Poly1305Mac (Apache Mina SSHD :: Common support utilities 2.9.1 API)

java.lang.Object
- org.apache.sshd.common.mac.Poly1305Mac

All Implemented Interfaces:

AlgorithmNameProvider, Mac, MacInformation
```
public class Poly1305Mac
extends Object
implements Mac
```
Poly1305 one-time message authentication code. This implementation is derived from the public domain C library poly1305-donna.

See Also:

The Poly1305-AES message-authentication code

Field Summary

Fields
Modifier and Type Field Description

static int KEY_BYTES

Constructor Summary

Constructors
Constructor Description

Poly1305Mac()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`doFinal(byte[] out, int offset)`
`String`	`getAlgorithm()`
`int`	`getBlockSize()`
`int`	`getDefaultBlockSize()`
`void`	`init(byte[] key)`
`void`	`update(byte[] in, int offset, int length)`
`void`	`updateUInt(long value)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.sshd.common.mac.Mac
doFinal, doFinal, update

Methods inherited from interface org.apache.sshd.common.mac.MacInformation
isEncryptThenMac

- Field Detail
  - KEY_BYTES
```
public static final int KEY_BYTES
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Poly1305Mac
```
public Poly1305Mac()
```
- Method Detail
  - getAlgorithm
```
public String getAlgorithm()
```
    Specified by:
    
    getAlgorithm in interface AlgorithmNameProvider
  - init
```
public void init(byte[] key)
          throws Exception
```
    Specified by:
    
    init in interface Mac
    
    Throws:
    
    Exception
  - update
```
public void update(byte[] in,
                   int offset,
                   int length)
```
    Specified by:
    
    update in interface Mac
  - updateUInt
```
public void updateUInt(long value)
```
    Specified by:
    
    updateUInt in interface Mac
  - doFinal
```
public void doFinal(byte[] out,
                    int offset)
             throws Exception
```
    Specified by:
    
    doFinal in interface Mac
    
    Throws:
    
    Exception
  - getBlockSize
```
public int getBlockSize()
```
    Specified by:
    
    getBlockSize in interface MacInformation
    
    Returns:
    
    MAC output block size in bytes - may be less than the default - e.g., MD5-96
  - getDefaultBlockSize
```
public int getDefaultBlockSize()
```
    Specified by:
    
    getDefaultBlockSize in interface MacInformation
    
    Returns:
    
    The "natural" MAC block size in bytes