einvoicesign 1.0.0

UBL 2.1 XML-DSig enveloped signer, built and validated for Croatian eInvoices (eRačun, Fiscalization 2.0). Exclusive C14N, RSA-SHA256, PKCS#12 certificates, no OpenSSL. CLI and library, byte-compatibl [...]

example/einvoicesign_example.dart

import 'dart:io';

import 'package:einvoicesign/einvoicesign.dart';

/// Signs a UBL 2.1 eInvoice with an enveloped XML-DSig signature.
///
/// The invoice must contain an empty
/// `ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/`
/// `sig:UBLDocumentSignatures/sac:SignatureInformation` element — the
/// signature is appended there.
void main(List<String> args) {
  final signedXml = signInvoiceXml(
    File('invoice.xml').readAsStringSync(),
    File('cert.p12').readAsBytesSync(),
    'password',
  );
  File('invoice_signed.xml').writeAsStringSync(signedXml);
}