86 lines
2.7 KiB
Plaintext
Executable File
86 lines
2.7 KiB
Plaintext
Executable File
/*
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* Copyright (C) 2009 Libreria para Firma Digital development team.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*/
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package com.fp.firma.keystore;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.Provider;
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import java.security.Security;
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import java.security.cert.CertificateException;
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/**
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* Implementacion de <code>KeyStoreProvider</code> para utilizar con librerias
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* PKCS#11 del sistema operativo.
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*
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* Utiza OpenCT para acceder a un Token USB.
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*
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*
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*/
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public abstract class PKCS11KeyStoreProvider implements KeyStoreProvider {
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/**
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* Obtiene la configuración para el Provider, según el sistema operativo que se utilice.
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*
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* @return
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*/
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public abstract String getConfig();
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public KeyStore getKeystore(char[] password) throws KeyStoreException {
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try {
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InputStream configStream = new ByteArrayInputStream(getConfig().getBytes());
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Provider sunPKCS11Provider = this.createSunPKCS11Provider(configStream);
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Security.addProvider(sunPKCS11Provider);
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KeyStore keyStore = KeyStore.getInstance("PKCS11");
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keyStore.load(null, password);
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return keyStore;
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} catch (CertificateException e) {
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throw new KeyStoreException(e);
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} catch (NoSuchAlgorithmException e) {
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throw new KeyStoreException(e);
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} catch (IOException e) {
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throw new KeyStoreException(e);
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}
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}
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/**
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* Instancia la clase <code>sun.security.pkcs11.SunPKCS11</code>
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* dinamicamente, usando Java Reflection.
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*
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* @return una instancia de <code>sun.security.pkcs11.SunPKCS11</code>
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*/
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@SuppressWarnings("unchecked")
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private Provider createSunPKCS11Provider(InputStream configStream) throws KeyStoreException {
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try {
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Class sunPkcs11Class = Class.forName("sun.security.pkcs11.SunPKCS11");
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Constructor pkcs11Constr = sunPkcs11Class.getConstructor(InputStream.class);
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return (Provider) pkcs11Constr.newInstance(configStream);
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} catch (ClassNotFoundException e) {
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throw new KeyStoreException(e);
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} catch (NoSuchMethodException e) {
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throw new KeyStoreException(e);
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} catch (InvocationTargetException e) {
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throw new KeyStoreException(e);
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} catch (IllegalAccessException e) {
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throw new KeyStoreException(e);
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} catch (InstantiationException e) {
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throw new KeyStoreException(e);
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}
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}
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} |