com.silverpeas.util.cryptage.SilverCryptKeysAsymetric.java Source code

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Here is the source code for com.silverpeas.util.cryptage.SilverCryptKeysAsymetric.java

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/**
 * Copyright (C) 2000 - 2012 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.silverpeas.util.cryptage;

import com.stratelia.silverpeas.silvertrace.SilverTrace;
import org.bouncycastle.jce.provider.BouncyCastleProvider;

import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Security;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

public class SilverCryptKeysAsymetric {

    // classe trousseau de cle
    private X509Certificate cert = null;
    private PrivateKey privatekey = null;
    private PublicKey publickey = null;

    public SilverCryptKeysAsymetric(FileInputStream filep12, String pwd) {
        // CHARGEMENT DU FICHIER PKCS#12
        KeyStore ks = null;
        char[] password = null;
        Security.addProvider(new BouncyCastleProvider());
        try {
            ks = KeyStore.getInstance("PKCS12");
            // Password pour le fichier filep12
            password = pwd.toCharArray();
            if (filep12 != null) {
                ks.load(filep12, password);
            } else {
                System.out.println("Erreur: fichier .p12" + "introuvable");
            }

        } catch (Exception e) {
            System.out.println(
                    "Erreur: fichier .p12" + " n'est pas un fichier pkcs#12 valide ou passphrase incorrect");
            return;
        }

        // RECUPERATION DU COUPLE CLE PRIVEE/PUBLIQUE ET DU CERTIFICAT PUBLIQUE
        try {
            Enumeration<String> en = ks.aliases();
            String alias = "";
            List<String> vectaliases = new ArrayList<String>();

            while (en.hasMoreElements()) {
                vectaliases.add(en.nextElement());
            }
            String[] aliases = (vectaliases.toArray(new String[vectaliases.size()]));
            for (String aliase : aliases) {
                if (ks.isKeyEntry(aliase)) {
                    alias = aliase;
                    break;
                }
            }
            privatekey = (PrivateKey) ks.getKey(alias, password);
            cert = (X509Certificate) ks.getCertificate(alias);
            publickey = ks.getCertificate(alias).getPublicKey();
        } catch (Exception e) {
            SilverTrace.error("util", "SilverCryptKeysAsymetric.Error", "root.MSG_GEN_PARAM_VALUE", "In init", e);
            return;
        }
    }

    public X509Certificate getCert() {
        return cert;
    }

    public PrivateKey getPrivatekey() {
        return privatekey;
    }

    public PublicKey getPublickey() {
        return publickey;
    }

}