PowerBuilder

PC/SC Get Card UID

See more SCard Examples

Sends the APDU command to get a card's UID. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Scard
oleobject loo_BdRecv
integer li_NumBytes

li_Success = 0

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

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

// First establish a context to the PC/SC Resource Manager
li_Success = loo_Scard.EstablishContext("user")
if li_Success = 0 then
    Write-Debug loo_Scard.LastErrorText
    destroy loo_Scard
    return
end if

// Use your own smart card reader name here.
li_Success = loo_Scard.Connect("ACS ACR122 0","shared","no_preference")
if li_Success = 0 then
    Write-Debug loo_Scard.LastErrorText
    destroy loo_Scard
    return
end if

Write-Debug "Connected reader: " + loo_Scard.ConnectedReader
Write-Debug "Active protocol: " + loo_Scard.ActiveProtocol
Write-Debug "ATR: " + loo_Scard.CardAtr
Write-Debug "Reader Status: " + loo_Scard.ReaderStatus

//  Send the APDU command 0xFF, 0xCA, 0x00, 0x00, 0x00
loo_BdRecv = create oleobject
li_rc = loo_BdRecv.ConnectToNewObject("Chilkat.BinData")

li_Success = loo_Scard.TransmitHex(loo_Scard.ActiveProtocol,"FFCA000000",loo_BdRecv,32)
if li_Success = 1 then

    Write-Debug "Received: " + loo_BdRecv.GetEncoded("hex")

    // The UID is the returned data without the final 2 bytes.
    li_NumBytes = loo_BdRecv.NumBytes
    if li_NumBytes > 2 then
        Write-Debug "UID: " + loo_BdRecv.GetEncodedChunk(0,li_NumBytes - 2,"hex")
    end if

else
    Write-Debug loo_Scard.LastErrorText
end if

// Disconnect from this reader.
li_Success = loo_Scard.Disconnect("leave")
if li_Success = 0 then
    Write-Debug loo_Scard.LastErrorText
end if

// Applications should always release the context when finished.
li_Success = loo_Scard.ReleaseContext()
if li_Success = 0 then
    Write-Debug loo_Scard.LastErrorText
end if



destroy loo_Scard
destroy loo_BdRecv