(VBScript) Duplicate openssl pkey -in private.pem -pubout -out pubkey.pem

How to output the public part of a private key: Demonstrates how to duplicate this OpenSSL command:

openssl pkey -in private.pem -pubout -out pubkey.pem

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

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

set pkey = CreateObject("Chilkat_9_5_0.PrivateKey")

' Load the private key from an PEM file:
success = pkey.LoadPemFile("private.pem")
If (success <> 1) Then
    outFile.WriteLine(pkey.LastErrorText)
    WScript.Quit
End If

' pubKey is a Chilkat_9_5_0.PublicKey
Set pubKey = pkey.GetPublicKey()
If (pkey.LastMethodSuccess = 0) Then
    outFile.WriteLine(pkey.LastErrorText)
    WScript.Quit
End If

success = pubKey.SavePemFile(0,"pubKey.pem")
If (success <> 1) Then
    outFile.WriteLine(pubKey.LastErrorText)

    WScript.Quit
End If

outFile.WriteLine("Success.")


outFile.Close