Save data from Database table to a DES Encrypted file : Encrypt Database Data « Database ADO.net « VB.Net

1. VB.Net
2. Database ADO.net
3. Encrypt Database Data

Save data from Database table to a DES Encrypted file

Imports System
Imports System.Xml
Imports System.Xml.Schema
Imports System.IO
Imports System.Data.OleDb
Imports System.Data.Common
Imports System.Data.SqlClient
Imports System.Data
Imports System.Security
Imports System.Security.Cryptography


Public Class MainClass
    
    Shared Sub Main()
        Dim fs As FileStream = New FileStream("DSencrypted.dat",FileMode.Create, FileAccess.Write)
        Dim MyDS As DataSet = New DataSet()
        Dim MyDS2 As DataSet = New DataSet()
        Dim Connection As SqlConnection = New SqlConnection("Server=(local)\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=SSPI")
        Connection.Open()
        Dim MyDA As SqlDataAdapter = New SqlDataAdapter("SELECT * FROM Employee", Connection)
        MyDA.Fill(MyDS, "Employee")

        Dim DES As DESCryptoServiceProvider = New DESCryptoServiceProvider()

        Dim DESencrypter As ICryptoTransform = DES.CreateEncryptor()
        Dim cryptStream As CryptoStream = New CryptoStream(fs, DESencrypter, CryptoStreamMode.Write)

        MyDS.WriteXml(cryptStream, XmlWriteMode.WriteSchema)
        cryptStream.Close()
    End Sub
End Class



           
       

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