blob: 855974d29c120ec77e83b18b46446f1647122820 (
plain)
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
96
97
98
99
100
101
102
|
package org.bouncycastle.asn1.x9;
import java.math.BigInteger;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
/**
* Diffie-Hellman domain validation parameters.
* <pre>
* ValidationParams ::= SEQUENCE {
* seed BIT STRING,
* pgenCounter INTEGER
* }
* </pre>
*/
public class ValidationParams
extends ASN1Object
{
private DERBitString seed;
private ASN1Integer pgenCounter;
public static ValidationParams getInstance(ASN1TaggedObject obj, boolean explicit)
{
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
public static ValidationParams getInstance(Object obj)
{
if (obj instanceof ValidationParams)
{
return (ValidationParams)obj;
}
else if (obj != null)
{
return new ValidationParams(ASN1Sequence.getInstance(obj));
}
return null;
}
public ValidationParams(byte[] seed, int pgenCounter)
{
if (seed == null)
{
throw new IllegalArgumentException("'seed' cannot be null");
}
this.seed = new DERBitString(seed);
this.pgenCounter = new ASN1Integer(pgenCounter);
}
public ValidationParams(DERBitString seed, ASN1Integer pgenCounter)
{
if (seed == null)
{
throw new IllegalArgumentException("'seed' cannot be null");
}
if (pgenCounter == null)
{
throw new IllegalArgumentException("'pgenCounter' cannot be null");
}
this.seed = seed;
this.pgenCounter = pgenCounter;
}
private ValidationParams(ASN1Sequence seq)
{
if (seq.size() != 2)
{
throw new IllegalArgumentException("Bad sequence size: " + seq.size());
}
this.seed = DERBitString.getInstance(seq.getObjectAt(0));
this.pgenCounter = ASN1Integer.getInstance(seq.getObjectAt(1));
}
public byte[] getSeed()
{
return this.seed.getBytes();
}
public BigInteger getPgenCounter()
{
return this.pgenCounter.getPositiveValue();
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(this.seed);
v.add(this.pgenCounter);
return new DERSequence(v);
}
}
|