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package org.spongycastle.cms.test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.spongycastle.asn1.ASN1InputStream;
import org.spongycastle.asn1.ASN1ObjectIdentifier;
import org.spongycastle.asn1.cms.ContentInfo;
import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.spongycastle.asn1.x509.X509Name;
import org.spongycastle.cert.X509CertificateHolder;
import org.spongycastle.cms.CMSEnvelopedData;
import org.spongycastle.cms.CMSEnvelopedDataGenerator;
import org.spongycastle.cms.CMSProcessableByteArray;
import org.spongycastle.cms.CMSSignedData;
import org.spongycastle.cms.CMSSignedDataGenerator;
import org.spongycastle.cms.CMSSignedDataParser;
import org.spongycastle.cms.CMSSignedDataStreamGenerator;
import org.spongycastle.cms.CMSTypedData;
import org.spongycastle.cms.CMSTypedStream;
import org.spongycastle.cms.RecipientInformation;
import org.spongycastle.cms.RecipientInformationStore;
import org.spongycastle.cms.SignerInformation;
import org.spongycastle.cms.SignerInformationStore;
import org.spongycastle.cms.jcajce.JcaSignerInfoGeneratorBuilder;
import org.spongycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
import org.spongycastle.cms.jcajce.JcaX509CertSelectorConverter;
import org.spongycastle.cms.jcajce.JceCMSContentEncryptorBuilder;
import org.spongycastle.cms.jcajce.JceKeyTransEnvelopedRecipient;
import org.spongycastle.cms.jcajce.JceKeyTransRecipientInfoGenerator;
import org.spongycastle.operator.DigestCalculatorProvider;
import org.spongycastle.operator.jcajce.JcaContentSignerBuilder;
import org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder;
import org.spongycastle.util.CollectionStore;
import org.spongycastle.util.Store;
import org.spongycastle.x509.X509V3CertificateGenerator;
public class NullProviderTest
extends TestCase
{
static KeyPair keyPair;
static X509Certificate keyCert;
private static final String TEST_MESSAGE = "Hello World!";
private JcaX509CertSelectorConverter selectorConverter = new JcaX509CertSelectorConverter();
static
{
try
{
keyPair = generateKeyPair();
String origDN = "O=Bouncy Castle, C=AU";
keyCert = makeCertificate(keyPair, origDN, keyPair, origDN);
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
public void testSHA1WithRSAEncapsulated()
throws Exception
{
List certList = new ArrayList();
CMSTypedData msg = new CMSProcessableByteArray(TEST_MESSAGE.getBytes());
certList.add(new X509CertificateHolder(keyCert.getEncoded()));
DigestCalculatorProvider digCalcProv = new JcaDigestCalculatorProviderBuilder().build();
CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
gen.addSignerInfoGenerator(new JcaSignerInfoGeneratorBuilder(digCalcProv).build(new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate()), keyCert));
gen.addCertificates(new CollectionStore(certList));
CMSSignedData s = gen.generate(msg, true);
ByteArrayInputStream bIn = new ByteArrayInputStream(s.getEncoded());
ASN1InputStream aIn = new ASN1InputStream(bIn);
s = new CMSSignedData(ContentInfo.getInstance(aIn.readObject()));
Store certsAndCrls = s.getCertificates();
SignerInformationStore signers = s.getSignerInfos();
Collection c = signers.getSigners();
Iterator it = c.iterator();
while (it.hasNext())
{
SignerInformation signer = (SignerInformation)it.next();
Collection certCollection = certsAndCrls.getMatches(signer.getSID());
Iterator certIt = certCollection.iterator();
X509CertificateHolder cert = (X509CertificateHolder)certIt.next();
assertEquals(true, signer.verify(new JcaSimpleSignerInfoVerifierBuilder().build(cert)));
}
}
public void testSHA1WithRSAStream()
throws Exception
{
List certList = new ArrayList();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
certList.add(new X509CertificateHolder(keyCert.getEncoded()));
DigestCalculatorProvider digCalcProv = new JcaDigestCalculatorProviderBuilder().build();
CMSSignedDataStreamGenerator gen = new CMSSignedDataStreamGenerator();
gen.addSignerInfoGenerator(new JcaSignerInfoGeneratorBuilder(digCalcProv).build(new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate()), keyCert));
gen.addCertificates(new CollectionStore(certList));
OutputStream sigOut = gen.open(bOut);
sigOut.write(TEST_MESSAGE.getBytes());
sigOut.close();
CMSSignedDataParser sp = new CMSSignedDataParser(digCalcProv,
new CMSTypedStream(new ByteArrayInputStream(TEST_MESSAGE.getBytes())), bOut.toByteArray());
sp.getSignedContent().drain();
//
// compute expected content digest
//
MessageDigest md = MessageDigest.getInstance("SHA1");
byte[] contentDigest = md.digest(TEST_MESSAGE.getBytes());
Store certStore = sp.getCertificates();
SignerInformationStore signers = sp.getSignerInfos();
Collection c = signers.getSigners();
Iterator it = c.iterator();
while (it.hasNext())
{
SignerInformation signer = (SignerInformation)it.next();
Collection certCollection = certStore.getMatches(signer.getSID());
Iterator certIt = certCollection.iterator();
X509CertificateHolder cert = (X509CertificateHolder)certIt.next();
assertEquals(true, signer.verify(new JcaSimpleSignerInfoVerifierBuilder().build(cert)));
if (contentDigest != null)
{
assertTrue(MessageDigest.isEqual(contentDigest, signer.getContentDigest()));
}
}
}
public void testKeyTransDES()
throws Exception
{
testKeyTrans(CMSEnvelopedDataGenerator.DES_EDE3_CBC);
}
public void testKeyTransAES128()
throws Exception
{
testKeyTrans(CMSEnvelopedDataGenerator.AES128_CBC);
}
public void testKeyTransAES192()
throws Exception
{
testKeyTrans(CMSEnvelopedDataGenerator.AES192_CBC);
}
public void testKeyTransAES256()
throws Exception
{
testKeyTrans(CMSEnvelopedDataGenerator.AES256_CBC);
}
private void testKeyTrans(String algorithm)
throws Exception
{
byte[] data = "WallaWallaWashington".getBytes();
CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();
edGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(keyCert));
CMSEnvelopedData ed = edGen.generate(
new CMSProcessableByteArray(data),
new JceCMSContentEncryptorBuilder(new ASN1ObjectIdentifier(algorithm)).build());
RecipientInformationStore recipients = ed.getRecipientInfos();
assertEquals(ed.getEncryptionAlgOID(), algorithm);
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 JceKeyTransEnvelopedRecipient(keyPair.getPrivate()));
assertEquals(true, Arrays.equals(data, recData));
}
}
private static KeyPair generateKeyPair()
throws NoSuchProviderException, NoSuchAlgorithmException
{
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", "SunRsaSign");
kpg.initialize(512, new SecureRandom());
return kpg.generateKeyPair();
}
private static X509Certificate makeCertificate(KeyPair subKP, String _subDN, KeyPair issKP, String _issDN)
throws GeneralSecurityException, IOException
{
PublicKey subPub = subKP.getPublic();
PrivateKey issPriv = issKP.getPrivate();
PublicKey issPub = issKP.getPublic();
X509V3CertificateGenerator v3CertGen = new X509V3CertificateGenerator();
v3CertGen.reset();
v3CertGen.setSerialNumber(BigInteger.valueOf(1));
v3CertGen.setIssuerDN(new X509Name(_issDN));
v3CertGen.setNotBefore(new Date(System.currentTimeMillis()));
v3CertGen.setNotAfter(new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 100)));
v3CertGen.setSubjectDN(new X509Name(_subDN));
v3CertGen.setPublicKey(subPub);
v3CertGen.setSignatureAlgorithm("SHA1WithRSA");
X509Certificate _cert = v3CertGen.generate(issPriv, "SunRsaSign");
_cert.checkValidity(new Date());
_cert.verify(issPub);
return _cert;
}
public static Test suite()
throws Exception
{
return new TestSuite(NullProviderTest.class);
}
}
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