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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
using System;
using System.IO;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1
{
public class DerGraphicString
: DerStringBase
{
internal class Meta : Asn1UniversalType
{
internal static readonly Asn1UniversalType Instance = new Meta();
private Meta() : base(typeof(DerGraphicString), Asn1Tags.GraphicString) {}
internal override Asn1Object FromImplicitPrimitive(DerOctetString octetString)
{
return CreatePrimitive(octetString.GetOctets());
}
}
/**
* return a Graphic String from the passed in object
*
* @param obj a DerGraphicString or an object that can be converted into one.
* @exception IllegalArgumentException if the object cannot be converted.
* @return a DerGraphicString instance, or null.
*/
public static DerGraphicString GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is DerGraphicString derGraphicString)
return derGraphicString;
if (obj is IAsn1Convertible asn1Convertible)
{
Asn1Object asn1Object = asn1Convertible.ToAsn1Object();
if (asn1Object is DerGraphicString converted)
return converted;
}
else if (obj is byte[] bytes)
{
try
{
return (DerGraphicString)Meta.Instance.FromByteArray(bytes);
}
catch (IOException e)
{
throw new ArgumentException("failed to construct graphic string from byte[]: " + e.Message);
}
}
throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj), "obj");
}
/**
* return a Graphic String from a tagged object.
*
* @param taggedObject the tagged object holding the object we want
* @param declaredExplicit true if the object is meant to be explicitly tagged false otherwise.
* @exception IllegalArgumentException if the tagged object cannot be converted.
* @return a DerGraphicString instance, or null.
*/
public static DerGraphicString GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return (DerGraphicString)Meta.Instance.GetContextInstance(taggedObject, declaredExplicit);
}
private readonly byte[] m_contents;
public DerGraphicString(byte[] contents)
: this(contents, true)
{
}
internal DerGraphicString(byte[] contents, bool clone)
{
if (null == contents)
throw new ArgumentNullException("contents");
this.m_contents = clone ? Arrays.Clone(contents) : contents;
}
public override string GetString()
{
return Strings.FromByteArray(m_contents);
}
public byte[] GetOctets()
{
return Arrays.Clone(m_contents);
}
internal override IAsn1Encoding GetEncoding(int encoding)
{
return new PrimitiveEncoding(Asn1Tags.Universal, Asn1Tags.GraphicString, m_contents);
}
internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
{
return new PrimitiveEncoding(tagClass, tagNo, m_contents);
}
internal sealed override DerEncoding GetEncodingDer()
{
return new PrimitiveDerEncoding(Asn1Tags.Universal, Asn1Tags.GraphicString, m_contents);
}
internal sealed override DerEncoding GetEncodingDerImplicit(int tagClass, int tagNo)
{
return new PrimitiveDerEncoding(tagClass, tagNo, m_contents);
}
protected override int Asn1GetHashCode()
{
return Arrays.GetHashCode(m_contents);
}
protected override bool Asn1Equals(Asn1Object asn1Object)
{
DerGraphicString that = asn1Object as DerGraphicString;
return null != that
&& Arrays.AreEqual(this.m_contents, that.m_contents);
}
internal static DerGraphicString CreatePrimitive(byte[] contents)
{
return new DerGraphicString(contents, false);
}
}
}
|
