[AJUDA] - Gerar assinaturas digitais

Eu estou tentando gerar as assinaturas digitais, para finalizar um pagamento de compras. A autorização de compra, utilizando uma assinatura digital. Só não estou conseguindo gerar as assinaturas. O código está com esse erro abaixo:

Grave:   java.io.IOException: DER input, Integer tag error

at sun.security.util.DerInputStream.getInteger(DerInputStream.java:168)

at sun.security.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:1916)

at java.security.KeyStore.load(KeyStore.java:1445)

at servidor.servlets.SrvSincronia.autorizarPedido(SrvSincronia.java:291)

at servidor.servlets.SrvSincronia.processRequest(SrvSincronia.java:142)

at servidor.servlets.SrvSincronia.doPost(SrvSincronia.java:184)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)

at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)

at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)

at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)

at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)

at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)

at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)

at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)

at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)

at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)

at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)

at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)

at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)

at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)

at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)

at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)

at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)

at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)

at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)

at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)

at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)

at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)

at java.lang.Thread.run(Thread.java:745)

static final String KEYSTORE_FILE = "E:/eu/root.cer";
static final String KEYSTORE_INSTANCE = "PKCS12";
static final String KEYSTORE_PWD = "test";
static final String KEYSTORE_ALIAS = "Key1";

      Security.addProvider(new BouncyCastleProvider());

        
        String text = "pedido="+carrinho.getId()+ ",cliente=" +carrinho.getUsuario().getId();
         for (int i = 0; i < carrinho.getCarrinhoItens().size(); i++) {
             text+=",item="+carrinho.getCarrinhoItens().get(i).getId();
         }
        
        KeyStore ks = KeyStore.getInstance(KEYSTORE_INSTANCE);
        ks.load(new FileInputStream(KEYSTORE_FILE), KEYSTORE_PWD.toCharArray());
        
        ks.setCertificateEntry(KEYSTORE_ALIAS, x509certificate);
        Key key = ks.getKey(KEYSTORE_ALIAS, KEYSTORE_PWD.toCharArray());

//

//            //Sign

PrivateKey privKey = (PrivateKey) key;

Signature signature = Signature.getInstance(“SHA1withRSA”, “BC”);

signature.initSign(privKey);

signature.update(text.getBytes());

//

//            //Build CMS

X509Certificate cert = (X509Certificate) ks.getCertificate(KEYSTORE_ALIAS);

List certList = new ArrayList();

CMSTypedData msg = new CMSProcessableByteArray(signature.sign());

certList.add(x509certificate);

Store certs = new JcaCertStore(certList);

CMSSignedDataGenerator gen = new CMSSignedDataGenerator();

ContentSigner sha1Signer = new JcaContentSignerBuilder(“SHA1withRSA”).setProvider(“BC”).build(privKey);

gen.addSignerInfoGenerator(new JcaSignerInfoGeneratorBuilder(new JcaDigestCalculatorProviderBuilder().setProvider(“BC”).build()).build(sha1Signer, x509certificate));

gen.addCertificates(certs);

CMSTypedData cmsdata = null;

CMSSignedData sigData = gen.generate(cmsdata);

//

BASE64Encoder encoder = new BASE64Encoder();

//

String signedContent = encoder.encode((byte[]) sigData.getSignedContent().getContent());

System.out.println("Signed content: " + signedContent + “\n”);

ArrayList<String> sqls = new ArrayList<String>();
        String sql = "UPDATE pedido SET assinatura = '" + signedContent + "'";
        sqls.add(sql);

       
        for (int i = 0; i < carrinho.getCarrinhoItens().size(); i++) {

            sql = " UPDATE itempedido SET status = 'AUTORIZADO' WHERE id = " + carrinho.getId();

            sqls.add(sql);
            System.out.println("SQL: " + sql);
        }

        
        try {
            for (int i = 0; i < sqls.size(); i++) {
                stmt.executeUpdate(sqls.get(i));
            }

        } catch (SQLException ex) {
            Logger.getLogger(Carrinho.class.getName()).log(Level.SEVERE, null, ex);
            System.out.println("Erro ao listar os pedidos no banco. TESTE");
        }

    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("Erro ao conectar com o banco.");
    } finally {
        try {
            stmt.close();
            conn.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

Realmente está difícil, não consigo gerar as assinaturas. O problema aparece nessa linha aqui:

ks.load(new FileInputStream(KEYSTORE_FILE), KEYSTORE_PWD.toCharArray());

1 Resposta

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