ICertificatePolicy 인터페이스

정의

서버 인증서의 유효성을 검사합니다.

public interface class ICertificatePolicy
public interface ICertificatePolicy
type ICertificatePolicy = interface
Public Interface ICertificatePolicy

예제

다음 예제에서는 인증서 문제에 대해 반환 false 하고 콘솔에서 문제를 나타내는 메시지를 출력하는 인증서 정책을 만듭니다. CertificateProblem 열거형은 인증서 문제에 대한 SSPI 상수와 프라이빗 GetProblemMessage 메서드가 문제에 대한 인쇄 가능한 메시지를 만듭니다.

public enum class CertificateProblem : UInt32
{
   CertEXPIRED = 0x800B0101,
   CertVALIDITYPERIODNESTING = 0x800B0102,
   CertROLE = 0x800B0103,
   CertPATHLENCONST = 0x800B0104,
   CertCRITICAL = 0x800B0105,
   CertPURPOSE = 0x800B0106,
   CertISSUERCHAINING = 0x800B0107,
   CertMALFORMED = 0x800B0108,
   CertUNTRUSTEDROOT = 0x800B0109,
   CertCHAINING = 0x800B010A,
   CertREVOKED = 0x800B010C,
   CertUNTRUSTEDTESTROOT = 0x800B010D,
   CertREVOCATION_FAILURE = 0x800B010E,
   CertCN_NO_MATCH = 0x800B010F,
   CertWRONG_USAGE = 0x800B0110,
   CertUNTRUSTEDCA = 0x800B0112
};

public ref class MyCertificateValidation: public ICertificatePolicy
{
public:

   // Default policy for certificate validation.
   static bool DefaultValidate = false;
   virtual bool CheckValidationResult( ServicePoint^ /*sp*/, X509Certificate^ /*cert*/, WebRequest^ request, int problem )
   {
      bool ValidationResult = false;
      Console::WriteLine( "Certificate Problem with accessing {0}", request->RequestUri );
      Console::Write( "Problem code 0x{0:X8},", (int)problem );
      Console::WriteLine( GetProblemMessage( (CertificateProblem)problem ) );
      ValidationResult = DefaultValidate;
      return ValidationResult;
   }

private:
   String^ GetProblemMessage( CertificateProblem Problem )
   {
      String^ ProblemMessage = "";
      CertificateProblem problemList = CertificateProblem(  );
      String^ ProblemCodeName = Enum::GetName( problemList.GetType(), Problem );
      if ( ProblemCodeName != nullptr )
            ProblemMessage = String::Concat( ProblemMessage, "-Certificateproblem:", ProblemCodeName );
      else
            ProblemMessage = "Unknown Certificate Problem";

      return ProblemMessage;
   }
};
public  enum    CertificateProblem  : long
{
        CertEXPIRED                   = 0x800B0101,
        CertVALIDITYPERIODNESTING     = 0x800B0102,
        CertROLE                      = 0x800B0103,
        CertPATHLENCONST              = 0x800B0104,
        CertCRITICAL                  = 0x800B0105,
        CertPURPOSE                   = 0x800B0106,
        CertISSUERCHAINING            = 0x800B0107,
        CertMALFORMED                 = 0x800B0108,
        CertUNTRUSTEDROOT             = 0x800B0109,
        CertCHAINING                  = 0x800B010A,
        CertREVOKED                   = 0x800B010C,
        CertUNTRUSTEDTESTROOT         = 0x800B010D,
        CertREVOCATION_FAILURE        = 0x800B010E,
        CertCN_NO_MATCH               = 0x800B010F,
        CertWRONG_USAGE               = 0x800B0110,
        CertUNTRUSTEDCA               = 0x800B0112
}

public class MyCertificateValidation : ICertificatePolicy
{
    // Default policy for certificate validation.
    public static bool DefaultValidate = false;

    public bool CheckValidationResult(ServicePoint sp, X509Certificate cert,
       WebRequest request, int problem)
    {
        bool ValidationResult=false;
        Console.WriteLine("Certificate Problem with accessing " +
           request.RequestUri);
        Console.Write("Problem code 0x{0:X8},",(int)problem);
        Console.WriteLine(GetProblemMessage((CertificateProblem)problem));

        ValidationResult = DefaultValidate;
        return ValidationResult;
    }

    private String GetProblemMessage(CertificateProblem Problem)
    {
        String ProblemMessage = "";
        CertificateProblem problemList = new CertificateProblem();
        String ProblemCodeName = Enum.GetName(problemList.GetType(),Problem);
        if(ProblemCodeName != null)
           ProblemMessage = ProblemMessage + "-Certificateproblem:" +
              ProblemCodeName;
        else
           ProblemMessage = "Unknown Certificate Problem";
        return ProblemMessage;
     }
}
Public Enum CertificateProblem As Long
    CertEXPIRED                   = 2148204801    ' 0x800B0101
    CertVALIDITYPERIODNESTING     = 2148204802    ' 0x800B0102
    CertROLE                      = 2148204803    ' 0x800B0103
    CertPATHLENCONST              = 2148204804    ' 0x800B0104
    CertCRITICAL                  = 2148204805    ' 0x800B0105
    CertPURPOSE                   = 2148204806    ' 0x800B0106
    CertISSUERCHAINING            = 2148204807    ' 0x800B0107
    CertMALFORMED                 = 2148204808    ' 0x800B0108
    CertUNTRUSTEDROOT             = 2148204809    ' 0x800B0109
    CertCHAINING                  = 2148204810    ' 0x800B010A
    CertREVOKED                   = 2148204812    ' 0x800B010C
    CertUNTRUSTEDTESTROOT         = 2148204813    ' 0x800B010D       
    CertREVOCATION_FAILURE        = 2148204814    ' 0x800B010E
    CertCN_NO_MATCH               = 2148204815    ' 0x800B010F
    CertWRONG_USAGE               = 2148204816    ' 0x800B0110
    CertUNTRUSTEDCA               = 2148204818     ' 0x800B0112
End Enum


Public Class MyCertificateValidation
    Implements ICertificatePolicy
    
    ' Default policy for certificate validation.
    Public Shared DefaultValidate As Boolean = False    
    
    Public Function CheckValidationResult(srvPoint As ServicePoint, _
       cert As X509Certificate, request As WebRequest, problem As Integer) _
       As Boolean Implements ICertificatePolicy.CheckValidationResult
       
        Dim ValidationResult As Boolean = False
        Console.WriteLine(("Certificate Problem with accessing " & _
           request.RequestUri.ToString()))
        Console.Write("Problem code 0x{0:X8},", CInt(problem))
        Console.WriteLine(GetProblemMessage(CType(problem, _
           CertificateProblem)))
        
        ValidationResult = DefaultValidate
        Return ValidationResult
    End Function    
    
    Private Function GetProblemMessage(Problem As CertificateProblem) As String
        Dim ProblemMessage As String = ""
        Dim problemList As New CertificateProblem()
        Dim ProblemCodeName As String = System.Enum.GetName( _
           problemList.GetType(), Problem)
        If Not (ProblemCodeName Is Nothing) Then
            ProblemMessage = ProblemMessage + "-Certificateproblem:" & _
               ProblemCodeName
        Else
            ProblemMessage = "Unknown Certificate Problem"
        End If
        Return ProblemMessage
    End Function
End Class

설명

인터페이스 ICertificatePolicy 는 애플리케이션에 대한 사용자 지정 보안 인증서 유효성 검사를 제공하는 데 사용됩니다. 기본 정책은 유효한 인증서와 만료된 유효한 인증서를 허용하는 것입니다. 이 정책을 변경하려면 다른 정책을 사용하여 인터페이스를 구현 ICertificatePolicy 한 다음 해당 정책을 할당합니다 ServicePointManager.CertificatePolicy.

ICertificatePolicy 는 SSPI(보안 지원 공급자 인터페이스)를 사용합니다. 자세한 내용은 MSDN의 SSPI 설명서를 참조하세요.

메서드

Name Description
CheckValidationResult(ServicePoint, X509Certificate, WebRequest, Int32)

서버 인증서의 유효성을 검사합니다.

적용 대상