(VBScript) Iterate Keys and Certs in PEM

Demonstrates how to access each of the private keys and certs contained within a 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)

'  Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
'  by calling UnlockBundle.  It requires a Bundle unlock code.
set chilkatGlob = CreateObject("Chilkat_9_5_0.Global")
success = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
If (success <> 1) Then
    outFile.WriteLine(chilkatGlob.LastErrorText)
    WScript.Quit
End If

'  The Chilkat PEM class was introduced in v9.5.0.49.
'  It requires the bundle to be unlocked, as shown above.
set pem = CreateObject("Chilkat_9_5_0.Pem")

'  Load the PEM from a file.
'  If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
password = "myPassword"
success = pem.LoadPemFile("../myPemFiles/myPem.pem",password)
If (success <> 1) Then
    outFile.WriteLine(pem.LastErrorText)
    WScript.Quit
End If

'  Note: If the app already has the PEM pre-loaded in a string variable, then load it
'  by calling LoadPem instead.
pemContent = "... the PEM contents ..."
success = pem.LoadPem(pemContent,password)
'  Check for success as before..

'  Iterate over the private keys.
numPrivateKeys = pem.NumPrivateKeys
i = 0

Do While i < numPrivateKeys

    ' privKey is a Chilkat_9_5_0.PrivateKey
    Set privKey = pem.GetPrivateKey(i)
    outFile.WriteLine("Private Key " & i & " is " & privKey.BitLength & " in length")

    i = i + 1
Loop

'  Iterate over the certificates.
numCerts = pem.NumCerts
i = 0

Do While i < numCerts

    ' cert is a Chilkat_9_5_0.Cert
    Set cert = pem.GetCert(i)
    outFile.WriteLine("Certificate " & i & " : " & cert.SubjectDN)

    i = i + 1
Loop

outFile.Close