RSAPKCS1SignatureFormatter 类

定义

创建 RSA PKCS #1 1.5 版签名。Creates an RSA PKCS #1 version 1.5 signature.

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
继承
RSAPKCS1SignatureFormatter
属性

示例

下面的示例演示如何创建 PKCS #1 1.5 版签名。The following example demonstrates how to create a PKCS #1 version 1.5 signature.

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

注解

此类用于使用算法创建数字签名 RSAThis class is used to create a digital signature using the RSA algorithm.

使用 RSAPKCS1SignatureDeformatter 可以使用算法来验证数字签名 RSAUse RSAPKCS1SignatureDeformatter to verify digital signatures with the RSA algorithm.

构造函数

RSAPKCS1SignatureFormatter()

初始化 RSAPKCS1SignatureFormatter 类的新实例。Initializes a new instance of the RSAPKCS1SignatureFormatter class.

RSAPKCS1SignatureFormatter(AsymmetricAlgorithm)

使用指定的密钥初始化 RSAPKCS1SignatureFormatter 类的新实例。Initializes a new instance of the RSAPKCS1SignatureFormatter class with the specified key.

方法

CreateSignature(Byte[])

为指定数据创建 RSA PKCS #1 签名。Creates the RSA PKCS #1 signature for the specified data.

CreateSignature(HashAlgorithm)

使用指定哈希值创建签名。Creates the signature from the specified hash value.

(继承自 AsymmetricSignatureFormatter)
Equals(Object)

确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(继承自 Object)
GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetType()

获取当前实例的 TypeGets the Type of the current instance.

(继承自 Object)
MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
SetHashAlgorithm(String)

设置用于创建签名的哈希算法。Sets the hash algorithm to use for creating the signature.

SetKey(AsymmetricAlgorithm)

设置要用于创建签名的私钥。Sets the private key to use for creating the signature.

ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(继承自 Object)

适用于