Example usage for java.math BigInteger ONE

Introduction

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

Prototype

BigInteger ONE

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Document

The BigInteger constant one.

Usage

From source file:com.mastercard.mcbp.utils.crypto.CryptoServiceImpl.java

/**
 * {@inheritDoc}/*from  ww w . j a  v a  2 s.c  o m*/
 */
@Override
public final int initRsaPrivateKey(final ByteArray primeP, final ByteArray primeQ,
        final ByteArray primeExponentP, final ByteArray primeExponentQ, final ByteArray crtCoefficient)
        throws McbpCryptoException {
    try {
        final BigInteger p = new BigInteger(primeP.toHexString(), 16);
        final BigInteger q = new BigInteger(primeQ.toHexString(), 16);
        final BigInteger dp = new BigInteger(primeExponentP.toHexString(), 16);
        final BigInteger dq = new BigInteger(primeExponentQ.toHexString(), 16);
        final BigInteger a = new BigInteger(crtCoefficient.toHexString(), 16);

        final BigInteger n = p.multiply(q);
        final BigInteger e = dp.modInverse(p.subtract(BigInteger.ONE));

        final BigInteger d = e.modInverse(p.subtract(BigInteger.ONE).multiply(q.subtract(BigInteger.ONE))
                .divide((p.subtract(BigInteger.ONE)).gcd(q.subtract(BigInteger.ONE))));

        final RSAPrivateKey rsaKey = (RSAPrivateKey) KeyFactory.getInstance("RSA")
                .generatePrivate(new RSAPrivateCrtKeySpec(n, e, d, p, q, dp, dq, a));

        initRsaPrivate(rsaKey);

        return n.bitLength() / 8;

    } catch (final NoSuchAlgorithmException | InvalidKeySpecException e) {
        throw new McbpCryptoException(e.toString());
    }
}

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From source file:org.candlepin.util.X509CRLStreamWriter.java

protected void writeToEmptyCrl(OutputStream out) throws IOException {
    ASN1InputStream asn1in = null;
    try {/*from   w  w w  . j  a  va 2s . c om*/
        asn1in = new ASN1InputStream(crlIn);
        DERSequence certListSeq = (DERSequence) asn1in.readObject();
        CertificateList certList = new CertificateList(certListSeq);
        X509CRLHolder oldCrl = new X509CRLHolder(certList);

        X509v2CRLBuilder crlBuilder = new X509v2CRLBuilder(oldCrl.getIssuer(), new Date());
        crlBuilder.addCRL(oldCrl);

        Date now = new Date();
        Date oldNextUpdate = certList.getNextUpdate().getDate();
        Date oldThisUpdate = certList.getThisUpdate().getDate();

        Date nextUpdate = new Date(now.getTime() + (oldNextUpdate.getTime() - oldThisUpdate.getTime()));
        crlBuilder.setNextUpdate(nextUpdate);

        for (Object o : oldCrl.getExtensionOIDs()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) o;
            X509Extension ext = oldCrl.getExtension(oid);

            if (oid.equals(X509Extension.cRLNumber)) {
                DEROctetString octet = (DEROctetString) ext.getValue().getDERObject();
                DERInteger currentNumber = (DERInteger) DERTaggedObject.fromByteArray(octet.getOctets());
                DERInteger nextNumber = new DERInteger(currentNumber.getValue().add(BigInteger.ONE));

                crlBuilder.addExtension(oid, ext.isCritical(), nextNumber);
            } else if (oid.equals(X509Extension.authorityKeyIdentifier)) {
                crlBuilder.addExtension(oid, ext.isCritical(),
                        new AuthorityKeyIdentifierStructure(ext.getValue().getDEREncoded()));
            }
        }

        for (DERSequence entry : newEntries) {
            // XXX: This is all a bit messy considering the user already passed in the serial, date
            // and reason.
            BigInteger serial = ((DERInteger) entry.getObjectAt(0)).getValue();
            Date revokeDate = ((Time) entry.getObjectAt(1)).getDate();
            int reason = CRLReason.unspecified;
            if (entry.size() == 3) {
                X509Extensions extensions = (X509Extensions) entry.getObjectAt(2);
                X509Extension reasonExt = extensions.getExtension(X509Extension.reasonCode);

                if (reasonExt != null) {
                    reason = ((DEREnumerated) reasonExt.getParsedValue()).getValue().intValue();
                }
            }
            crlBuilder.addCRLEntry(serial, revokeDate, reason);
        }

        RSAKeyParameters keyParams = new RSAKeyParameters(true, key.getModulus(), key.getPrivateExponent());

        signingAlg = oldCrl.toASN1Structure().getSignatureAlgorithm();
        digestAlg = new DefaultDigestAlgorithmIdentifierFinder().find(signingAlg);

        ContentSigner s;
        try {
            s = new BcRSAContentSignerBuilder(signingAlg, digestAlg).build(keyParams);
            X509CRLHolder newCrl = crlBuilder.build(s);
            out.write(newCrl.getEncoded());
        } catch (OperatorCreationException e) {
            throw new IOException("Could not sign CRL", e);
        }
    } finally {
        IOUtils.closeQuietly(asn1in);
    }
}

---

From source file:com.amazonaws.services.kinesis.clientlibrary.lib.worker.ShardConsumerTest.java

/**
 * Test method for {@link ShardConsumer#consumeShard()} that starts from initial position of type AT_TIMESTAMP.
 *///from www. j a va2s . c o  m
@Test
public final void testConsumeShardWithInitialPositionAtTimestamp() throws Exception {
    int numRecs = 7;
    BigInteger startSeqNum = BigInteger.ONE;
    Date timestamp = new Date(KinesisLocalFileDataCreator.STARTING_TIMESTAMP + 3);
    InitialPositionInStreamExtended atTimestamp = InitialPositionInStreamExtended
            .newInitialPositionAtTimestamp(timestamp);
    String streamShardId = "kinesis-0-0";
    String testConcurrencyToken = "testToken";
    File file = KinesisLocalFileDataCreator.generateTempDataFile(1, "kinesis-0-", numRecs, startSeqNum,
            "unitTestSCT002");

    IKinesisProxy fileBasedProxy = new KinesisLocalFileProxy(file.getAbsolutePath());

    final int maxRecords = 2;
    final int idleTimeMS = 0; // keep unit tests fast
    ICheckpoint checkpoint = new InMemoryCheckpointImpl(startSeqNum.toString());
    checkpoint.setCheckpoint(streamShardId, ExtendedSequenceNumber.AT_TIMESTAMP, testConcurrencyToken);
    when(leaseManager.getLease(anyString())).thenReturn(null);

    TestStreamlet processor = new TestStreamlet();

    StreamConfig streamConfig = new StreamConfig(fileBasedProxy, maxRecords, idleTimeMS,
            callProcessRecordsForEmptyRecordList, skipCheckpointValidationValue, atTimestamp);

    ShardInfo shardInfo = new ShardInfo(streamShardId, testConcurrencyToken, null,
            ExtendedSequenceNumber.TRIM_HORIZON);
    ShardConsumer consumer = new ShardConsumer(shardInfo, streamConfig, checkpoint, processor, leaseManager,
            parentShardPollIntervalMillis, cleanupLeasesOfCompletedShards, executorService, metricsFactory,
            taskBackoffTimeMillis,
            KinesisClientLibConfiguration.DEFAULT_SKIP_SHARD_SYNC_AT_STARTUP_IF_LEASES_EXIST);

    assertThat(consumer.getCurrentState(),
            is(equalTo(ConsumerStates.ShardConsumerState.WAITING_ON_PARENT_SHARDS)));
    consumer.consumeShard(); // check on parent shards
    Thread.sleep(50L);
    consumer.consumeShard(); // start initialization
    assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.INITIALIZING)));
    consumer.consumeShard(); // initialize
    Thread.sleep(50L);

    // We expect to process all records in numRecs calls
    for (int i = 0; i < numRecs;) {
        boolean newTaskSubmitted = consumer.consumeShard();
        if (newTaskSubmitted) {
            LOG.debug("New processing task was submitted, call # " + i);
            assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.PROCESSING)));
            // CHECKSTYLE:IGNORE ModifiedControlVariable FOR NEXT 1 LINES
            i += maxRecords;
        }
        Thread.sleep(50L);
    }

    assertThat(processor.getShutdownReason(), nullValue());
    consumer.beginShutdown();
    Thread.sleep(50L);
    assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTTING_DOWN)));
    consumer.beginShutdown();
    assertThat(consumer.getCurrentState(), is(equalTo(ConsumerStates.ShardConsumerState.SHUTDOWN_COMPLETE)));
    assertThat(processor.getShutdownReason(), is(equalTo(ShutdownReason.ZOMBIE)));

    executorService.shutdown();
    executorService.awaitTermination(60, TimeUnit.SECONDS);

    String iterator = fileBasedProxy.getIterator(streamShardId, timestamp);
    List<Record> expectedRecords = toUserRecords(fileBasedProxy.get(iterator, numRecs).getRecords());
    verifyConsumedRecords(expectedRecords, processor.getProcessedRecords());
    assertEquals(4, processor.getProcessedRecords().size());
    file.delete();
}

---

From source file:com.vvote.verifier.component.votePacking.VotePackingDataStore.java

/**
 * Loads the padding points to be used after vote packing has taken place to
 * ensure all packed votes have the same number of columns
 * //w w  w . j ava 2 s. c  o  m
 * @return true if the padding points are loaded correctly
 * @throws JSONException
 * @throws JSONIOException
 */
private boolean loadPaddingPoints() throws JSONException, JSONIOException {
    String paddingPointFile = IOUtils.findFile(this.getVotePackingConfig().getPaddingFile(),
            this.getBasePath());

    // read padding point for padding the reordered packed plaintext
    // candidate ids
    this.paddingPoint = ECUtils.constructECPointFromJSON(IOUtils.readJSONObjectFromFile(paddingPointFile));

    this.encryptedPaddingPoint = ECUtils.encrypt(this.paddingPoint, this.getPublicKey(), BigInteger.ONE);

    return true;
}

---

From source file:org.qi4j.runtime.value.CollectionTypeTest.java

private Collection<BigInteger> bigIntegerCollection() {
    Collection<BigInteger> value = new ArrayList<BigInteger>();
    value.add(new BigInteger("-1"));
    value.add(BigInteger.ZERO);/*from   ww  w  . j a v  a 2  s  .co m*/
    value.add(BigInteger.ONE);
    value.add(null);
    value.add(BigInteger.TEN);
    value.add(new BigInteger("-1827368263823729372397239829332"));
    value.add(new BigInteger("2398723982982379827373972398723"));
    return value;
}

---

From source file:com.otterca.common.crypto.acceptance.X509CertificateBuilderAcceptanceTest.java

/**
 * Test builder when missing serial number.
 * //w  ww .  java 2s  .  c om
 * @throws Exception
 */
@Test(expectedExceptions = X509CertificateBuilderException.class)
public void testBuilderMissingSerialNumber() throws GeneralSecurityException {
    serial = serial.add(BigInteger.ONE);
    builder.setSubject(SUBJECT_NAME);
    builder.setIssuer(SUBJECT_NAME);
    builder.setNotBefore(notBefore.getTime());
    builder.setNotAfter(notAfter.getTime());
    builder.setPublicKey(keyPair.getPublic());
    builder.build(keyPair.getPrivate());
}

---

From source file:com.amazonaws.services.kinesis.clientlibrary.proxies.KinesisLocalFileProxy.java

/**
 * {@inheritDoc}/*  w w  w.j  a v  a 2  s.c  o m*/
 */
@Override
public PutRecordResult put(String exclusiveMinimumSequenceNumber, String explicitHashKey, String partitionKey,
        ByteBuffer data) throws ResourceNotFoundException, InvalidArgumentException {
    PutRecordResult output = new PutRecordResult();

    BigInteger startingPosition = BigInteger.ONE;

    if (exclusiveMinimumSequenceNumber != null) {
        startingPosition = new BigInteger(exclusiveMinimumSequenceNumber).add(BigInteger.ONE);
    }

    output.setSequenceNumber(startingPosition.toString());
    return output;
}

---

From source file:com.otterca.common.crypto.acceptance.X509CertificateBuilderAcceptanceTest.java

/**
 * Test builder when missing subject./*from w w  w .jav  a2 s.  c o  m*/
 * 
 * @throws Exception
 */
@Test(expectedExceptions = X509CertificateBuilderException.class)
public void testBuilderMissingSubject() throws GeneralSecurityException {
    serial = serial.add(BigInteger.ONE);
    builder.setSerialNumber(serial);
    builder.setIssuer(ISSUER_NAME);
    builder.setNotBefore(notBefore.getTime());
    builder.setNotAfter(notAfter.getTime());
    builder.setPublicKey(keyPair.getPublic());
    builder.build(keyPair.getPrivate());
}

---

From source file:eu.dety.burp.joseph.attacks.bleichenbacher_pkcs1.BleichenbacherPkcs1DecryptionAttackExecutor.java

private BigInteger step3ComputeUpperBound(final BigInteger s, final BigInteger modulus,
        final BigInteger upperIntervalBound) {
    BigInteger upperBound = upperIntervalBound.multiply(s);
    upperBound = upperBound.subtract(BigInteger.valueOf(2).multiply(bigB));
    // ceil/*from w w w . ja v  a  2s.c om*/
    BigInteger[] tmp = upperBound.divideAndRemainder(modulus);
    if (BigInteger.ZERO.compareTo(tmp[1]) != 0) {
        upperBound = BigInteger.ONE.add(tmp[0]);
    } else {
        upperBound = tmp[0];
    }

    return upperBound;
}

---

From source file:org.candlepin.util.X509CRLStreamWriterTest.java

@Test
public void testIncrementsExtensions() throws Exception {
    File crlToChange = writeCRL(createCRL());

    X509CRLStreamWriter stream = new X509CRLStreamWriter(crlToChange, (RSAPrivateKey) keyPair.getPrivate(),
            (RSAPublicKey) keyPair.getPublic());
    stream.preScan(crlToChange).lock();//from   w  w  w . ja  v  a2  s .  c o  m
    OutputStream o = new BufferedOutputStream(new FileOutputStream(outfile));
    stream.write(o);
    o.close();

    X509CRL changedCrl = readCRL();

    byte[] val = changedCrl.getExtensionValue(X509Extension.cRLNumber.getId());
    DEROctetString s = (DEROctetString) DERTaggedObject.fromByteArray(val);
    DERInteger i = (DERInteger) DERTaggedObject.fromByteArray(s.getOctets());

    assertTrue("CRL Number not incremented", i.getValue().compareTo(BigInteger.ONE) > 0);
}

---

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