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
|
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);
}
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);
}
}
}
|
