Example usage for android.util Base64 encode

Introduction

In this page you can find the example usage for android.util Base64 encode.

Prototype

public static byte[] encode(byte[] input, int flags) 

Source Link

Document

Base64-encode the given data and return a newly allocated byte[] with the result.

Usage

From source file:Main.java

private static byte[] base64Encode(byte[] input) {
    return Base64.encode(input, Base64.NO_WRAP);
}

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From source file:Main.java

public static String objectToString(Serializable serializableObject) throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
    objectOutputStream.writeObject(serializableObject);
    objectOutputStream.close();//from  w w  w  .  j  av  a 2  s.  com
    return new String(Base64.encode(byteArrayOutputStream.toByteArray(), 0));
}

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From source file:Main.java

public static void writeSObject(Context context, Object content, String path) {

    try {//from w w w.j  a v  a2 s  .co  m
        ByteArrayOutputStream e = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(e);
        oos.writeObject(content);
        String stringBase64 = new String(Base64.encode(e.toByteArray(), 0));
        writeString(context, stringBase64, path);
    } catch (IOException var6) {
        var6.printStackTrace();
    }

}

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From source file:Main.java

public static byte[] encodeBase64(byte[] input) {
    return Base64.encode(input, Base64.DEFAULT);
}

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From source file:Main.java

public static String sign(String paramString1, String paramString2, String paramString3) {
    if (paramString3 == null)
        paramString3 = "";
    try {/*from  ww  w .j ava2s . c o  m*/
        SecretKeySpec localSecretKeySpec = new SecretKeySpec(
                (urlencode(paramString2, "UTF8") + '&' + urlencode(paramString3, "UTF8")).getBytes("UTF8"),
                "HmacSHA1");
        Mac localMac = Mac.getInstance("HmacSHA1");
        localMac.init(localSecretKeySpec);
        String str = urlencode(
                new String(Base64.encode(localMac.doFinal(paramString1.getBytes("UTF8")), 0), "UTF8"), "UTF8");
        return str;
    } catch (InvalidKeyException localInvalidKeyException) {
        return "";
    } catch (NoSuchAlgorithmException localNoSuchAlgorithmException) {
        return "";
    } catch (UnsupportedEncodingException localUnsupportedEncodingException) {
    }
    return "";
}

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From source file:Main.java

public static String uploadFile(String path) {
    String sourceFileUri = path;// w  w w .j av  a  2 s. c o  m
    File file = new File(sourceFileUri);
    ByteArrayOutputStream objByteArrayOS = null;
    FileInputStream objFileIS = null;
    boolean isSuccess = false;
    String strAttachmentCoded = null;

    if (!file.isFile()) {
        Log.w(TAG, "Source File not exist :" + sourceFileUri);
    } else {
        try {
            objFileIS = new FileInputStream(file);
            objByteArrayOS = new ByteArrayOutputStream();
            byte[] byteBufferString = new byte[(int) file.length()];
            objFileIS.read(byteBufferString);

            byte[] byteBinaryData = Base64.encode(byteBufferString, Base64.DEFAULT);
            strAttachmentCoded = new String(byteBinaryData);

            isSuccess = true;
        } catch (Exception e) {
            e.printStackTrace();
            Log.e("Upload file to server", "error: " + e.getMessage(), e);
        } finally {
            try {
                objByteArrayOS.close();
                objFileIS.close();
            } catch (IOException e) {
                Log.e(TAG, "Error : " + e.getMessage());
            }
        }
    }

    if (isSuccess) {
        return strAttachmentCoded;
    } else {
        return "No Picture";
    }
}

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From source file:Main.java

public static String getKeyFromParams(List<NameValuePair> nameValuePairs, String publishId) {
    Collections.sort(nameValuePairs, new Comparator<NameValuePair>() {
        @Override//w  w  w.j  a va  2 s  . c  om
        public int compare(NameValuePair p1, NameValuePair p2) {
            return p1.getName().compareTo(p2.getName());
        }
    });

    StringBuilder keyBuilder = new StringBuilder();
    boolean isFirst = true;
    for (NameValuePair nvp : nameValuePairs) {
        if (!isFirst) {
            keyBuilder.append("&");
        }
        keyBuilder.append(nvp.getName()).append("=").append(nvp.getValue());
        isFirst = false;
    }

    keyBuilder.append("&").append(publishId);

    String key = keyBuilder.toString();
    byte[] keyBytes = getBytes(key);
    return getMd5Digest(new String(Base64.encode(keyBytes, Base64.NO_WRAP)));
}

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From source file:Main.java

public static byte[] encrypt(String clearText) {
    SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
    Cipher cipher = null;//from  w ww  .j  a  v  a  2 s  .  c  om
    byte[] cipherText = null;

    try {
        // init cipher
        cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.ENCRYPT_MODE, keySpec);
        cipherText = cipher.doFinal(clearText.getBytes());
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    }
    return Base64.encode(cipherText, 10);
}

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From source file:Main.java

public static String encryptData(String password, String plaintextData) throws Exception {
    // Thank you Mr. Nelenkov
    String maybeThisHelps = "http://nelenkov.blogspot.com/2012/04/using-password-based-encryption-on.html";
    Log.v(TAG, maybeThisHelps);/*from w w  w  . j a va  2s.  c  o  m*/
    int iterationCount = 100; //because Polaroid
    int keyLength = 256;
    int saltLength = keyLength;

    SecureRandom random = new SecureRandom();
    byte[] salt = new byte[saltLength];
    random.nextBytes(salt);
    KeySpec keySpec = new PBEKeySpec(password.toCharArray(), salt, iterationCount, keyLength);
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    byte[] keyBytes = keyFactory.generateSecret(keySpec).getEncoded();
    SecretKey key = new SecretKeySpec(keyBytes, "AES");

    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    byte[] iv = new byte[cipher.getBlockSize()];
    random.nextBytes(iv);

    IvParameterSpec ivParams = new IvParameterSpec(iv);
    cipher.init(Cipher.ENCRYPT_MODE, key, ivParams);
    byte[] ciphertext = cipher.doFinal(plaintextData.getBytes("UTF-8"));

    String ivToString = new String(Base64.encode(iv, 0));
    String saltToString = new String(Base64.encode(salt, 0));
    String ciphertextToString = new String(Base64.encode(ciphertext, 0));

    Log.d(TAG, ivToString + "]" + saltToString + "]" + ciphertextToString);
    return (ivToString + "]" + saltToString + "]" + ciphertextToString).replace("\n", "");
}

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From source file:org.starfishrespect.myconsumption.android.util.CryptoUtils.java

/**
 * Create header for basic authentication with username and password
 * @return HttpHeaders with basic authentication
 *//*w w  w .j a v  a  2  s .co  m*/
public static HttpHeaders createHeaders(final String username, final String password) {
    HttpHeaders headers = new HttpHeaders() {
        {
            String auth = username + ":" + password;
            byte[] encodedAuth = Base64.encode(auth.getBytes(Charset.forName("US-ASCII")), Base64.NO_WRAP);
            String authHeader = "Basic " + new String(encodedAuth);
            //String authHeader = "Basic " + auth;
            set("Authorization", authHeader);
        }
    };
    headers.add("Content-Type", "application/json");
    headers.add("Accept", "*/*");

    return headers;
}

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