signxml.cs

Example of an XML signature with HSM.

See Note on examples.

using System;
using System.Text;
using System.Collections.Generic;
using System.IO;
using Dinamo;
using Dinamo.Hsm;
 
namespace TesteNF
{
    class Program
    {
        static void Main(string[] args)
        {
            string address  = "127.0.0.1";
            string user     = "master";
            string pass     = "12345678";
 
            string keyId    = "lab";
            string certId   = "lab_cert";
            string chainId  = "lab_chain";
 
            // Indique aqui o xml a ser assinado
            string unsignedXML = @"<?xml version=""1.0""?>
            <NFe xmlns=""http://www.portalfiscal.inf.br/nfe"">
            <infNFe Id=""XFGR143576863578"" versao=""1.01"">
            <test>asdfasd</test>
            </infNFe>
            </NFe>";
 
            // Indique o filtro a ser usado na assinatura xml
            string filter = "http://www.portalfiscal.inf.br/nfe|infNFe|XFGR143576863578";
 
            Console.Out.WriteLine("NF Original:\n {0}",unsignedXML);
 
            DinamoClient din = new DinamoClient();
 
            // Conecta ao servidor
            din.Connect(address, user, pass, true, true);
 
            // Assina o xml
            byte[] signedXML = din.SignXML(keyId, DinamoClient.HASH_ALG.ALG_SHA2_256, certId, unsignedXML, filter);
            Console.Out.WriteLine("\nNF Assinada:\n {0}", System.Text.Encoding.Default.GetString(signedXML));
 
            // Verifica a assinatura do xml
            bool isValid = din.VerifySignedXML(chainId, signedXML, System.Text.Encoding.UTF8.GetBytes(filter));
            Console.Out.WriteLine("\nA assinatura do XML {0}\n", isValid ? "é válida" : "é INVÁLIDA");
 
            // Desconecta do servidor
            din.Disconnect();
        }
    }
}