CertificationRequest.java revision e6bf3e8dfa2804891a82075cb469b736321b4827 
1package org.bouncycastle.asn1.pkcs;
2
3import org.bouncycastle.asn1.ASN1EncodableVector;
4import org.bouncycastle.asn1.ASN1Object;
5import org.bouncycastle.asn1.ASN1Primitive;
6import org.bouncycastle.asn1.ASN1Sequence;
7import org.bouncycastle.asn1.DERBitString;
8import org.bouncycastle.asn1.DERSequence;
9import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
10
11/**
12 * PKCS10 Certification request object.
13 * <pre>
14 * CertificationRequest ::= SEQUENCE {
15 *   certificationRequestInfo  CertificationRequestInfo,
16 *   signatureAlgorithm        AlgorithmIdentifier{{ SignatureAlgorithms }},
17 *   signature                 BIT STRING
18 * }
19 * </pre>
20 */
21public class CertificationRequest
22    extends ASN1Object
23{
24    protected CertificationRequestInfo reqInfo = null;
25    protected AlgorithmIdentifier sigAlgId = null;
26    protected DERBitString sigBits = null;
27
28    public static CertificationRequest getInstance(Object o)
29    {
30        if (o instanceof CertificationRequest)
31        {
32            return (CertificationRequest)o;
33        }
34
35        if (o != null)
36        {
37            return new CertificationRequest(ASN1Sequence.getInstance(o));
38        }
39
40        return null;
41    }
42
43    protected CertificationRequest()
44    {
45    }
46
47    public CertificationRequest(
48        CertificationRequestInfo requestInfo,
49        AlgorithmIdentifier     algorithm,
50        DERBitString            signature)
51    {
52        this.reqInfo = requestInfo;
53        this.sigAlgId = algorithm;
54        this.sigBits = signature;
55    }
56
57    public CertificationRequest(
58        ASN1Sequence seq)
59    {
60        reqInfo = CertificationRequestInfo.getInstance(seq.getObjectAt(0));
61        sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
62        sigBits = (DERBitString)seq.getObjectAt(2);
63    }
64
65    public CertificationRequestInfo getCertificationRequestInfo()
66    {
67        return reqInfo;
68    }
69
70    public AlgorithmIdentifier getSignatureAlgorithm()
71    {
72        return sigAlgId;
73    }
74
75    public DERBitString getSignature()
76    {
77        return sigBits;
78    }
79
80    public ASN1Primitive toASN1Primitive()
81    {
82        // Construct the CertificateRequest
83        ASN1EncodableVector  v = new ASN1EncodableVector();
84
85        v.add(reqInfo);
86        v.add(sigAlgId);
87        v.add(sigBits);
88
89        return new DERSequence(v);
90    }
91}
92