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AssemblyName.GetPublicKeyToken (Método)

Actualización: noviembre 2007

Obtiene el token de clave pública, formado por los 8 últimos bytes del hash SHA-1 de la clave pública con la que se firma la aplicación o el ensamblado.

Espacio de nombres:  System.Reflection
Ensamblado:  mscorlib (en mscorlib.dll)

public byte[] GetPublicKeyToken()
public byte[] GetPublicKeyToken()
public function GetPublicKeyToken() : byte[]

Valor devuelto

Tipo: System.Byte[]
Matriz de tipo byte que contiene el token de clave pública.

En el ejemplo siguiente se emite un ensamblado dinámico y se guarda en el directorio actual. Cuando se crea el ensamblado, el método SetPublicKeyToken se utiliza para establecer un token de clave pública del ensamblado. El método GetPublicKeyToken se utiliza a continuación para recuperar el token de clave pública, que se muestra en la consola.


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

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 algoritm to 'SHA1'.
      myAssemblyName.HashAlgorithm = AssemblyHashAlgorithm.SHA1;
      myAssemblyName.VersionCompatibility = AssemblyVersionCompatibility.SameProcess;
      myAssemblyName.Flags = AssemblyNameFlags.PublicKey;
      // Provide this assembly with a strong name.
      myAssemblyName.KeyPair = new StrongNameKeyPair(File.Open("KeyPair.snk", FileMode.Open, FileAccess.Read));
      myAssemblyName.Name = "MyAssembly";
      myAssemblyName.Version = new Version("1.0.0.2001");
      MakeAssembly(myAssemblyName, "MyAssembly.exe");

      // Get the assemblies loaded in the current 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);
         Console.WriteLine("\nDisplaying the public key.\n");
         byte []pk;
         pk = myAssembly.GetName().GetPublicKey();
 	 for (int i=0;i<pk.GetLength(0);i++)
 		Console.Write ("{0:x}", pk[i]);
         Console.WriteLine();
         Console.WriteLine("\nDisplaying the public key token.\n");
         byte []pt;
         pt = myAssembly.GetName().GetPublicKeyToken();
 	 for (int i=0;i<pt.GetLength(0);i++)
 		Console.Write ("{0:x}", pt[i]);
      }
   }
}


import System.*;
import System.Reflection.*;
import System.Threading.*;
import System.IO.*;
import System.Globalization.*;
import System.Reflection.Emit.*;
import System.Configuration.Assemblies.*;
import System.Text.*;

public class AssemblyNameCodeBase
{
    public static void MakeAssembly(AssemblyName myAssemblyName, 
        String fileName)
    {
        // Get the assembly builder from the application domain associated 
        // with the current thread.
        AssemblyBuilder myAssemblyBuilder = System.Threading.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, void.class.ToType(), 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);
    } //MakeAssembly

    public static void main(String[] args)
    {
        // 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.set_CodeBase(Directory.GetCurrentDirectory());

        // Set the culture information of the assembly to 'English-American'.
        myAssemblyName.set_CultureInfo(new CultureInfo("en-US"));

        // Set the hash algoritm to 'SHA1'.
        myAssemblyName.set_HashAlgorithm(AssemblyHashAlgorithm.SHA1);
        myAssemblyName.set_VersionCompatibility(
            AssemblyVersionCompatibility.SameProcess);
        myAssemblyName.set_Flags(AssemblyNameFlags.PublicKey);

        // Provide this assembly with a strong name.
        myAssemblyName.set_KeyPair(new StrongNameKeyPair(File.Open(
            "KeyPair.snk", FileMode.Open, FileAccess.Read)));
        myAssemblyName.set_Name("MyAssembly");
        myAssemblyName.set_Version(new Version("1.0.0.2001"));
        MakeAssembly(myAssemblyName, "MyAssembly.exe");

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

        // Get the dynamic assembly named 'MyAssembly'. 
        Assembly myAssembly = null;
        for (int i = 0; i < myAssemblies.length; i++) {
            if (String.Compare(((Assembly)myAssemblies.get_Item(i)).GetName().
                get_Name(), "MyAssembly") == 0) {

                myAssembly = (Assembly)myAssemblies.get_Item(i);
            }
        }

        // Display the full assembly information to the console.
        if (myAssembly != null) {
            Console.WriteLine("\nDisplaying the full assembly name.\n");
            Console.WriteLine(myAssembly.GetName().get_FullName());
            Console.WriteLine("\nDisplaying the public key.\n");

            ubyte pk[];
            pk = myAssembly.GetName().GetPublicKey();
            for (int i = 0; i < pk.GetLength(0); i++) {
                Console.Write("{0:x}", pk.get_Item(i));
            }

            Console.WriteLine();
            Console.WriteLine("\nDisplaying the public key token.\n");

            ubyte pt[];
            pt = myAssembly.GetName().GetPublicKeyToken();
            for (int i = 0; i < pt.GetLength(0); i++) {
                Console.Write("{0:x}", pt.get_Item(i));
            }
        }
    } //main
} //AssemblyNameCodeBase


Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile para Smartphone, Windows Mobile para Pocket PC, Xbox 360

.NET Framework y .NET Compact Framework no admiten todas las versiones de cada plataforma. Para obtener una lista de las versiones compatibles, vea Requisitos de sistema de .NET Framework.

.NET Framework

Compatible con: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Compatible con: 3.5, 2.0, 1.0

XNA Framework

Compatible con: 2.0, 1.0
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