(PowerShell) PC/SC Get Card UID

See more SCard Examples

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

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$scard = New-Object Chilkat.SCard

# First establish a context to the PC/SC Resource Manager
$success = $scard.EstablishContext("user")
if ($success -eq $false) {
    $($scard.LastErrorText)
    exit
}

# Use your own smart card reader name here.
$success = $scard.Connect("ACS ACR122 0","shared","no_preference")
if ($success -eq $false) {
    $($scard.LastErrorText)
    exit
}

$("Connected reader: " + $scard.ConnectedReader)
$("Active protocol: " + $scard.ActiveProtocol)
$("ATR: " + $scard.CardAtr)
$("Reader Status: " + $scard.ReaderStatus)

#  Send the APDU command 0xFF, 0xCA, 0x00, 0x00, 0x00
$bdRecv = New-Object Chilkat.BinData
$success = $scard.TransmitHex($scard.ActiveProtocol,"FFCA000000",$bdRecv,32)
if ($success -eq $true) {

    $("Received: " + $bdRecv.GetEncoded("hex"))

    # The UID is the returned data without the final 2 bytes.
    $numBytes = $bdRecv.NumBytes
    if ($numBytes -gt 2) {
        $("UID: " + $bdRecv.GetEncodedChunk(0,$numBytes - 2,"hex"))
    }

}
else {
    $($scard.LastErrorText)
}

# Disconnect from this reader.
$success = $scard.Disconnect("leave")
if ($success -eq $false) {
    $($scard.LastErrorText)
}

# Applications should always release the context when finished.
$success = $scard.ReleaseContext()
if ($success -eq $false) {
    $($scard.LastErrorText)
}