LIST PROGRAM ENCRIPTION ERROR
<HTML>
<HEAD>
<TITLE> Password Protection: ASCII Encryption</TITLE>
<SCRIPT LANGUAGE=”JavaScript”>
<!– Begin
function Encrypt(theText) {
output = new String;
Temp = new Array();
Temp2 = new Array();
TextSize = theText.length;
for (i = 0; i < TextSize; i++) {
rnd = Math.round(Math.random() * 122) + 68;
Temp[i] = theText.charCodeAt(i) + rnd;
Temp2[i] = rnd;
}
for (i = 0; i < TextSize; i++) {
output += String.fromCharCode(Temp[i], Temp2[i]);
}
return output;
}
function unEncrypt(theText) {
output = new String;
Temp = new Array();
Temp2 = new Array();
TextSize = theText.length;
for (i = 0; i < TextSize; i++) {
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Sintaks error |
Temp[i] = theText.charCodeAt(i);
Temp2[i] = theText.charCodeAt(i + 1);
}
for (i = 0; i < TextSize; i = i+5) {
output += String.fromCharCode(Temp[i] – Temp2[i]);
}
return output;
}
// End –>
</script>
</HEAD>
<BODY BGCOLOR=#ffff00 vlink=#0000ff>
<BR>
<center>
<table width=600 cellpadding=0 cellspacing=10>
<tr>
<td width=468 align=center>
</td>
<td width=120 align=center>
</td>
</tr>
</table>
<BR>
<BR>
<basefont size=3>
<FONT SIZE=”+2″ FACE=”Helvetica,Arial”>
<font color=”blue” size=”14″><b>Password Protection </b></font></A>
<br>
<FONT COLOR=”red”><b>ASCII Encryption</b></font></font>
<BR>
<BR>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE=”lucida san,arial,webdings” Font color=#2f22f1>
<br>
<br>
<!– Description –><!–content_start–>
Program ini adalah metode sederhana encripsi menggunakan nilai acak untuk tiap karakter, Dalam metode ini anda dapat mengenkripsi kata/kalimat, dan dalam waktu yang sama dapat melihat hasilnya kode encripsi akan berbeda
<hr>
<br>
<br>
</td></tr
</table>
<!– Demonstration –>
<center>
<form name=encform onsubmit=”return false;”>
<textarea name=box1 rows=5 cols=50>Silahkan masukan kata / kalimat</textarea>
<p>
<b>(Click”Encrypt” dan lihatlah karakter hasilnya!)</b>
<p>
<input type=button value=”Encrypt ” onClick=”this.form.box2.value=Encrypt(this.form.box1.value);”>
<p>
<textarea name=box2 rows=5 cols=50></textarea>
<p>
<b>(Setelah Click “Decrypt” maka akan terlihat kata/kalimat sesuai aslinya)</b>
<p>
<input type=button value=”Decrypt ” onClick=”this.form.box3.value=unEncrypt(this.form.box2.value);”>
<p>
<textarea name=box3 rows=5 cols=50></textarea>
</form>
</center>
<P>
<P>
</form>
</FONT>
</CENTER>
</center>
</body></html>
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