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DSASignatureFormatter Class

Creates a Digital Signature Algorithm (DSA) signature.

Namespace:  System.Security.Cryptography
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
<ComVisibleAttribute(True)> _
Public Class DSASignatureFormatter _
	Inherits AsymmetricSignatureFormatter
'Usage
Dim instance As DSASignatureFormatter

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

System.Object
  System.Security.Cryptography.AsymmetricSignatureFormatter
    System.Security.Cryptography.DSASignatureFormatter

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0
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