COM.claymoresystems.crypto

Class HMACInputStream

java.lang.Object

java.io.InputStream

COM.claymoresystems.crypto.HMACInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class HMACInputStream
extends java.io.InputStream

Provides an InputStream filter that MACs the data

Constructor Summary

Constructors

Constructor and Description
HMACInputStream(java.lang.String digest, byte[] key, java.io.InputStream in) Create the input stream with the indicated key
HMACInputStream(java.lang.String digest, java.lang.String key, java.io.InputStream out) Create the input stream with the indicated key

Method Summary

Methods

Modifier and Type	Method and Description
protected void	_HMACInputStream(java.lang.String digest, byte[] key, java.io.InputStream in)
byte[]	digest()
int	read()
int	read(byte[] b)

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

HMACInputStream

public HMACInputStream(java.lang.String digest,
               byte[] key,
               java.io.InputStream in)

Create the input stream with the indicated key

Parameters:

digest - the digest name

key - the key

in - the input stream

HMACInputStream

public HMACInputStream(java.lang.String digest,
               java.lang.String key,
               java.io.InputStream out)

Create the input stream with the indicated key

Parameters:

digest - the digest name

key - the key

in - the input stream

Method Detail

_HMACInputStream

protected void _HMACInputStream(java.lang.String digest,
                    byte[] key,
                    java.io.InputStream in)

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

digest

public byte[] digest()