macdata.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:   MacData.java

package jit.asn1.pkcs.pkcs12;

import jit.asn1.*;
import jit.asn1.x509.DigestInfo;
import jit.math.BigInteger;

public class MacData
    implements DEREncodable
{

    private DigestInfo digInfo;
    private byte salt[];
    private BigInteger iterationCount;

    public static MacData getInstance(Object obj)
    {
        if(obj instanceof MacData)
            return (MacData)obj;
        if(obj instanceof ASN1Sequence)
            return new MacData((ASN1Sequence)obj);
        else
            throw new IllegalArgumentException("unknown object in factory ".concat(String.valueOf(String.valueOf(obj.getClass().getName()))));
    }

    public MacData(ASN1Sequence seq)
    {
        digInfo = DigestInfo.getInstance(seq.getObjectAt(0));
        salt = ((ASN1OctetString)seq.getObjectAt(1)).getOctets();
        if(seq.size() == 3)
            iterationCount = ((DERInteger)seq.getObjectAt(2)).getValue();
        else
            iterationCount = BigInteger.valueOf(1L);
    }

    public MacData(DigestInfo digInfo, byte salt[], int iterationCount)
    {
        this.digInfo = digInfo;
        this.salt = salt;
        this.iterationCount = BigInteger.valueOf(iterationCount);
    }

    public DigestInfo getMac()
    {
        return digInfo;
    }

    public byte[] getSalt()
    {
        return salt;
    }

    public BigInteger getIterationCount()
    {
        return iterationCount;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(digInfo);
        v.add(new DEROctetString(salt));
        v.add(new DERInteger(iterationCount));
        return new DERSequence(v);
    }
}