New CryptoStream : CryptoStream « System.Security.Cryptography « VB.Net by API

Home
VB.Net by API
1.Microsoft.VisualBasic
2.Microsoft.Win32
3.System
4.System.Collections
5.System.Collections.Generic
6.System.Collections.Specialized
7.System.ComponentModel
8.System.Configuration.ConfigurationSettings
9.System.Data
10.System.Data.Odbc
11.System.Data.OleDb
12.System.Data.OracleClient
13.System.Data.SqlClient
14.System.Diagnostics
15.System.Drawing
16.System.Drawing.Drawing2D
17.System.Drawing.Imaging
18.System.Drawing.Printing
19.System.Drawing.Text
20.System.Globalization
21.System.IO
22.System.IO.IsolatedStorage
23.System.IO.Ports
24.System.Media
25.System.Messaging
26.System.Net
27.System.Net.Sockets
28.System.Reflection
29.System.Runtime.InteropServices
30.System.Runtime.Remoting.Channels
31.System.Runtime.Serialization
32.System.Runtime.Serialization.Formatters.Binary
33.System.Runtime.Serialization.Formatters.Soap
34.System.Security.Cryptography
35.System.Security.Cryptography.X509Certificates
36.System.Security.Permissions
37.System.Security.Principal
38.System.ServiceProcess
39.System.Text
40.System.Text.RegularExpressions
41.System.Threading
42.System.Web
43.System.Web.Mail
44.System.Windows.Forms
45.System.Xml
46.System.Xml.Schema
47.System.Xml.Serialization
48.System.Xml.Xsl
VB.Net by API » System.Security.Cryptography » CryptoStream 
New CryptoStream
   
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()


        Dim fsRead As FileStream = New FileStream("DSencrypted.dat", _
           FileMode.Open, FileAccess.Read)
        Dim DESdecrypter As ICryptoTransform = DES.CreateDecryptor()
        Dim decryptStream As CryptoStream = New CryptoStream(fsRead, _
           DESdecrypter, CryptoStreamMode.Read)
        Dim plainStreamR As XmlTextReader = New XmlTextReader(decryptStream)
        MyDS2.ReadXml(plainStreamR, XmlReadMode.ReadSchema)

    End Sub
End Class

   
    
    
  
Related examples in the same category
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.