core/src/main/java/org/bouncycastle/asn1/ess/ESSCertID.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

package org.bouncycastle.asn1.ess;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.IssuerSerial;

public class ESSCertID
    extends ASN1Object
{
    private ASN1OctetString certHash;

    private IssuerSerial issuerSerial;

    public static ESSCertID getInstance(Object o)
    {
        if (o instanceof ESSCertID)
        {
            return (ESSCertID)o;
        }
        else if (o != null)
        {
            return new ESSCertID(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    /**
     * constructor
     */
    private ESSCertID(ASN1Sequence seq)
    {
        if (seq.size() < 1 || seq.size() > 2)
        {
            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
        }

        certHash = ASN1OctetString.getInstance(seq.getObjectAt(0));
 
        if (seq.size() > 1)
        {
            issuerSerial = IssuerSerial.getInstance(seq.getObjectAt(1));
        }
    }

    public ESSCertID(
        byte[]          hash)
    {
        certHash = new DEROctetString(hash);
    }

    public ESSCertID(
        byte[]          hash,
        IssuerSerial    issuerSerial)
    {
        this.certHash = new DEROctetString(hash);
        this.issuerSerial = issuerSerial;
    }

    public byte[] getCertHash()
    {
        return certHash.getOctets();
    }

    public IssuerSerial getIssuerSerial()
    {
        return issuerSerial;
    }

    /**
     * <pre>
     * ESSCertID ::= SEQUENCE {
     *     certHash Hash, 
     *     issuerSerial IssuerSerial OPTIONAL }
     * </pre>
     */
    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        
        v.add(certHash);
        
        if (issuerSerial != null)
        {
            v.add(issuerSerial);
        }

        return new DERSequence(v);
    }
}