AssemblyName.HashAlgorithm Propiedad

Definición

Espacio de nombres:

System.Reflection

Ensamblados:

netstandard.dll, System.Runtime.dll

Source:

AssemblyName.cs

Precaución

AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.

Indica o establece el algoritmo hash que utiliza el manifiesto del ensamblado.

C#

[System.Obsolete("AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.", DiagnosticId="SYSLIB0037", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public System.Configuration.Assemblies.AssemblyHashAlgorithm HashAlgorithm { get; set; }

Valor de propiedad

AssemblyHashAlgorithm

Algoritmo hash utilizado por el manifiesto del ensamblado.

Atributos

ObsoleteAttribute

Ejemplos

En el ejemplo siguiente se emite un ensamblado dinámico y se guarda en el directorio actual. Cuando se crea el ensamblado, la HashAlgorithm propiedad se usa para establecer el algoritmo hash para el manifiesto del ensamblado.

C#

using System;
using System.Reflection;
using System.Threading;
using System.IO;
using System.Globalization;
using System.Reflection.Emit;
using System.Configuration.Assemblies;

public class AssemblyName_CodeBase
{
   public static void MakeAssembly(AssemblyName myAssemblyName, string fileName)
   {
      // Get the assembly builder from the application domain associated with the current thread.
      AssemblyBuilder myAssemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(myAssemblyName, AssemblyBuilderAccess.RunAndSave);
      // Create a dynamic module in the assembly.
      ModuleBuilder myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("MyModule", fileName);
      // Create a type in the module.
      TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("MyType");
      // Create a method called 'Main'.
      MethodBuilder myMethodBuilder = myTypeBuilder.DefineMethod("Main", MethodAttributes.Public | MethodAttributes.HideBySig |
         MethodAttributes.Static, typeof(void), null);
      // Get the Intermediate Language generator for the method.
      ILGenerator myILGenerator = myMethodBuilder.GetILGenerator();
      // Use the utility method to generate the IL instructions that print a string to the console.
      myILGenerator.EmitWriteLine("Hello World!");
      // Generate the 'ret' IL instruction.
      myILGenerator.Emit(OpCodes.Ret);
      // End the creation of the type.
      myTypeBuilder.CreateType();
      // Set the method with name 'Main' as the entry point in the assembly.
      myAssemblyBuilder.SetEntryPoint(myMethodBuilder);
      myAssemblyBuilder.Save(fileName);
   }

   public static void Main()
   {

      // Create a dynamic assembly with name 'MyAssembly' and build version '1.0.0.2001'.
      AssemblyName myAssemblyName = new AssemblyName();
      // Set the codebase to the physical directory were the assembly resides.
      myAssemblyName.CodeBase = Directory.GetCurrentDirectory();
      // Set the culture information of the assembly to 'English-American'.
      myAssemblyName.CultureInfo = new CultureInfo("en-US");
      // Set the hash algorithm to 'SHA256'.
      myAssemblyName.HashAlgorithm = AssemblyHashAlgorithm.SHA256;
      myAssemblyName.Name = "MyAssembly";
      myAssemblyName.Version = new Version("1.0.0.2001");
      MakeAssembly(myAssemblyName, "MyAssembly.exe");

      // Get all the assemblies currently loaded in the application domain.
      Assembly[] myAssemblies = Thread.GetDomain().GetAssemblies();

      // Get the dynamic assembly named 'MyAssembly'.
      Assembly myAssembly = null;
      for(int i = 0; i < myAssemblies.Length; i++)
      {
         if(String.Compare(myAssemblies[i].GetName().Name, "MyAssembly") == 0)
            myAssembly = myAssemblies[i];
      }
      // Display the full assembly information to the console.
      if(myAssembly != null)
      {
         Console.WriteLine("\nDisplaying the full assembly name\n");
         Console.WriteLine(myAssembly.GetName().FullName);
      }
   }
}

Comentarios

Importante

A partir de .NET Framework 4, la HashAlgorithm propiedad de un AssemblyName objeto devuelto por el Assembly.GetReferencedAssemblies método es AssemblyHashAlgorithm.None si no hay ningún algoritmo hash para el ensamblado al que se hace referencia o si el algoritmo hash del ensamblado al que se hace referencia no se identifica mediante la System.Configuration.Assemblies.AssemblyHashAlgorithm enumeración . En versiones anteriores de .NET Framework, la HashAlgorithm propiedad devuelta AssemblyHashAlgorithm.SHA1 en esta situación.

Se aplica a