2 // System.Security.Cryptography.CngProvider
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2008 Novell, Inc (http://www.novell.com)
8 // Copyright (C) 2011 Juho Vähä-Herttua
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:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
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.
32 namespace System.Security.Cryptography {
34 // note: CNG stands for "Cryptography API: Next Generation"
37 public sealed class CngProvider : IEquatable<CngProvider> {
39 private string m_Provider;
41 public CngProvider (string provider)
44 throw new ArgumentNullException ("provider");
45 if (provider.Length == 0)
46 throw new ArgumentException ("provider");
48 m_Provider = provider;
51 public string Provider {
52 get { return m_Provider; }
55 public bool Equals (CngProvider other)
59 return m_Provider == other.m_Provider;
62 public override bool Equals (object obj)
64 return Equals (obj as CngProvider);
67 public override int GetHashCode ()
69 return m_Provider.GetHashCode ();
72 public override string ToString ()
79 private static CngProvider microsoftSmartCardKeyStorageProvider;
80 private static CngProvider microsoftSoftwareKeyStorageProvider;
82 public static CngProvider MicrosoftSmartCardKeyStorageProvider {
84 if (microsoftSmartCardKeyStorageProvider == null)
85 microsoftSmartCardKeyStorageProvider = new CngProvider ("Microsoft Smart Card Key Storage Provider");
86 return microsoftSmartCardKeyStorageProvider;
90 public static CngProvider MicrosoftSoftwareKeyStorageProvider {
92 if (microsoftSoftwareKeyStorageProvider == null)
93 microsoftSoftwareKeyStorageProvider = new CngProvider ("Microsoft Software Key Storage Provider");
94 return microsoftSoftwareKeyStorageProvider;
98 public static bool operator == (CngProvider left, CngProvider right)
100 if ((object)left == null)
101 return ((object)right == null);
102 return left.Equals (right);
105 public static bool operator != (CngProvider left, CngProvider right)
107 if ((object)left == null)
108 return ((object)right != null);
109 return !left.Equals (right);