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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.OutputSigner;
import org.bouncycastle.crypto.Parameters;
import org.bouncycastle.crypto.PlainInputProcessingException;

/**
 * Base class for a FIPS signature generator..
 *
 * @param  The parameters class for this signer.
 */
public abstract class FipsOutputSigner
    implements OutputSigner
{
    // package protect construction
    FipsOutputSigner()
    {
    }

    public abstract T getParameters();

    public abstract org.bouncycastle.crypto.UpdateOutputStream getSigningStream();

    public abstract byte[] getSignature()
        throws PlainInputProcessingException;

    public abstract int getSignature(byte[] output, int off)
        throws PlainInputProcessingException;
}