http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.cms.jcajce;

import java.math.BigInteger;
import java.security.cert.X509Certificate;

import javax.security.auth.x500.X500Principal;

import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.cms.KeyAgreeRecipientId;

public class JceKeyAgreeRecipientId
    extends KeyAgreeRecipientId
{
    public JceKeyAgreeRecipientId(X509Certificate certificate)
    {
        this(certificate.getIssuerX500Principal(), certificate.getSerialNumber());
    }

    public JceKeyAgreeRecipientId(X500Principal issuer, BigInteger serialNumber)
    {
        super(X500Name.getInstance(issuer.getEncoded()), serialNumber);
    }
}