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Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

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How to create a PKCS12 (.p12 or .pfx) from a certificate file and private key file: Demonstrates how to duplicate this OpenSSL command:
Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

Chilkat PowerBuilder Downloads

PowerBuilder
integer li_rc
integer li_Success
oleobject loo_Pkey
oleobject loo_Cert
oleobject loo_CertChain
oleobject loo_Pfx
string ls_Password

li_Success = 0

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

loo_Pkey = create oleobject
li_rc = loo_Pkey.ConnectToNewObject("Chilkat.PrivateKey")
if li_rc < 0 then
    destroy loo_Pkey
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Load the private key from the file.
li_Success = loo_Pkey.LoadAnyFormatFile("certFile.key","")
if li_Success <> 1 then
    Write-Debug loo_Pkey.LastErrorText
    destroy loo_Pkey
    return
end if

loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

// The LoadFromFile method auto-recognizes the format...
li_Success = loo_Cert.LoadFromFile("certfile.cer")
if li_Success <> 1 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Pkey
    destroy loo_Cert
    return
end if

// We'll need a cert chain object to create the PKCS12, so get it
// from the cert.  

loo_CertChain = loo_Cert.GetCertChain()
if not loo_Cert.LastMethodSuccess then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Pkey
    destroy loo_Cert
    return
end if

// Create the PFX object, add the cert and private key, and write to a .pfx file.
loo_Pfx = create oleobject
li_rc = loo_Pfx.ConnectToNewObject("Chilkat.Pfx")

// The cert(s) are automatically added in the call to AddPrivateKey
li_Success = loo_Pfx.AddPrivateKey(loo_Pkey,loo_CertChain)
if li_Success <> 1 then
    Write-Debug loo_Pfx.LastErrorText
    destroy loo_Pkey
    destroy loo_Cert
    destroy loo_Pfx
    return
end if

// Write the .pfx to a file.
ls_Password = "myPassword"
li_Success = loo_Pfx.ToFile(ls_Password,"certfile.pfx")
if li_Success <> 1 then
    Write-Debug loo_Pfx.LastErrorText
    destroy loo_Pkey
    destroy loo_Cert
    destroy loo_Pfx
    return
end if

Write-Debug "Success."


destroy loo_Pkey
destroy loo_Cert
destroy loo_Pfx