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(PHP ActiveX) Alliance Access LAU Sign Message (XML Signature using HMAC-SHA-256)Demonstrates how to sign XML according to the requirements for Alliance Access LAU (Local Authentication) using HMAC-SHA-256.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // We begin with this message: // <?xml version="1.0" encoding="utf-8"?> // <Saa:DataPDU xmlns:Saa="urn:swift:saa:xsd:saa.2.0" xmlns:Sw="urn:swift:snl:ns.Sw" // xmlns:SwGbl="urn:swift:snl:ns.SwGbl" xmlns:SwInt="urn:swift:snl:ns:SwInt" xmlns:SwSec="url:swift:snl:ns.SwSec"> // <Saa:Revision>2.0.7</Saa:Revision> // <Saa:Header> // <Saa:Message> // <test>blah blah</test> // </Saa:Message> // </Saa:Header> // <Saa:Body>...</Saa:Body> // <Saa:LAU> // </Saa:LAU> // </Saa:DataPDU> // And we want so sign to create this as the result: // The signed XML we'll create will not be indented and pretty-printed like this. // Instead, we'll use the "CompactSignedXml" behavior to produce compact single-line XML. // <?xml version="1.0" encoding="utf-8"?> // <Saa:DataPDU xmlns:Saa="urn:swift:saa:xsd:saa.2.0" xmlns:Sw="urn:swift:snl:ns.Sw" // xmlns:SwGbl="urn:swift:snl:ns.SwGbl" xmlns:SwInt="urn:swift:snl:ns:SwInt" xmlns:SwSec="url:swift:snl:ns.SwSec"> // <Saa:Revision>2.0.7</Saa:Revision> // <Saa:Header> // <Saa:Message> // <test>blah blah</test> // </Saa:Message> // </Saa:Header> // <Saa:Body>...</Saa:Body> // <Saa:LAU> // <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> // <ds:SignedInfo> // <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#hmac-sha256"/> // <ds:Reference URI=""> // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> // <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // </ds:Transforms> // <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/> // <ds:DigestValue>Y7oScHnYOUQvni/TSzZbDec+HR+mWIFH149GXpwj1Ws=</ds:DigestValue> // </ds:Reference> // </ds:SignedInfo> // <ds:SignatureValue>6ynF/FcwbPsHrtlj3h2agJigdnvpbO6hOzKSRGzqkw0=</ds:SignatureValue> // </ds:Signature> // </Saa:LAU> // </Saa:DataPDU> $success = 1; // Create the XML to be signed... // (The XML does not need to be created this way. It can be loaded from a file or a string.) // Also, use this online tool to generate code from sample XML: // Generate Code to Create XML // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Xml') $xmlToSign = new COM("Chilkat.Xml"); $xmlToSign->Tag = 'Saa:DataPDU'; $xmlToSign->AddAttribute('xmlns:Saa','urn:swift:saa:xsd:saa.2.0'); $xmlToSign->AddAttribute('xmlns:Sw','urn:swift:snl:ns.Sw'); $xmlToSign->AddAttribute('xmlns:SwGbl','urn:swift:snl:ns.SwGbl'); $xmlToSign->AddAttribute('xmlns:SwInt','urn:swift:snl:ns:SwInt'); $xmlToSign->AddAttribute('xmlns:SwSec','url:swift:snl:ns.SwSec'); $xmlToSign->UpdateChildContent('Saa:Revision','2.0.7'); $xmlToSign->UpdateChildContent('Saa:Header|Saa:Message|test','blah blah'); $xmlToSign->UpdateChildContent('Saa:Body','...'); $xmlToSign->UpdateChildContent('Saa:LAU',''); // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.XmlDSigGen') $gen = new COM("Chilkat.XmlDSigGen"); $gen->SigLocation = 'Saa:DataPDU|Saa:LAU'; $gen->SigLocationMod = 0; $gen->SigNamespacePrefix = 'ds'; $gen->SigNamespaceUri = 'http://www.w3.org/2000/09/xmldsig#'; $gen->SignedInfoCanonAlg = 'EXCL_C14N'; $gen->SignedInfoDigestMethod = 'sha256'; // You may alternatively choose "IndentedSignature" instead of "CompactSignedXml" $gen->Behaviors = 'CompactSignedXml'; $gen->AddSameDocRef('','sha256','EXCL_C14N','',''); // Specify the HMAC key. // For example, if the HMAC key is to be the us-ascii bytes of the string "secret", // the HMAC key can be set in any of the following ways (and also more ways not shown here..) $gen->SetHmacKey('secret','ascii'); // or $gen->SetHmacKey('c2VjcmV0','base64'); // or $gen->SetHmacKey('736563726574','hex'); // Sign the XML.. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder') $sbXml = new COM("Chilkat.StringBuilder"); $xmlToSign->GetXmlSb($sbXml); $success = $gen->CreateXmlDSigSb($sbXml); if ($success != 1) { print $gen->LastErrorText . "\n"; exit; } // Save the signed XML to a file. $success = $sbXml->WriteFile('qa_output/signedXml.xml','utf-8',0); // Show the signed XML. print $sbXml->getAsString() . "\n"; ?> |
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