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PKCS11 Find All Certificates on Smart Card or USB Token

See more PKCS11 Examples

Sample code showing how to examine all the certificates on a smart card or USB token.

Note: This example requires Chilkat v9.5.0.88 or later.

PowerShell

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

$success = $false

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

# Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

$pkcs11 = New-Object Chilkat.Pkcs11

# Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
# or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
$pkcs11.SharedLibPath = "aetpkss1.dll"

$success = $pkcs11.Initialize()
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    exit
}

# Pass -1 for the slotID to open a session on the first non-empty slot.
$slotID = -1

# Open a session.
$readWrite = $true
$success = $pkcs11.OpenSession($slotID,$readWrite)
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    exit
}

# Make it an authenticated session by calling Login.
# 
# If we don't authenticate, then we won't be able to see the private keys, and thus
# we won't know which certificates have an associated private key stored on the smart card.

# The smart card PIN is passed to the Login method.
# userType 1 indicates a "Normal User".
$userType = 1
$pin = "0000"
$success = $pkcs11.Login($userType,$pin)
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    $success = $pkcs11.CloseSession()
    exit
}

# Call FindAllCerts to find all certificates on the smart card or USB token.
$success = $pkcs11.FindAllCerts()
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    $success = $pkcs11.CloseSession()
    exit
}

# The NumCerts property is set by FindAllCerts.
$numCerts = $pkcs11.NumCerts
$("Number of certs: " + $numCerts)

$cert = New-Object Chilkat.Cert
$i = 0
while ($i -lt $numCerts) {
    $pkcs11.GetCert($i,$cert)
    $privateKeyNote = ""
    if ($cert.HasPrivateKey() -eq $true) {
        $privateKeyNote = "(has private key)"
    }

    $([string]$i + ": " + $privateKeyNote + " " + $cert.SubjectDN)
    $([string]$i + ": issuer: " + $cert.IssuerDN)
    $("----")
    $i = $i + 1
}

# Revert to an unauthenticated session by calling Logout.
$success = $pkcs11.Logout()
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    $success = $pkcs11.CloseSession()
    exit
}

# When finished, close the session.
# It is important to close the session (memory leaks will occur if the session is not properly closed).
$success = $pkcs11.CloseSession()
if ($success -eq $false) {
    $($pkcs11.LastErrorText)
    exit
}

$("Success.")