Package io.mosip.kernel.core.util

Class HMACUtils

java.lang.Object

io.mosip.kernel.core.util.HMACUtils

public final class HMACUtils
extends Object

This class defines the HMAC Util to be used in MOSIP Project. The HMAC Util is implemented using desired methods of MessageDigest class of java security package

Since:

1.0.0

Author:

Omsaieswar Mulaklauri, Urvil Joshi

Method Summary

Modifier and Type	Method	Description
static byte[]	decodeBase64(String data)	Decodes from BASE64
static String	digestAsPlainText(byte[] bytes)	Return the digest as a plain text
static String	digestAsPlainTextWithSalt(byte[] password, byte[] salt)	Return the digest as a plain text with Salt
static String	encodeBase64String(byte[] data)	Encodes to BASE64 String
static byte[]	generateHash(byte[] bytes)	Performs a digest using the specified array of bytes.
static byte[]	generateSalt()	Generate Random Salt (with default 16 bytes of length).
static byte[]	generateSalt(int bytes)	Generate Random Salt (with given length)
static void	update(byte[] bytes)	Updates the digest using the specified byte
static byte[]	updatedHash()	Return the whole update digest

Methods inherited from class java.lang.Object

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

Method Detail

generateHash

public static byte[] generateHash(byte[] bytes)

Performs a digest using the specified array of bytes.

Parameters:

bytes - bytes to be hash generation

Returns:

byte[] generated hash bytes

update

public static void update(byte[] bytes)

Updates the digest using the specified byte

Parameters:

bytes - updates the digest using the specified byte

updatedHash

public static byte[] updatedHash()

Return the whole update digest

Returns:

byte[] updated hash bytes

digestAsPlainTextWithSalt

public static String digestAsPlainTextWithSalt(byte[] password,
                                               byte[] salt)

Return the digest as a plain text with Salt

Parameters:

bytes - digest bytes

salt - digest bytes

Returns:

String converted digest as plain text

digestAsPlainText

public static String digestAsPlainText(byte[] bytes)

Return the digest as a plain text

Parameters:

bytes - digest bytes

Returns:

String converted digest as plain text

generateSalt

public static byte[] generateSalt()

Generate Random Salt (with default 16 bytes of length).

Returns:

Random Salt

generateSalt

public static byte[] generateSalt(int bytes)

Generate Random Salt (with given length)

Parameters:

bytes - length of random salt

Returns:

Random Salt of given length

encodeBase64String

public static String encodeBase64String(byte[] data)

Encodes to BASE64 String

Parameters:

data - data to encode

Returns:

encoded data

decodeBase64

public static byte[] decodeBase64(String data)

Decodes from BASE64

Parameters:

data - data to decode

Returns:

decoded data