DSASignatureFormatter Class
Creates a Digital Signature Algorithm (DSA) PKCS#1 v1.5 signature.
For a list of all members of this type, see DSASignatureFormatter Members.
System.Object
System.Security.Cryptography.AsymmetricSignatureFormatter
System.Security.Cryptography.DSASignatureFormatter
[Visual Basic] Public Class DSASignatureFormatter Inherits AsymmetricSignatureFormatter [C#] public class DSASignatureFormatter : AsymmetricSignatureFormatter [C++] public __gc class DSASignatureFormatter : public AsymmetricSignatureFormatter [JScript] public class DSASignatureFormatter extends AsymmetricSignatureFormatter
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Example
[Visual Basic] 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 [C#] using System; using System.Security.Cryptography; class DSASample { static void Main() { try { //Create a new instance of DSACryptoServiceProvider. DSACryptoServiceProvider DSA = new DSACryptoServiceProvider(); //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 //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. byte[] SignedHash = DSAFormatter.CreateSignature(Hash); } catch(CryptographicException e) { Console.WriteLine(e.Message); } } } [C++] #using <mscorlib.dll> #using <System.dll> using namespace System; using namespace System::Security::Cryptography; int main() { try { //Create a new instance of DSACryptoServiceProvider. DSACryptoServiceProvider* DSA = new DSACryptoServiceProvider(); //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 //DSACryptoServiceProvider to transfer the key information. DSASignatureFormatter* DSAFormatter = new DSASignatureFormatter(DSA); //Set the hash algorithm to SHA1. DSAFormatter->SetHashAlgorithm(S"SHA1"); //Create a signature for HashValue and return it. Byte SignedHash[] = DSAFormatter->CreateSignature(Hash); } catch (CryptographicException* e) { Console::WriteLine(e->Message); } }
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Requirements
Namespace: System.Security.Cryptography
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
Assembly: Mscorlib (in Mscorlib.dll)
See Also
DSASignatureFormatter Members | System.Security.Cryptography Namespace | Cryptographic Services