Get and check MD5 : MD5 « Security « VB.Net

Home
VB.Net
1.2D
2.Application
3.Class
4.Data Structure
5.Data Types
6.Database ADO.net
7.Date Time
8.Development
9.Event
10.File Directory
11.Generics
12.GUI
13.Internationalization I18N
14.Language Basics
15.LINQ
16.Network Remote
17.Reflection
18.Security
19.Thread
20.Windows Presentation Foundation
21.Windows System
22.XML
23.XML LINQ
VB.Net » Security » MD5 




Get and check MD5
  
Public Class MainClass
    Public Shared Function GetMD5Hash(ByVal Text As StringAs Byte()
        Dim objAscii As New System.Text.ASCIIEncoding()
        Dim bytHash As Byte() = New System.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(objAscii.GetBytes(Text))
        Return bytHash
    End Function

    Public Function CheckMD5Hash(ByVal OriginalHash As Byte(), ByVal Text As StringAs Boolean
        Dim objAscii As New System.Text.ASCIIEncoding()
        Dim intCount As Integer, blnMismatch As Boolean
        Dim bytHashToCompare As Byte() = GetMD5Hash(Text)
        If OriginalHash.Length <> bytHashToCompare.Length Then
            Return False
        Else
            For intCount = To OriginalHash.Length
                If OriginalHash(intCount<> bytHashToCompare(intCountThen
                    Return False
                End If
            Next
            Return True
        End If
    End Function

    Public Sub Main()
        Dim bytHash() As Byte = GetMD5Hash("password")
        System.Console.WriteLine(CheckMD5Hash(bytHash, "password"))
        

    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.