[System.Data] Use same socket family for data receiver as it has its client. Fixes...
[mono.git] / mcs / class / System.Core / System.Security.Cryptography / CngProvider.cs
1 //
2 // System.Security.Cryptography.CngProvider
3 //
4 // Authors:
5 //      Sebastien Pouliot  <sebastien@ximian.com>
6 //
7 // Copyright (C) 2008 Novell, Inc (http://www.novell.com)
8 // Copyright (C) 2011 Juho Vähä-Herttua
9 //
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
17 // 
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
20 // 
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 //
29
30 using System;
31
32 namespace System.Security.Cryptography {
33
34         // note: CNG stands for "Cryptography API: Next Generation"
35
36         [Serializable]
37         public sealed class CngProvider : IEquatable<CngProvider> {
38
39                 private string m_Provider;
40
41                 public CngProvider (string provider)
42                 {
43                         if (provider == null)
44                                 throw new ArgumentNullException ("provider");
45                         if (provider.Length == 0)
46                                 throw new ArgumentException ("provider");
47
48                         m_Provider = provider;
49                 }
50
51                 public string Provider {
52                         get { return m_Provider; }
53                 }
54
55                 public bool Equals (CngProvider other)
56                 {
57                         if (other == null)
58                                 return false;
59                         return m_Provider == other.m_Provider;
60                 }
61
62                 public override bool Equals (object obj)
63                 {
64                         return Equals (obj as CngProvider);
65                 }
66
67                 public override int GetHashCode ()
68                 {
69                         return m_Provider.GetHashCode ();
70                 }
71
72                 public override string ToString ()
73                 {
74                         return m_Provider;
75                 }
76
77                 // static
78
79                 private static CngProvider microsoftSmartCardKeyStorageProvider;
80                 private static CngProvider microsoftSoftwareKeyStorageProvider;
81
82                 public static CngProvider MicrosoftSmartCardKeyStorageProvider {
83                         get {
84                                 if (microsoftSmartCardKeyStorageProvider == null)
85                                         microsoftSmartCardKeyStorageProvider = new CngProvider ("Microsoft Smart Card Key Storage Provider");
86                                 return microsoftSmartCardKeyStorageProvider;
87                         }
88                 }
89
90                 public static CngProvider MicrosoftSoftwareKeyStorageProvider {
91                         get {
92                                 if (microsoftSoftwareKeyStorageProvider == null)
93                                         microsoftSoftwareKeyStorageProvider = new CngProvider ("Microsoft Software Key Storage Provider");
94                                 return microsoftSoftwareKeyStorageProvider;
95                         }
96                 }
97
98                 public static bool operator == (CngProvider left, CngProvider right)
99                 {
100                         if ((object)left == null)
101                                 return ((object)right == null);
102                         return left.Equals (right);
103                 }
104
105                 public static bool operator != (CngProvider left, CngProvider right)
106                 {
107                         if ((object)left == null)
108                                 return ((object)right != null);
109                         return !left.Equals (right);
110                 }
111         }
112 }