PowerBuilder

ScMinidriver - Find and Load Certificate from Smart Card or USB Token

See more ScMinidriver Examples

Demonstrates how to find and load a specific certificate located on a smart card or USB token. PowerBuilder

integer li_rc
long li_Success
oleobject loo_Scmd
string ls_ReaderName
long li_Retval
string ls_CertPart
string ls_PartValue
oleobject loo_Cert

li_Success = 0

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

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

//  Reader names (smart card readers or USB tokens) can be discovered
//  via List Readers or Find Smart Cards
ls_ReaderName = "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0"
li_Success = loo_Scmd.AcquireContext(ls_ReaderName)
if li_Success = 0 then
    Write-Debug loo_Scmd.LastErrorText
    destroy loo_Scmd
    return
end if

//  If successful, the name of the currently inserted smart card is available:
Write-Debug "Card name: " + loo_Scmd.CardName

//  If desired, perform regular PIN authentication with the smartcard.
//  For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
li_Retval = loo_Scmd.PinAuthenticate("user","000000")
if li_Retval <> 0 then
    Write-Debug "PIN Authentication failed."
end if

//  You can find a cerficate using any of the following certificate parts:
//  "subjectDN" -- The full distinguished name of the cert.
//  "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
//  "subjectCN" -- The common name part (CN) of the certificate's subject.
//  "serial" -- The certificate serial number.
//  "serial:issuerCN" -- The certificate serial number + the issuer's common name, delimited with a colon char.
//  These are the same certificate parts that can be retrieved by listing certificates on the smart card (or USB token).
//  See List Certificates on Smart Card Example
ls_CertPart = "subjectCN"
ls_PartValue = "PIVKey E42D60A759D39147A26E0AF2FB1183C5"

//  If the certificate is found, it is loaded into the cert object.
loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

li_Success = loo_Scmd.FindCert(ls_CertPart,ls_PartValue,loo_Cert)
if li_Success = 0 then
    Write-Debug "Failed to find the certificate."
else
    Write-Debug "Successfully loaded the cert object from the smart card / USB token."

    //  Note: When successful, the cert object is internally linked to the ScMinidriver object's authenticated session.
    //  The cert object can now be used to sign or do other cryptographic operations that occur on the smart card / USB token.
    //  If your application calls PinDeauthenticate or DeleteContext, the cert will no longer be able to sign on the smart card
    //  because the smart card ScMinidriver session will no longer be authenticated or deleted.
end if

//  ...
//  ...
//  ...

//  When finished with operations that required authentication, you may if you wish, deauthenticate the session.
li_Success = loo_Scmd.PinDeauthenticate("user")
if li_Success = 0 then
    Write-Debug loo_Scmd.LastErrorText
end if

//  Delete the context when finished with the card.
li_Success = loo_Scmd.DeleteContext()
if li_Success = 0 then
    Write-Debug loo_Scmd.LastErrorText
end if



destroy loo_Scmd
destroy loo_Cert