tstinfo.java

进行与数字证书相关开发必须的java源码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   TSTInfo.java

package jit.timestamp;

import java.util.Date;
import jit.asn1.*;
import jit.asn1.x509.*;
import jit.asn1parser.Parser;
import jit.math.BigInteger;

// Referenced classes of package jit.timestamp:
//            MessageImprint, Accuracy

public class TSTInfo
    implements DEREncodable
{

    private DERInteger version;
    private DERObjectIdentifier policy;
    private MessageImprint messageImprint;
    private DERInteger serialNumber;
    private DERGeneralizedTime genTime;
    private Accuracy accuracy;
    private DERBoolean ordering;
    private DERInteger nonce;
    private GeneralName tsa;
    private X509Extensions extensions;

    public TSTInfo()
    {
        version = null;
        policy = null;
        messageImprint = null;
        serialNumber = null;
        genTime = null;
        accuracy = null;
        ordering = null;
        nonce = null;
        tsa = null;
        extensions = null;
    }

    public TSTInfo(byte tstInfo[])
        throws Exception
    {
        version = null;
        policy = null;
        messageImprint = null;
        serialNumber = null;
        genTime = null;
        accuracy = null;
        ordering = null;
        nonce = null;
        tsa = null;
        extensions = null;
        ASN1Sequence seq = ASN1Sequence.getInstance(Parser.writeBytes2DERObj(tstInfo));
        initValue(seq);
    }

    public TSTInfo(ASN1Sequence seq)
        throws Exception
    {
        version = null;
        policy = null;
        messageImprint = null;
        serialNumber = null;
        genTime = null;
        accuracy = null;
        ordering = null;
        nonce = null;
        tsa = null;
        extensions = null;
        initValue(seq);
    }

    private void initValue(ASN1Sequence seq)
        throws Exception
    {
        if(seq.size() < 5)
            throw new Exception("wrong number of elements in the sequence");
        version = DERInteger.getInstance(seq.getObjectAt(0));
        if(version.getValue().intValue() != 1)
            throw new Exception("construct TSTInfo error: wrong version");
        policy = DERObjectIdentifier.getInstance(seq.getObjectAt(1));
        ASN1Sequence seqMessageImprint = ASN1Sequence.getInstance(seq.getObjectAt(2));
        messageImprint = new MessageImprint(seqMessageImprint);
        serialNumber = DERInteger.getInstance(seq.getObjectAt(3));
        genTime = DERGeneralizedTime.getInstance(seq.getObjectAt(4));
        if(seq.size() > 5)
        {
            for(int i = 5; i < seq.size(); i++)
            {
                DEREncodable obj = seq.getObjectAt(i);
                if(obj instanceof Accuracy)
                {
                    accuracy = (Accuracy)obj;
                    continue;
                }
                if(obj instanceof DERBoolean)
                {
                    ordering = DERBoolean.getInstance(obj);
                    continue;
                }
                if(obj instanceof DERInteger)
                {
                    nonce = DERInteger.getInstance(obj);
                    continue;
                }
                if(obj instanceof ASN1TaggedObject)
                {
                    int tag = ((ASN1TaggedObject)obj).getTagNo();
                    switch(tag)
                    {
                    case 0: // '\0'
                        tsa = GeneralName.getInstance((ASN1TaggedObject)obj, true);
                        break;

                    case 1: // '\001'
                        extensions = X509Extensions.getInstance((ASN1TaggedObject)obj, false);
                        break;
                    }
                } else
                {
                    throw new Exception("construct TSTInfo error: wrong type of elements in sequence");
                }
            }

        }
    }

    public void setVersion(int version)
    {
        this.version = new DERInteger(1);
    }

    public int getVersion()
    {
        return version.getValue().intValue();
    }

    public void setPolicy(DERObjectIdentifier policy)
    {
        this.policy = policy;
    }

    public DERObjectIdentifier getPolicy()
    {
        return policy;
    }

    public void setMessageImprint(MessageImprint messageImprint)
    {
        this.messageImprint = messageImprint;
    }

    public MessageImprint getMessageImprint()
    {
        return messageImprint;
    }

    public void setSerialNumber(byte serialNumber[])
    {
        BigInteger bigSN = new BigInteger(serialNumber);
        this.serialNumber = new DERInteger(bigSN);
    }

    public byte[] getSerialNumber()
    {
        BigInteger bigSN = serialNumber.getValue();
        return bigSN.toByteArray();
    }

    public void setGenTime(Date genTime)
    {
        this.genTime = new DERGeneralizedTime(genTime);
    }

    public String getGenTime()
    {
        return genTime.getTime();
    }

    public void setAccuracy(Accuracy accuracy)
    {
        this.accuracy = accuracy;
    }

    public Accuracy getAccuracy()
    {
        if(accuracy != null)
            return accuracy;
        else
            return null;
    }

    public void setOrdering(boolean ordering)
    {
        this.ordering = new DERBoolean(ordering);
    }

    public DERBoolean getOrdering()
    {
        if(ordering != null)
            return ordering;
        else
            return null;
    }

    public void setNonce(byte nonce[])
    {
        BigInteger bigNonce = new BigInteger(nonce);
        this.nonce = new DERInteger(bigNonce);
    }

    public byte[] getNonce()
    {
        if(nonce != null)
            return nonce.getValue().toByteArray();
        else
            return null;
    }

    public void setTSAName(String tsaName)
        throws Exception
    {
        if(tsaName == null || tsaName.length() == 0)
        {
            throw new Exception("tsaName must not be null");
        } else
        {
            tsa = new GeneralName(new X509Name(tsaName));
            return;
        }
    }

    public GeneralName getTSAName()
    {
        return tsa;
    }

    public void setExtensions(X509Extensions extensions)
    {
        this.extensions = extensions;
    }

    public X509Extensions getExtensions()
    {
        return extensions;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(version);
        v.add(policy);
        v.add(messageImprint);
        v.add(serialNumber);
        v.add(genTime);
        if(accuracy != null)
            v.add(accuracy);
        if(ordering != null)
            v.add(ordering);
        if(nonce != null)
            v.add(nonce);
        if(tsa != null)
            v.add(new DERTaggedObject(0, tsa));
        if(extensions != null)
            v.add(new DERTaggedObject(false, 1, extensions));
        return new DERSequence(v);
    }
}