HMACSHA256Provider

java.lang.Object
- com.mku.salmon.integrity.HMACSHA256Provider

All Implemented Interfaces:: IHashProvider

public class HMACSHA256Provider
extends java.lang.Object
implements IHashProvider

Provides HMAC SHA-256 hashing.

Constructor Summary

Constructors
Constructor Description

HMACSHA256Provider()

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail
  - HMACSHA256Provider
```
public HMACSHA256Provider()
```
- Method Detail
  - 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