DSASignatureFormatter Class
Important
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Creates a Digital Signature Algorithm (DSA) signature.
public ref class DSASignatureFormatter : System::Security::Cryptography::AsymmetricSignatureFormatter
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public class DSASignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
public class DSASignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
[System.Runtime.InteropServices.ComVisible(true)]
public class DSASignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
type DSASignatureFormatter = class
inherit AsymmetricSignatureFormatter
type DSASignatureFormatter = class
inherit AsymmetricSignatureFormatter
[<System.Runtime.InteropServices.ComVisible(true)>]
type DSASignatureFormatter = class
inherit AsymmetricSignatureFormatter
Public Class DSASignatureFormatter
Inherits AsymmetricSignatureFormatter
- Inheritance
- Attributes
#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
Viktig
The creators of the DSA algorithm have withdrawn their support for it. Consider using the RSA class or the ECDsa class instead of the DSA class. Use DSA only for compatibility with legacy applications and data.
DSASignature |
Initializes a new instance of the DSASignatureFormatter class. |
DSASignature |
Initializes a new instance of the DSASignatureFormatter class with the specified key. |
Create |
Creates the Digital Signature Algorithm (DSA) PKCS #1 signature for the specified data. |
Create |
Creates the signature from the specified hash value. (Inherited from AsymmetricSignatureFormatter) |
Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object) |
Get |
Serves as the default hash function. (Inherited from Object) |
Get |
Gets the Type of the current instance. (Inherited from Object) |
Memberwise |
Creates a shallow copy of the current Object. (Inherited from Object) |
Set |
Specifies the hash algorithm for the Digital Signature Algorithm (DSA) signature formatter. |
Set |
Specifies the key to be used for the Digital Signature Algorithm (DSA) signature formatter. |
To |
Returns a string that represents the current object. (Inherited from Object) |
Produkt | Versjoner |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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