com.googlecode.jinahya.twitter.xauth
Class JCAAuthenticator

java.lang.Object
  com.googlecode.jinahya.twitter.xauth.JCAAuthenticator

All Implemented Interfaces:

Authenticator

public class JCAAuthenticator
extends Object
implements Authenticator

Author:

Jin Kwon

Field Summary

protected static String

ALGORITHM Standard algorithm name for HMAC-SHA1.

Constructor Summary

JCAAuthenticator()

Method Summary

byte[]	authenticate(byte[] key, byte[] input) Generates HMAC-SAH1 signature with given key and input.
protected Mac	getInstance() Returns a Mac instance for "HmacSHA1".

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM

protected static final String ALGORITHM

Standard algorithm name for HMAC-SHA1.

See Also:

Constant Field Values

Constructor Detail

JCAAuthenticator

public JCAAuthenticator()

Method Detail

authenticate

public byte[] authenticate(byte[] key,
                           byte[] input)
                    throws Exception

Description copied from interface: Authenticator

Generates HMAC-SAH1 signature with given key and input.

Specified by:

authenticate in interface Authenticator

Parameters:

key - key

input - input

Returns:

signature

Throws:

Exception - if any error occurs.

getInstance

protected Mac getInstance()
                   throws Exception

Returns a Mac instance for "HmacSHA1".

Returns:

a Mac instance.

Throws:

Exception - if any error occurs.