CertificateList.java revision e6bf3e8dfa2804891a82075cb469b736321b4827 
1
2package org.bouncycastle.asn1.x509;
3
4import java.util.Enumeration;
5
6import org.bouncycastle.asn1.ASN1EncodableVector;
7import org.bouncycastle.asn1.ASN1Object;
8import org.bouncycastle.asn1.ASN1Primitive;
9import org.bouncycastle.asn1.ASN1Sequence;
10import org.bouncycastle.asn1.ASN1TaggedObject;
11import org.bouncycastle.asn1.DERBitString;
12import org.bouncycastle.asn1.DERSequence;
13import org.bouncycastle.asn1.x500.X500Name;
14
15/**
16 * PKIX RFC-2459
17 *
18 * The X.509 v2 CRL syntax is as follows.  For signature calculation,
19 * the data that is to be signed is ASN.1 DER encoded.
20 *
21 * <pre>
22 * CertificateList  ::=  SEQUENCE  {
23 *      tbsCertList          TBSCertList,
24 *      signatureAlgorithm   AlgorithmIdentifier,
25 *      signatureValue       BIT STRING  }
26 * </pre>
27 */
28public class CertificateList
29    extends ASN1Object
30{
31    TBSCertList            tbsCertList;
32    AlgorithmIdentifier    sigAlgId;
33    DERBitString           sig;
34
35    public static CertificateList getInstance(
36        ASN1TaggedObject obj,
37        boolean          explicit)
38    {
39        return getInstance(ASN1Sequence.getInstance(obj, explicit));
40    }
41
42    public static CertificateList getInstance(
43        Object  obj)
44    {
45        if (obj instanceof CertificateList)
46        {
47            return (CertificateList)obj;
48        }
49        else if (obj != null)
50        {
51            return new CertificateList(ASN1Sequence.getInstance(obj));
52        }
53
54        return null;
55    }
56
57    public CertificateList(
58        ASN1Sequence seq)
59    {
60        if (seq.size() == 3)
61        {
62            tbsCertList = TBSCertList.getInstance(seq.getObjectAt(0));
63            sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
64            sig = DERBitString.getInstance(seq.getObjectAt(2));
65        }
66        else
67        {
68            throw new IllegalArgumentException("sequence wrong size for CertificateList");
69        }
70    }
71
72    public TBSCertList getTBSCertList()
73    {
74        return tbsCertList;
75    }
76
77    public TBSCertList.CRLEntry[] getRevokedCertificates()
78    {
79        return tbsCertList.getRevokedCertificates();
80    }
81
82    public Enumeration getRevokedCertificateEnumeration()
83    {
84        return tbsCertList.getRevokedCertificateEnumeration();
85    }
86
87    public AlgorithmIdentifier getSignatureAlgorithm()
88    {
89        return sigAlgId;
90    }
91
92    public DERBitString getSignature()
93    {
94        return sig;
95    }
96
97    public int getVersionNumber()
98    {
99        return tbsCertList.getVersionNumber();
100    }
101
102    public X500Name getIssuer()
103    {
104        return tbsCertList.getIssuer();
105    }
106
107    public Time getThisUpdate()
108    {
109        return tbsCertList.getThisUpdate();
110    }
111
112    public Time getNextUpdate()
113    {
114        return tbsCertList.getNextUpdate();
115    }
116
117    public ASN1Primitive toASN1Primitive()
118    {
119        ASN1EncodableVector v = new ASN1EncodableVector();
120
121        v.add(tbsCertList);
122        v.add(sigAlgId);
123        v.add(sig);
124
125        return new DERSequence(v);
126    }
127}
128