Los módulos de seguridad de hardware (HSM) y las cookies son dispositivos informáticos dedicados, endurecidos y resistentes a las manipulaciones diseñados para administrar, procesar y almacenar claves digitales de forma segura. Estos dispositivos están conectados directamente a un equipo o a un servidor de red.
Adobe Experience Manager Forms puede utilizar las credenciales almacenadas en un HSM o identificadas para eSign o aplicar firmas digitales del lado del servidor a un documento. Para utilizar un HSM o un dispositivo de activación con AEM Forms:
En Microsoft Windows, solo se admiten clientes LunaSA o EToken de 32 bits.
De forma predeterminada, el servicio DocAssurance no está habilitado. Siga estos pasos para habilitar el servicio:
Detenga la instancia Autor del entorno de AEM Forms.
Abra el [AEM_root]\crx-quickstart\conf\sling.properties para editar.
Si ha utilizado la variable [AEM_root]\crx-quickstart\bin\start.bat para iniciar la instancia de AEM y, a continuación, abra el [AEM_root]\crx-quickstart\sling.properties para editar.
Agregue o reemplace las siguientes propiedades al archivo sling.properties :
sling.bootdelegation.sun=sun.*,com.sun.*,sun.misc.*
sling.bootdelegation.ibm=com.ibm.xml.*,com.ibm.*
sling.bootdelegation.class.com.rsa.jsafe.provider.JsafeJCE=com.rsa.*
sling.bootdelegation.class.org.bouncycastle.jce.provider.BouncyCastleProvider=org.bouncycastle.*
Guarde y cierre el archivo sling.properties .
Reinicie la instancia de AEM.
Siga estos pasos para configurar los certificados:
Inicie sesión en la instancia de AEM Author como administrador.
Haga clic en Adobe Experience Manager en la barra de navegación global. Vaya a Herramientas > Seguridad > Usuarios.
Haga clic en el name de la cuenta de usuario. La variable Editar configuración de usuario se abre.
En la instancia de AEM Author, los certificados residen en un KeyStore. Si no ha creado un almacén de claves anteriormente, haga clic en Crear KeyStore y establezca una nueva contraseña para KeyStore. Si el servidor ya contiene un KeyStore, omita este paso.
En el Editar configuración de usuario página, haga clic en Administrar KeyStore.
En el cuadro de diálogo Administración de KeyStore , expanda el Añadir clave privada del archivo del almacén de claves y proporcione un alias. El alias se utiliza para realizar la operación Extensiones de Reader.
Para cargar el archivo de certificado, haga clic en Seleccionar archivo de almacén de claves y cargue un .pfx
archivo.
Agregue la variable Contraseña del almacén de claves, Contraseña de clave privada y Alias de clave privada que está asociado con el certificado a los campos respectivos. Haga clic en Submit.
Para determinar la Alias de clave privada de un certificado, puede utilizar el comando keytool de Java: keytool -list -v -keystore [keystore-file] -storetype pkcs12
En el Contraseña del almacén de claves y Contraseña de clave privada especifique la contraseña proporcionada con el archivo de certificado.
Para AEM Forms en OSGi, para comprobar el PDF firmado, utilice el certificado raíz instalado en el Almacén de confianza.
Al pasar al entorno de producción, sustituya las credenciales de evaluación por credenciales de producción. Asegúrese de eliminar las credenciales antiguas de Extensiones de Reader antes de actualizar una credencial de caducada o de evaluaciones.
El alias contiene todos los parámetros que requiere un HSM o un token. Siga las instrucciones que se indican a continuación para crear un alias para cada HSM o insertar credenciales que utiliza eSign o Digital Signatures :
Abra AEM consola. La dirección URL predeterminada de AEM consola es https://<host>:<port>/system/console/configMgr
Abra el Servicio de configuración de credenciales de HSM y especifique valores para los campos siguientes:
Nota: Mientras configura Etoken, especifique un valor numérico para el campo HSM Slot Id. Se requiere un valor numérico para que las operaciones de Firmas funcionen.
Haga clic en Guardar. El módulo de seguridad de hardware está configurado para AEM Forms. Ahora, puede utilizar el módulo de seguridad de hardware con AEM Forms para firmar o certificar documentos.
El siguiente código de ejemplo utiliza un HSM o un token para firmar o certificar un documento.
/*************************************************************************
*
* ADOBE CONFIDENTIAL
* ___________________
*
* Copyright 2014 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated and its
* suppliers and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
**************************************************************************/
package com.adobe.docassurance.samples;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.jcr.Binary;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.jcr.api.SlingRepository;
import org.apache.sling.jcr.resource.JcrResourceResolverFactory;
import com.adobe.aemfd.docmanager.Document;
import com.adobe.fd.docassurance.client.api.DocAssuranceException;
import com.adobe.fd.docassurance.client.api.DocAssuranceService;
import com.adobe.fd.docassurance.client.api.DocAssuranceServiceOperationTypes;
import com.adobe.fd.docassurance.client.api.SignatureOptions;
import com.adobe.fd.signatures.client.types.exceptions.InvalidArgumentException;
import com.adobe.fd.signatures.pdf.inputs.CredentialContext;
import com.adobe.fd.signatures.pdf.inputs.DSSPreferences;
import com.adobe.fd.signatures.pdf.inputs.DSSPreferencesImpl;
import com.adobe.fd.signatures.pdf.inputs.PDFSignatureAppearenceOptions;
import com.adobe.fd.signatures.pdf.inputs.UnlockOptions;
import com.adobe.fd.signatures.pdf.inputs.PDFSignatureAppearenceOptions.PDFSignatureAppearanceType;
import com.adobe.fd.signatures.pdf.inputs.PDFSignatureAppearenceOptions.TextDirection;
import com.adobe.fd.signatures.pki.client.types.common.HashAlgorithm;
import com.adobe.fd.signatures.pki.client.types.common.RevocationCheckStyle;
import com.adobe.fd.signatures.pki.client.types.prefs.CRLPreferences;
import com.adobe.fd.signatures.pki.client.types.prefs.CRLPreferencesImpl;
import com.adobe.fd.signatures.pki.client.types.prefs.GeneralPreferencesImpl;
import com.adobe.fd.signatures.pki.client.types.prefs.PKIPreferences;
import com.adobe.fd.signatures.pki.client.types.prefs.PKIPreferencesImpl;
import com.adobe.fd.signatures.pki.client.types.prefs.PathValidationPreferences;
import com.adobe.fd.signatures.pki.client.types.prefs.PathValidationPreferencesImpl;
/**
* Digital signatures can be applied to PDF documents to provide a level of security. Digital signatures, like handwritten signatures, provide a means by which signers
* identify themselves and make statements about a document. The technology used to digitally sign documents helps to ensure that both the signer and recipients are clear
* about what was signed and confident that the document was not altered since it was signed.
*
* PDF documents are signed by means of public-key technology. A signer has two keys: a public key and a private key. The private key is stored in a user's credential that
* must be available at the time of signing. The public key is stored in the user's certificate that must be available to recipients to validate the signature. Information
* about revoked certificates is found in certificate revocation lists (CRLs) and Online Certificate Status Protocol (OCSP) responses distributed by Certificate Authorities (CAs).
* The time of signing can be obtained from a trusted source known as a Timestamping Authority.
*
* The following Java code example digitally signs a PDF document that is based on a PDF file.
* The alias that is specified for the security credential is secure, and revocation checking is performed.
* Because no CRL or OCSP server information is specified, the server information is obtained from the certificate used to
* digitally sign the PDF document
*
* PreRequisites - Digital certificate for signing the document has to be uploaded on Granite Key Store
*/
@Component
@Service(value=Sign.class)
public class Sign{
@Reference
private DocAssuranceService docAssuranceService;
@Reference
private SlingRepository slingRepository;
@Reference
private JcrResourceResolverFactory jcrResourceResolverFactory ;
/**
*
* @param inputFile - path to the pdf document stored at JCR node
* @param outputFile - path to the pdf document where the output needs to be stored
* @throws IOException
* @throws RepositoryException
* @throws InvalidArgumentException
* @throws DocAssuranceException
*/
public void signExtend(String inputFile, String outputFile, String alias) throws IOException, RepositoryException, InvalidArgumentException, DocAssuranceException{
Document inDoc = new Document(inputFile);
Document outDoc = null;
Session adminSession = null;
ResourceResolver resourceResolver = null;
try {
/** resourceResolver with admin privileges to be passed to SignatureServiceAPI and Reader Extensions
the resource resolver for signature options has to be corresponding to the user who has the signing certificate in his granite key store
the resource resolver for signature options has to be corresponding to the user who has the credential for reader extension in his granite key store
here we are using the same resource resolver
*/
adminSession = slingRepository.loginAdministrative(null);
resourceResolver = jcrResourceResolverFactory.getResourceResolver(adminSession);
//retrieve specifications for each of the services, you may pass null if you don't want to use that service
//as we don't want encryption in this case, passing null for Encryption Options
//for encrypted document pass Unlock Options - see the method getUnlockOptions() below
outDoc = docAssuranceService.secureDocument(inDoc, null, getSignatureOptions(alias,resourceResolver),null,null);
}
catch(Exception e){
e.printStackTrace();
}
finally{
/**
* always close the PDFDocument object after your processing is done.
*/
if(inDoc != null){
inDoc.close();
}
if(adminSession != null && adminSession.isLive()){
if(resourceResolver != null){
resourceResolver.close();
}
adminSession.logout();
}
}
//flush the output document contents to JCR Node
flush(outDoc, outputFile);
}
/**
*
* @param rr resource resolver corresponding to the user with the access to signing credential for the
* given alias "allcertificatesanypolicytest11ee_new" in this case
* @return SignatureOptions
*/
private SignatureOptions getSignatureOptions(String alias, ResourceResolver rr){
//create an instance of SignatureOptions
SignatureOptions signatureOptions = SignatureOptions.getInstance();
//set the operation you want to perform - SIGN/CERTIFY
signatureOptions.setOperationType(DocAssuranceServiceOperationTypes.SIGN);
//field to sign
String fieldName = "Signature1" ;
//Hash Algo to be used to compute digest the PDF document
HashAlgorithm algo = HashAlgorithm.SHA384;
//Reason for signing/certifying
String reason = "Test Reason";
//location of the signer
String location = "Test Location";
//contact info of the signer
String contactInfo = "Test Contact";
//Create a PDFSignatureAppearanceOptions object
//and show date information
PDFSignatureAppearenceOptions appOptions = new PDFSignatureAppearenceOptions(
PDFSignatureAppearanceType.NAME, null, 1.0d, null, true, true,
true, true, true, true, true, TextDirection.AUTO);
signatureOptions.setSignatureFieldName(fieldName);
signatureOptions.setAlgo(algo);
signatureOptions.setContactInfo(contactInfo);
signatureOptions.setLocation(location);
signatureOptions.setSigAppearence(appOptions);
signatureOptions.setReason(reason);
signatureOptions.setDssPref(getDSSPreferences(rr));
signatureOptions.setCredential(new CredentialContext(alias, rr, true));
return signatureOptions;
}
private DSSPreferences getDSSPreferences(ResourceResolver rr){
//sets the DSS Preferences
DSSPreferencesImpl prefs = DSSPreferencesImpl.getInstance();
prefs.setPKIPreferences(getPKIPreferences());
GeneralPreferencesImpl gp = (GeneralPreferencesImpl) prefs.getPKIPreferences().getGeneralPreferences();
gp.setDisableCache(true);
return prefs;
}
private PKIPreferences getPKIPreferences(){
//sets the PKI Preferences
PKIPreferences pkiPref = new PKIPreferencesImpl();
pkiPref.setCRLPreferences(getCRLPreferences());
pkiPref.setPathPreferences(getPathValidationPreferences());
return pkiPref;
}
private CRLPreferences getCRLPreferences(){
//specifies the CRL Preferences
CRLPreferencesImpl crlPrefs = new CRLPreferencesImpl();
crlPrefs.setRevocationCheck(RevocationCheckStyle.CheckIfAvailable);
crlPrefs.setGoOnline(true);
return crlPrefs;
}
private PathValidationPreferences getPathValidationPreferences(){
//sets the path validation preferences
PathValidationPreferencesImpl pathPref = new PathValidationPreferencesImpl();
pathPref.setDoValidation(false);
return pathPref;
}
/**
* sets Unlock Options for encrypted PDF
*/
private UnlockOptions getUnlockOptions(){
UnlockOptions unlockOptions = new UnlockOptions();
//sets the Open Password for password encrypted PDF
unlockOptions.setPassword("OpenPassword");
//for Certificate Encrypted Document, set the alias of the credential uploaded in the user's key store
//and corresponding resource resolver
return unlockOptions;
}
/**
* This method copies the data from {@code Document}, to the specified file at the given resourcePath.
* @param doc
* @param resourcePath
* @throws IOException
*/
private void flush(Document doc, String resourcePath) throws IOException {
//extracts the byte data from Document
byte[] output = doc.getInlineData();
Binary opBin;
Session adminSession = null;
try {
adminSession = slingRepository.loginAdministrative(null);
//get access to the specific node
//here we are assuming that node exists
Node node = adminSession.getNode(resourcePath);
//convert byte[] to Binary
opBin = adminSession.getValueFactory().createBinary((InputStream)new ByteArrayInputStream(output));
//set the Binary data value to node's jcr:data
node.getNode("jcr:content").getProperty("jcr:data").setValue(opBin);
} catch (RepositoryException e) {
}
finally{
if(adminSession != null && adminSession.isLive()){
try {
adminSession.save();
adminSession.logout();
} catch (RepositoryException e) {
}
}
}
}
}
Si ha actualizado desde AEM 6.0 Form o AEM 6.1 Forms y estaba utilizando el servicio DocAssurance en la versión anterior, entonces:
/**
*
* @param credentialAlias alias of the PKI Credential stored in CQ Key Store or
* the alias of the HSM Credential configured using HSM Credentials Configuration Service.
* @param resourceResolver corresponding to the user with the access to the key store and trust store.
* @param isHSMCredential if the alias is corresponding to HSM Credential.
*/
public CredentialContext(String credentialAlias, ResourceResolver resourceResolver, boolean isHSMCredential);
Para obtener información detallada sobre las API y el código de muestra del servicio DocAssurance, consulte Uso de AEM Document Services mediante programación.