RSAPKCS1SignatureDeformatter 클래스

정의

RSA PKCS #1 버전 1.5 서명을 확인합니다.Verifies an RSA PKCS #1 version 1.5 signature.

public ref class RSAPKCS1SignatureDeformatter : System::Security::Cryptography::AsymmetricSignatureDeformatter
[System.Runtime.InteropServices.ComVisible(true)]
public class RSAPKCS1SignatureDeformatter : System.Security.Cryptography.AsymmetricSignatureDeformatter
type RSAPKCS1SignatureDeformatter = class
    inherit AsymmetricSignatureDeformatter
Public Class RSAPKCS1SignatureDeformatter
Inherits AsymmetricSignatureDeformatter
상속
RSAPKCS1SignatureDeformatter
특성

예제

다음 예제에서는 VerifySignature 메서드를 사용 하 여 서명을 확인 하는 방법을 보여 줍니다.The following example demonstrates how to use the VerifySignature method to verify a signature.

using System;
using System.Security.Cryptography;

class RSASample
{

    static void Main()
    {
        try
        {
            //Create a new instance of RSACryptoServiceProvider.
            using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
            {
                //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 
                //RSACryptoServiceProvider 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);
                //Create an RSAPKCS1SignatureDeformatter object and pass it the  
                //RSACryptoServiceProvider to transfer the key information.
                RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(rsa);
                RSADeformatter.SetHashAlgorithm("SHA256");
                //Verify the hash and display the results to the console. 
                if (RSADeformatter.VerifySignature(hash, signedHash))
                {
                    Console.WriteLine("The signature was verified.");
                }
                else
                {
                    Console.WriteLine("The signature was not verified.");
                }
            }
        }
        catch (CryptographicException e)
        {
            Console.WriteLine(e.Message);
        }
    }
}
Imports System.Security.Cryptography

Friend Class RSASample

    Shared Sub Main()
        Try
            'Create a new instance of RSACryptoServiceProvider.
            Using rsa As New RSACryptoServiceProvider()
                '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 
                'RSACryptoServiceProvider 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)
                'Create an RSAPKCS1SignatureDeformatter object and pass it the  
                'RSACryptoServiceProvider to transfer the key information.
                Dim RSADeformatter As New RSAPKCS1SignatureDeformatter(rsa)
                RSADeformatter.SetHashAlgorithm("SHA256")
                'Verify the hash and display the results to the console. 
                If RSADeformatter.VerifySignature(hash, signedHash) Then
                    Console.WriteLine("The signature was verified.")
                Else
                    Console.WriteLine("The signature was not verified.")
                End If
            End Using

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

End Class

설명

이 클래스는 RSA 알고리즘으로 작성 된 디지털 서명을 확인 하는 데 사용 됩니다.This class is used to verify a digital signature made with the RSA algorithm.

RSAPKCS1SignatureFormatter를 사용 하 여 RSA 알고리즘으로 디지털 서명을 만듭니다.Use RSAPKCS1SignatureFormatter to create digital signatures with the RSA algorithm.

생성자

RSAPKCS1SignatureDeformatter()

RSAPKCS1SignatureDeformatter 클래스의 새 인스턴스를 초기화합니다.Initializes a new instance of the RSAPKCS1SignatureDeformatter class.

RSAPKCS1SignatureDeformatter(AsymmetricAlgorithm)

지정된 키를 사용하여 RSAPKCS1SignatureDeformatter 클래스의 새 인스턴스를 초기화합니다.Initializes a new instance of the RSAPKCS1SignatureDeformatter class with the specified key.

메서드

Equals(Object)

지정한 개체가 현재 개체와 같은지를 확인합니다.Determines whether the specified object is equal to the current object.

(다음에서 상속됨 Object)
GetHashCode()

기본 해시 함수로 작동합니다.Serves as the default hash function.

(다음에서 상속됨 Object)
GetType()

현재 인스턴스의 Type을 가져옵니다.Gets the Type of the current instance.

(다음에서 상속됨 Object)
MemberwiseClone()

현재 Object의 단순 복사본을 만듭니다.Creates a shallow copy of the current Object.

(다음에서 상속됨 Object)
SetHashAlgorithm(String)

서명을 확인하는 데 사용할 해시 알고리즘을 설정합니다.Sets the hash algorithm to use for verifying the signature.

SetKey(AsymmetricAlgorithm)

서명 확인에 사용할 공개 키를 설정합니다.Sets the public key to use for verifying the signature.

ToString()

현재 개체를 나타내는 string을 반환합니다.Returns a string that represents the current object.

(다음에서 상속됨 Object)
VerifySignature(Byte[], Byte[])

지정된 데이터에 대한 RSA PKCS#1 서명을 확인합니다.Verifies the RSA PKCS#1 signature for the specified data.

VerifySignature(HashAlgorithm, Byte[])

지정된 해시 값에서 서명을 확인합니다.Verifies the signature from the specified hash value.

(다음에서 상속됨 AsymmetricSignatureDeformatter)

적용 대상

추가 정보