mcs/class/System.Security/System.Security.Cryptography/Oid.cs

   1 //
   2 // Oid.cs - System.Security.Cryptography.Oid
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 #if NET_1_2
  11
  12 using System;
  13
  14 namespace System.Security.Cryptography {
  15
  16         // Note: Match the definition of framework version 1.2.3400.0 on http://longhorn.msdn.microsoft.com
  17
  18         public sealed class Oid {
  19
  20                 private string _value;
  21                 private string _name;
  22
  23                 // constructors
  24
  25                 public Oid () {}
  26
  27                 public Oid (string oid)
  28                 {
  29                         if (oid == null)
  30                                 throw new ArgumentNullException ("oid");
  31
  32                         _value = oid;
  33                         _name = GetName (oid);
  34                 }
  35
  36                 public Oid (string value, string friendlyName)
  37                 {
  38                         _value = value;
  39                         _name = friendlyName;
  40                 }
  41
  42                 public Oid (Oid oid)
  43                 {
  44 // FIXME: compatibility with fx 1.2.3400.0
  45 //                      if (oid == null)
  46 //                              throw new ArgumentNullException ("oid");
  47
  48                         _value = oid.Value;
  49                         _name = oid.FriendlyName;
  50                 }
  51
  52                 // properties
  53
  54                 public string FriendlyName {
  55                         get { return _name; }
  56                         set {
  57                                 if (value == null)
  58                                         throw new ArgumentNullException ("value");
  59
  60                                 _name = value;
  61                                 _value = GetValue (_name);
  62                         }
  63                 }
  64
  65                 public string Value {
  66                         get { return _value; }
  67                         set {
  68                                 if (value == null)
  69                                         throw new ArgumentNullException ("value");
  70
  71                                 _value = value;
  72                                 _name = GetName (_value);
  73                         }
  74                 }
  75
  76                 // private methods
  77
  78                 // TODO - find the complete list
  79                 private string GetName (string value)
  80                 {
  81                         switch (value) {
  82                                 case "1.2.840.113549.1.1.1":
  83                                         return "RSA";
  84                                 default:
  85                                         return _name;
  86                         }
  87                 }
  88
  89                 // TODO - find the complete list
  90                 private string GetValue (string name)
  91                 {
  92                         switch (name) {
  93                                 case "RSA":
  94                                         return "1.2.840.113549.1.1.1";
  95                                 default:
  96                                         return _value;
  97                         }
  98                 }
  99         }
 100 }
 101
 102 #endif