(VBScript) DSA Public Key PEM to DER Conversion

Converts a DSA public key from PEM format to DER.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Dsa")
set dsa = CreateObject("Chilkat.Dsa")

' Load a PEM public key.

pemPublicKey = dsa.LoadText("dsa_pub.pem")
' Import the public key PEM into the DSA object.
success = dsa.FromPublicPem(pemPublicKey)
If (success <> 1) Then
    outFile.WriteLine(dsa.LastErrorText)
    WScript.Quit
End If

' Write it out as a DER file:
success = dsa.ToPublicDerFile("dsa_pub.der")
If (success <> 1) Then
    outFile.WriteLine(dsa.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("Finished!")

outFile.Close