Example usage for java.math BigInteger valueOf

List of usage examples for java.math BigInteger valueOf

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Introduction

In this page you can find the example usage for java.math BigInteger valueOf.

Prototype

private static BigInteger valueOf(int val[])

Source Link

Document

Returns a BigInteger with the given two's complement representation.

Usage

From source file:io.getlime.security.powerauth.app.server.service.behavior.SignatureServiceBehavior.java

/**
 * Verify signature for given activation and provided data. Log every validation attempt in the audit log.
 *
 * @param activationId           Activation ID.
 * @param signatureType          Provided signature type.
 * @param signature              Provided signature.
 * @param dataString             String with data used to compute the signature.
 * @param applicationKey         Associated application key.
 * @param keyConversionUtilities Conversion utility class.
 * @return Response with the signature validation result object.
 * @throws UnsupportedEncodingException In case UTF-8 is not supported on the system.
 * @throws InvalidKeySpecException      In case invalid key is provided.
 * @throws InvalidKeyException          In case invalid key is provided.
 *///from  w  ww  .  ja va2s . c  o  m
public VerifySignatureResponse verifySignature(String activationId, String signatureType, String signature,
        String dataString, String applicationKey, CryptoProviderUtil keyConversionUtilities)
        throws UnsupportedEncodingException, InvalidKeySpecException, InvalidKeyException {
    // Prepare current timestamp in advance
    Date currentTimestamp = new Date();

    // Fetch related activation
    ActivationRecordEntity activation = powerAuthRepository.findFirstByActivationId(activationId);

    // Only validate signature for existing ACTIVE activation records
    if (activation != null) {

        // Check the activation - application relationship and version support
        ApplicationVersionEntity applicationVersion = applicationVersionRepository
                .findByApplicationKey(applicationKey);

        if (applicationVersion == null || applicationVersion.getSupported() == false
                || applicationVersion.getApplication().getId() != activation.getApplication().getId()) {

            // Get the data and append application KEY in this case, just for auditing reasons
            byte[] data = (dataString + "&" + applicationKey).getBytes("UTF-8");

            // Increment the counter
            activation.setCounter(activation.getCounter() + 1);

            // Update failed attempts and block the activation, if necessary
            activation.setFailedAttempts(activation.getFailedAttempts() + 1);
            Long remainingAttempts = (activation.getMaxFailedAttempts() - activation.getFailedAttempts());
            if (remainingAttempts <= 0) {
                activation.setActivationStatus(ActivationStatus.BLOCKED);
            }

            // Update the last used date
            activation.setTimestampLastUsed(currentTimestamp);

            // Save the activation
            powerAuthRepository.save(activation);

            auditingServiceBehavior.logSignatureAuditRecord(activation, signatureType, signature, data, false,
                    "activation_invalid_application", currentTimestamp);

            // return the data
            VerifySignatureResponse response = new VerifySignatureResponse();
            response.setActivationId(activationId);
            response.setActivationStatus(ModelUtil.toServiceStatus(ActivationStatus.REMOVED));
            response.setRemainingAttempts(BigInteger.valueOf(0));
            response.setSignatureValid(false);
            response.setUserId("UNKNOWN");

            return response;
        }

        String applicationSecret = applicationVersion.getApplicationSecret();
        byte[] data = (dataString + "&" + applicationSecret).getBytes("UTF-8");

        if (activation.getActivationStatus() == ActivationStatus.ACTIVE) {

            // Get the server private and device public keys
            byte[] serverPrivateKeyBytes = BaseEncoding.base64().decode(activation.getServerPrivateKeyBase64());
            byte[] devicePublicKeyBytes = BaseEncoding.base64().decode(activation.getDevicePublicKeyBase64());
            PrivateKey serverPrivateKey = keyConversionUtilities
                    .convertBytesToPrivateKey(serverPrivateKeyBytes);
            PublicKey devicePublicKey = keyConversionUtilities.convertBytesToPublicKey(devicePublicKeyBytes);

            // Compute the master secret key
            SecretKey masterSecretKey = powerAuthServerKeyFactory
                    .generateServerMasterSecretKey(serverPrivateKey, devicePublicKey);

            // Get the signature keys according to the signature type
            List<SecretKey> signatureKeys = powerAuthServerKeyFactory.keysForSignatureType(signatureType,
                    masterSecretKey);

            // Verify the signature with given lookahead
            boolean signatureValid = false;
            long ctr = activation.getCounter();
            long lowestValidCounter = ctr;
            for (long iterCtr = ctr; iterCtr < ctr
                    + PowerAuthConfiguration.SIGNATURE_VALIDATION_LOOKAHEAD; iterCtr++) {
                signatureValid = powerAuthServerSignature.verifySignatureForData(data, signature, signatureKeys,
                        iterCtr);
                if (signatureValid) {
                    // set the lowest valid counter and break at the lowest
                    // counter where signature validates
                    lowestValidCounter = iterCtr;
                    break;
                }
            }
            if (signatureValid) {

                // Set the activation record counter to the lowest counter
                // (+1, since the client has incremented the counter)
                activation.setCounter(lowestValidCounter + 1);

                // Reset failed attempt count
                activation.setFailedAttempts(0L);

                // Update the last used date
                activation.setTimestampLastUsed(currentTimestamp);

                // Save the activation
                powerAuthRepository.save(activation);

                auditingServiceBehavior.logSignatureAuditRecord(activation, signatureType, signature, data,
                        true, "signature_ok", currentTimestamp);

                // return the data
                VerifySignatureResponse response = new VerifySignatureResponse();
                response.setActivationId(activationId);
                response.setActivationStatus(ModelUtil.toServiceStatus(ActivationStatus.ACTIVE));
                response.setRemainingAttempts(BigInteger.valueOf(activation.getMaxFailedAttempts()));
                response.setSignatureValid(true);
                response.setUserId(activation.getUserId());

                return response;

            } else {

                // Increment the activation record counter
                activation.setCounter(activation.getCounter() + 1);

                // Update failed attempts and block the activation, if
                // necessary
                activation.setFailedAttempts(activation.getFailedAttempts() + 1);
                Long remainingAttempts = (activation.getMaxFailedAttempts() - activation.getFailedAttempts());
                if (remainingAttempts <= 0) {
                    activation.setActivationStatus(ActivationStatus.BLOCKED);
                }

                // Update the last used date
                activation.setTimestampLastUsed(currentTimestamp);

                // Save the activation
                powerAuthRepository.save(activation);

                auditingServiceBehavior.logSignatureAuditRecord(activation, signatureType, signature, data,
                        false, "signature_does_not_match", currentTimestamp);

                // return the data
                VerifySignatureResponse response = new VerifySignatureResponse();
                response.setActivationId(activationId);
                response.setActivationStatus(ModelUtil.toServiceStatus(activation.getActivationStatus()));
                response.setRemainingAttempts(BigInteger.valueOf(remainingAttempts));
                response.setSignatureValid(false);
                response.setUserId(activation.getUserId());

                return response;

            }

        } else {

            // Despite the fact activation is not in active state, increase
            // the counter
            activation.setCounter(activation.getCounter() + 1);

            // Update the last used date
            activation.setTimestampLastUsed(currentTimestamp);

            // Save the activation
            powerAuthRepository.save(activation);

            auditingServiceBehavior.logSignatureAuditRecord(activation, signatureType, signature, data, false,
                    "activation_invalid_state", currentTimestamp);

            // return the data
            VerifySignatureResponse response = new VerifySignatureResponse();
            response.setActivationId(activationId);
            response.setActivationStatus(ModelUtil.toServiceStatus(ActivationStatus.REMOVED));
            response.setRemainingAttempts(BigInteger.valueOf(0));
            response.setSignatureValid(false);
            response.setUserId("UNKNOWN");

            return response;

        }

    } else { // Activation does not exist

        // return the data
        VerifySignatureResponse response = new VerifySignatureResponse();
        response.setActivationId(activationId);
        response.setActivationStatus(ModelUtil.toServiceStatus(ActivationStatus.REMOVED));
        response.setRemainingAttempts(BigInteger.valueOf(0));
        response.setSignatureValid(false);
        response.setUserId("UNKNOWN");

        return response;

    }
}

From source file:com.aqnote.shared.cryptology.cert.gen.CertGenerator.java

public X509Certificate createClass3EndCert(long sno, X500Name sdn, Map<String, String> exts, PublicKey pubKey,
        KeyPair pKeyPair) throws Exception {
    PublicKey pPubKey = pKeyPair.getPublic();
    PrivateKey pPrivKey = pKeyPair.getPrivate();

    X500Name idn = X500NameUtil.createClass3CaPrincipal();
    BigInteger _sno = BigInteger.valueOf(sno <= 0 ? System.currentTimeMillis() : sno);
    Date nb = new Date(System.currentTimeMillis() - HALF_DAY);
    Date na = new Date(nb.getTime() + FIVE_YEAR);

    X509v3CertificateBuilder certBuilder = new JcaX509v3CertificateBuilder(idn, _sno, nb, na, sdn, pubKey);

    addSubjectKID(certBuilder, pubKey);/*from   w  ww .  j  a va  2 s  .  c o m*/
    addAuthorityKID(certBuilder, pPubKey);
    certBuilder.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(MOST_EKU));
    certBuilder.addExtension(Extension.keyUsage, false, new KeyUsage(END_KEY_USAGE));
    if (exts != null) {
        Set<String> key = exts.keySet();
        for (Iterator<String> it = key.iterator(); it.hasNext();) {
            String oid = it.next();
            String value = exts.get(oid);
            if (!StringUtils.isBlank(value)) {
                certBuilder.addExtension(new ASN1ObjectIdentifier(oid), false,
                        new DEROctetString(value.getBytes()));
            }
        }
    }

    X509Certificate certificate = signCert(certBuilder, pPrivKey);
    certificate.checkValidity(new Date());
    certificate.verify(pPubKey);

    setPKCS9Info(certificate);

    return certificate;
}

From source file:com.aaasec.sigserv.cssigapp.KeyStoreFactory.java

public X509Certificate generateV1Certificate(String subject, char[] ksPass, KeyStore keyStore)
        throws OperatorCreationException, IOException, CertificateException, KeyStoreException,
        NoSuchAlgorithmException {
    KeyPair pair = generateKeyPair();

    BigInteger certSerial = BigInteger.valueOf(System.currentTimeMillis());
    X500Name issuerDN = new X500Name("CN=" + subject);
    X500Name subjectDN = new X500Name("CN=" + subject);
    Date notBefore = new Date(System.currentTimeMillis() - 10000);
    Date notAfter = new Date(System.currentTimeMillis() + 10000);
    PublicKey pubKey = (pair.getPublic());
    X509v1CertificateBuilder certGen = new JcaX509v1CertificateBuilder(issuerDN, certSerial, notBefore,
            notAfter, subjectDN, pubKey);

    ContentSigner signer = new JcaContentSignerBuilder("SHA1withRSA").build(pair.getPrivate());
    byte[] encoded = certGen.build(signer).getEncoded();
    CertificateFactory fact = CertificateFactory.getInstance("X.509");
    InputStream is = new ByteArrayInputStream(encoded);
    X509Certificate generateCertificate = (X509Certificate) fact.generateCertificate(is);
    is.close();//from  w ww. j a va 2 s. c  o  m

    // set the CA cert as trusted root
    X509Certificate[] chain = new X509Certificate[] { generateCertificate };
    addToKeyStore(pair, chain, K_NAME, keyStore, ksPass);

    String certStr = generateCertificate.toString();

    return generateCertificate;
}

From source file:gedi.util.math.stat.distributions.OccupancyNumberDistribution.java

private static final BigInteger factorial(int b) {
    if (b == 0)//from w ww .ja v  a 2  s  .  c  o  m
        return BigInteger.ONE;
    BigInteger re = BigInteger.valueOf(b);
    for (int i = b - 1; i > 1; i--)
        re = re.multiply(BigInteger.valueOf(i));
    return re;
}

From source file:com.workday.autoparse.json.demo.InstanceUpdaterTest.java

@Test
public void testBigNumbersFromStrings() {
    TestObject testObject = new TestObject();
    testObject.myBigDecimal = BigDecimal.valueOf(1.1);
    testObject.myBigInteger = BigInteger.valueOf(1);

    Map<String, Object> updates = new HashMap<>();
    updates.put("myBigDecimal", "2.2");
    updates.put("myBigInteger", "2");

    TestObject$$JsonObjectParser.INSTANCE.updateInstanceFromMap(testObject, updates, CONTEXT);

    assertEquals("myBigDecimal", BigDecimal.valueOf(2.2), testObject.myBigDecimal);
    assertEquals("myBigInteger", BigInteger.valueOf(2), testObject.myBigInteger);
}

From source file:com.github.jrrdev.mantisbtsync.core.jobs.issues.IssuesReadersConfiguration.java

/**
 * Return a reader that gets a list of issues ids from a the job parameter mantis.issues_id.
 * The list of issues ids passed in parameter must be separated by a semi-colon.
 *
 * @param authManager/*from  www .  jav  a2  s  .  c  o  m*/
 *          The portal auth manager
 * @param clientStub
 *          Axis client stub
 * @param userName
 *          MantisBT username. If anonymous access is used, should be an empty string.
 * @param password
 *          MantisBT password. If anonymous access is used, should be an empty string.
 * @param issuesIds
 *          Semi-colon separated list of issues ids
 * @return the reader
 */
@Bean
@StepScope
public ListItemReader<BugIdBean> listIssuesReader(final PortalAuthManager authManager,
        final MantisConnectBindingStub clientStub,
        @Value("#{jobParameters['mantis.username']}") final String userName,
        @Value("#{jobParameters['mantis.password']}") final String password,
        @Value("#{jobParameters['mantis.issues_id']}") final String issuesIds) {

    final List<BugIdBean> itemList = new ArrayList<BugIdBean>();
    if (issuesIds != null && !issuesIds.isEmpty()) {
        final String[] strIds = issuesIds.split(";");
        for (final String strId : strIds) {
            final long idValue = Long.valueOf(strId);
            final BugIdBean bean = new BugIdBean();
            bean.setId(BigInteger.valueOf(idValue));
            itemList.add(bean);
        }
    }

    final ListItemReader<BugIdBean> reader = new ListItemReader<BugIdBean>(itemList);
    return reader;
}

From source file:com.bushstar.htmlcoin_android_wallet.ExchangeRatesProvider.java

public static ExchangeRate getExchangeRate(@Nonnull final Cursor cursor) {
    final String currencyCode = cursor
            .getString(cursor.getColumnIndexOrThrow(ExchangeRatesProvider.KEY_CURRENCY_CODE));
    final BigInteger rate = BigInteger
            .valueOf(cursor.getLong(cursor.getColumnIndexOrThrow(ExchangeRatesProvider.KEY_RATE)));
    final String source = cursor.getString(cursor.getColumnIndexOrThrow(ExchangeRatesProvider.KEY_SOURCE));

    return new ExchangeRate(currencyCode, rate, source);
}

From source file:Ternary.java

public BigInteger toBigInteger() {
    BigInteger toRet = BigInteger.ZERO;
    BigInteger curr;/*w w w .  j ava2s.co  m*/
    for (int pos = 0; pos < trits.size(); pos++) {
        curr = (biThree.pow(pos)).multiply(BigInteger.valueOf(getTrit(pos).toInt()));
        toRet = toRet.add(curr);
    }

    return toRet;
}

From source file:com.peterphi.std.crypto.keygen.CaHelper.java

/**
 * @param certificatePublicKey//from w w w.  ja  v a 2  s  .com
 * @param caPrivateKey
 * @param issuer
 * @param subject
 *
 * @return
 */
public static X509Certificate generateServerCertificate(PublicKey certificatePublicKey, PrivateKey caPrivateKey,
        X509Name issuer, X509Name subject) throws Exception {
    X509Certificate cert = null;

    X509V3CertificateGenerator gen = new X509V3CertificateGenerator();
    gen.setIssuerDN(issuer);
    gen.setSubjectDN(subject);
    setNotBeforeNotAfter(gen, 10); // validity from 48 hours in the past until 10 years in the future
    gen.setPublicKey(certificatePublicKey);
    gen.setSignatureAlgorithm(getSignatureAlgorithm());
    gen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    gen = addSSLServerExtensions(gen);

    cert = gen.generate(caPrivateKey, "BC");
    return cert;
}

From source file:burstcoin.jminer.core.round.Round.java

/**
 * Handle message.//from   ww  w  .  j  a v a  2 s.c  om
 *
 * @param event the event
 */
@EventListener
public void handleMessage(CheckerResultEvent event) {
    if (blockNumber == event.getBlockNumber()) {
        // check new lowest result
        if (event.getResult() != null) {
            long nonce = event.getNonce();
            BigInteger deadline = event.getResult().divide(BigInteger.valueOf(baseTarget));
            long calculatedDeadline = deadline.longValue();

            if (devPool) {
                if (calculatedDeadline < targetDeadline) {
                    // remember for next triggered commit
                    devPoolResults.add(new DevPoolResult(event.getBlockNumber(), calculatedDeadline,
                            event.getNonce(), event.getChunkPartStartNonce()));
                } else {
                    // todo there will be a lot of skipped, makes no sense, cause lowest not used here, remove or make adjustable by setting.
                    //            publisher.publishEvent(new RoundSingleResultSkippedEvent(this, event.getBlockNumber(), nonce, event.getChunkPartStartNonce(), calculatedDeadline,
                    //                                                                     targetDeadline, poolMining));
                    runningChunkPartStartNonces.remove(event.getChunkPartStartNonce());
                    triggerFinishRoundEvent(event.getBlockNumber());
                }
            } else {
                if (event.getResult().compareTo(lowest) < 0) {
                    lowest = event.getResult();
                    if (calculatedDeadline < targetDeadline) {
                        network.commitResult(blockNumber, calculatedDeadline, nonce,
                                event.getChunkPartStartNonce(), plots.getSize());

                        // ui event
                        fireEvent(new RoundSingleResultEvent(this, event.getBlockNumber(), nonce,
                                event.getChunkPartStartNonce(), calculatedDeadline, poolMining));
                    } else {
                        // ui event
                        fireEvent(new RoundSingleResultSkippedEvent(this, event.getBlockNumber(), nonce,
                                event.getChunkPartStartNonce(), calculatedDeadline, targetDeadline,
                                poolMining));
                        // chunkPartStartNonce finished
                        runningChunkPartStartNonces.remove(event.getChunkPartStartNonce());
                        triggerFinishRoundEvent(event.getBlockNumber());
                    }
                } else {
                    // chunkPartStartNonce finished
                    runningChunkPartStartNonces.remove(event.getChunkPartStartNonce());
                    triggerFinishRoundEvent(event.getBlockNumber());
                }
            }
        } else {
            LOG.error("CheckerResultEvent result == null");
        }
    } else {
        LOG.trace("event for previous block ...");
    }
}