PowerBuilder

ScMinidriver - Load Certificate from Smart Card or USB Token by Index

See more ScMinidriver Examples

Demonstrates how to load a certificate located on a smart card or USB token by key container index. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Scmd
string ls_ReaderName
integer li_Retval
oleobject loo_Cert
integer li_KeyContainerIndex
string ls_KeySpec

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

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

// We can pass a specific key container index, or -1 to locate the 1st non-empty container containing a certificate and private key.
li_KeyContainerIndex = -1
// keySpec can be "kex" or "sig" to indicate the key-exchange or signature position within the container.
// keySpec can also be "any" to accept either position, with preference given to the "sig" position if both are occupied.
ls_KeySpec = "any"
li_Success = loo_Scmd.GetCert(li_KeyContainerIndex,ls_KeySpec,loo_Cert)
if li_Success = 0 then
    Write-Debug "Failed to load 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