Base64 Encode/Decode a String

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

Download Chilkat Crypt ActiveX

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

set crypt = CreateObject("Chilkat.Crypt2")

'  Any string argument automatically begins the 30-day trial.
success = crypt.UnlockComponent("30-day trial")
If (success <> 1) Then
    outFile.WriteLine(crypt.LastErrorText)
    WScript.Quit
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"

'  Indicate that no encryption should be performed,
'  only encoding/decoding.
crypt.CryptAlgorithm = "none"
crypt.EncodingMode = "base64"

'  Other possible EncodingMode settings are:
'  "quoted-printable", "hex", "uu", "base32", and "url"

strBase64 = crypt.EncryptStringENC(s)

outFile.WriteLine(strBase64)

decoded = crypt.DecryptStringENC(strBase64)

outFile.WriteLine(decoded)
outFile.Close