1package org.bouncycastle.asn1.pkcs;
2
3import java.util.Enumeration;
4
5import org.bouncycastle.asn1.ASN1EncodableVector;
6import org.bouncycastle.asn1.ASN1ObjectIdentifier;
7import org.bouncycastle.asn1.ASN1Primitive;
8import org.bouncycastle.asn1.ASN1Sequence;
9import org.bouncycastle.asn1.DERSequence;
10import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
11
12/**
13 * @deprecated - use AlgorithmIdentifier and PBES2Parameters
14 */
15public class PBES2Algorithms
16    extends AlgorithmIdentifier implements PKCSObjectIdentifiers
17{
18    private ASN1ObjectIdentifier objectId;
19    private KeyDerivationFunc   func;
20    private EncryptionScheme scheme;
21
22    public PBES2Algorithms(
23        ASN1Sequence  obj)
24    {
25        super(obj);
26
27        Enumeration     e = obj.getObjects();
28
29        objectId = (ASN1ObjectIdentifier)e.nextElement();
30
31        ASN1Sequence seq = (ASN1Sequence)e.nextElement();
32
33        e = seq.getObjects();
34
35        ASN1Sequence  funcSeq = (ASN1Sequence)e.nextElement();
36
37        if (funcSeq.getObjectAt(0).equals(id_PBKDF2))
38        {
39            func = new KeyDerivationFunc(id_PBKDF2, PBKDF2Params.getInstance(funcSeq.getObjectAt(1)));
40        }
41        else
42        {
43            func = KeyDerivationFunc.getInstance(funcSeq);
44        }
45
46        scheme = EncryptionScheme.getInstance(e.nextElement());
47    }
48
49    public ASN1ObjectIdentifier getObjectId()
50    {
51        return objectId;
52    }
53
54    public KeyDerivationFunc getKeyDerivationFunc()
55    {
56        return func;
57    }
58
59    public EncryptionScheme getEncryptionScheme()
60    {
61        return scheme;
62    }
63
64    public ASN1Primitive getASN1Primitive()
65    {
66        ASN1EncodableVector  v = new ASN1EncodableVector();
67        ASN1EncodableVector  subV = new ASN1EncodableVector();
68
69        v.add(objectId);
70
71        subV.add(func);
72        subV.add(scheme);
73        v.add(new DERSequence(subV));
74
75        return new DERSequence(v);
76    }
77}
78