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//les APIs necessaire
import java.io.*;
import java.util.*;
import java.security.*;
import java.security.cert.*;
import org.w3c.dom.*;
import org.xml.sax.*;
import javax.xml.crypto.*;
import javax.xml.crypto.dsig.*;
import javax.xml.crypto.dsig.dom.*;
import javax.xml.crypto.dsig.keyinfo.*;
import javax.xml.crypto.dsig.spec.*;
import javax.xml.crypto.dsig.*;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
public class Main3{
public static void main(String args[]) throws NoSuchAlgorithmException, InvalidAlgorithmParameterException, KeyStoreException, SAXException, GeneralSecurityException, TransformerException
{
Object dom;
//initiliser les parametres
XMLSignatureFactory factory = XMLSignatureFactory.getInstance("DOM");
DigestMethod sha1 = factory.newDigestMethod(DigestMethod.SHA1, null);
CanonicalizationMethod inclusive = factory.newCanonicalizationMethod(CanonicalizationMethod.INCLUSIVE, (C14NMethodParameterSpec) null);
SignatureMethod rsasha1 = factory.newSignatureMethod(SignatureMethod.RSA_SHA1, null);
Transform enveloped = factory.newTransform(Transform.ENVELOPED, (TransformParameterSpec) null);
List transforms = Collections.singletonList(enveloped);
Reference ref = factory.newReference("",sha1);
List references = Collections.singletonList(ref);
SignedInfo signer = factory.newSignedInfo(inclusive, rsasha1, references);
char[] password = "2[$0wUOS".toCharArray();
KeyStore store = KeyStore.getInstance("PKCS12");
try {
//lire le fichier de certificat
InputStream keys = new FileInputStream("personnal_nyal.p12");
try {
//charger la boutique
store.load(keys, password);
System.out.println("Certificat chargé avec succés");
} catch (NoSuchAlgorithmException ex) {
//ex.printStackTrace();
System.out.println("Pas d'algorthme ds le certificat");
} catch (CertificateException ex) {
//ex.printStackTrace();
System.out.println("Mot de passe incorrect du certificat");
} catch (IOException ex) {
// ex.printStackTrace();
System.out.println("Erreur ds la lecture du certificat");
}
} catch (FileNotFoundException ex) {
// ex.printStackTrace();
System.out.println("fichier spécifié est introuvable");
}
try {
List certs = new ArrayList();
String alias=getCertificateAliases(store);
KeyStore.PrivateKeyEntry entry = (KeyStore.PrivateKeyEntry)store.getEntry(alias, new KeyStore.PasswordProtection(password));
X509Certificate cert = (X509Certificate) entry.getCertificate();
certs.add(cert.getSubjectX500Principal().getName());
certs.add(cert);
System.out.println("Clé privée recupérée avc succès");
System.out.println("X509 opération terminée");
KeyInfoFactory keyFactory = factory.getKeyInfoFactory();
//cahrger les donnees du certificat
X509Data data = keyFactory.newX509Data(certs);
List dataList = Collections.singletonList(data);
KeyInfo key = keyFactory.newKeyInfo(dataList);
////////charger le fichier Xml
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db;
try {
db = dbf.newDocumentBuilder();
try {
//charger le fichier xml à signer
Document doc=db.parse("personnes.xml");
Node node=doc.getFirstChild();
Object nabil =db.getSchema() ;
// Node node2=doc.appendChild(doc);
//creer le context de la signature
DOMSignContext context = new DOMSignContext(entry.getPrivateKey(),node);
XMLSignature signature = factory.newXMLSignature(signer, key);
try {
signature.sign(context);
TransformerFactory tf = TransformerFactory.newInstance();
Transformer trans = tf.newTransformer();
trans.transform(new DOMSource(doc),new StreamResult(new FileOutputStream("mySignedFile.xml")));
System.out.println(""+doc.getDocumentURI()+ " bien signé");
} catch (MarshalException ex) {
System.out.println("Erreur ds la signature (Marshal)");
} catch (XMLSignatureException ex) {
System.out.println("Erreur ds la signature");
}
try {
signature.sign(context);
} catch (XMLSignatureException ex) {
ex.printStackTrace();
} catch (MarshalException ex) {
ex.printStackTrace();
}
} catch (IOException ex) {
//ex.printStackTrace();
System.out.println("Fichier XMl pas trouvée");
} catch (SAXException ex) {
//ex.printStackTrace();
System.out.println("Erreur ds le parseur XML");
}
} catch (ParserConfigurationException ex) {
ex.printStackTrace();
}
} catch (UnrecoverableEntryException ex) {
ex.printStackTrace();
} catch (KeyStoreException ex) {
ex.printStackTrace();
} catch (NoSuchAlgorithmException ex) {
ex.printStackTrace();
}
}
public static String getCertificateAliases(KeyStore akeyStore) throws GeneralSecurityException
{
Enumeration aliasesEnum = akeyStore.aliases();
List certs = new ArrayList();
while(aliasesEnum.hasMoreElements())
{
String alias = (String)aliasesEnum.nextElement();
return alias;
}
return null;//retourne null si aucun aléas n'a été trouvé
}
} |
Comment Signer une potion d'un fichier XML?
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