PureBasic

ScMinidriver - Import Private Key to Smart Card

See more ScMinidriver Examples

Demonstrates how to import a private key to the "signature" or "key exchange" location in the Nth key container on a smart card. PureBasic

IncludeFile "CkPrivateKey.pb"
IncludeFile "CkScMinidriver.pb"

Procedure ChilkatExample()

    success.i = 0

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

    ;  Chilkat recommends the following free tool for interactively examining the contents of your smart card
    ;  through the ScMinidriver interface:  MGTEK Tool for Minidriver enabled Smart Cards

    ;  Let's first look at our smart card before importing a private key.
    ;  Here's the view of our Gemalto (Thales) IDPrime MD T=0 smart card in the MGTEK tool:

    ;  

    ;  First let's load a private key into the Chilkat private key object.
    ;  (Chilkat provides the ability to load private keys from many different sources and formats.
    ;  this example loads from a PEM file.)
    privKey.i = CkPrivateKey::ckCreate()
    If privKey.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkPrivateKey::ckLoadPemFile(privKey,"qa_data/rsa/rsaPrivKey_pkcs8.pem")
    If success = 0
        Debug CkPrivateKey::ckLastErrorText(privKey)
        CkPrivateKey::ckDispose(privKey)
        ProcedureReturn
    EndIf

    scmd.i = CkScMinidriver::ckCreate()
    If scmd.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ;  First we need to acquire a context to the smart card in the reader where it is inserted.
    ;  Reader names (smart card readers or USB tokens) can be discovered
    ;  via List Readers or Find Smart Cards
    readerName.s = "Alcor Micro USB Smart Card Reader 0"
    success = CkScMinidriver::ckAcquireContext(scmd,readerName)
    If success = 0
        Debug CkScMinidriver::ckLastErrorText(scmd)
        CkPrivateKey::ckDispose(privKey)
        CkScMinidriver::ckDispose(scmd)
        ProcedureReturn
    EndIf

    ;  If successful, the name of the currently inserted smart card is available:
    Debug "Card name: " + CkScMinidriver::ckCardName(scmd)

    ;  To import a private key, we'll need to be PIN authenticated.
    ;  For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
    pinId.s = "user"
    retval.i = CkScMinidriver::ckPinAuthenticate(scmd,pinId,"0000")
    If retval <> 0
        Debug "PIN Authentication failed."
        CkScMinidriver::ckDeleteContext(scmd)
        CkPrivateKey::ckDispose(privKey)
        CkScMinidriver::ckDispose(scmd)
        ProcedureReturn
    EndIf

    ;  Let's import into the "key exchange" position in key container #7.
    success = CkScMinidriver::ckImportKey(scmd,7,"kex",privKey,"user")
    If success = 0
        Debug "PIN Authentication failed."
        CkScMinidriver::ckDeleteContext(scmd)
        CkPrivateKey::ckDispose(privKey)
        CkScMinidriver::ckDispose(scmd)
        ProcedureReturn
    EndIf

    CkScMinidriver::ckDeleteContext(scmd)

    Debug "Success."

    ;  Here's the MGTEK view of the smart card after importing the private key:
    ;  


    CkPrivateKey::ckDispose(privKey)
    CkScMinidriver::ckDispose(scmd)


    ProcedureReturn
EndProcedure