Classic ASP

PC/SC List Smart Card Readers (and USB Tokens)

Demonstrates how to list the smart card readers and USB tokens connected to the computer.

Note: This functionality was introduced in Chilkat v9.5.0.87.

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

set scard = Server.CreateObject("Chilkat.SCard")

' First establish a context to the PC/SC Resource Manager
success = scard.EstablishContext("user")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( scard.LastErrorText) & "</pre>"
    Response.End
End If

set stReaders = Server.CreateObject("Chilkat.StringTable")
success = scard.ListReaders(stReaders)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( scard.LastErrorText) & "</pre>"
    Response.End
End If

numReaders = stReaders.Count
i = 0
Do While i < numReaders
    Response.Write "<pre>" & Server.HTMLEncode( i & ": " & stReaders.StringAt(i)) & "</pre>"
    i = i + 1
Loop

' Sample output:
' 0: Alcor Micro USB Smart Card Reader 0
' 1: FS USB Token 0
' 2: FT Java Token 0
' 3: SCM Microsystems Inc. SCR33x USB Smart Card Reader 0
' 4: Yubico YubiKey OTP+FIDO+CCID 0

' Applications should always release the context when finished.
success = scard.ReleaseContext()
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( scard.LastErrorText) & "</pre>"
End If


%>
</body>
</html>