ESYAE-imza Kütüphaneleri

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<h1>E-Invoice</h1> <div class="level1"> <p> E-Invoice is an XML document having a special format. The signing of E-Invoices is very similar to enveloped signatures explained in <a href="/esya-api/doku.php?id=en:esya:xades:kod-imza-yapilari" class="wikilink1" title="en:esya:xades:kod-imza-yapilari">İmza Yapıları</a>. The signature must be placed in the particular field defined in E-Invoice standard. </p> <p> <em><</em>sxh java> <em> get the element that signature will be added Element exts = (Element)faturaDoc.getDocumentElement().getElementsByTagName("ext:UBLExtensions").item(0); Element ext = (Element)exts.getElementsByTagName("ext:UBLExtension").item(0); Element extContent = (Element)exts.getElementsByTagName("ext:ExtensionContent").item(0); </em> generate signature Context context = createContext(); context.setDocument(faturaDoc); XMLSignature signature = new XMLSignature(context, false); <em> attach signature to envelope structure extContent.appendChild(signature.getElement()); </em><<em>/sxh> Then, the method <code>transform</code> ,in which the whole document is included and only the signature is omitted, is added. </em><<em>sxh java> </em> use enveloped signature transform Transforms transforms = new Transforms(context); transforms.addTransform(new Transform(context, TransformType.ENVELOPED.getUrl())); </p> <p> <em> add whole document(=_fckg_QUOT<u>fckg_QUOT_) with envelope transform, with SHA256 <em> and don't include it into signature(false) signature.addDocument("", "text/xml", transforms, DigestMethod.SHA_256, false); </em><<em>/sxh> Finally, the signer role ,verification public key and signing time attributes are added as stated in E-Invoice standard. </em><<em>sxh java> </em> add signer role information SignerRole rol = new SignerRole(context, new ClaimedRole[]{new ClaimedRole(context, "Supplier")}); signature.getQualifyingProperties().getSignedSignatureProperties().setSignerRole(rol); <em> e-fatura standard wants public key info in the signature PublicKey pk = KeyUtil.decodePublicKey(new ECertificate(cert.getEncoded()).getSubjectPublicKeyInfo()); signature.getKeyInfo().add(new KeyValue(context, pk)); </em> add signing time signature.getQualifyingProperties().getSignedSignatureProperties().setSigningTime(getTime()); <em><</em>/sxh> The code is in <code>tr.gov.tubitak.uekae.esya.api.xades.example.efatura.EFatura</code>. </p> </div>