Java RecipientInformation.getContent方法代码示例

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void decrypt(X509Certificate cert, PrivateKey privateKey) throws SFRMException {
    try {
        SMIMEEnveloped m = new SMIMEEnveloped(bodyPart);

 RecipientId recId = new JceKeyTransRecipientId(cert);

 RecipientInformationStore  recipientsInfo = m.getRecipientInfos();	
 RecipientInformation       recipientInfo = recipientsInfo.get(recId);

        if (recipientInfo == null) {
            throw new SFRMMessageException("Invalid encrypted content");
        }

 JceKeyTransEnvelopedRecipient recipient = new JceKeyTransEnvelopedRecipient(privateKey);
 recipient.setProvider(SECURITY_PROVIDER);							
 
        this.bodyPart = new MimeBodyPart(new ByteArrayInputStream(recipientInfo.getContent(recipient)));
        this.setIsEncrypted(true);
	} catch (org.bouncycastle.cms.CMSException ex) {
		throw new SFRMException("Unable to decrypt body part", ex.getUnderlyingException());
    } catch (Exception e) {
        throw new SFRMException("Unable to decrypt body part", e);
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
private void testKeyTransLight128RC4()
        throws Exception
{
    byte[]          data     = "WallaWallaBouncyCastle".getBytes();

    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();

    edGen.addRecipientInfoGenerator(new BcRSAKeyTransRecipientInfoGenerator(_reciCert));

    CMSEnvelopedData ed = edGen.generate(
        new CMSProcessableByteArray(data),
        new BcCMSContentEncryptorBuilder(NISTObjectIdentifiers.id_aes128_CBC).build());

    RecipientInformationStore recipients = ed.getRecipientInfos();

    if (!ed.getEncryptionAlgOID().equals(NISTObjectIdentifiers.id_aes128_CBC.getId()))
    {
        fail("enc oid mismatch");
    }

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation recipient = (RecipientInformation)it.next();

        byte[] recData = recipient.getContent(new BcRSAKeyTransEnvelopedRecipient((AsymmetricKeyParameter)_reciKP.getPrivate()));

        if (!Arrays.areEqual(data, recData))
        {
            fail("decryption failed");
        }
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testKeyTransLight128RC4()
    throws Exception
{
    byte[]          data     = "WallaWallaBouncyCastle".getBytes();

    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();

    edGen.addRecipientInfoGenerator(new BcRSAKeyTransRecipientInfoGenerator(new JcaX509CertificateHolder(_reciCert)));

    CMSEnvelopedData ed = edGen.generate(
                            new CMSProcessableByteArray(data),
                            new JceCMSContentEncryptorBuilder(new ASN1ObjectIdentifier("1.2.840.113549.3.4"), 128).setProvider(BC).build());

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals(ed.getEncryptionAlgOID(), "1.2.840.113549.3.4");

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        byte[] recData = recipient.getContent(new JceKeyTransEnvelopedRecipient(_reciKP.getPrivate()).setProvider(BC));

        assertEquals(true, Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testRFC4134ex5_2()
    throws Exception
{
    byte[] data = Hex.decode("5468697320697320736f6d652073616d706c6520636f6e74656e742e");

    KeyFactory kFact = KeyFactory.getInstance("RSA", BC);
    PrivateKey key = kFact.generatePrivate(new PKCS8EncodedKeySpec(bobPrivRsaEncrypt));

    CMSEnvelopedData ed = new CMSEnvelopedData(rfc4134ex5_2);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals("1.2.840.113549.3.2", ed.getEncryptionAlgOID());

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        while (it.hasNext())
        {
            RecipientInformation   recipient = (RecipientInformation)it.next();
            byte[] recData;

            if (recipient instanceof KeyTransRecipientInformation)
            {
                recData = recipient.getContent(new JceKeyTransEnvelopedRecipient(key).setProvider(BC));

                assertEquals(true, Arrays.equals(data, recData));
            }
        }
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testECKeyAgree()
    throws Exception
{
    byte[] data = Hex.decode("504b492d4320434d5320456e76656c6f706564446174612053616d706c65");

    CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator();

    adGen.addKeyAgreementRecipient(CMSAuthenticatedDataGenerator.ECDH_SHA1KDF, _origEcKP.getPrivate(), _origEcKP.getPublic(), _reciEcCert, CMSAuthenticatedDataGenerator.AES128_WRAP, BC);

    CMSAuthenticatedData ad = adGen.generate(
                          new CMSProcessableByteArray(data),
                          CMSAuthenticatedDataGenerator.DES_EDE3_CBC, BC);

    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(_reciEcKP.getPrivate(), BC);
        assertTrue(Arrays.equals(data, recData));
        assertTrue(Arrays.equals(ad.getMac(), recipient.getMac()));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
private void tryKekAlgorithm(SecretKey kek, DERObjectIdentifier algOid)
    throws NoSuchAlgorithmException, NoSuchProviderException, CMSException
{
    byte[]          data     = "Eric H. Echidna".getBytes();

    CMSAuthenticatedDataGenerator adGen = new CMSAuthenticatedDataGenerator();

    byte[]  kekId = new byte[] { 1, 2, 3, 4, 5 };

    adGen.addKEKRecipient(kek, kekId);

    CMSAuthenticatedData ad = adGen.generate(
                            new CMSProcessableByteArray(data),
                            CMSAuthenticatedDataGenerator.DES_EDE3_CBC, BC);

    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(kek, BC);

        assertTrue(Arrays.equals(data, recData));
        assertTrue(Arrays.equals(ad.getMac(), recipient.getMac()));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testErrorneousKEK()
    throws Exception
{
    byte[]    data = "WallaWallaWashington".getBytes();
    SecretKey kek  = new SecretKeySpec(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }, "AES");

    CMSEnvelopedData ed = new CMSEnvelopedData(oldKEK);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals(ed.getEncryptionAlgOID(), CMSEnvelopedDataGenerator.DES_EDE3_CBC);

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        assertEquals(recipient.getKeyEncryptionAlgOID(), NISTObjectIdentifiers.id_aes128_wrap.getId());

        byte[] recData = recipient.getContent(kek, BC);

        assertEquals(true, Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testRFC4134ex5_2()
    throws Exception
{
    byte[] data = Hex.decode("5468697320697320736f6d652073616d706c6520636f6e74656e742e");

    KeyFactory kFact = KeyFactory.getInstance("RSA", BC);
    PrivateKey key = kFact.generatePrivate(new PKCS8EncodedKeySpec(bobPrivRsaEncrypt));

    CMSEnvelopedData ed = new CMSEnvelopedData(rfc4134ex5_2);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals("1.2.840.113549.3.2", ed.getEncryptionAlgOID());

    Collection c = recipients.getRecipients();
    Iterator it = c.iterator();

    if (it.hasNext())
    {
        while (it.hasNext())
        {
            RecipientInformation   recipient = (RecipientInformation)it.next();
            byte[] recData;

            if (recipient instanceof KeyTransRecipientInformation)
            {
                recData = recipient.getContent(new BcRSAKeyTransEnvelopedRecipient(PrivateKeyFactory.createKey(PrivateKeyInfo.getInstance(key.getEncoded()))));

                assertEquals(true, Arrays.equals(data, recData));
            }
        }
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testKeyTransSmallAES()
    throws Exception
{
    byte[]          data     = new byte[] { 0, 1, 2, 3 };

    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();

    edGen.addRecipientInfoGenerator(new BcRSAKeyTransRecipientInfoGenerator(new JcaX509CertificateHolder(_reciCert)));

    CMSEnvelopedData ed = edGen.generate(
                          new CMSProcessableByteArray(data),
                          new BcCMSContentEncryptorBuilder(CMSAlgorithm.AES128_CBC).build());

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals(ed.getEncryptionAlgOID(),
                               CMSAlgorithm.AES128_CBC.getId());

    Collection c = recipients.getRecipients();
    Iterator it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        byte[] recData = recipient.getContent(new BcRSAKeyTransEnvelopedRecipient(PrivateKeyFactory.createKey(PrivateKeyInfo.getInstance(_reciKP.getPrivate().getEncoded()))));
        assertEquals(true, Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testKeyTrans128RC4()
    throws Exception
{
    byte[]          data     = "WallaWallaBouncyCastle".getBytes();

    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();

    edGen.addRecipientInfoGenerator(new JceKeyTransRecipientInfoGenerator(_reciCert).setProvider(BC));

    CMSEnvelopedData ed = edGen.generate(
                            new CMSProcessableByteArray(data),
                            new JceCMSContentEncryptorBuilder(new ASN1ObjectIdentifier("1.2.840.113549.3.4"), 128).setProvider(BC).build());

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals(ed.getEncryptionAlgOID(), "1.2.840.113549.3.4");

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        byte[] recData = recipient.getContent(new JceKeyTransEnvelopedRecipient(_reciKP.getPrivate()).setProvider(BC));

        assertEquals(true, Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testRFC4134ex5_1()
    throws Exception
{
    byte[] data = Hex.decode("5468697320697320736f6d652073616d706c6520636f6e74656e742e");

    KeyFactory kFact = KeyFactory.getInstance("RSA", BC);
    Key key = kFact.generatePrivate(new PKCS8EncodedKeySpec(bobPrivRsaEncrypt));

    CMSEnvelopedData ed = new CMSEnvelopedData(rfc4134ex5_1);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals("1.2.840.113549.3.7", ed.getEncryptionAlgOID());

    Collection c = recipients.getRecipients();
    Iterator it = c.iterator();

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        byte[] recData = recipient.getContent(new BcRSAKeyTransEnvelopedRecipient(PrivateKeyFactory.createKey(PrivateKeyInfo.getInstance(key.getEncoded()))));

        assertEquals(true, Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
private void verifyECKeyAgreeVectors(PrivateKey privKey, String wrapAlg, byte[] message)
    throws CMSException, GeneralSecurityException
{
    byte[] data = Hex.decode("504b492d4320434d5320456e76656c6f706564446174612053616d706c65");

    CMSEnvelopedData ed = new CMSEnvelopedData(message);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    assertEquals(wrapAlg, ed.getEncryptionAlgOID());

    if (it.hasNext())
    {
        RecipientInformation   recipient = (RecipientInformation)it.next();

        assertEquals("1.3.133.16.840.63.0.2", recipient.getKeyEncryptionAlgOID());

        byte[] recData = recipient.getContent(privKey, "BC");

        assertTrue(Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
private void tryKekAlgorithm(SecretKey kek, DERObjectIdentifier algOid)
    throws NoSuchAlgorithmException, NoSuchProviderException, CMSException
{
    byte[]    data = "WallaWallaWashington".getBytes();
    CMSEnvelopedDataGenerator edGen = new CMSEnvelopedDataGenerator();

    byte[]  kekId = new byte[] { 1, 2, 3, 4, 5 };

    edGen.addRecipientInfoGenerator(new JceKEKRecipientInfoGenerator(kekId, kek).setProvider(BC));

    CMSEnvelopedData ed = edGen.generate(
                            new CMSProcessableByteArray(data),
                            new JceCMSContentEncryptorBuilder(CMSAlgorithm.DES_EDE3_CBC).setProvider(BC).build());

    RecipientInformationStore recipients = ed.getRecipientInfos();

    Collection c = recipients.getRecipients();
    Iterator it = c.iterator();

    assertEquals(ed.getEncryptionAlgOID(), CMSEnvelopedDataGenerator.DES_EDE3_CBC);

    if (it.hasNext())
    {
        RecipientInformation recipient = (RecipientInformation)it.next();

        assertEquals(algOid.getId(), recipient.getKeyEncryptionAlgOID());

        byte[] recData = recipient.getContent(new JceKEKEnvelopedRecipient(kek).setProvider(BC));

        assertTrue(Arrays.equals(data, recData));
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
public void testRFC4134ex5_2()
    throws Exception
{
    byte[] data = Hex.decode("5468697320697320736f6d652073616d706c6520636f6e74656e742e");

    KeyFactory kFact = KeyFactory.getInstance("RSA", "BC");
    Key key = kFact.generatePrivate(new PKCS8EncodedKeySpec(bobPrivRsaEncrypt));

    CMSEnvelopedData ed = new CMSEnvelopedData(rfc4134ex5_2);

    RecipientInformationStore  recipients = ed.getRecipientInfos();

    assertEquals("1.2.840.113549.3.2", ed.getEncryptionAlgOID());

    Collection  c = recipients.getRecipients();
    Iterator    it = c.iterator();

    if (it.hasNext())
    {
        while (it.hasNext())
        {
            RecipientInformation   recipient = (RecipientInformation)it.next();
            byte[] recData;

            if (recipient instanceof KeyTransRecipientInformation)
            {
                recData = recipient.getContent(key, "BC");

                assertEquals(true, Arrays.equals(data, recData));
            }
        }
    }
    else
    {
        fail("no recipient found");
    }
}
 

import org.bouncycastle.cms.RecipientInformation; //导入方法依赖的package包/类
/**
 * Decrypts the encapsulated MIME body part.
 * 
 * @param privateKey the private key for decryption.
 * @return an S/MIME message encapsulating the decrypted MIME body part. 
 * @throws SMimeException if unable to decrpyt the body part.
 */
public SMimeMessage decrypt(PrivateKey privateKey) throws SMimeException {
    if (privateKey==null) {
        throw new SMimeException("Private key not found");
    }

    try {
        setDefaults();
 	    
        SMIMEEnveloped       m = new SMIMEEnveloped(bodyPart);

 // RecipientId          recId = new RecipientId();  // change to abstract class
 // 								   
 // recId.setSerialNumber(cert.getSerialNumber());		   
 // recId.setIssuer(cert.getIssuerX500Principal().getEncoded());
 
 RecipientId          recId = new JceKeyTransRecipientId(cert);

 // RecipientId          recId = new RecipientId();		   
 // 								   
        // recId.setSerialNumber(cert.getSerialNumber());		   
        // recId.setIssuer(cert.getIssuerX500Principal().getEncoded());

 // RecipientInformationStore  recipients = m.getRecipientInfos();
 // RecipientInformation       recipient = recipientsInfo.get(recId);
 
 RecipientInformationStore  recipientsInfo = m.getRecipientInfos();	
 RecipientInformation       recipientInfo = recipientsInfo.get(recId);

 if (recipientInfo == null) {				      
     throw new SMimeException("Invalid encrypted content");
 }
 
 JceKeyTransEnvelopedRecipient       recipient = new JceKeyTransEnvelopedRecipient(privateKey);
 recipient.setProvider(SECURITY_PROVIDER);							
 
        // ByteArrayInputStream ins = new ByteArrayInputStream(recipient.getContent(privateKey, "BC")); // Deprecated
 ByteArrayInputStream ins = new ByteArrayInputStream(recipientInfo.getContent(recipient));
        MimeBodyPart decryptedPart = new MimeBodyPart(ins); 
        return new SMimeMessage(decryptedPart, this);
    }
    catch (Exception e) {
        throw new SMimeException("Unable to decrypt body part", e);
    }
}