VB.Net by API/System.Security.Cryptography/SHA1CryptoServiceProvider

SHA1CryptoServiceProvider.ComputeHash

<source lang="vbnet"> Imports System Imports System.IO Imports System.Security.Cryptography Imports System.Text Imports System.Runtime.Serialization.Formatters public class MainClass

  Shared Public Sub Main(ByVal CmdArgs() As String)
       If (CmdArgs.Length <> 1) Then
           Console.WriteLine("usage: TestSHA1 <filename>")
           End
       End If
       Dim fs As FileStream = File.OpenRead(CmdArgs(0))
       Dim sha As SHA1 = New SHA1CryptoServiceProvider
       Dim hash() As Byte = sha.ruputeHash(fs)
       Dim b64 As String = Convert.ToBase64String(hash)
       fs.Close()
       Console.WriteLine(b64)
   End Sub

End Class

 </source>