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DSASignatureFormatter コンストラクタ (AsymmetricAlgorithm)

  • [アーティクル]

指定したキーを使用して、DSASignatureFormatter クラスの新しいインスタンスを初期化します。

名前空間: System.Security.Cryptography
アセンブリ: mscorlib (mscorlib.dll 内)

構文

'宣言
Public Sub New ( _
    key As AsymmetricAlgorithm _
)
'使用
Dim key As AsymmetricAlgorithm

Dim instance As New DSASignatureFormatter(key)

public DSASignatureFormatter (
    AsymmetricAlgorithm key
)

public:
DSASignatureFormatter (
    AsymmetricAlgorithm^ key
)

public DSASignatureFormatter (
    AsymmetricAlgorithm key
)

public function DSASignatureFormatter (
    key : AsymmetricAlgorithm
)

適用できません。

パラメータ

  • key
    キーを保持しているデジタル署名アルゴリズム (DSA) のインスタンス。

例外

例外の種類 条件

ArgumentNullException

key が null 参照 (Visual Basic では Nothing) です。

使用例

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

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);
        }
    }

}

#using <System.dll>

using namespace System;
using namespace System::Security::Cryptography;
int main()
{
   try
   {
      
      //Create a new instance of DSACryptoServiceProvider.
      DSACryptoServiceProvider^ DSA = gcnew DSACryptoServiceProvider;
      
      //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 
      //DSACryptoServiceProvider 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 );
   }

}

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

プラットフォーム

Windows 98,Windows Server 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

Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。

バージョン情報

.NET Framework

サポート対象 : 3.0,2.0,1.1,1.0

.NET Compact Framework

サポート対象 : 2.0

参照

関連項目

DSASignatureFormatter クラス
DSASignatureFormatter メンバ
System.Security.Cryptography 名前空間

その他の技術情報

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