共用方式為


RSAPKCS1SignatureFormatter 類別

定義

建立 RSA PKCS #1 1.5 版簽章。

public ref class RSAPKCS1SignatureFormatter : System::Security::Cryptography::AsymmetricSignatureFormatter
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public class RSAPKCS1SignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
public class RSAPKCS1SignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
[System.Runtime.InteropServices.ComVisible(true)]
public class RSAPKCS1SignatureFormatter : System.Security.Cryptography.AsymmetricSignatureFormatter
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
type RSAPKCS1SignatureFormatter = class
    inherit AsymmetricSignatureFormatter
type RSAPKCS1SignatureFormatter = class
    inherit AsymmetricSignatureFormatter
[<System.Runtime.InteropServices.ComVisible(true)>]
type RSAPKCS1SignatureFormatter = class
    inherit AsymmetricSignatureFormatter
Public Class RSAPKCS1SignatureFormatter
Inherits AsymmetricSignatureFormatter
繼承
RSAPKCS1SignatureFormatter
屬性

範例

下列範例示範如何建立 PKCS #1 1.5 版簽章。

using System;
using System.Security.Cryptography;

class RSASample
{

    static void Main()
    {
        try
        {
            //Create a new instance of RSA.
            using (RSA rsa = RSA.Create())
            {
                //The hash to sign.
                byte[] hash;
                using (SHA256 sha256 = SHA256.Create())
                {
                    byte[] data = new byte[] { 59, 4, 248, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135 };
                    hash = sha256.ComputeHash(data);
                }

                //Create an RSASignatureFormatter object and pass it the 
                //RSA instance to transfer the key information.
                RSAPKCS1SignatureFormatter RSAFormatter = new RSAPKCS1SignatureFormatter(rsa);

                //Set the hash algorithm to SHA256.
                RSAFormatter.SetHashAlgorithm("SHA256");

                //Create a signature for HashValue and return it.
                byte[] SignedHash = RSAFormatter.CreateSignature(hash);
            }
        }
        catch (CryptographicException e)
        {
            Console.WriteLine(e.Message);
        }
    }
}
Imports System.Security.Cryptography

Friend Class RSASample

    Shared Sub Main()
        Try
            'Create a new instance of RSA.
            Using rsa As RSA = RSA.Create()
                'The hash to sign.
                Dim hash() As Byte
                Using sha256 As SHA256 = SHA256.Create()
                    Dim data() As Byte = { 59, 4, 248, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135 }
                    hash = sha256.ComputeHash(data)
                End Using

                'Create an RSASignatureFormatter object and pass it the 
                'RSA to transfer the key information.
                Dim RSAFormatter As New RSAPKCS1SignatureFormatter(rsa)

                'Set the hash algorithm to SHA256.
                RSAFormatter.SetHashAlgorithm("SHA256")

                'Create a signature for HashValue and return it.
                Dim SignedHash() As Byte = RSAFormatter.CreateSignature(hash)
            End Using

        Catch e As CryptographicException
            Console.WriteLine(e.Message)
        End Try
    End Sub

End Class

備註

這個類別是用來使用 RSA 演算法建立數字簽名。

使用 RSAPKCS1SignatureDeformatter 來驗證使用演算法的 RSA 數字簽名。

建構函式

RSAPKCS1SignatureFormatter()

初始化 RSAPKCS1SignatureFormatter 類別的新執行個體。

RSAPKCS1SignatureFormatter(AsymmetricAlgorithm)

使用指定的金鑰,初始化 RSAPKCS1SignatureFormatter 類別的新執行個體。

方法

CreateSignature(Byte[])

建立所指定資料的 RSA PKCS #1 簽章。

CreateSignature(HashAlgorithm)

建立指定雜湊值的簽章。

(繼承來源 AsymmetricSignatureFormatter)
Equals(Object)

判斷指定的物件是否等於目前的物件。

(繼承來源 Object)
GetHashCode()

做為預設雜湊函式。

(繼承來源 Object)
GetType()

取得目前執行個體的 Type

(繼承來源 Object)
MemberwiseClone()

建立目前 Object 的淺層複製。

(繼承來源 Object)
SetHashAlgorithm(String)

設定建立簽章時所要使用的雜湊演算法。

SetKey(AsymmetricAlgorithm)

設定要用來建立簽章的私密金鑰。

ToString()

傳回代表目前物件的字串。

(繼承來源 Object)

適用於

另請參閱