How to use

AuthorityKeyIdentifierStructure

in

org.bouncycastle.x509.extension

@SuppressWarnings("deprecation")
public FluentKeySigner authorityCertificate(X509Certificate certificate) {
  try {
    authorityKeyIdentifier(new org.bouncycastle.x509.extension.AuthorityKeyIdentifierStructure(certificate));
    this.authorityCertificate = certificate;
    return this;
  } catch (CertificateParsingException e) {
    throw Exceptions.propagate(e);
  }
}

/**
 * Create an AuthorityKeyIdentifier using the passed in certificate's public
 * key, issuer and serial number.
 * 
 * @param certificate the certificate providing the information.
 * @throws CertificateParsingException if there is a problem processing the certificate
 */
public AuthorityKeyIdentifierStructure(
  X509Certificate certificate)
  throws CertificateParsingException
{
  super(fromCertificate(certificate));
}

  /**
   * Create an AuthorityKeyIdentifier using just the hash of the 
   * public key.
   * 
   * @param pubKey the key to generate the hash from.
   * @throws InvalidKeyException if there is a problem using the key.
   */
  public AuthorityKeyIdentifierStructure(
    PublicKey pubKey) 
    throws InvalidKeyException
  {
    super(fromKey(pubKey));
  }
}

public FluentKeySigner authorityCertificate(X509Certificate certificate) {
  try {
    authorityKeyIdentifier(new AuthorityKeyIdentifierStructure(certificate));
    this.authorityCertificate = certificate;
    return this;
  } catch (CertificateParsingException e) {
    throw Exceptions.propagate(e);
  }
}

@Override
public X509CRL generateX509CRL( X509Certificate caCertificate, PrivateKey caPrivateKey )
{
  try {
    X509V2CRLGenerator crlGen = new X509V2CRLGenerator();
    crlGen.setIssuerDN( caCertificate.getSubjectX500Principal() );
    crlGen.setThisUpdate( new DateTime().minus( Time.CLOCK_SKEW ).toDate() );
    crlGen.setNextUpdate( new DateTime().minus( Time.CLOCK_SKEW ).plusHours( 12 ).toDate() );
    crlGen.setSignatureAlgorithm( SignatureAlgorithm.SHA256withRSA.jcaString() );
    crlGen.addExtension( X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure( caCertificate ) );
    crlGen.addExtension( X509Extensions.CRLNumber, false, new CRLNumber( BigInteger.ONE ) );
    return crlGen.generate( caPrivateKey, BouncyCastleProvider.PROVIDER_NAME );
  } catch ( GeneralSecurityException ex ) {
    throw new CryptoFailure( "Unable to generate CRL", ex );
  }
}

new AuthorityKeyIdentifierStructure(fields.getSignerCert()));

@Override
public X509CRL updateX509CRL( X509Certificate caCertificate, PrivateKey caPrivateKey, X509Certificate revokedCertificate, RevocationReason reason, X509CRL previousCRL, BigInteger lastCRLNumber )
{
  try {
    X509V2CRLGenerator crlGen = new X509V2CRLGenerator();
    crlGen.setIssuerDN( caCertificate.getSubjectX500Principal() );
    DateTime skewedNow = new DateTime().minus( Time.CLOCK_SKEW );
    crlGen.setThisUpdate( skewedNow.toDate() );
    crlGen.setNextUpdate( skewedNow.plusHours( 12 ).toDate() );
    crlGen.setSignatureAlgorithm( SignatureAlgorithm.SHA256withRSA.jcaString() );
    crlGen.addExtension( X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure( caCertificate ) );
    crlGen.addExtension( X509Extensions.CRLNumber, false, new CRLNumber( lastCRLNumber ) );
    crlGen.addCRL( previousCRL );
    crlGen.addCRLEntry( revokedCertificate.getSerialNumber(), skewedNow.toDate(), reason.reason() );
    return crlGen.generate( caPrivateKey, BouncyCastleProvider.PROVIDER_NAME );
  } catch ( GeneralSecurityException ex ) {
    throw new CryptoFailure( "Unable to update CRL", ex );
  }
}

false, new AuthorityKeyIdentifierStructure(issuerCert));

builder.setNextUpdate(nextUpdate);
builder.addExtension(Extension.authorityKeyIdentifier, false,
           new AuthorityKeyIdentifierStructure(issuerPublicKey));
builder.addExtension(Extension.cRLNumber, false, new CRLNumber(BigInteger.ZERO));
ContentSigner signer =

X509Extensions.AuthorityKeyIdentifier,
false,
new AuthorityKeyIdentifierStructure(caCert.getPublicKey()));

new AuthorityKeyIdentifierStructure(caPubKey));

if (issuer == null)
  certGen.addExtension(X509Extension.authorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(key));
  certGen.addExtension(X509Extension.authorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(issuer.getCertificate()));

X509Extensions.AuthorityKeyIdentifier,
false,
new AuthorityKeyIdentifierStructure(caCert.getPublicKey()));

    new AuthorityKeyIdentifierStructure(caCert));
certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
    new SubjectKeyIdentifierStructure(key));

           new CRLNumber(crlNumber.add(BigInteger.ONE)));
builder.addExtension(Extension.authorityKeyIdentifier, false,
           new AuthorityKeyIdentifierStructure(issuerPublicKey));

    X509Extensions.SubjectKeyIdentifier, false, subjectKeyIdentifier);
AuthorityKeyIdentifierStructure authorityKeyIdentifier = new AuthorityKeyIdentifierStructure(caPubKey);
certificateGenerator.addExtension(
    X509Extensions.AuthorityKeyIdentifier, false,