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The FIPS 140-3 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-3 level 1. This jar contains JCE provider and low-level API for the BC-FJA version 2.0.0, FIPS Certificate #4743. Please see certificate for certified platform details.

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package org.bouncycastle.crypto.fips;

import org.bouncycastle.crypto.OutputXOFCalculator;
import org.bouncycastle.crypto.UpdateOutputStream;

/**
 * Base class for a FIPS extendable output function calculator.
 *
 * @param  The parameters class for this verifier.
 */
public abstract class FipsOutputXOFCalculator
    implements OutputXOFCalculator
{
    public byte[] getFunctionOutput(int outLen)
    {
        byte[] output = new byte[outLen];

        getFunctionOutput(output, 0, output.length);

        return output;
    }

    public abstract T getParameters();

    public abstract UpdateOutputStream getFunctionStream();

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

    public abstract void reset();
}