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(PHP Extension) Use a Smart Card Certificate + Private Key for SSL/TLS AuthenticationSee more ScMinidriver ExamplesDemonstrates how to use a certificate + private key located on a smart card for the TLS client certificate in an HTTPS request.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $scmd = new CkScMinidriver(); // Reader names (smart card readers or USB tokens) can be discovered // via List Readers or Find Smart Cards $readerName = 'SCM Microsystems Inc. SCR33x USB Smart Card Reader 0'; $success = $scmd->AcquireContext($readerName); if ($success == false) { print $scmd->lastErrorText() . "\n"; exit; } // If successful, the name of the currently inserted smart card is available: print 'Card name: ' . $scmd->cardName() . "\n"; // If desired, perform regular PIN authentication with the smartcard. // For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example $retval = $scmd->PinAuthenticate('user','000000'); if ($retval != 0) { print 'PIN Authentication failed.' . "\n"; } // You can find a cerficate using any of the following certificate parts: // "subjectDN" -- The full distinguished name of the cert. // "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something" // "subjectCN" -- The common name part (CN) of the certificate's subject. // "serial" -- The certificate serial number. // "serial:issuerCN" -- The certificate serial number + the issuer's common name, delimited with a colon char. // These are the same certificate parts that can be retrieved by listing certificates on the smart card (or USB token). // See List Certificates on Smart Card Example $certPart = 'subjectCN'; $partValue = 'BadSSL Client Certificate'; // If the certificate is found, it is loaded into the cert object. // Note: We imported this certificate from a .p12/.pfx using this Example to Import a .pfx/.p12 onto a Smart Card $cert = new CkCert(); $success = $scmd->FindCert($certPart,$partValue,$cert); if ($success == false) { print 'Failed to find the certificate.' . "\n"; $scmd->DeleteContext(); exit; } print 'Successfully loaded the cert object from the smart card / USB token.' . "\n"; // Note: When successful, the cert object is internally linked to the ScMinidriver object's authenticated session. // The cert object can now be used to sign or do other cryptographic operations that occur on the smart card / USB token. // If your application calls PinDeauthenticate or DeleteContext, the cert will no longer be able to sign on the smart card // because the smart card ScMinidriver session will no longer be authenticated or deleted. // ------------------------------------------------------------------------------------------------------------ // Send an HTTPS request to https://client.badssl.com // https://client.badssl.com (part of the badssl.com service) lets you test authentication using client SSL certificates. // The client certificate can be downloaded from https://badssl.com/download/. // This server returns 200 OK if the correct client certificate is provided, and 400 Bad Request otherwise. $http = new CkHttp(); // Provide the client certificate (linked internally to our authenticated smartcard session) $success = $http->SetSslClientCert($cert); if ($success == false) { print $http->lastErrorText() . "\n"; $scmd->DeleteContext(); exit; } $responseBody = $http->quickGetStr('https://client.badssl.com/'); if ($http->get_LastMethodSuccess() == false) { print $http->lastErrorText() . "\n"; $scmd->DeleteContext(); exit; } print 'Response status code: ' . $http->get_LastStatus() . "\n"; print 'Response body: ' . "\n"; print $responseBody . "\n"; // ------------------------------------------------------------------------------------------------------------ // Cleanup our ScMinidriver session... // When finished with operations that required authentication, you may if you wish, deauthenticate the session. $success = $scmd->PinDeauthenticate('user'); if ($success == false) { print $scmd->lastErrorText() . "\n"; } // Delete the context when finished with the card. $success = $scmd->DeleteContext(); if ($success == false) { print $scmd->lastErrorText() . "\n"; } ?> |
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