package org.bouncycastle.cms.test; import java.security.KeyPair; import java.security.NoSuchAlgorithmException; import java.security.NoSuchProviderException; import java.security.cert.X509Certificate; import java.util.Arrays; import java.util.Collection; import java.util.Iterator; import javax.crypto.SecretKey; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.bouncycastle.asn1.ASN1ObjectIdentifier; import org.bouncycastle.asn1.DERObjectIdentifier; import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers; import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; import org.bouncycastle.asn1.x509.AlgorithmIdentifier; import org.bouncycastle.cms.CMSAlgorithm; import org.bouncycastle.cms.CMSAuthenticatedData; import org.bouncycastle.cms.CMSAuthenticatedDataGenerator; import org.bouncycastle.cms.CMSException; import org.bouncycastle.cms.CMSProcessableByteArray; import org.bouncycastle.cms.PasswordRecipient; import org.bouncycastle.cms.PasswordRecipientInformation; import org.bouncycastle.cms.RecipientInformation; import org.bouncycastle.cms.RecipientInformationStore; import org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder; import org.bouncycastle.cms.jcajce.JceKEKAuthenticatedRecipient; import org.bouncycastle.cms.jcajce.JceKEKRecipientInfoGenerator; import org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient; import org.bouncycastle.cms.jcajce.JceKeyAgreeRecipientInfoGenerator; import org.bouncycastle.cms.jcajce.JceKeyTransAuthenticatedRecipient; import org.bouncycastle.cms.jcajce.JceKeyTransRecipientInfoGenerator; import org.bouncycastle.cms.jcajce.JcePasswordAuthenticatedRecipient; import org.bouncycastle.cms.jcajce.JcePasswordRecipientInfoGenerator; import org.bouncycastle.jce.provider.BouncyCastleProvider; import org.bouncycastle.operator.DigestCalculatorProvider; import org.bouncycastle.operator.OperatorCreationException; import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder; import org.bouncycastle.util.encoders.Hex; public class NewAuthenticatedDataTest extends TestCase { private static final String BC = BouncyCastleProvider.PROVIDER_NAME; private static String _signDN; private static KeyPair _signKP; private static X509Certificate _signCert; private static String _origDN; private static KeyPair _origKP; private static X509Certificate _origCert; private static String _reciDN; private static KeyPair _reciKP; private static X509Certificate _reciCert; private static KeyPair _origEcKP; private static KeyPair _reciEcKP; private static X509Certificate _reciEcCert; private static boolean _initialised = false; public boolean DEBUG = true; private static void init() throws Exception { if (!_initialised) { _initialised = true; _signDN = "O=Bouncy Castle, C=AU"; _signKP = CMSTestUtil.makeKeyPair(); _signCert = CMSTestUtil.makeCertificate(_signKP, _signDN, _signKP, _signDN); _origDN = "CN=Bob, OU=Sales, O=Bouncy Castle, C=AU"; _origKP = CMSTestUtil.makeKeyPair(); _origCert = CMSTestUtil.makeCertificate(_origKP, _origDN, _signKP, _signDN); _reciDN = "CN=Doug, OU=Sales, O=Bouncy Castle, C=AU"; _reciKP = CMSTestUtil.makeKeyPair(); _reciCert = CMSTestUtil.makeCertificate(_reciKP, _reciDN, _signKP, _signDN); _origEcKP = CMSTestUtil.makeEcDsaKeyPair(); _reciEcKP = CMSTestUtil.makeEcDsaKeyPair(); _reciEcCert = CMSTestUtil.makeCertificate(_reciEcKP, _reciDN, _signKP, _signDN); } } public void setUp() throws Exception { init(); } public NewAuthenticatedDataTest(String name) { super(name); } public static void main(String args[]) { junit.textui.TestRunner.run(NewAuthenticatedDataTest.class); } public static Test suite() throws Exception { init(); return new CMSTestSetup(new TestSuite(NewAuthenticatedDataTest.class)); } public void testKeyTransDESede() throws Exception { tryKeyTrans(CMSAlgorithm.DES_EDE3_CBC); } public void testKeyTransDESedeWithDigest() throws Exception { tryKeyTransWithDigest(CMSAlgorithm.DES_EDE3_CBC); } public void testKeyTransRC2() throws Exception { tryKeyTrans(CMSAlgorithm.RC2_CBC); } public void testKEKDESede() throws Exception { tryKekAlgorithm(CMSTestUtil.makeDesede192Key(), new DERObjectIdentifier("1.2.840.113549.1.9.16.3.6")); } public void testKEKDESedeWithDigest() throws Exception { tryKekAlgorithmWithDigest(CMSTestUtil.makeDesede192Key(), new DERObjectIdentifier("1.2.840.113549.1.9.16.3.6")); } public void testPasswordAES256() throws Exception { passwordTest(CMSAuthenticatedDataGenerator.AES256_CBC); } public void testECKeyAgree() throws Exception { byte[] data = Hex.decode("504b492d4320434d5320456e76656c6f706564446174612053616d706c65"); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); JceKeyAgreeRecipientInfoGenerator recipientGenerator = new JceKeyAgreeRecipientInfoGenerator(CMSAlgorithm.ECDH_SHA1KDF, _origEcKP.getPrivate(), _origEcKP.getPublic(), CMSAlgorithm.AES128_WRAP).setProvider(BC); recipientGenerator.addRecipient(_reciEcCert); adGen.addRecipientInfoGenerator(recipientGenerator); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build()); RecipientInformationStore recipients = ad.getRecipientInfos(); assertEquals(ad.getMacAlgOID(), CMSAuthenticatedDataGenerator.DES_EDE3_CBC); Collection c = recipients.getRecipients(); Iterator it = c.iterator(); if (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); byte[] recData = recipient.getContent(new JceKeyAgreeAuthenticatedRecipient(_reciEcKP.getPrivate()).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); } else { fail("no recipient found"); } } public void testEncoding() throws Exception { byte[] data = "Eric H. Echidna".getBytes(); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); adGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build()); ad = new CMSAuthenticatedData(ad.getEncoded()); RecipientInformationStore recipients = ad.getRecipientInfos(); assertEquals(CMSAuthenticatedDataGenerator.DES_EDE3_CBC, ad.getMacAlgOID()); Collection c = recipients.getRecipients(); assertEquals(1, c.size()); Iterator it = c.iterator(); while (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); assertEquals(recipient.getKeyEncryptionAlgOID(), PKCSObjectIdentifiers.rsaEncryption.getId()); byte[] recData = recipient.getContent(new JceKeyTransAuthenticatedRecipient(_reciKP.getPrivate()).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); } } private void tryKeyTrans(ASN1ObjectIdentifier macAlg) throws Exception { byte[] data = "Eric H. Echidna".getBytes(); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); adGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(macAlg).setProvider(BC).build()); RecipientInformationStore recipients = ad.getRecipientInfos(); assertEquals(ad.getMacAlgOID(), macAlg.getId()); Collection c = recipients.getRecipients(); assertEquals(1, c.size()); Iterator it = c.iterator(); while (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); assertEquals(recipient.getKeyEncryptionAlgOID(), PKCSObjectIdentifiers.rsaEncryption.getId()); byte[] recData = recipient.getContent(new JceKeyTransAuthenticatedRecipient(_reciKP.getPrivate()).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); } } private void tryKeyTransWithDigest(ASN1ObjectIdentifier macAlg) throws Exception { byte[] data = "Eric H. Echidna".getBytes(); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); DigestCalculatorProvider calcProvider = new JcaDigestCalculatorProviderBuilder().setProvider(BC).build(); adGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(macAlg).setProvider(BC).build(), calcProvider.get(new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1))); RecipientInformationStore recipients = ad.getRecipientInfos(); assertEquals(ad.getMacAlgOID(), macAlg.getId()); Collection c = recipients.getRecipients(); assertEquals(1, c.size()); Iterator it = c.iterator(); while (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); assertEquals(recipient.getKeyEncryptionAlgOID(), PKCSObjectIdentifiers.rsaEncryption.getId()); byte[] recData = recipient.getContent(new JceKeyTransAuthenticatedRecipient(_reciKP.getPrivate()).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); assertTrue(Arrays.equals(ad.getContentDigest(), recipient.getContentDigest())); } } private void tryKekAlgorithm(SecretKey kek, DERObjectIdentifier algOid) throws NoSuchAlgorithmException, NoSuchProviderException, CMSException, OperatorCreationException { byte[] data = "Eric H. Echidna".getBytes(); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); byte[] kekId = new byte[] { 1, 2, 3, 4, 5 }; adGen.addRecipientInfoGenerator(new JceKEKRecipientInfoGenerator(kekId, kek).setProvider(BC)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build()); RecipientInformationStore recipients = ad.getRecipientInfos(); Collection c = recipients.getRecipients(); Iterator it = c.iterator(); assertEquals(ad.getMacAlgOID(), CMSAuthenticatedDataGenerator.DES_EDE3_CBC); if (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); assertEquals(recipient.getKeyEncryptionAlgOID(), algOid.getId()); byte[] recData = recipient.getContent(new JceKEKAuthenticatedRecipient(kek).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); } else { fail("no recipient found"); } } private void tryKekAlgorithmWithDigest(SecretKey kek, DERObjectIdentifier algOid) throws NoSuchAlgorithmException, NoSuchProviderException, CMSException, OperatorCreationException { byte[] data = "Eric H. Echidna".getBytes(); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); DigestCalculatorProvider calcProvider = new JcaDigestCalculatorProviderBuilder().setProvider(BC).build(); byte[] kekId = new byte[] { 1, 2, 3, 4, 5 }; adGen.addRecipientInfoGenerator(new JceKEKRecipientInfoGenerator(kekId, kek).setProvider(BC)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build(), calcProvider.get(new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1))); RecipientInformationStore recipients = ad.getRecipientInfos(); Collection c = recipients.getRecipients(); Iterator it = c.iterator(); assertEquals(ad.getMacAlgOID(), CMSAuthenticatedDataGenerator.DES_EDE3_CBC); if (it.hasNext()) { RecipientInformation recipient = (RecipientInformation)it.next(); assertEquals(recipient.getKeyEncryptionAlgOID(), algOid.getId()); byte[] recData = recipient.getContent(new JceKEKAuthenticatedRecipient(kek).setProvider(BC)); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); assertTrue(Arrays.equals(ad.getContentDigest(), recipient.getContentDigest())); } else { fail("no recipient found"); } } private void passwordTest(String algorithm) throws Exception { byte[] data = Hex.decode("504b492d4320434d5320456e76656c6f706564446174612053616d706c65"); CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator(); adGen.addRecipientInfoGenerator(new JcePasswordRecipientInfoGenerator(new ASN1ObjectIdentifier(algorithm), "password".toCharArray()).setProvider(BC).setSaltAndIterationCount(new byte[20], 5)); CMSAuthenticatedData ad = adGen.generate( new CMSProcessableByteArray(data), new JceCMSMacCalculatorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build()); RecipientInformationStore recipients = ad.getRecipientInfos(); assertEquals(ad.getMacAlgOID(), CMSAuthenticatedDataGenerator.DES_EDE3_CBC); Collection c = recipients.getRecipients(); Iterator it = c.iterator(); if (it.hasNext()) { PasswordRecipientInformation recipient = (PasswordRecipientInformation)it.next(); PasswordRecipient pbeRep = new JcePasswordAuthenticatedRecipient("password".toCharArray()).setProvider(BC); byte[] recData = recipient.getContent(pbeRep); assertTrue(Arrays.equals(data, recData)); assertTrue(Arrays.equals(ad.getMac(), recipient.getMac())); } else { fail("no recipient found"); } } }