Encrypt OR Decrypt a String Using ASCII Character.

Purpose : Function used for Encrypting and Decrypting the String (User Password)
Variable : Variable Text(String to be Encrypted/Decrypted) used in this Function

Code :

    Public Function fnEnCryptDeCrypt(ByVal Text As String) As String
        Dim strTempChar As String = "", i As Integer
        For i = 1 To Len(Text)
            If Asc(Mid$(Text, i, 1)) < 128 Then
                strTempChar = CType(Asc(Mid$(Text, i, 1)) + 128, String)
            ElseIf Asc(Mid$(Text, i, 1)) > 128 Then
                strTempChar = CType(Asc(Mid$(Text, i, 1)) - 128, String)
            End If
            Mid$(Text, i, 1) = Chr(CType(strTempChar, Integer))
        Next i
        Return Text
    End Function