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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.crypto.engines;

import org.bouncycastle.util.Memoable;

/**
 * Zuc256 implementation.
 * Based on https://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020180126529970733243.pdf
 */
public final class Zuc256Engine
    extends Zuc256CoreEngine
{
    /**
     * Constructor for streamCipher.
     */
    public Zuc256Engine()
    {
        super();
    }

    /**
     * Constructor for Mac.
     *
     * @param pLength the Mac length
     */
    public Zuc256Engine(final int pLength)
    {
        super(pLength);
    }

    /**
     * Constructor for Memoable.
     *
     * @param pSource the source engine
     */
    private Zuc256Engine(final Zuc256Engine pSource)
    {
        super(pSource);
    }

    /**
     * Create a copy of the engine.
     *
     * @return the copy
     */
    public Memoable copy()
    {
        return new Zuc256Engine(this);
    }
}