pbes2parameters.java

来自「进行与数字证书相关开发必须的java源码」· Java 代码 · 共 51 行

// 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:   PBES2Parameters.java

package jit.asn1.pkcs.pkcs5;

import java.util.Enumeration;
import jit.asn1.*;
import jit.asn1.pkcs.PKCSObjectIdentifiers;

// Referenced classes of package jit.asn1.pkcs.pkcs5:
//            PBKDF2Params, KeyDerivationFunc, EncryptionScheme

public class PBES2Parameters
    implements PKCSObjectIdentifiers, DEREncodable
{

    private KeyDerivationFunc func;
    private EncryptionScheme scheme;

    public PBES2Parameters(ASN1Sequence obj)
    {
        Enumeration e = obj.getObjects();
        ASN1Sequence funcSeq = (ASN1Sequence)e.nextElement();
        if(funcSeq.getObjectAt(0).equals(PKCSObjectIdentifiers.id_PBKDF2))
            func = new PBKDF2Params(funcSeq);
        else
            func = new KeyDerivationFunc(funcSeq);
        scheme = new EncryptionScheme((ASN1Sequence)e.nextElement());
    }

    public KeyDerivationFunc getKeyDerivationFunc()
    {
        return func;
    }

    public EncryptionScheme getEncryptionScheme()
    {
        return scheme;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(func);
        v.add(scheme);
        return new DERSequence(v);
    }
}