Example usage for org.apache.commons.codec.binary Base64 Base64

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Base64 Base64.

Prototype

public Base64() 

Source Link

Document

Creates a Base64 codec used for decoding (all modes) and encoding in URL-unsafe mode.

Usage

From source file:com.aol.webservice_base.cache.CacheManager.java

protected String hashKey(String key, String hashMechanism) {
    try {//from w w w  . j  a  v a 2s.co  m
        MessageDigest md = MessageDigest.getInstance(hashMechanism);
        md.update(key.getBytes());
        Base64 b64 = new Base64();
        return new String(b64.encode(md.digest()), "UTF-8");
    } catch (Exception e) {
        logger.error("Problem hashing: " + key + " with " + hashMechanism);
        e.printStackTrace();
        return null;
    }
}

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From source file:fr.aliasource.webmail.server.proxy.client.http.UploadAttachmentMethod.java

public void upload(String attachementId, AttachmentMetadata meta, InputStream attachement) {
    logger.info("Pushing attachment to backend. " + attachementId + " fn: " + meta.getFileName() + " size: "
            + meta.getSize() + " mime: " + meta.getMime());
    Map<String, String> params = new HashMap<String, String>();
    params.put("token", token);

    params.put("id", attachementId);
    params.put("filename", meta.getFileName());
    params.put("size", "" + meta.getSize());
    params.put("mime", meta.getMime());

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {/* ww w. j a  v a  2 s. c  om*/
        transfer(attachement, out, true);
        Base64 encoder = new Base64();
        String encoded = new String(encoder.encode(out.toByteArray()));
        out = null;
        params.put("content", encoded);
        executeVoid(params);
    } catch (Exception e) {
        logger.error("Error encoding attachment as base64", e);
    }
}

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From source file:inti.util.Base64OutputByteBufferTest.java

public void writeSmallDataSmallBuffer(String str) throws Exception {
    byte[] data = new String(str).getBytes(UTF_8);
    int bufferSize = 32;
    ByteBuffer buffer;//from www  .j  a va  2  s  . c  om

    base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
            Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

    base64OutputByteBuffer.write(data);
    base64OutputByteBuffer.flush();
    buffer = base64OutputByteBuffer.getByteBuffer();

    assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());

    base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
            Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

    for (int i = 0; i < data.length; i++) {
        base64OutputByteBuffer.write(data[i]);
    }
    base64OutputByteBuffer.flush();
    buffer = base64OutputByteBuffer.getByteBuffer();

    assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());

    if (data.length % 2 == 0) {
        base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
                Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

        for (int i = 0; i < data.length; i += 2) {
            base64OutputByteBuffer.write(new byte[] { data[i], data[i + 1] });
        }
        base64OutputByteBuffer.flush();
        buffer = base64OutputByteBuffer.getByteBuffer();

        assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());
    }
}

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From source file:adminpassword.Encryption.java

public String encrypt(String word, String idKey) throws Exception {

    byte[] ivBytes;
    String password = idKey; //you can give whatever you want. This is for testing purpose
    SecureRandom random = new SecureRandom();
    byte bytes[] = new byte[20];
    random.nextBytes(bytes);//w w  w .  j a va  2  s  . c  o  m

    byte[] saltBytes = bytes;

    // Derive the key
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), saltBytes, 65556, 256);
    SecretKey secretKey = factory.generateSecret(spec);
    SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES");

    //encrypting the word
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, secret);
    AlgorithmParameters params = cipher.getParameters();
    ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV();
    byte[] encryptedTextBytes = cipher.doFinal(word.getBytes("UTF-8"));

    //prepend salt and vi
    byte[] buffer = new byte[saltBytes.length + ivBytes.length + encryptedTextBytes.length];
    System.arraycopy(saltBytes, 0, buffer, 0, saltBytes.length);
    System.arraycopy(ivBytes, 0, buffer, saltBytes.length, ivBytes.length);
    System.arraycopy(encryptedTextBytes, 0, buffer, saltBytes.length + ivBytes.length,
            encryptedTextBytes.length);
    return new Base64().encodeToString(buffer);
}

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From source file:fr.aliasource.webmail.attachments.UploadAttachmentAction.java

public void execute(IProxy p, IParameterSource req, IResponder responder) {
    String filename = req.getParameter("filename");
    String id = req.getParameter("id");
    String size = req.getParameter("size");
    String mime = req.getParameter("mime");

    IAccount account = p.getAccount();//w  w  w. j av  a2  s. c o  m
    AttachmentManager mgr = account.getAttachementManager();

    Map<String, String> metadata = new HashMap<String, String>();
    metadata.put(AttachmentManager.META_FILENAME, filename);
    metadata.put(AttachmentManager.META_SIZE, size);
    metadata.put(AttachmentManager.META_MIME, mime);
    metadata.put(AttachmentManager.META_CONTENT_ID, "");

    Base64 decoder = new Base64();
    String contentB64 = req.getParameter("content");
    byte[] decoded = decoder.decode(contentB64.getBytes());

    try {
        mgr.store(id, metadata, new ByteArrayInputStream(decoded));
        logger.info("Attachment " + id + ": " + filename + " " + size + " " + mime + " uploaded.");
    } catch (Exception e) {
        logger.error("Error storing attachment on server", e);
    }
}

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From source file:com.credomatic.gprod.db2query2csv.Security.java

/**
 * Cifra una cadena de carateres utilizando el algoritmo AES y una llave (128, 256, o 512 bits). 
 * @param KeySize tamao de la llave autogenerada para relizar el cifrado
 * @param value cadena de caracteres que sera cifrada
 * @return instancia de tipo ${@link SecurityParams} con el resultado del proceso de cifrado
 *///from  www . j  av a 2 s. c o m
public static SecurityParams encrypt(int KeySize, String value) {

    SecurityParams result = null;
    try {
        // Get the KeyGenerator
        final KeyGenerator kgen = KeyGenerator.getInstance("AES");
        kgen.init(KeySize);

        // Generate the secret key specs.
        final SecretKey skey = kgen.generateKey();
        final byte[] raw = skey.getEncoded();
        final SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
        final Cipher cipher = Cipher.getInstance("AES");

        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
        final String key = new Base64().encodeAsString(raw);
        final String encrypt = (new Base64()).encodeAsString(cipher.doFinal(value.getBytes()));

        result = new SecurityParams(encrypt, key, KeySize);

    } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException
            | BadPaddingException ex) {
        Logger.getLogger(Security.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result;
}

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From source file:adminpassword.AESDemo.java

@SuppressWarnings("static-access")
public String decrypt(String encryptedText) throws Exception {

    byte[] saltBytes = salt.getBytes("UTF-8");
    byte[] encryptedTextBytes = new Base64().decodeBase64(encryptedText);

    // Derive the key
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), saltBytes, pswdIterations, keySize);

    SecretKey secretKey = factory.generateSecret(spec);
    SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES");

    // Decrypt the message
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes));

    byte[] decryptedTextBytes = null;
    try {/*  w ww . j a  va 2 s.  c  o m*/
        decryptedTextBytes = cipher.doFinal(encryptedTextBytes);
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }

    return new String(decryptedTextBytes);
}

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From source file:eu.serco.dhus.config.ConfigurationManager.java

public static String getHashedConnectionString() {
    String hashedString = "";
    try {//w w w  . ja  va  2  s  .c om
        String unhashedString = getExternalDHuSUsername() + ":" + getExternalDHuSPassword();
        Base64 base64 = new Base64();
        hashedString = (String) base64.encodeToString(unhashedString.getBytes());
    } catch (Exception e) {
        logger.error("Error retrieving Hashed Connection String");
        e.printStackTrace();
    }
    return hashedString;
}

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From source file:net.mobid.codetraq.utils.PasswordProcessor.java

/**
 * Encrypts a text using the <code>passPhrase</code> above and an algorithm supported
 * by your virtual machine implementation. You can change the default algorithm with
 * another algorithm, but please make sure your virtual machine supports it.
 * @param valueToEncrypt - text to encrypt
 * @return an encrypted, Base64 encoded text
 *///w  w  w.  jav a2  s  . com
public static String encryptString(String valueToEncrypt) {
    String output = null;
    try {
        KeySpec keySpec = new PBEKeySpec(passPhrase.toCharArray(), salt, iterations);
        SecretKey secretKey = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(keySpec);
        Cipher cipher = Cipher.getInstance(secretKey.getAlgorithm());
        AlgorithmParameterSpec paramSpec = new PBEParameterSpec(salt, iterations);
        cipher.init(Cipher.ENCRYPT_MODE, secretKey, paramSpec);
        // begin encrypting...
        byte[] byteToEncrypt = valueToEncrypt.getBytes("UTF8");
        byte[] encrypted = cipher.doFinal(byteToEncrypt);
        output = new Base64().encodeToString(encrypted);
    } catch (Exception ex) {
        Logger.getLogger(PasswordProcessor.class.getName()).log(Level.SEVERE, null, ex);
    }
    return output;
}

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From source file:inti.util.Base64OutputByteBufferPerformanceTest.java

public void writePerformance(int count, int bufferSize) throws Exception {
    Base64OutputByteBuffer output = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
            Base64OutputByteBuffer.DEFAULT_PADDING, 104857600);
    byte[] data;//  w  w w.j  a  v  a  2s .c om
    long start, end;
    Base64 b64 = new Base64();
    StringBuilder message = new StringBuilder();

    for (int i = 0; i < bufferSize / 10; i++) {
        message.append("0123456789");
    }
    data = message.toString().getBytes(Charset.forName("utf-8"));

    for (int i = 0; i < 10; i++) {
        output.reset();
        output.write(data);
        output.flush();
    }

    for (int i = 0; i < 100; i++) {
        Thread.sleep(10);
    }

    start = System.currentTimeMillis();
    for (int i = 0; i < count; i++) {
        output.reset();
        output.write(data);
        output.flush();
    }
    end = System.currentTimeMillis();
    output.close();

    System.out.format("writePerformance(Inti) - size: %d, duration: %dms, ratio: %#.4f", bufferSize,
            end - start, count / ((end - start) / 1000.0));
    System.out.println();

    for (int i = 0; i < 10; i++) {
        b64.encode(data);
    }

    for (int i = 0; i < 100; i++) {
        Thread.sleep(10);
    }

    start = System.currentTimeMillis();
    for (int i = 0; i < count; i++) {
        b64.encode(data);
    }
    end = System.currentTimeMillis();
    System.out.format("writePerformance(commons.codec) - size: %d, duration: %dms, ratio: %#.4f", bufferSize,
            end - start, count / ((end - start) / 1000.0));
    System.out.println();
}

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