certificatelist.java

来自「《移动Agent技术》一书的所有章节源代码。」· Java 代码 · 共 102 行

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.*;
import org.bouncycastle.asn1.pkcs.*;

/**
 * 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
	implements DEREncodable
{
	DERConstructedSequence seq;

	TBSCertList			tbsCertList;
	AlgorithmIdentifier	sigAlgId;
	DERBitString		sig;

    public CertificateList(
        DERConstructedSequence seq)
    {
		this.seq = seq;

		if ( seq.getObjectAt(0) instanceof TBSCertList )
		{
			tbsCertList = (TBSCertList)seq.getObjectAt(0);
		}
		else
		{
			tbsCertList = new TBSCertList((DERConstructedSequence)seq.getObjectAt(0));
		}

		if ( seq.getObjectAt(1) instanceof AlgorithmIdentifier )
		{
			sigAlgId = (AlgorithmIdentifier)seq.getObjectAt(1);
		}
		else
		{
			sigAlgId = new AlgorithmIdentifier((DERConstructedSequence)seq.getObjectAt(1));
		}

		sig = (DERBitString)seq.getObjectAt(2);
	}

	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 DERUTCTime getThisUpdate()
	{
		return tbsCertList.getThisUpdate();
	}

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

	public DERObject getDERObject()
	{
		return seq;
	}
}