blob: 41ccae8a10c8dc253608eb3e38542e5f6962080f (
plain) (
blame)
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
103
104
105
106
107
108
109
110
|
using System;
namespace Org.BouncyCastle.Asn1
{
public class DerBoolean
: Asn1Object
{
private readonly byte value;
public static readonly DerBoolean False = new DerBoolean(false);
public static readonly DerBoolean True = new DerBoolean(true);
/**
* return a bool from the passed in object.
*
* @exception ArgumentException if the object cannot be converted.
*/
public static DerBoolean GetInstance(
object obj)
{
if (obj == null || obj is DerBoolean)
{
return (DerBoolean) obj;
}
throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
}
/**
* return a DerBoolean from the passed in bool.
*/
public static DerBoolean GetInstance(
bool value)
{
return value ? True : False;
}
/**
* return a Boolean from a tagged object.
*
* @param obj the tagged object holding the object we want
* @param explicitly true if the object is meant to be explicitly
* tagged false otherwise.
* @exception ArgumentException if the tagged object cannot
* be converted.
*/
public static DerBoolean GetInstance(
Asn1TaggedObject obj,
bool isExplicit)
{
Asn1Object o = obj.GetObject();
if (isExplicit || o is DerBoolean)
{
return GetInstance(o);
}
return new DerBoolean(((Asn1OctetString)o).GetOctets());
}
public DerBoolean(
byte[] val)
{
if (val.Length != 1)
throw new ArgumentException("byte value should have 1 byte in it", "val");
// TODO Are there any constraints on the possible byte values?
this.value = val[0];
}
private DerBoolean(
bool value)
{
this.value = value ? (byte)0xff : (byte)0;
}
public bool IsTrue
{
get { return value != 0; }
}
internal override void Encode(
DerOutputStream derOut)
{
// TODO Should we make sure the byte value is one of '0' or '0xff' here?
derOut.WriteEncoded(Asn1Tags.Boolean, new byte[]{ value });
}
protected override bool Asn1Equals(
Asn1Object asn1Object)
{
DerBoolean other = asn1Object as DerBoolean;
if (other == null)
return false;
return IsTrue == other.IsTrue;
}
protected override int Asn1GetHashCode()
{
return IsTrue.GetHashCode();
}
public override string ToString()
{
return IsTrue ? "TRUE" : "FALSE";
}
}
}
|
