Package org.apache.geronimo.crypto.asn1.x509

Source Code of org.apache.geronimo.crypto.asn1.x509.CertificateList

/**
*  Licensed to the Apache Software Foundation (ASF) under one or more
*  contributor license agreements.  See the NOTICE file distributed with
*  this work for additional information regarding copyright ownership.
*  The ASF licenses this file to You under the Apache License, Version 2.0
*  (the "License"); you may not use this file except in compliance with
*  the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/


package org.apache.geronimo.crypto.asn1.x509;

import org.apache.geronimo.crypto.asn1.ASN1Encodable;
import org.apache.geronimo.crypto.asn1.ASN1EncodableVector;
import org.apache.geronimo.crypto.asn1.ASN1Sequence;
import org.apache.geronimo.crypto.asn1.ASN1TaggedObject;
import org.apache.geronimo.crypto.asn1.DERBitString;
import org.apache.geronimo.crypto.asn1.DERObject;
import org.apache.geronimo.crypto.asn1.DERSequence;

/**
* PKIX RFC-2459
*
* The X.509 v2 CRL syntax is as follows.  For signature calculation,
* the data that is to be signed is ASN.1 DER encoded.
*
* <pre>
* CertificateList  ::=  SEQUENCE  {
*      tbsCertList          TBSCertList,
*      signatureAlgorithm   AlgorithmIdentifier,
*      signatureValue       BIT STRING  }
* </pre>
*/
public class CertificateList
    extends ASN1Encodable
{
    TBSCertList            tbsCertList;
    AlgorithmIdentifier    sigAlgId;
    DERBitString           sig;

    public static CertificateList getInstance(
        ASN1TaggedObject obj,
        boolean          explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public static CertificateList getInstance(
        Object  obj)
    {
        if (obj instanceof CertificateList)
        {
            return (CertificateList)obj;
        }
        else if (obj instanceof ASN1Sequence)
        {
            return new CertificateList((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("unknown object in factory");
    }

    public CertificateList(
        ASN1Sequence seq)
    {
        if (seq.size() == 3)
        {
            tbsCertList = TBSCertList.getInstance(seq.getObjectAt(0));
            sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
            sig = (DERBitString)seq.getObjectAt(2);
        }
        else
        {
            throw new IllegalArgumentException("sequence wrong size for CertificateList");
        }
    }

    public TBSCertList getTBSCertList()
    {
        return tbsCertList;
    }

    public TBSCertList.CRLEntry[] getRevokedCertificates()
    {
        return tbsCertList.getRevokedCertificates();
    }

    public AlgorithmIdentifier getSignatureAlgorithm()
    {
        return sigAlgId;
    }

    public DERBitString getSignature()
    {
        return sig;
    }

    public int getVersion()
    {
        return tbsCertList.getVersion();
    }

    public X509Name getIssuer()
    {
        return tbsCertList.getIssuer();
    }

    public Time getThisUpdate()
    {
        return tbsCertList.getThisUpdate();
    }

    public Time getNextUpdate()
    {
        return tbsCertList.getNextUpdate();
    }

    public DERObject toASN1Object()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();

        v.add(tbsCertList);
        v.add(sigAlgId);
        v.add(sig);

        return new DERSequence(v);
    }
}
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