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;

import org.bouncycastle.crypto.params.AsymmetricKeyParameter;


Interface for NewHope style key material exchange generators.

/**
 * Interface for NewHope style key material exchange generators.
 */
public interface ExchangePairGenerator
{
    
Generate an exchange pair based on the sender public key.

Params:
  • senderPublicKey – the public key of the exchange initiator.
Returns:An ExchangePair derived from the sender public key.
Deprecated:use generateExchange
/**
     * Generate an exchange pair based on the sender public key.
     *
     * @param senderPublicKey the public key of the exchange initiator.
     * @return An ExchangePair derived from the sender public key.
     * @deprecated use generateExchange
     */
    ExchangePair GenerateExchange(AsymmetricKeyParameter senderPublicKey);

    
Generate an exchange pair based on the sender public key.

Params:
  • senderPublicKey – the public key of the exchange initiator.
Returns:An ExchangePair derived from the sender public key.
/**
     * Generate an exchange pair based on the sender public key.
     *
     * @param senderPublicKey the public key of the exchange initiator.
     * @return An ExchangePair derived from the sender public key.
     */
    ExchangePair generateExchange(AsymmetricKeyParameter senderPublicKey);
}