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AES Encryption / Decryption in ASP Use 256-bit AES encryption to encrypt a string and then either Base64 encode it, Hex encode it (hexidecimalize), or encode to quoted-printable. Reverse the operation to get the original string back. <%@ LANGUAGE="VBSCRIPT" %>
<HTML>
<HEAD>
<TITLE>AES Interop Example</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<%
' Create the Chilkat object.
set aes = Server.CreateObject("AesInterop.AesInterop")
' Get a 30-day trial unlock code
aes.UnlockComponent "unlockCode"
' The password must be the same for decryption.
aes.PassPhrase = "MySecretPassword"
' Use 256-bit encryption
aes.KeyLength = 256
' Data to encrypt
myData = "Chilkat Software, Inc."
%>
<h2><font color="#330099">1. AES Encrypt a String: "Chilkat Software, Inc."</font></h2>
<h3>AES Encrypted and then Base64 Encoded:</h3>
<%
strBase64 = aes.EncodeToBase64(aes.Encrypt(myData))
Response.write strBase64
%>
<br><br>
<h3>AES Encrypted and then Hex-Encoded:</h3>
<%
strHex = aes.EncodeToHex(aes.Encrypt(myData))
Response.write strHex
%>
<br><br>
<h3>AES Encrypted and then Converted to Quoted-Printable:</h3>
<%
strQP = aes.EncodeToQP(aes.Encrypt(myData))
Response.write strQP
%>
<br><br>
<h2><font color="#330099">2. Decrypt Each String</font></h2>
<h3>Decode from Base64 and AES Decrypt:</h3>
<%
str = aes.Decrypt(aes.DecodeFromBase64(strBase64))
Response.write str
%>
<h3>Hex-Decode and then AES Decrypt:</h3>
<%
str = aes.Decrypt(aes.DecodeFromHex(strHex))
Response.write str
%>
<h3>QP-Decode and then AES Decrypt:</h3>
<%
str = aes.Decrypt(aes.DecodeFromQP(strQP))
Response.write str
%>
</BODY>
</HTML>
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