(VBScript) Use HTTPS Client Certificate from .cer and .key Files

Demonstrates how to load a cert + private key from .cer and .key (base64) files and use it for mutual TLS authentication (client-side certificate).

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.Http")
set http = CreateObject("Chilkat.Http")

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert")
set cert = CreateObject("Chilkat.Cert")
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey")
set privKey = CreateObject("Chilkat.PrivateKey")

' Load any type of certificate (.cer, .p7b, .pem, etc.) by calling LoadFromFile.
success = cert.LoadFromFile("qa_data/certs/sample_cert_a.cer")
If (success <> 1) Then
    outFile.WriteLine(cert.LastErrorText)
    WScript.Quit
End If

' Load the private key.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.BinData")
set bd = CreateObject("Chilkat.BinData")
success = bd.LoadFile("qa_data/certs/sample_key_a.key")
success = privKey.LoadAnyFormat(bd,"privateKeyPasswordIfNecessary")
If (success <> 1) Then
    outFile.WriteLine(privKey.LastErrorText)
    WScript.Quit
End If

' Associate the private key with the cert.
success = cert.SetPrivateKey(privKey)
If (success <> 1) Then
    outFile.WriteLine(cert.LastErrorText)
    WScript.Quit
End If

' Set the certificate to be used for mutual TLS authentication
' (i.e. sets the client-side certificate for two-way TLS authentication)
success = http.SetSslClientCert(cert)
If (success <> 1) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

' At this point, the HTTP object instance is setup with the client-side cert, and any SSL/TLS
' connection will automatically use it if the server demands a client-side cert.

outFile.Close