Hex.cs
3.33 KB
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
using System;
using System.IO;
using System.Text;
namespace Org.BouncyCastle.Utilities.Encoders
{
/// <summary>
/// Class to decode and encode Hex.
/// </summary>
public sealed class Hex
{
private static readonly IEncoder encoder = new HexEncoder();
private Hex()
{
}
public static string ToHexString(
byte[] data)
{
return ToHexString(data, 0, data.Length);
}
public static string ToHexString(
byte[] data,
int off,
int length)
{
byte[] hex = Encode(data, off, length);
return Strings.FromAsciiByteArray(hex);
}
/**
* encode the input data producing a Hex encoded byte array.
*
* @return a byte array containing the Hex encoded data.
*/
public static byte[] Encode(
byte[] data)
{
return Encode(data, 0, data.Length);
}
/**
* encode the input data producing a Hex encoded byte array.
*
* @return a byte array containing the Hex encoded data.
*/
public static byte[] Encode(
byte[] data,
int off,
int length)
{
MemoryStream bOut = new MemoryStream(length * 2);
encoder.Encode(data, off, length, bOut);
return bOut.ToArray();
}
/**
* Hex encode the byte data writing it to the given output stream.
*
* @return the number of bytes produced.
*/
public static int Encode(
byte[] data,
Stream outStream)
{
return encoder.Encode(data, 0, data.Length, outStream);
}
/**
* Hex encode the byte data writing it to the given output stream.
*
* @return the number of bytes produced.
*/
public static int Encode(
byte[] data,
int off,
int length,
Stream outStream)
{
return encoder.Encode(data, off, length, outStream);
}
/**
* decode the Hex encoded input data. It is assumed the input data is valid.
*
* @return a byte array representing the decoded data.
*/
public static byte[] Decode(
byte[] data)
{
MemoryStream bOut = new MemoryStream((data.Length + 1) / 2);
encoder.Decode(data, 0, data.Length, bOut);
return bOut.ToArray();
}
/**
* decode the Hex encoded string data - whitespace will be ignored.
*
* @return a byte array representing the decoded data.
*/
public static byte[] Decode(
string data)
{
MemoryStream bOut = new MemoryStream((data.Length + 1) / 2);
encoder.DecodeString(data, bOut);
return bOut.ToArray();
}
/**
* decode the Hex encoded string data writing it to the given output stream,
* whitespace characters will be ignored.
*
* @return the number of bytes produced.
*/
public static int Decode(
string data,
Stream outStream)
{
return encoder.DecodeString(data, outStream);
}
}
}