Example usage for org.bouncycastle.jce.provider BouncyCastleProvider BouncyCastleProvider

Introduction

In this page you can find the example usage for org.bouncycastle.jce.provider BouncyCastleProvider BouncyCastleProvider.

Prototype

public BouncyCastleProvider() 

Source Link

Document

Construct a new provider.

Usage

From source file:com.computersecurity.hybridcryptography.model.moduleDES.DESBaseCBC.java

public DESBaseCBC(int rounds) {
    try {/*  w  w w .j a va2  s.c  om*/
        Security.addProvider(new BouncyCastleProvider());
        this.rounds = rounds;
        cipher = Cipher.getInstance(ALGORITHM, PROVIDER);
        secureRand = SecureRandom.getInstance("SHA1PRNG");
        secureRand.nextBytes(new byte[cipher.getBlockSize()]);
        ivParamSpec = new IvParameterSpec(new byte[cipher.getBlockSize()]);

    } catch (NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException ex) {

        System.out.println(ex);

    }

}

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From source file:com.computersecurity.hybridcryptography.model.moduleVEA.VEABaseCBC.java

public VEABaseCBC() {
    try {/* w ww . j  av  a 2  s . com*/
        Security.addProvider(new BouncyCastleProvider());
        rounds = 16;
        cipher = Cipher.getInstance(ALGORITHM, PROVIDER);
        secureRand = SecureRandom.getInstance("SHA1PRNG");
        secureRand.nextBytes(new byte[cipher.getBlockSize()]);
        ivParamSpec = new IvParameterSpec(new byte[cipher.getBlockSize()]);

    } catch (NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException ex) {

        System.out.println(ex);

    }

}

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From source file:com.computersecurity.hybridcryptography.model.moduleVEA.VEABaseCBC.java

public VEABaseCBC(int rounds) {
    try {// www  .  j a  v  a  2s.co m
        Security.addProvider(new BouncyCastleProvider());
        this.rounds = rounds;
        cipher = Cipher.getInstance(ALGORITHM, PROVIDER);
        secureRand = SecureRandom.getInstance("SHA1PRNG");
        secureRand.nextBytes(new byte[cipher.getBlockSize()]);
        ivParamSpec = new IvParameterSpec(new byte[cipher.getBlockSize()]);

    } catch (NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException ex) {

        System.out.println(ex);

    }

}

---

From source file:com.computersecurity.hybridcryptography.model.moduleVEA.VEABaseECB.java

public VEABaseECB() {
    try {//from   w  w w.  j  a v a2s .co m
        Security.addProvider(new BouncyCastleProvider());
        rounds = 16;
        cipher = Cipher.getInstance(ALGORITHM, PROVIDER);

    } catch (NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException ex) {

        System.out.println(ex);

    }

}

---

From source file:com.computersecurity.hybridcryptography.model.moduleVEA.VEABaseECB.java

public VEABaseECB(int rounds) {
    try {//from  w w  w. j a v a 2  s  .com
        Security.addProvider(new BouncyCastleProvider());
        this.rounds = rounds;
        cipher = Cipher.getInstance(ALGORITHM, PROVIDER);

    } catch (NoSuchAlgorithmException | NoSuchProviderException | NoSuchPaddingException ex) {

        System.out.println(ex);

    }

}

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From source file:com.cordys.coe.ac.emailio.keymanager.BCKeyManagerImpl.java

License:Apache License

/**
 * Creates a new BCKeyManagerImpl object.
 *//*w  w  w  .  ja va 2  s  . com*/
public BCKeyManagerImpl() {
    if (Security.getProvider(PROVIDER_BOUNCY_CASTLE) == null) {
        Security.addProvider(new BouncyCastleProvider());
    }
}

---

From source file:com.cordys.coe.test.smime.TestSendEncryptedAndSignedMessage.java

License:Apache License

/**
 * This method sends the message to the receiver.
 *
 * @throws  Exception  DOCUMENTME//w w w.j a  v a2s.  c o  m
 */
private void sendMessage() throws Exception {
    final InternetAddress[] RECEIVER_ADDRESS = new InternetAddress[] {
            new InternetAddress("outlook2007@ces70.cordys.com", "Outlook 2007 User"),
            new InternetAddress("outlookexpress@ces70.cordys.com", "Outlook Express User"),
            new InternetAddress("thunderbird@ces70.cordys.com", "Thunderbird User"),
            new InternetAddress("cordystestuser1@ces70.cordys.com", "Cordys Test User 1"),
            new InternetAddress("cordystestuser2@ces70.cordys.com", "Cordys Test User 2") };
    final InternetAddress SENDER_ADDRESS = new InternetAddress("testprogram@ces70.cordys.com",
            "Test Program User");
    String sSubject = "From test progam V1 [S&E] No r";
    boolean bDoEncryption = true;
    // String sContent = "Single line"+System.getProperty("line.separator")+"SecondLine";
    String sContent = "Single line\nSecondLine";

    // Add capabilities.
    MailcapCommandMap mailcap = (MailcapCommandMap) CommandMap.getDefaultCommandMap();

    mailcap.addMailcap(
            "application/pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_signature");
    mailcap.addMailcap(
            "application/pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_mime");
    mailcap.addMailcap(
            "application/x-pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_signature");
    mailcap.addMailcap(
            "application/x-pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_mime");
    mailcap.addMailcap(
            "multipart/signed;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.multipart_signed");

    CommandMap.setDefaultCommandMap(mailcap);

    /* Add BC */
    Security.addProvider(new BouncyCastleProvider());

    /* Get the private key to sign the message with */
    ICertificateInfo certInfo = m_km.getCertificateInfo(SENDER_ADDRESS.getAddress());

    if (certInfo == null) {
        throw new Exception("cannot find private key for email address " + SENDER_ADDRESS);
    }

    /* Create the message to sign and encrypt */
    Properties props = System.getProperties();
    props.put("mail.smtp.host", "srv-nl-ces70");

    Session session = Session.getDefaultInstance(props, null);

    MimeMessage body = new MimeMessage(session);
    body.setContent(sContent, "text/plain");
    body.saveChanges();

    /* Create the SMIMESignedGenerator */
    SMIMECapabilityVector capabilities = new SMIMECapabilityVector();
    capabilities.addCapability(SMIMECapability.dES_EDE3_CBC);
    capabilities.addCapability(SMIMECapability.rC2_CBC, 128);
    capabilities.addCapability(SMIMECapability.dES_CBC);

    X509Certificate cert = certInfo.getX509Certificate();

    ASN1EncodableVector attributes = new ASN1EncodableVector();
    X509Name name = new X509Name(cert.getIssuerDN().getName());
    IssuerAndSerialNumber issuerAndSerialNumber = new IssuerAndSerialNumber(name, cert.getSerialNumber());
    SMIMEEncryptionKeyPreferenceAttribute encryptionKeyPreferenceAttribute = new SMIMEEncryptionKeyPreferenceAttribute(
            issuerAndSerialNumber);
    attributes.add(encryptionKeyPreferenceAttribute);
    attributes.add(new SMIMECapabilitiesAttribute(capabilities));

    SMIMESignedGenerator signer = new SMIMESignedGenerator();
    signer.addSigner((PrivateKey) certInfo.getKey(), cert,
            "DSA".equals(certInfo.getKey().getAlgorithm()) ? SMIMESignedGenerator.DIGEST_SHA1
                    : SMIMESignedGenerator.DIGEST_MD5,
            new AttributeTable(attributes), null);

    /* Add the list of certs to the generator */
    List<X509Certificate> certList = new ArrayList<X509Certificate>();
    certList.add(cert);

    CertStore certs = CertStore.getInstance("Collection", new CollectionCertStoreParameters(certList), "BC");
    signer.addCertificatesAndCRLs(certs);

    /* Sign the message */
    MimeMultipart mm = signer.generate(body, "BC");
    MimeMessage signedMessage = new MimeMessage(session);

    /* Set the content of the signed message */
    signedMessage.setContent(mm);
    signedMessage.saveChanges();

    /* Create the encrypter */
    if (bDoEncryption) {
        SMIMEEnvelopedGenerator encrypter = new SMIMEEnvelopedGenerator();

        for (InternetAddress ia : RECEIVER_ADDRESS) {
            ICertificateInfo ciTemp = m_km.getCertificateInfo(ia.getAddress());

            if (ciTemp != null) {
                encrypter.addKeyTransRecipient(ciTemp.getX509Certificate());
            } else if (LOG.isDebugEnabled()) {
                LOG.debug("No certificate found for " + ia.toString());
            }
        }

        /* Encrypt the message */
        MimeBodyPart encryptedPart = encrypter.generate(signedMessage, SMIMEEnvelopedGenerator.DES_EDE3_CBC,
                "BC");

        /*
         * Create a new MimeMessage that contains the encrypted and signed content
         */
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        encryptedPart.writeTo(out);

        body = new MimeMessage(session, new ByteArrayInputStream(out.toByteArray()));
    } else {
        body = signedMessage;
    }

    body.setFrom(SENDER_ADDRESS);
    body.setRecipients(Message.RecipientType.TO, RECEIVER_ADDRESS);
    body.addRecipient(Message.RecipientType.TO,
            new InternetAddress("intermediate@ces70.cordys.com", "Intermediate user"));

    body.setSentDate(new Date());
    body.addHeader("User-Agent", "CordysMailClient");
    body.setSubject(sSubject);

    Transport.send(body);
}

---

From source file:com.cryptolib.CryptoObject.java

License:Open Source License

/** 
* Constructor.//from  w ww . j  ava2  s . com
* Create a new CryptoObject with encryption asymmetric elliptic curve encryption keypair 
* and digital sign asymmetric elliptic curve keypair.
* curve specificies elliptic curve for encryption scheme and sign algorithm e.g. "curve25519"
* enc_algorithm must be an implemented elliptic curve encryption algorithm e.g. "ECDH"
* shortAuthenticationStringSize must be a positive number, that represents the short authentication byte length.
* iv_size must be positiv, byte size of iv for encryption scheme
* tag_size must be positiv, byte size of tag for encryption scheme
*/
public CryptoObject(String curve, String enc_algorithm, int shortAuthenticationStringSize, int iv_size,
        int tag_size) throws CryptoSocketException {
    if (0 >= shortAuthenticationStringSize || 0 >= iv_size || 0 >= tag_size) {
        throw new CryptoSocketException(
                "shortAuthenticationStringSize,iv_size and tag_size must be a positive number!");
    }

    try {
        X9ECParameters ecP = CustomNamedCurves.getByName(curve);
        org.bouncycastle.jce.spec.ECParameterSpec ecGenSpec = new org.bouncycastle.jce.spec.ECParameterSpec(
                ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
        this.provider = new BouncyCastleProvider();
        KeyPairGenerator g = KeyPairGenerator.getInstance(enc_algorithm, this.provider);
        this.random = new SecureRandom();
        g.initialize(ecGenSpec, this.random);
        this.encKeypair = g.generateKeyPair();

        if (this.encKeypair == null) {
            throw new CryptoSocketException("Unable to create new key pair!");
        }

        this.OOB = new byte[shortAuthenticationStringSize];
        this.random.nextBytes(this.OOB);
    } catch (NoSuchAlgorithmException nsa) {
        throw new CryptoSocketException("Algorithm is not supported!");
    } catch (InvalidAlgorithmParameterException iap) {
        throw new CryptoSocketException("Wrong parameter for algorithm!");
    }

    this.enc_algorithm = enc_algorithm;
    this.curve = curve;
    this.iv_size = iv_size;
    this.tag_size = tag_size;
}

---

From source file:com.cryptolib.CryptoObject.java

License:Open Source License

/**
* Open commitment and extract message to create shared secret.
*//*  www .  j a  va2 s  .  co m*/
public void openCommitmentAndCreateSharedSecret(byte[] decommitment)
        throws CryptoSocketException, InvalidKeyException, NoSuchAlgorithmException {
    this.cc.open(decommitment);

    try {
        BCECPublicKey mypk = (BCECPublicKey) (this.encKeypair.getPublic());
        int publicKeySize = mypk.getQ().getEncoded(true).length - 1;
        byte[] message = this.cc.getOtherMessage();

        if (message.length != publicKeySize + this.OOB.length) {
            throw new CryptoSocketException("Message size is wrong!");
        }

        byte[] otherPK = new byte[publicKeySize + 1];

        //compressed encoding magic byte
        otherPK[0] = (byte) 0x02;
        byte[] otherOOB = new byte[this.OOB.length];
        System.arraycopy(message, 0, otherPK, 1, publicKeySize);
        System.arraycopy(message, publicKeySize, otherOOB, 0, otherOOB.length);
        X9ECParameters ecP = CustomNamedCurves.getByName(curve);
        org.bouncycastle.jce.spec.ECParameterSpec ecGenSpec = new org.bouncycastle.jce.spec.ECParameterSpec(
                ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH());
        //ECNamedCurveParameterSpec ecP = ECNamedCurveTable.getParameterSpec(this.curve);
        ECPublicKeySpec pubKey = new ECPublicKeySpec(ecP.getCurve().decodePoint(otherPK), ecGenSpec);
        KeyFactory kf = KeyFactory.getInstance(this.enc_algorithm, new BouncyCastleProvider());
        ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKey);
        createSharedEncKey(pk);
        mergeOOB(otherOOB);
    } catch (NoSuchAlgorithmException nsa) {
        throw new CryptoSocketException("Algorithm is not supported!");
    } catch (InvalidKeySpecException iks) {
        throw new CryptoSocketException("Wrong parameter for algorithm!");
    }
}

---

From source file:com.datamountaineer.streamreactor.connect.coap.Server.java

License:Apache License

public Server(Integer securePort, Integer insecurePort, Integer keyport) {
    Security.addProvider(new BouncyCastleProvider());
    server = new CoapServer();
    server.add(new ObservableResource("secure"));
    server.add(new ObservableResource("insecure"));
    server.add(new ObservableResource("key"));

    secure = securePort;//from   www  . ja v  a  2 s . c om
    insecure = insecurePort;
    key = keyport;

    DTLSConnector sslConnector = getConnectorSSL(securePort);
    DTLSConnector keyConnector = getConnectorKeys(key);

    //add secure
    server.addEndpoint(new CoapEndpoint(sslConnector, NetworkConfig.getStandard()));

    //add key
    server.addEndpoint(new CoapEndpoint(keyConnector, NetworkConfig.getStandard()));

    //add unsecure
    InetSocketAddress addr = null;
    try {
        addr = new InetSocketAddress(InetAddress.getByName("localhost"), insecurePort);
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
    server.addEndpoint(new CoapEndpoint(addr));

    // add special interceptor for message traces
    for (Endpoint ep : server.getEndpoints()) {
        ep.addInterceptor(new MessageTracer());
    }
}

---

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