http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
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package org.bouncycastle.crypto.params;

import java.security.SecureRandom;

import org.bouncycastle.crypto.KeyGenerationParameters;

public class CramerShoupKeyGenerationParameters
	extends KeyGenerationParameters
{

	private CramerShoupParameters params;

	public CramerShoupKeyGenerationParameters(SecureRandom random, CramerShoupParameters params)
	{
		super(random, getStrength(params));

		this.params = params;
	}

	public CramerShoupParameters getParameters()
	{
		return params;
	}

	static int getStrength(CramerShoupParameters params)
	{
		return params.getP().bitLength();
	}
}