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(PHP Extension) Create XAdES using Smart Card or USB TokenDemonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token. Note: This example requires Chilkat v9.5.0.75 or greater. Also, at the time of this writing this example is restricted to the Windows operating system.
<?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"); // ---------------------------------------------------------------------- // IMPORTANT: This generated example requires Chilkat v9.5.0.75 or later. // Contact support@chilkatsoft.com for a pre-release. // ---------------------------------------------------------------------- // Load the XML to be signed. $xmlToSign = new CkXml(); $success = $xmlToSign->LoadXmlFile('qa_data/fattura_electronica/docToSign.xml'); if ($success != true) { print $xmlToSign->lastErrorText() . "\n"; exit; } $gen = new CkXmlDSigGen(); $gen->put_SigLocation('p:FatturaElettronica'); $gen->put_SigId('xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504'); $gen->put_SigNamespacePrefix('ds'); $gen->put_SigNamespaceUri('http://www.w3.org/2000/09/xmldsig#'); $gen->put_SigValueId('xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue'); $gen->put_SignedInfoCanonAlg('C14N'); $gen->put_SignedInfoDigestMethod('sha256'); // Create an Object to be added to the Signature. // Note: Chilkat will automatically populate the strings indicated by "TO BE GENERATED BY CHILKAT" with actual/correct values // when the XML is signed. $object1 = new CkXml(); $object1->put_Tag('xades:QualifyingProperties'); $object1->AddAttribute('xmlns:xades','http://uri.etsi.org/01903/v1.3.2#'); $object1->AddAttribute('xmlns:xades141','http://uri.etsi.org/01903/v1.4.1#'); $object1->AddAttribute('Target','#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504'); $object1->UpdateAttrAt('xades:SignedProperties',true,'Id','xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops'); $object1->UpdateChildContent('xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime','TO BE GENERATED BY CHILKAT'); $object1->UpdateAttrAt('xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod',true,'Algorithm','http://www.w3.org/2001/04/xmlenc#sha256'); $object1->UpdateChildContent('xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue','TO BE GENERATED BY CHILKAT'); $object1->UpdateChildContent('xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName','TO BE GENERATED BY CHILKAT'); $object1->UpdateChildContent('xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber','TO BE GENERATED BY CHILKAT'); $gen->AddObject('',$object1->getXml(),'',''); // -------- Reference 1 -------- $gen->put_KeyInfoId('xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo'); $gen->AddSameDocRef('xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo','sha256','','',''); // -------- Reference 2 -------- $gen->AddSameDocRef('','sha256','','',''); $gen->SetRefIdAttr('','xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0'); // -------- Reference 3 -------- $gen->AddObjectRef('xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops','sha256','','','http://uri.etsi.org/01903#SignedProperties'); // ---------------------------------------------------------------- // Load a certificate that has been pre-installed on the Windows system // This includes certificates on smartcards and USB tokens $cert = new CkCert(); // You may provide the PIN here.. $cert->put_SmartCardPin('000000'); // Load the certificate on the smartcard currently in the reader (or on the USB token). // Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider). // See Load Certificate on Smartcard for information about explicitly selecting a particular CSP. $success = $cert->LoadFromSmartcard(''); if ($success != true) { print $cert->lastErrorText() . "\n"; exit; } $gen->SetX509Cert($cert,true); $gen->put_KeyInfoType('X509Data'); $gen->put_X509Type('Certificate'); // Load XML to be signed... $sbXml = new CkStringBuilder(); $xmlToSign->GetXmlSb($sbXml); $gen->put_Behaviors('IndentedSignature,ForceAddEnvelopedSignatureTransform'); // Sign the XML... $success = $gen->CreateXmlDSigSb($sbXml); if ($success != true) { print $gen->lastErrorText() . "\n"; exit; } // Save the signed XMl to a file. $success = $sbXml->WriteFile('qa_output/signedXml.xml','utf-8',false); print $sbXml->getAsString() . "\n"; // ---------------------------------------- // Verify the signature we just produced... $verifier = new CkXmlDSig(); $success = $verifier->LoadSignatureSb($sbXml); if ($success != true) { print $verifier->lastErrorText() . "\n"; exit; } $verified = $verifier->VerifySignature(true); if ($verified != true) { print $verifier->lastErrorText() . "\n"; exit; } print 'This signature was successfully verified.' . "\n"; ?> |
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