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(PHP ActiveX) ScMinidriver - Get Public Keys from Smart Card Key Container

See more ScMinidriver Examples

Demonstrates how to query a key container on a smart card (or USB token) to get the public part of the private keys that are present. A key container can hold two separate private keys -- one in the "signature" position, and the other in the "key exchange" position.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// 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..
// Here's the view of our Gemalto (Thales) IDPrime MD T=0 smart card in the MGTEK tool:



// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.ScMinidriver')
$scmd = new COM("Chilkat.ScMinidriver");

// 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 = 'Alcor Micro USB Smart Card Reader 0';
$success = $scmd->AcquireContext($readerName);
if ($success == 0) {
    print $scmd->LastErrorText . "\n";
    exit;
}

// If successful, the name of the currently inserted smart card is available:
print 'Card name: ' . $scmd->CardName . "\n";

// We likely shouldn't need to authenticate with the smart card (use a PIN) to simply get a public key,
// so we can skip the PIN authenticatin step..

// Let's get the key(s) present in Container #7.
// In our case (shown in the image above), there is a private key in the "key exchange" position, but no key in the "signature" position.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.PublicKey')
$pubkey_sig = new COM("Chilkat.PublicKey");
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.PublicKey')
$pubkey_kex = new COM("Chilkat.PublicKey");

$success = $scmd->GetContainerKeys(7,$pubkey_sig,$pubkey_kex);
if ($success == 0) {
    print $scmd->LastErrorText . "\n";
    exit;
}

if ($pubkey_sig->Empty == 1) {
    print 'No signature key is present.' . "\n";
}
else {
    print 'Signature key:' . "\n";
    print $pubkey_sig->getPem(1) . "\n";
}

if ($pubkey_kex->Empty == 1) {
    print 'No Key Exchange key is present.' . "\n";
}
else {
    print 'Key Exchange key:' . "\n";
    print $pubkey_kex->getPem(1) . "\n";
}

$scmd->DeleteContext();

print 'Success.' . "\n";

// Here's the output of the above sample code:

// Card name: IDPrime MD T=0
// No signature key is present.
// Key Exchange key:
// -----BEGIN RSA PUBLIC KEY-----
// MIIBCgKCAQEAsXeRhM55P13FbpNcXAMR3olbw2Wa6keZIHu5YTZYUBTlYWId+pNi
// wUz3zFIEo+0IfYR0H27ybIycQO+1IIzJofUFNMAL3tZps2OKPlsjuCPls6kXpXhv
// /gvhux8LrCtp4PcKWqJ6QVOZKChc7WAx40qFWzHi57ueqRTv3x0kESqGg/VjsqyT
// Evb55psJO2RsfhLT7+YVh3hImRM3RDaJdkTkPuOxeFyT6N7VXD09329sLuS3QkUb
// E9zEKDnz9X3d8dEQdJhSI9ba5fxl8R7fu8pB67ElfzFml96X1jLFtzy1pzOT5Fc4
// ROcaqlYckVzdBq9sxezm6MYmDBjNAcibRwIDAQAB
// -----END RSA PUBLIC KEY-----

?>

 

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