DSASignatureFormatter Constructores

Definición

Espacio de nombres:

System.Security.Cryptography

Ensamblado:

System.Security.Cryptography.dll

Inicializa una nueva instancia de la clase DSASignatureFormatter.

Sobrecargas

DSASignatureFormatter()	Inicializa una nueva instancia de la clase DSASignatureFormatter.
DSASignatureFormatter(AsymmetricAlgorithm)	Inicializa una nueva instancia de la clase DSASignatureFormatter con la clave especificada.

DSASignatureFormatter()

Source:

DSASignatureFormatter.cs

Inicializa una nueva instancia de la clase DSASignatureFormatter.

public:
 DSASignatureFormatter();

public DSASignatureFormatter ();

Public Sub New ()

Consulte también

• servicios criptográficos

DSASignatureFormatter(AsymmetricAlgorithm)

Source:

DSASignatureFormatter.cs

Inicializa una nueva instancia de la clase DSASignatureFormatter con la clave especificada.

public:
 DSASignatureFormatter(System::Security::Cryptography::AsymmetricAlgorithm ^ key);

public DSASignatureFormatter (System.Security.Cryptography.AsymmetricAlgorithm key);

new System.Security.Cryptography.DSASignatureFormatter : System.Security.Cryptography.AsymmetricAlgorithm -> System.Security.Cryptography.DSASignatureFormatter

Public Sub New (key As AsymmetricAlgorithm)

Parámetros

key

AsymmetricAlgorithm

La instancia del algoritmo de firma digital (DSA) que contiene la clave.

Excepciones

ArgumentNullException

key es null.

Ejemplos

#using <System.dll>

using namespace System;
using namespace System::Security::Cryptography;
int main()
{
   try
   {
      
      //Create a new instance of DSA.
      DSA^ DSA = DSA::Create();
      
      //The hash to sign.
      array<Byte>^Hash = {59,4,248,102,77,97,142,201,210,12,224,93,25,41,100,197,213,134,130,135};
      
      //Create an DSASignatureFormatter Object* and pass it the 
      //DSA instance to transfer the key information.
      DSASignatureFormatter^ DSAFormatter = gcnew DSASignatureFormatter( DSA );
      
      //Set the hash algorithm to SHA1.
      DSAFormatter->SetHashAlgorithm( "SHA1" );
      
      //Create a signature for HashValue and return it.
      array<Byte>^SignedHash = DSAFormatter->CreateSignature( Hash );
   }
   catch ( CryptographicException^ e ) 
   {
      Console::WriteLine( e->Message );
   }

}

using System;
using System.Security.Cryptography;

class DSASample
{
        
    static void Main()
    {
        try
        {
            //Create a new instance of DSA.
            DSA DSA = DSA.Create();

            //The hash to sign.
            byte[] Hash = {59,4,248,102,77,97,142,201,210,12,224,93,25,41,100,197,213,134,130,135};

            //Create an DSASignatureFormatter object and pass it the 
            //DSA instance to transfer the key information.
            DSASignatureFormatter DSAFormatter = new DSASignatureFormatter(DSA);

            //Set the hash algorithm to SHA1.
            DSAFormatter.SetHashAlgorithm("SHA1");

            //Create a signature for HashValue and return it.
            byte[] SignedHash = DSAFormatter.CreateSignature(Hash);
        }
        catch(CryptographicException e)
        {
            Console.WriteLine(e.Message);
        }
    }
}

Imports System.Security.Cryptography

 _

Class DSASample


    Shared Sub Main()
        Try
            'Create a new instance of DSA.
            Dim DSA As DSA = DSA.Create()

            'The hash to sign.
            Dim Hash As Byte() = {59, 4, 248, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135}

            'Create an DSASignatureFormatter object and pass it the 
            'DSA instance to transfer the key information.
            Dim DSAFormatter As New DSASignatureFormatter(DSA)

            'Set the hash algorithm to SHA1.
            DSAFormatter.SetHashAlgorithm("SHA1")

            'Create a signature for HashValue and return it.
            Dim SignedHash As Byte() = DSAFormatter.CreateSignature(Hash)

        Catch e As CryptographicException
            Console.WriteLine(e.Message)
        End Try
    End Sub
End Class

Consulte también

• servicios criptográficos