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XmlDSig - Greenter Wiki

Install:

Install using Composer from packagist.

composer require greenter/xmldsig

Ejemplo

use Greenter\XMLSecLibs\Sunat\SunatXmlSecAdapter;

require 'vendor/autoload.php';

$xmlPath = 'path-dir/20600995805-01-F001-1.xml';
$certPath = 'path-dir/SFSCert.pem'; // Convertir pfx to pem 

$xmlTool = new SunatXmlSecAdapter();
$xmlTool->setCertificateFromFile($certPath);

$xmlTool->signFromFile($xmlPath);

header('Content-Type: text/xml');
echo $xmlDocument->saveXML();

Resultado:

Before:

<ext:UBLExtensions>
    <ext:UBLExtension>
        <ext:ExtensionContent></ext:ExtensionContent>
    </ext:UBLExtension>
</ext:UBLExtensions>

After:

<ext:UBLExtensions>
    <ext:UBLExtension>
        <ext:ExtensionContent>
            <ds:Signature Id="SignIMM">
                <ds:SignedInfo>
                    <ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
                    <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
                    <ds:Reference URI="">
                    <ds:Transforms>
                        <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
                    </ds:Transforms>
                    <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
                    <ds:DigestValue>IwJuNQGQaHmmm3iv2jj8JDv70Ow=</ds:DigestValue>
                    </ds:Reference>
                </ds:SignedInfo>
                <ds:SignatureValue>
                nLaghokzMNrmrfPnbIg9b........wzZ2CgLTVjWQUAQ4wDAYDVQQIEwVNYWluZTE1UiLFwZXXXPUlf2o=
                </ds:SignatureValue>
                <ds:KeyInfo>
                    <ds:X509Data>
                        <ds:X509Certificate>
                        MIIFhzCCA3OgAwI......MIIEVDCCAzygAwIBAgIJAPTrkMJbCOr1MA0GCSqGSIb3DQEBBQUAMHkxCzAJBgNVBAYTAlVTVQQIEwVNYWluZTEgMOiRJ00nE=
                        </ds:X509Certificate>
                    </ds:X509Data>
                </ds:KeyInfo>
            </ds:Signature>
        </ext:ExtensionContent>
    </ext:UBLExtension>
</ext:UBLExtensions>