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: TestKeyHash ")
End
End If
Dim key() As Byte = Encoding.ASCII.GetBytes("My Secret Key".ToCharArray())
Dim hmac As HMACSHA1 = New HMACSHA1(key)
Dim fs As FileStream = File.OpenRead(CmdArgs(0))
Dim hash() As Byte = hmac.ComputeHash(fs)
Dim b64 As String = Convert.ToBase64String(hash)
fs.Close()
Console.WriteLine(b64)
End Sub
End Class