Package io.getlime.security.powerauth.crypto.lib.util

Class HMACHashUtilities

java.lang.Object

io.getlime.security.powerauth.crypto.lib.util.HMACHashUtilities

public class HMACHashUtilities
extends Object

Simple utility class for HMAC-SHA256 algorithm

Author:

Petr Dvorak, petr@wultra.com

Constructor Summary

Constructors

Constructor	Description
HMACHashUtilities()

Method Summary

Modifier and Type	Method	Description
byte[]	hash(byte[] key, byte[] data)	Compute a HMAC-SHA256 of given data with provided key bytes
byte[]	hash(SecretKey hmacKey, byte[] data)	Compute a HMAC-SHA256 of given data with provided key bytes

Methods inherited from class java.lang.Object

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

Constructor Details

HMACHashUtilities

public HMACHashUtilities()

Method Details

hash

public byte[] hash(byte[] key,
 byte[] data)
            throws GenericCryptoException,
CryptoProviderException

Compute a HMAC-SHA256 of given data with provided key bytes

Parameters:

key - Key for the HMAC-SHA256 algorithm

data - Data for the HMAC-SHA256 algorithm.

Returns:

HMAC-SHA256 of given data using given key.

Throws:

GenericCryptoException - In case hash computation fails.

CryptoProviderException - In case cryptography provider is incorrectly initialized.

hash

public byte[] hash(SecretKey hmacKey,
 byte[] data)
            throws GenericCryptoException,
CryptoProviderException

Compute a HMAC-SHA256 of given data with provided key bytes

Parameters:

hmacKey - Key for the HMAC-SHA256 algorithm

data - Data for the HMAC-SHA256 algorithm.

Returns:

HMAC-SHA256 of given data using given key.

Throws:

GenericCryptoException - In case hash computation fails.

CryptoProviderException - In case cryptography provider is incorrectly initialized.