client
Class MacGenerator

java.lang.Object
  client.MacGenerator

final class MacGenerator
extends java.lang.Object

Provides methods for generating message authentication codes (MACs) and MAC keys.

Author:

Karl-Peter Fuchs

Method Summary

protected static byte[]	generateMAC(java.security.Key key, byte[] message) Generates and returns a message authentication code for the bypassed message.
protected static javax.crypto.SecretKey	generateMacKey() Generates and returns a MAC key.

Methods inherited from class java.lang.Object

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

Method Detail

generateMacKey

protected static javax.crypto.SecretKey generateMacKey()

Generates and returns a MAC key. Method is thread-safe.

Returns:

The generated MAC key.

generateMAC

protected static byte[] generateMAC(java.security.Key key,
                                    byte[] message)

Generates and returns a message authentication code for the bypassed message. Method is thread-safe.

Parameters:

key - Key to generate message authentication code with.

message - Message to be authenticated.

Returns:

Message authentication code for the bypassed message.