CA program

Development Platform:

Java

PBES2Parameters.java：Code Content

							package org.bouncycastle.asn1.pkcs;
import java.util.Enumeration;
import org.bouncycastle.asn1.*;
import org.bouncycastle.asn1.x509.*;
public class PBES2Parameters
    implements PKCSObjectIdentifiers, DEREncodable
{
    private DERObjectIdentifier objectId;
    private KeyDerivationFunc   func;
    private EncryptionScheme    scheme;
    public PBES2Parameters(
        ASN1Sequence  obj)
    {
        Enumeration e = obj.getObjects();
        ASN1Sequence  funcSeq = (ASN1Sequence)e.nextElement();
        if (funcSeq.getObjectAt(0).equals(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);
    }
}

						