issuerandserialnumber.java

说明： 1、里面有什么： 1.1、org.bouncycastle.*下的所有软件是bouncycastle组织开发的软件包 1.2、org.infosecurity.*下的软件包括

package org.bouncycastle.asn1.pkcs;

import java.math.BigInteger;

import org.bouncycastle.asn1.*;
import org.bouncycastle.asn1.x509.*;

public class IssuerAndSerialNumber
    implements DEREncodable
{
    X509Name    name;
    DERInteger  certSerialNumber;

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

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

    public IssuerAndSerialNumber(
        ASN1Sequence    seq)
    {
        this.name = X509Name.getInstance(seq.getObjectAt(0));
        this.certSerialNumber = (DERInteger)seq.getObjectAt(1);
    }

    public IssuerAndSerialNumber(
        X509Name    name,
        BigInteger  certSerialNumber)
    {
        this.name = name;
        this.certSerialNumber = new DERInteger(certSerialNumber);
    }

    public IssuerAndSerialNumber(
        X509Name    name,
        DERInteger  certSerialNumber)
    {
        this.name = name;
        this.certSerialNumber = certSerialNumber;
    }

    public X509Name getName()
    {
        return name;
    }

    public DERInteger getCertificateSerialNumber()
    {
        return certSerialNumber;
    }

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

        v.add(name);
        v.add(certSerialNumber);

        return new DERSequence(v);
    }
}