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(PHP Extension) Sign a PDF using IDPrime MD T=1 SmartCardSee more PDF Signatures ExamplesThis example demonstrates how to a sign a PDF using a IDPrime MD T=1 smart card, which requires more specific PIN roles.
<?php include("chilkat.php"); // Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $pdf = new CkPdf(); // Load a PDF to be signed. // The "hello.pdf" is available at https://chilkatsoft.com/hello.pdf $success = $pdf->LoadFile('qa_data/pdf/hello.pdf'); if ($success == false) { print $pdf->lastErrorText() . "\n"; exit; } // Options for signing are specified in JSON. $json = new CkJsonObject(); // In most cases, the signingCertificateV2 and signingTime attributes are required. $json->UpdateInt('signingCertificateV2',1); $json->UpdateInt('signingTime',1); // Put the signature on page 1, top left $json->UpdateInt('page',1); $json->UpdateString('appearance.y','top'); $json->UpdateString('appearance.x','left'); // Use a font scale of 10.0 $json->UpdateString('appearance.fontScale','10.0'); // In this example, the appearance of the digital signature will contain three lines: // 1) The signing certificate's common name // 2) The current date/time // 3) Some arbitrary text. // The keyword "cert_cn" is replaced with the Certificate's Subject Common Name. // The keyword "current_dt" is replaced with the current date/time. // Any number of appearance text lines can be added. $json->UpdateString('appearance.text[0]','Digitally signed by: cert_cn'); $json->UpdateString('appearance.text[1]','current_dt'); $json->UpdateString('appearance.text[2]','The crazy brown fox jumps over the lazy dog.'); $cert = new CkCert(); // Provide the smart card PIN's for both the "user" and the signing PIN, which is role "3". // These PINs may be the same. // If the PIN is not explicitly provided here, the Windows OS should // display a dialog for the PIN. $cert->put_SmartCardPin('{ \'user\':\'0000\', \'3\':\'12345678\' }'); // Use a certificate on an IDPrime MD T=1 smart card. $success = $cert->LoadFromSmartcard(''); if ($success == false) { print $cert->lastErrorText() . "\n"; exit; } // Tell the pdf object to use the certificate for signing. $success = $pdf->SetSigningCert($cert); if ($success == false) { print $pdf->lastErrorText() . "\n"; exit; } $success = $pdf->SignPdf($json,'qa_output/hello_signed_hsm.pdf'); if ($success == false) { print $pdf->lastErrorText() . "\n"; exit; } print 'The PDF has been successfully cryptographically signed using an HSM.' . "\n"; ?> |
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