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The FIPS 140-2 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-2 level 1. This jar contains the debug version JCE provider and low-level API for the BC-FJA version 1.0.2.3, FIPS Certificate #3514. Please note the debug jar is not certified.

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package org.bouncycastle.crypto.fips;

import org.bouncycastle.crypto.OutputMACCalculator;
import org.bouncycastle.crypto.UpdateOutputStream;

/**
 * Base class for the approved mode OutputMACCalculator implementations.
 *
 * @param  the parameters type associated with the final implementation of this calculator.
 */
public abstract class FipsOutputMACCalculator
    implements OutputMACCalculator
{
    // package protect construction
    FipsOutputMACCalculator()
    {
    }

    public byte[] getMAC()
    {
        byte[] res = new byte[this.getMACSize()];

        getMAC(res, 0);

        return res;
    }

    public abstract T getParameters();

    public abstract int getMACSize();

    public abstract UpdateOutputStream getMACStream();

    public abstract int getMAC(byte[] output, int off);

    public abstract void reset();
}