Example usage for org.apache.commons.codec.binary Hex encodeHex

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Hex encodeHex.

Prototype

public static char[] encodeHex(byte[] data) 

Source Link

Document

Converts an array of bytes into an array of characters representing the hexadecimal values of each byte in order.

Usage

From source file:info.magnolia.module.files.MD5CheckingFileExtractorOperation.java

protected String retrieveMD5(DigestInputStream md5Stream) {
    final byte[] digInBytes = md5Stream.getMessageDigest().digest();
    return String.valueOf(Hex.encodeHex(digInBytes));
}

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From source file:com.beligum.core.utils.Toolkit.java

public static String hash(String password, String salt) {
    KeySpec spec = new PBEKeySpec(password.toCharArray(), salt.getBytes(), 2048, 160);
    try {//w w w .jav  a 2  s. c o m
        SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
        byte[] hash = f.generateSecret(spec).getEncoded();
        return new String(Hex.encodeHex(hash));
    } catch (Exception e) {
        return null;
    }

}

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From source file:com.glaf.core.security.RSAUtils.java

/**
 * /* w  w w.  j  a  v  a2 s  . c  o m*/
 * <p />
 *  {@code publicKey}  {@code null} {@code plaintext}  {@code null}
 *  {@code null}
 * 
 * @param publicKey
 *            
 * @param plaintext
 *            
 * @return 
 */
public static String encryptString(PublicKey publicKey, String plaintext) {
    if (publicKey == null || plaintext == null) {
        return null;
    }
    byte[] data = plaintext.getBytes();
    try {
        byte[] en_data = encrypt(publicKey, data);
        return new String(Hex.encodeHex(en_data));
    } catch (Exception ex) {
        LOGGER.error(ex.getCause().getMessage());
    }
    return null;
}

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From source file:eu.planets_project.tb.utils.ExperimentUtils.java

/**
 * Computes the MD5 hash of an input stream.
 * @param in The input stream to hash./*from ww  w.ja  v  a  2 s.c  om*/
 * @return The MD% hash, encoded as a hex string.
 */
public static String computeFixity(InputStream in) {
    MessageDigest md;
    try {
        md = MessageDigest.getInstance(FIXITY_ALG);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return "";
    }
    // Go through the input stream and digest.
    byte buf[] = new byte[8192];
    int n;
    try {
        while ((n = in.read(buf)) > 0) {
            md.update(buf, 0, n);
        }
    } catch (IOException e) {
        e.printStackTrace();
        return "";
    }
    byte hash[] = md.digest();
    return new String(Hex.encodeHex(hash));

}

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From source file:edu.harvard.iq.dataverse.ingest.tabulardata.impl.plugins.dta.DTAFileReaderSpi.java

@Override
public boolean canDecodeInput(File file) throws IOException {
    if (file == null) {
        throw new IllegalArgumentException("file == null!");
    }//from w  w  w.  j a  v  a 2 s .co m
    if (!file.canRead()) {
        throw new IIOException("cannot read the input file");
    }

    // set-up a FileChannel instance for a given file object
    FileChannel srcChannel = new FileInputStream(file).getChannel();

    // create a read-only MappedByteBuffer
    MappedByteBuffer buff = srcChannel.map(FileChannel.MapMode.READ_ONLY, 0, DTA_HEADER_SIZE);

    //printHexDump(buff, "hex dump of the byte-buffer");

    buff.rewind();

    dbgLog.fine("applying the dta test\n");

    byte[] hdr4 = new byte[4];
    buff.get(hdr4, 0, 4);

    dbgLog.fine("hex dump: 1st 4bytes =>" + new String(Hex.encodeHex(hdr4)) + "<-");

    if (hdr4[2] != 1) {
        dbgLog.fine("3rd byte is not 1: given file is not stata-dta type");
        return false;
    } else if ((hdr4[1] != 1) && (hdr4[1] != 2)) {
        dbgLog.fine("2nd byte is neither 0 nor 1: this file is not stata-dta type");
        return false;
    } else if (!stataReleaseNumber.containsKey(hdr4[0])) {
        dbgLog.fine("1st byte (" + hdr4[0]
                + ") is not within the ingestable range [rel. 3-10]: this file is NOT stata-dta type");
        return false;
    } else {
        dbgLog.fine("this file is stata-dta type: " + stataReleaseNumber.get(hdr4[0]) + "(No in HEX=" + hdr4[0]
                + ")");
        return true;
    }
}

---

From source file:net.padlocksoftware.padlock.validator.ValidatorTest.java

License:asdf

@Test
public void testExpiredFloat() throws Exception {
    KeyPair pair = KeyManager.createKeyPair();
    License license = LicenseFactory.createLicense();
    license.setFloatingExpirationPeriod(1L);
    LicenseSigner signer = LicenseSigner.createLicenseSigner((DSAPrivateKey) pair.getPrivate());
    signer.sign(license);//from  ww w. j av a 2s  . c  o  m

    String key = new String(Hex.encodeHex(pair.getPublic().getEncoded()));
    Validator validator = new Validator(license, key);

    validator.validate();

    boolean ex = false;
    try {
        validator.validate();
    } catch (ValidatorException e) {
        ex = true;
    }
    assertTrue(ex);
}

---

From source file:de.innovationgate.webgate.api.jdbc.filehandling.CS5P4FileHandling.java

public ContentFileContent storeFileContents(CS41FileEntityDescriptor descriptor, InputStream in,
        Session session, MessageDigest digestMd5, MessageDigest digestSha512)
        throws IOException, InstantiationException, IllegalAccessException, WGAPIException {
    int partnr = 0;
    byte[] buffer = new byte[CS41FileAttachmentHandler.ATTACHMENT_FILEPART_SIZE];
    int len = in.read(buffer);
    int totalLen = 0;

    // Create file contents entity
    ContentFileContent fileContents = new ContentFileContent();
    fileContents.setOrdinalnr(getParent().incrementSystemSequence(ORDINAL_NUMBER_SEQUENCE_NAME));
    session.save(fileContents);//www  .j  a v  a 2  s  .  c o m

    while (len > 0) {
        totalLen += len;

        // create new file part
        AttachmentFilePart part = descriptor.createFilePart(fileContents);
        part.setPartnr(partnr);

        Blob data = Hibernate.getLobCreator(session).createBlob(new ByteArrayInputStream(buffer, 0, len), len);
        part.setData(data);

        // store file part
        session.save(part);
        session.flush();
        session.evict(part);

        // update digests
        digestMd5.update(buffer, 0, len);
        digestSha512.update(buffer, 0, len);

        // read next part from inputstream
        partnr++;
        len = in.read(buffer);

    }

    String checksumSha512 = new String(Hex.encodeHex(digestSha512.digest()));

    // Store file data on contents entity
    fileContents.setChecksumSha512(checksumSha512);
    fileContents.setSize(totalLen);
    if (getParent().isSaveIsolationActive()) {
        session.update(fileContents);
    }
    return fileContents;
}

---

From source file:de.longri.cachebox3.Utils.java

/**
 * Returns the MD5 hash from given fileHandle, or an empty String with any Exception
 *
 * @param fileHandle/*w  ww .j av a2s  .c  o  m*/
 * @return
 */
public static String getMd5(FileHandle fileHandle) {

    try {
        final MessageDigest md = MessageDigest.getInstance("MD5");
        final byte[] bytes = new byte[2048];
        int numBytes;
        InputStream inputStream = fileHandle.read();
        while ((numBytes = inputStream.read(bytes)) != -1) {
            md.update(bytes, 0, numBytes);
        }
        inputStream.close();
        return new String(Hex.encodeHex(md.digest()));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

---

From source file:com.impetus.client.crud.datatypes.ByteDataTest.java

/**
 * On insert pdf in cassandra blob object
 * /*ww w  .ja  v a  2  s  .c  om*/
 * @throws Exception
 *             the exception
 */
@Test
public void onInsertBlobPdfCassandra() throws Exception {

    try {

        FileInputStream fileInputStream = null;

        File file = new File("src/test/resources/persistence.pdf");

        byte[] bFile = new byte[(int) file.length()];

        PersonCassandra personWithKey = new PersonCassandra();
        personWithKey.setPersonId("111");
        // convert file into array of bytes
        fileInputStream = new FileInputStream(file);
        fileInputStream.read(bFile);
        fileInputStream.close();

        personWithKey.setA(bFile);
        em.persist(personWithKey);
        em.clear();

        String qry = "Select p from PersonCassandra p where p.personId = 111";
        Query q = em.createQuery(qry);
        List<PersonCassandra> persons = q.getResultList();
        PersonCassandra person = persons.get(0);

        // convert array of bytes into file
        FileOutputStream fileOuputStream = new FileOutputStream("src/test/resources/persistence-test.pdf");
        fileOuputStream.write(person.getA());
        fileOuputStream.close();

        Assert.assertNotNull(person.getA());
        Assert.assertEquals(new File("src/test/resources/persistence.pdf").getTotalSpace(),
                new File("src/test/resources/persistence-test.pdf").getTotalSpace());
        Assert.assertTrue(isFileBinaryEqual(new File("src/test/resources/persistence.pdf"),
                new File("src/test/resources/persistence-test.pdf")));
        Assert.assertEquals(String.valueOf(Hex.encodeHex((byte[]) bFile)),
                String.valueOf(Hex.encodeHex((byte[]) person.getA())));

    } catch (Exception e) {

    }

}

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From source file:me.footlights.core.crypto.SecretKey.java

private SecretKey(SecretKeySpec key, Fingerprint fingerprint) {
    this.keySpec = key;
    this.fingerprint = fingerprint;

    String algorithm = keySpec.getAlgorithm();
    String keyData = new String(Hex.encodeHex(keySpec.getEncoded()));

    try {//from w w  w .jav  a  2 s .com
        this.uri = new URI(algorithm, keyData, null);
    } catch (URISyntaxException e) {
        throw new IllegalArgumentException("Unable to generate symmetric key URI " + algorithm + ":" + keyData,
                e);
    }
}

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