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  • MD5

    Hallo

    Kann mir jemand den Code dafür geben

    Gruß

  • #2
    Hallo,
    das folgende Beispiel zeigt, wie der MD5-Hashwert einer Datei ermittelt wird:
    <br>
    <b>Klasse OSHash.vb</b>
    <code>
    Imports System.IO
    Imports System.Security.Cryptography
    <br>
    Public Class OSHash
    <br>
    Public Shared Function OSMD5HashFromFile(ByVal sFileToHash As String) As String
    Dim aMD5 As MD5CryptoServiceProvider
    Dim aFS As FileStream = New FileStream(sFileToHash, FileMode.Open, FileAccess.Read)
    Try
    Dim aBuffer As Byte()
    aMD5 = New MD5CryptoServiceProvider
    aBuffer = aMD5.ComputeHash(aFS)
    Return BitConverter.ToString(aBuffer)
    Finally
    aFS.Close()
    End Try
    End Function
    <br>
    End Class
    </code>
    <b>Aufruf:</b>
    <code>
    Private Sub buttonTx_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonTx.Click
    If OpenFileDialog1.ShowDialog() = DialogResult.OK Then
    statusBar1.Text = OpenFileDialog1.FileName
    labelTx.Text = OSHash.OSMD5HashFromFile(OpenFileDialog1.FileName)
    End If
    End Sub
    </code&gt

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