>How do I get the string back?
>Fx..
>?x.decryptstream(x.EncryptStream("1234567", "123452"),"123452")
>
>Gives my original string but..
>x.decryptstream(Strconv(x.EncryptStream("1234567", "123452"),13),"123452")
>
>Just gives garbage?

Try:

x.decryptstream(Strconv(Strconv(x.EncryptStream("1234567", "123452"),13),14),"123452")

See the help (or intellisense) for Strconv() where 13 does Base64 and 14 reverses it.