163 lines
6.5 KiB
Java
163 lines
6.5 KiB
Java
/*
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* Copyright (c) 2011 Jan Dittberner
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package de.communardo.jdi.bcsmime_demo;
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import java.io.IOException;
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import java.math.BigInteger;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.KeyStore;
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import java.security.Security;
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import java.security.cert.Certificate;
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import java.util.Date;
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import javax.mail.BodyPart;
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import javax.mail.MessagingException;
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import javax.mail.Multipart;
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import javax.mail.Session;
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import javax.mail.Message.RecipientType;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeBodyPart;
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import javax.mail.internet.MimeMessage;
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import javax.mail.internet.MimeMultipart;
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import junit.framework.TestCase;
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import org.bouncycastle.asn1.x500.X500Name;
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import org.bouncycastle.asn1.x509.BasicConstraints;
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import org.bouncycastle.asn1.x509.ExtendedKeyUsage;
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import org.bouncycastle.asn1.x509.GeneralName;
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import org.bouncycastle.asn1.x509.GeneralNames;
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import org.bouncycastle.asn1.x509.KeyPurposeId;
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import org.bouncycastle.asn1.x509.KeyUsage;
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import org.bouncycastle.asn1.x509.X509Extension;
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import org.bouncycastle.cert.X509CertificateHolder;
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import org.bouncycastle.cert.X509v3CertificateBuilder;
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import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
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import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import org.bouncycastle.operator.ContentSigner;
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import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
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/**
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* Test Encryption and Decryption.
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*
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* @author Jan Dittberner <<a href=
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* "mailto:jan.dittberner@t-systems.com>jan.dittberner@t-systems.com</a>
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* & g t ;
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*/
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public class EncryptDecryptTest extends TestCase {
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private KeyStore keystore;
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/**
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* {@inheritDoc}
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*
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* @see junit.framework.TestCase#setUp()
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*/
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@Override
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public void setUp() throws Exception {
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if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
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Security.addProvider(new BouncyCastleProvider());
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}
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if (this.keystore == null) {
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this.keystore = KeyStore.getInstance("JKS");
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keystore.load(null, null);
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KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
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kpg.initialize(2048);
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KeyPair keypair = kpg.generateKeyPair();
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X500Name issuer = new X500Name(
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"CN=Test Recipient,emailAddress=testrecpt@example.org");
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X500Name subject = issuer;
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X509v3CertificateBuilder certbuilder = new JcaX509v3CertificateBuilder(
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issuer, BigInteger.valueOf(System.currentTimeMillis()),
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new Date(System.currentTimeMillis() - 50000), new Date(
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System.currentTimeMillis() + 50000), subject,
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keypair.getPublic());
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certbuilder.addExtension(X509Extension.basicConstraints, true,
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new BasicConstraints(true));
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certbuilder.addExtension(X509Extension.keyUsage, true,
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new KeyUsage(KeyUsage.digitalSignature
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| KeyUsage.keyEncipherment));
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certbuilder.addExtension(X509Extension.extendedKeyUsage, true,
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new ExtendedKeyUsage(KeyPurposeId.id_kp_emailProtection));
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certbuilder.addExtension(X509Extension.subjectAlternativeName,
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false, new GeneralNames(new GeneralName(
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GeneralName.rfc822Name, "testrecpt@example.org")));
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ContentSigner signer = new JcaContentSignerBuilder("SHA256WithRSA")
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.build(keypair.getPrivate());
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X509CertificateHolder certholder = certbuilder.build(signer);
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keystore.setKeyEntry("test", keypair.getPrivate(), "changeit"
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.toCharArray(),
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new Certificate[] { (new JcaX509CertificateConverter())
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.getCertificate(certholder) });
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}
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}
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/**
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* Test of {@link SMIMEEncrypt} and {@link SMIMEDecrypt}.
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*/
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public void testEncryptDecryptMail() throws Exception {
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MimeMessage message = getNewMultipartMessage();
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assertNotNull(message);
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SMIMEEncrypt encrypt = new SMIMEEncrypt(keystore);
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MimeMessage encrypted = encrypt.encryptMessage(message);
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assertNotNull(encrypted);
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encrypted.writeTo(System.err);
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SMIMEDecrypt decrypt = new SMIMEDecrypt(keystore);
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MimeMessage decrypted = decrypt.decryptMessage(encrypted);
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assertNotNull(decrypted);
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decrypted.writeTo(System.err);
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}
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/**
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* Creates a new MimeMessage with one Bodypart.
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*
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* @return MimeMessage instance
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* @throws MessagingException
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* on error creating the message
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*/
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private MimeMessage getNewMultipartMessage() throws MessagingException,
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IOException {
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MimeMessage message = new MimeMessage(Session.getDefaultInstance(System
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.getProperties()));
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message.setFrom(new InternetAddress("testsender@example.org",
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"Test Sender"));
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message.addRecipient(RecipientType.TO, new InternetAddress(
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"testrecpt@example.org", "Test Recipient"));
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message.setSubject("Test subject");
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Multipart multipart = new MimeMultipart();
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BodyPart textpart = new MimeBodyPart();
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textpart.setText("Das ist ein Text");
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multipart.addBodyPart(textpart);
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message.setContent(multipart);
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return message;
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}
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}
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