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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.jce.spec;

import java.security.PublicKey;
import java.security.spec.KeySpec;

import org.bouncycastle.jce.interfaces.MQVPublicKey;

/**
 * Static/ephemeral public key pair for use with ECMQV key agreement
 * @deprecated use MQVParameterSpec
 */
public class MQVPublicKeySpec
    implements KeySpec, MQVPublicKey
{
    private PublicKey staticKey;
    private PublicKey ephemeralKey;

    /**
     * @param staticKey the static public key.
     * @param ephemeralKey the ephemeral public key.
     */
    public MQVPublicKeySpec(
        PublicKey staticKey,
        PublicKey ephemeralKey)
    {
        this.staticKey = staticKey;
        this.ephemeralKey = ephemeralKey;
    }

    /**
     * return the static public key
     */
    public PublicKey getStaticKey()
    {
        return staticKey;
    }
    
    /**
     * return the ephemeral public key
     */
    public PublicKey getEphemeralKey()
    {
        return ephemeralKey;
    }

    /**
     * return "ECMQV"
     */
    public String getAlgorithm()
    {
        return "ECMQV";
    }

    /**
     * return null
     */
    public String getFormat()
    {
        return null;
    }

    /**
     * returns null
     */
    public byte[] getEncoded()
    {
        return null;
    }
}