Base64 Encode/Decode a String

ASP example to base-64 encode and decode a string.

Download Chilkat Crypt ActiveX

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set crypt = Server.CreateObject("Chilkat.Crypt2")

'  Any string argument automatically begins the 30-day trial.
success = crypt.UnlockComponent("30-day trial")
If (success <> 1) Then
    Response.Write Server.HtmlEncode("Crypt component unlock failed") & "<br>"

End If

s = "A friend called me up the other day and talked about investing in a dot-com that sells lobsters. Internet lobsters. Where will this end? --Donald Trump"

crypt.CryptAlgorithm = "none"
crypt.EncodingMode = "base64"

'  Other possible EncodingMode settings are:
'  "quoted-printable", "hex", and "url"

qp = crypt.EncryptStringENC(s)

Response.Write Server.HtmlEncode(qp) & "<br>"

decoded = crypt.DecryptStringENC(qp)

Response.Write Server.HtmlEncode(decoded) & "<br>"


%>
</body>
</html>

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