Package com.mku.integrity

Class HmacSHA256Provider

java.lang.Object

com.mku.integrity.HmacSHA256Provider

All Implemented Interfaces:

IHashProvider

public class HmacSHA256Provider
extends Object
implements IHashProvider

Provides HMAC SHA-256 hashing.

Constructor Summary

Constructors

Constructor	Description
HmacSHA256Provider()

Method Summary

Modifier and Type	Method	Description
byte[]	calc(byte[] hashKey, byte[] buffer, int offset, int count)	Calculate HMAC SHA256 hash for a byte buffer.

Methods inherited from class java.lang.Object

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

Constructor Details

HmacSHA256Provider

public HmacSHA256Provider()

Method Details

calc

public byte[] calc(byte[] hashKey,
 byte[] buffer,
 int offset,
 int count)

Calculate HMAC SHA256 hash for a byte buffer.

Specified by:

calc in interface IHashProvider

Parameters:

hashKey - The HMAC SHA256 key to use for hashing (32 bytes).

buffer - The buffer to read the data from.

offset - The position reading will start from.

count - The count of bytes to be read.

Returns:

The HMAC SHA256 hash.

Throws:

IntegrityException - thrown if hash cannot be calculated