org.jboss.aerogear.crypto
Class Util

java.lang.Object
  org.jboss.aerogear.crypto.Util

public class Util
extends Object

Utility class for platform validation and cryptographic operations

Field Summary

private static String	ANDROID_ACTIVITY_CLASS
private static boolean	IS_ANDROID

Constructor Summary

Util()

Method Summary

static byte[]	checkLength(byte[] data, int size) Validate the length of the data provided
static int	checkSize(int size, int minimumSize) Validate the minimum size supported by the parameter
static String	formatter(Algorithm algorithm, BlockCipher.Mode mode) Utility method to format algorithms name in Java like way
static String	formatter(BlockCipher.Mode mode, Padding padding) Utility method to format algorithms name in Java like way
static boolean	isAndroid() Verify if the platform is running Android
static byte[]	newBuffer(int length) Create a new buffer with the specified size
static byte[]	newByteArray(byte[] data) Copy the provided data

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IS_ANDROID

private static final boolean IS_ANDROID

ANDROID_ACTIVITY_CLASS

private static final String ANDROID_ACTIVITY_CLASS

See Also:

Constant Field Values

Constructor Detail

Util

public Util()

Method Detail

checkLength

public static byte[] checkLength(byte[] data,
                                 int size)

Validate the length of the data provided

Parameters:

data -

size -

Returns:

data provided if valid

checkSize

public static int checkSize(int size,
                            int minimumSize)

Validate the minimum size supported by the parameter

Parameters:

size -

minimumSize -

Returns:

size provided if valid

formatter

public static String formatter(Algorithm algorithm,
                               BlockCipher.Mode mode)

Utility method to format algorithms name in Java like way

Parameters:

algorithm -

mode -

Returns:

string name with the formatted algorithm

formatter

public static String formatter(BlockCipher.Mode mode,
                               Padding padding)

Utility method to format algorithms name in Java like way

Parameters:

mode -

padding -

Returns:

string name with the formatted algorithm

newBuffer

public static byte[] newBuffer(int length)

Create a new buffer with the specified size

Parameters:

length -

Returns:

new empty byte array

newByteArray

public static byte[] newByteArray(byte[] data)

Copy the provided data

Parameters:

data -

Returns:

byte array

isAndroid

public static boolean isAndroid()

Verify if the platform is running Android

Returns:

if the platform is supported