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.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.pqc.crypto.ntru;

import org.bouncycastle.crypto.params.AsymmetricKeyParameter;

public class NTRUEncryptionKeyParameters
    extends AsymmetricKeyParameter
{
    final protected NTRUEncryptionParameters params;

    public NTRUEncryptionKeyParameters(boolean privateKey, NTRUEncryptionParameters params)
    {
        super(privateKey);
        this.params = params;
    }

    public NTRUEncryptionParameters getParameters()
    {
        return params;
    }
}