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(PHP Extension) ScMinidriver - Load Certificate from Smart Card or USB Token by IndexSee more ScMinidriver ExamplesDemonstrates how to load a certificate located on a smart card or USB token by key container index.
<?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"; } $cert = new CkCert(); // We can pass a specific key container index, or -1 to locate the 1st non-empty container containing a certificate and private key. $keyContainerIndex = -1; // keySpec can be "kex" or "sig" to indicate the key-exchange or signature position within the container. // keySpec can also be "any" to accept either position, with preference given to the "sig" position if both are occupied. $keySpec = 'any'; $success = $scmd->GetCert($keyContainerIndex,$keySpec,$cert); if ($success == false) { print 'Failed to load the certificate.' . "\n"; } else { 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. } // ... // ... // ... // 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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