DSASignatureFormatter Class
.NET Framework 2.0
Creates a Digital Signature Algorithm (DSA) signature.
Namespace: System.Security.Cryptography
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ComVisibleAttribute(True)> _ Public Class DSASignatureFormatter Inherits AsymmetricSignatureFormatter 'Usage Dim instance As DSASignatureFormatter
/** @attribute ComVisibleAttribute(true) */ public class DSASignatureFormatter extends AsymmetricSignatureFormatter
ComVisibleAttribute(true) public class DSASignatureFormatter extends AsymmetricSignatureFormatter
Imports System Imports System.Security.Cryptography _ Class DSASample Shared Sub Main() Try 'Create a new instance of DSACryptoServiceProvider. Dim DSA As New DSACryptoServiceProvider() '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 'DSACryptoServiceProvider 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
import System.*;
import System.Security.Cryptography.*;
class DSASample
{
public static void main(String[] args)
{
try {
// Create a new instance of DSACryptoServiceProvider.
DSACryptoServiceProvider dsa = new DSACryptoServiceProvider();
// The hash to sign.
ubyte 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
// DSACryptoServiceProvider 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.
ubyte signedHash[] = dsaFormatter.CreateSignature(hash);
}
catch (CryptographicException e) {
Console.WriteLine(e.get_Message());
}
} //main
} //DSASample
System.Object
System.Security.Cryptography.AsymmetricSignatureFormatter
System.Security.Cryptography.DSASignatureFormatter
System.Security.Cryptography.AsymmetricSignatureFormatter
System.Security.Cryptography.DSASignatureFormatter
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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