Java Security, 2nd Edition

Name

Class javax.crypto.MacSpi

Synopsis

This is the service provider interface for developers who want to provide their own MAC algorithms. Because it is a JCE engine, instances of this class must be deployed in a specially-signed jar file.

Class Definition

public abstract class javax.crypto.MacSpi
    extends java.lang.Object {

    // Constructors
    public MacSpi(  );

    // Instance Methods
    public Object clone(  );

    // Protected Instance Methods
    protected abstract byte[] engineDoFinal(  );
    protected abstract int engineGetMacLength(  );
    protected abstract void engineInit(Key, AlgorithmParameterSpec);
    protected abstract void engineReset(  );
    protected abstract void engineUpdate(byte[], int, int);
    protected abstract void engineUpdate(byte);
}