x+2)
  {
    var c1=txt.charCodeAt(x)+"";
    var c2=txt.charCodeAt(x+1)+"";
    if(c1.length==c2.length)
    {
    }
    else if(c1.length>c2.length)
    {
      for(var y=0;y<c1.length-c2.length;y++)
      {
        c2="0"+c2;
      }
    }
    else if(c1.length<c2.length)
    {
      for(var y=0;y<c2.length-c1.length;y++)
      {
        c1="0"+c1;
      }
    }
    wri+=String.fromCharCode(c1+""+c2);
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  return wri;
}
function unzip(txt)
{
  var wri="";
  for(var x=0;x<txt.length;x++)
  {
    var c=txt.charCodeAt(x)+"";
    wri+=String.fromCharCode(c.substring(0,c.length/2))+String.fromCharCode(c.substring(c.length/2,c.length));
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  var w="";
  for(var x=4;x<wri.length;x=x+12)
  {
    w+=unescape("%u"+wri.charAt(x)+wri.charAt(x+1)+wri.charAt(x+2)+wri.charAt(x+3))+unescape("%u"+wri.charAt(x+4)+wri.charAt(x+5)+wri.charAt(x+6)+wri.charAt(x+7));
    status=Math.round(x/(txt.length-2)*100)+"%";
  }
  var s=w.split("%u");
  return s;
}
</script>
<center>
<form name=encform onsubmit="return false;">
<textarea name=box1 rows=5 cols=50>在此输入文本来显示简单的加密</textarea>
<p>
<input type=button value="把文本框一中的文件加密显示到文本框二中" onClick="this.form.box2.value=zip(ec(test(this.form.box1.value)));">
<p>
<textarea name=box2 rows=5 cols=50></textarea>
<p>
<input type=button value="把文本框二中的文本解密到文本框三中显示" onClick="this.form.box3.value=test2(unzip(unec(this.form.box2.value)));">
<p>
<textarea name=box3 rows=5 cols=50></textarea>
</form>
</center>

阳光游子 发表于 2006-4-3 10:00:34

不错呀,厉害

0811081i 发表于 2006-4-16 09:07:35

是不错啊   但是怎么应用的网页中阿~？

justinshang 发表于 2006-5-22 21:05:56

very good!!!!

gauzxj 发表于 2006-6-7 16:34:08

顶下

vfphome 发表于 2006-7-2 17:21:31

好样的，支持你不商量

liang5354 发表于 2006-12-4 18:49:05

好样的，但是怎么应用的网页中

heihei1314 发表于 2008-6-2 13:20:53

同样不知道怎么用在自己的网站上.......

maxmore 发表于 2009-1-30 11:20:31

需要加密后在线解密?

cncomv 发表于 2009-8-13 10:18:36

这段要放哪呢？
页: [1]
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