(PowerBuilder) PKCS11 Find All Certificates on Smart Card or USB Token

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Sample code showing how to examine all the certificates on a smart card or USB token.

Note: This example requires Chilkat v9.5.0.88 or later.

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integer li_rc
oleobject loo_Pkcs11
integer li_Success
integer li_SlotID
integer li_ReadWrite
integer li_UserType
string ls_Pin
integer li_NumCerts
string ls_PrivateKeyNote
oleobject loo_Cert
integer i

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

// Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

loo_Pkcs11 = create oleobject
// Use "Chilkat_9_5_0.Pkcs11" for versions of Chilkat < 10.0.0
li_rc = loo_Pkcs11.ConnectToNewObject("Chilkat.Pkcs11")
if li_rc < 0 then
    destroy loo_Pkcs11
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
// or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
loo_Pkcs11.SharedLibPath = "aetpkss1.dll"

li_Success = loo_Pkcs11.Initialize()
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    destroy loo_Pkcs11
    return
end if

// Pass -1 for the slotID to open a session on the first non-empty slot.
li_SlotID = -1

// Open a session.
li_ReadWrite = 1
li_Success = loo_Pkcs11.OpenSession(li_SlotID,li_ReadWrite)
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    destroy loo_Pkcs11
    return
end if

// Make it an authenticated session by calling Login.
// 
// If we don't authenticate, then we won't be able to see the private keys, and thus
// we won't know which certificates have an associated private key stored on the smart card.

// The smart card PIN is passed to the Login method.
// userType 1 indicates a "Normal User".
li_UserType = 1
ls_Pin = "0000"
li_Success = loo_Pkcs11.Login(li_UserType,ls_Pin)
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    li_Success = loo_Pkcs11.CloseSession()
    destroy loo_Pkcs11
    return
end if

// Call FindAllCerts to find all certificates on the smart card or USB token.
li_Success = loo_Pkcs11.FindAllCerts()
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    li_Success = loo_Pkcs11.CloseSession()
    destroy loo_Pkcs11
    return
end if

// The NumCerts property is set by FindAllCerts.
li_NumCerts = loo_Pkcs11.NumCerts
Write-Debug "Number of certs: " + string(li_NumCerts)

loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

i = 0
do while i < li_NumCerts
    loo_Pkcs11.GetCert(i,loo_Cert)
    ls_PrivateKeyNote = ""
    if loo_Cert.HasPrivateKey() = 1 then
        ls_PrivateKeyNote = "(has private key)"
    end if

    Write-Debug string(i) + ": " + ls_PrivateKeyNote + " " + loo_Cert.SubjectDN
    Write-Debug string(i) + ": issuer: " + loo_Cert.IssuerDN
    Write-Debug "----"
    i = i + 1
loop

// Revert to an unauthenticated session by calling Logout.
li_Success = loo_Pkcs11.Logout()
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    li_Success = loo_Pkcs11.CloseSession()
    destroy loo_Pkcs11
    destroy loo_Cert
    return
end if

// When finished, close the session.
// It is important to close the session (memory leaks will occur if the session is not properly closed).
li_Success = loo_Pkcs11.CloseSession()
if li_Success = 0 then
    Write-Debug loo_Pkcs11.LastErrorText
    destroy loo_Pkcs11
    destroy loo_Cert
    return
end if

Write-Debug "Success."


destroy loo_Pkcs11
destroy loo_Cert