Package com.almis.awe.model.util.security

Class Crypto.Utils

java.lang.Object

com.almis.awe.model.util.security.Crypto.Utils

Enclosing class:

Crypto

public static class Crypto.Utils
extends Object

Utils

Method Summary

Modifier and Type	Method	Description
static String	encodeHex(byte[] hash)	Returns an hexadecimal string from a byte array
static byte[]	getRandomBytes(int len)	Retrieve random bytes
static int	getRecommendedIterationNumber()	Get the recommended iteration number
static String	pbkdf2(String password, String salt, int iterationCount, int dkLen)	Encode with pbkdf

Methods inherited from class java.lang.Object

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

Method Details

pbkdf2

public static String pbkdf2(String password,
 String salt,
 int iterationCount,
 int dkLen)
                     throws InvalidKeyException,
NoSuchAlgorithmException

Encode with pbkdf

Parameters:

password - password

salt - salt

iterationCount - iteration count

dkLen - dk length

Returns:

encoded key

Throws:

InvalidKeyException - Invalid key exception

NoSuchAlgorithmException - No such algorithm exception

getRandomBytes

public static byte[] getRandomBytes(int len)

Retrieve random bytes

Parameters:

len - Length

Returns:

random bytes

getRecommendedIterationNumber

public static int getRecommendedIterationNumber()

Get the recommended iteration number

Returns:

String

encodeHex

public static String encodeHex(byte[] hash)

Returns an hexadecimal string from a byte array

Parameters:

hash - Hash

Returns:

String