diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs b/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs index f8a32b5..a5202de 100644 --- a/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs +++ b/src/DotNetOpenAuth.OpenId/OpenId/OpenIdUtilities.cs @@ -12,14 +12,12 @@ namespace DotNetOpenAuth.OpenId { using System.Globalization; using System.IO; using System.Linq; - using System.Text; using System.Text.RegularExpressions; using System.Web; using System.Web.UI; using DotNetOpenAuth.Messaging; using DotNetOpenAuth.OpenId.ChannelElements; using DotNetOpenAuth.OpenId.Extensions; - using DotNetOpenAuth.OpenId.Messages; using Org.Mentalis.Security.Cryptography; /// <summary> @@ -31,8 +29,18 @@ namespace DotNetOpenAuth.OpenId { /// </summary> internal const string CustomParameterPrefix = "dnoa."; + /// <summary> + /// A static variable that carries the results of a check for the presence of + /// assemblies that are required for the Diffie-Hellman algorithm. + /// </summary> private static bool? diffieHellmanPresent; + /// <summary> + /// Gets a value indicating whether Diffie Hellman is available in this installation. + /// </summary> + /// <value> + /// <c>true</c> if Diffie-Hellman functionality is present; otherwise, <c>false</c>. + /// </value> internal static bool IsDiffieHellmanPresent { get { if (!diffieHellmanPresent.HasValue) { @@ -197,8 +205,14 @@ namespace DotNetOpenAuth.OpenId { return aggregator.Factories; } + /// <summary> + /// Loads the Diffie-Hellman assemblies. + /// </summary> + /// <exception cref="FileNotFoundException">Thrown if the DH assemblies are missing.</exception> private static void LoadDiffieHellmanTypes() { - var dhAssemblyType = typeof(DiffieHellmanManaged); + // This seeming no-op instruction is enough for the CLR to throw a FileNotFoundException + // If the assemblies are missing. + new DiffieHellmanManaged(); } } } |