CryptographicUnexpectedOperationException クラス

定義

暗号操作中に予期しない操作が発生するとスローされる例外。The exception that is thrown when an unexpected operation occurs during a cryptographic operation.

public ref class CryptographicUnexpectedOperationException : System::Security::Cryptography::CryptographicException
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public class CryptographicUnexpectedOperationException : System.Security.Cryptography.CryptographicException
type CryptographicUnexpectedOperationException = class
    inherit CryptographicException
Public Class CryptographicUnexpectedOperationException
Inherits CryptographicException
継承
CryptographicUnexpectedOperationException
属性

CryptographicUnexpectedOperationExceptionクラスのメンバーを使用する方法を次のコード例に示します。The following code example demonstrates how to use members of the CryptographicUnexpectedOperationException class.

using System;
using System.Security.Cryptography;
using System.Runtime.Serialization;

class Members
{
    [STAThread]
    static void Main(string[] args)
    {
        Members testRun = new Members();

        testRun.TestConstructors();
        testRun.ShowProperties();

        Console.WriteLine("Sample ended successfully, " +
            " press Enter to continue.");
        Console.ReadLine();
    }

    // Test each public implementation of the
    // CryptographicUnexpectedOperationException constructors.
    private void TestConstructors()
    {
        EmptyConstructor();
        StringConstructor();
        StringExceptionConstructor();
        StringStringConstructor();
    }

    private void EmptyConstructor()
    {
        // Construct a CryptographicUnexpectedOperationException
        // with no parameters.
        CryptographicUnexpectedOperationException cryptographicException =
            new CryptographicUnexpectedOperationException();
        Console.WriteLine("Created an empty " + 
            "CryptographicUnexpectedOperationException.");
    }

    private void StringConstructor()
    {
        // Construct a CryptographicUnexpectedOperationException
        // using a custom error message.
        string errorMessage = ("Unexpected operation exception.");
        CryptographicUnexpectedOperationException cryptographicException =
            new CryptographicUnexpectedOperationException(errorMessage);
        Console.WriteLine("Created a " + 
            "CryptographicUnexpectedOperationException with the following " +
            " error message: " + errorMessage);
    }

    private void StringExceptionConstructor()
    {
        // Construct a CryptographicUnexpectedOperationException using a 
        // custom error message and an inner exception.
        string errorMessage = ("The current operation is not supported.");
        NullReferenceException nullException = new NullReferenceException();
        CryptographicUnexpectedOperationException cryptographicException = 
            new CryptographicUnexpectedOperationException(
            errorMessage, nullException);
        Console.WriteLine("Created a " +
            "CryptographicUnexpectedOperationException with the following" +
            "error message: " + errorMessage + " and inner exception: "
            + nullException.ToString());
    }

    private void StringStringConstructor()
    {
        // Create a CryptographicUnexpectedOperationException using a time
        // format and the current date.
        string dateFormat = "{0:t}";
        string timeStamp = (DateTime.Now.ToString());
        CryptographicUnexpectedOperationException cryptographicException = 
            new CryptographicUnexpectedOperationException(
            dateFormat, timeStamp);
        Console.WriteLine("Created a " + 
            "CryptographicUnexpectedOperationException with (" + dateFormat +
            ") as the format and (" + timeStamp + ") as the message.");
    }

    // Construct an invalid DSACryptoServiceProvider to throw a
    // CryptographicUnexpectedOperationException for introspection.
    private void ShowProperties()
    {
        // Attempting to encode an OID greater than 127 bytes is not supported
        // and will throw an exception.
        string veryLongNumber = "1234567890.1234567890.";
        for (int i=0; i < 4; i++)
        {
            veryLongNumber += veryLongNumber;
        }
        veryLongNumber += "0";
        try 
        {
            byte[] tooLongOID = CryptoConfig.EncodeOID(veryLongNumber);
        }
        catch(CryptographicUnexpectedOperationException ex)
        {
            // Retrieve the link to the Help file for the exception.
            string helpLink = ex.HelpLink;
            
            // Retrieve the exception that caused the current
            // CryptographicUnexpectedOperationException.
            System.Exception innerException = ex.InnerException;
            string innerExceptionMessage = "";
            if (innerException != null)
            {
                innerExceptionMessage = innerException.ToString();
            }

            // Retrieve the message that describes the exception.
            string message = ex.Message;

            // Retrieve the name of the application that caused the exception.
            string exceptionSource = ex.Source;

            // Retrieve the call stack at the time the exception occurred.
            string stackTrace = ex.StackTrace;

            // Retrieve the method that threw the exception.
            System.Reflection.MethodBase targetSite = ex.TargetSite;
            string siteName = targetSite.Name;

            // Retrieve the entire exception as a single string.
            string entireException = ex.ToString();

            // GetObjectData
            setSerializationInfo(ref ex);

            // Get the root exception that caused the current
            // CryptographicUnexpectedOperationException.
            System.Exception baseException = ex.GetBaseException();
            string baseExceptionMessage = "";
            if (baseException != null)
            {
                baseExceptionMessage = baseException.Message;
            }

            Console.WriteLine("Caught an expected exception:");
            Console.WriteLine(entireException + "\n");

            Console.WriteLine("Properties of the exception are as follows:");
            Console.WriteLine("Message: " + message);
            Console.WriteLine("Source: " + exceptionSource);
            Console.WriteLine("Stack trace: " + stackTrace);
            Console.WriteLine("Help link: " + helpLink);
            Console.WriteLine("Target site's name: " + siteName);
            Console.WriteLine("Base exception message: " + 
                baseExceptionMessage);
            Console.WriteLine("Inner exception message: " + 
                innerExceptionMessage);
        }
    }

    private void setSerializationInfo(
        ref CryptographicUnexpectedOperationException ex)
    {
        // Insert information about the exception into a serialized object.
        FormatterConverter formatConverter = new FormatterConverter();
        SerializationInfo serializationInfo =
            new SerializationInfo(ex.GetType(), formatConverter);
        StreamingContext streamingContext =
            new StreamingContext(StreamingContextStates.All);

        ex.GetObjectData(serializationInfo,streamingContext);
    }
}
//
// This sample produces the following output:
//
// Created an empty CryptographicUnexpectedOperationException.
// Created a CryptographicUnexpectedOperationException with the following 
// error message: Unexpected operation exception.
// Created a CryptographicUnexpectedOperationException with the following
// error message: The current operation is not supported. and inner exception:
// System.NullReferenceException: Object reference not set to an instance of
// an object.
// Created a CryptographicUnexpectedOperationException with ({0:t}) as the
// format and (2/24/2004 2:35:22 PM) as the message.
// Caught an expected exception:
// System.Security.Cryptography.CryptographicUnexpectedOperationException: 
// Encoded OID length is too large (greater than 0x7f bytes).
//  at System.Security.Cryptography.CryptoConfig.EncodeOID(String str)
//  at Members.ShowProperties() in c:\consoleapplication1\class1.cs:line 106
// 
// Properties of the exception are as follows:
// Message: Encoded OID length is too large (greater than 0x7f bytes).
// Source: mscorlib
// Stack trace:    at System.Security.Cryptography.CryptoConfig.EncodeOID(
// String str)
//  at Members.ShowProperties() in c:\consoleapplication1\class1.cs:line 106
// Help link:
// Target site's name: EncodeOID
// Base exception message: Encoded OID length is too large (greater than 0x7f
// bytes).
// Inner exception message:
// Sample ended successfully,  press Enter to continue.
Imports System.Security.Cryptography
Imports System.Runtime.Serialization

Public Class Form1
    Inherits System.Windows.Forms.Form

    ' Event handler for Run button.
    Private Sub Button1_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles Button1.Click

        tbxOutput.Cursor = Cursors.WaitCursor
        tbxOutput.Text = ""

        TestConstructors()
        ShowProperties()

        ' Reset the cursor and conclude application.
        tbxOutput.AppendText(vbCrLf + "This sample completed " + _
            "successfully; press Exit to continue.")
        tbxOutput.Cursor = Cursors.Default
    End Sub

    ' Test each public implementation of the
    ' CryptographicUnexpectedOperationException constructors.
    Private Sub TestConstructors()
        EmptyConstructor()
        StringConstructor()
        StringExceptionConstructor()
        StringStringConstructor()
    End Sub

    Private Sub EmptyConstructor()
        ' Construct a CryptographicUnexpectedOperationException
        ' with no parameters.
        Dim cryptographicException As _
            New CryptographicUnexpectedOperationException
        WriteLine("Created an empty " + _
            "CryptographicUnexpectedOperationException.")
    End Sub

    Private Sub StringConstructor()
        ' Construct a CryptographicUnexpectedOperationException using a custom
        ' error message.
        Dim errorMessage As String = "Unexpected operation exception."
        Dim cryptographicException As _
            New CryptographicUnexpectedOperationException(errorMessage)
        WriteLine("Created a CryptographicUnexpectedOperationException " + _
            "with the following error message: " + errorMessage)
    End Sub

    Private Sub StringExceptionConstructor()
        ' Construct a CryptographicUnexpectedOperationException using a
        ' custom error message and an inner exception.
        Dim errorMessage As String = "The current operation is not supported."
        Dim nullException As New NullReferenceException
        Dim cryptographicException As _
            New CryptographicUnexpectedOperationException( _
            errorMessage, nullException)
        Write("Created a CryptographicUnexpectedOperationException ")
        Write("with the following error message: " + errorMessage)
        WriteLine(" and inner exception: " + nullException.ToString())
    End Sub

    Private Sub StringStringConstructor()
        ' Create a CryptographicUnexpectedOperationException using
        ' a time format and the current date.
        Dim dateFormat As String = "{0:t}"
        Dim timeStamp As String = DateTime.Now.ToString()
        Dim cryptographicException As New _
            CryptographicUnexpectedOperationException(dateFormat, timeStamp)
        Write("Created a CryptographicUnexpectedOperationException with ")
        Write(dateFormat + " as the format and " + timeStamp)
        WriteLine(" as the message.")
    End Sub

    ' Construct an invalid DSACryptoServiceProvider to throw a
    ' CryptographicUnexpectedOperationException for introspection.
    Private Sub ShowProperties()
        ' Attempting to encode an OID greater than 127 bytes is not supported
        ' and will throw an exception.
        Dim veryLongNumber As String = "1234567890.1234567890."

        For i As Int16 = 0 To 4 Step 1
            veryLongNumber += veryLongNumber
        Next
        veryLongNumber += "0"

        Try
            Dim tooLongOID() As Byte
            tooLongOID = CryptoConfig.EncodeOID(veryLongNumber)

        Catch ex As CryptographicUnexpectedOperationException
            ' Retrieve the link to the Help file for the exception.
            Dim helpLink As String = ex.HelpLink

            ' Retrieve the exception that caused the current
            ' CryptographicUnexpectedOperationException.
            Dim innerException As System.Exception = ex.InnerException
            Dim innerExceptionMessage As String = ""
            If (Not innerException Is Nothing) Then
                innerExceptionMessage = innerException.ToString()
            End If

            ' Retrieve the message that describes the exception.
            Dim message As String = ex.Message

            ' Retrieve the name of the application that caused the exception.
            Dim exceptionSource As String = ex.Source

            ' Retrieve the call stack at the time the exception occurred.
            Dim stackTrace As String = ex.StackTrace

            ' Retrieve the method that threw the exception.
            Dim targetSite As System.Reflection.MethodBase
            targetSite = ex.TargetSite
            Dim siteName As String = targetSite.Name

            ' Retrieve the entire exception as a single string.
            Dim entireException As String = ex.ToString()

            ' GetObjectData
            setSerializationInfo(ex)

            ' Get the root exception that caused the current
            ' CryptographicUnexpectedOperationException.
            Dim baseException As System.Exception = ex.GetBaseException()
            Dim baseExceptionMessage As String = ""
            If (Not baseException Is Nothing) Then
                baseExceptionMessage = baseException.Message
            End If

            WriteLine("Caught an expected exception:")
            WriteLine(entireException)

            WriteLine(vbCrLf + "Properties of the exception are as follows:")
            WriteLine("Message: " + message)
            WriteLine("Source: " + exceptionSource)
            WriteLine("Stack trace: " + stackTrace)
            WriteLine("Help link: " + helpLink)
            WriteLine("Target site's name: " + siteName)
            WriteLine("Base exception message: " + baseExceptionMessage)
            WriteLine("Inner exception message: " + innerExceptionMessage)

        End Try
    End Sub

    Private Sub setSerializationInfo( _
        ByRef ex As CryptographicUnexpectedOperationException)

        ' Insert information about the exception into a serialized object.
        Dim formatConverter As New FormatterConverter
        Dim serializationInfo As _
            New SerializationInfo(ex.GetType(), formatConverter)
        Dim streamingContext As _
            New StreamingContext(StreamingContextStates.All)

        ex.GetObjectData(serializationInfo, streamingContext)
    End Sub

    ' Write specified message to the output textbox.
    Private Sub Write(ByVal message As String)
        tbxOutput.AppendText(message)
    End Sub

    ' Write specified message with a carriage return to the output textbox.
    Private Sub WriteLine(ByVal message As String)
        tbxOutput.AppendText(message + vbCrLf)
    End Sub

    ' Event handler for Exit button.
    Private Sub Button2_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles Button2.Click

        Application.Exit()
    End Sub
#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Panel2 As System.Windows.Forms.Panel
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents tbxOutput As System.Windows.Forms.RichTextBox
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.Panel2 = New System.Windows.Forms.Panel
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.tbxOutput = New System.Windows.Forms.RichTextBox
        Me.Panel2.SuspendLayout()
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Panel2
        '
        Me.Panel2.Controls.Add(Me.Button1)
        Me.Panel2.Controls.Add(Me.Button2)
        Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.Panel2.DockPadding.All = 20
        Me.Panel2.Location = New System.Drawing.Point(0, 320)
        Me.Panel2.Name = "Panel2"
        Me.Panel2.Size = New System.Drawing.Size(616, 64)
        Me.Panel2.TabIndex = 1
        '
        'Button1
        '
        Me.Button1.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button1.Font = New System.Drawing.Font( _
            "Microsoft Sans Serif", 9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(446, 20)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75, 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "&Run"
        '
        'Button2
        '
        Me.Button2.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button2.Font = New System.Drawing.Font("Microsoft Sans Serif", _
            9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button2.Location = New System.Drawing.Point(521, 20)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(75, 24)
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "E&xit"
        '
        'Panel1
        '
        Me.Panel1.Controls.Add(Me.tbxOutput)
        Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.Panel1.DockPadding.All = 20
        Me.Panel1.Location = New System.Drawing.Point(0, 0)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(616, 320)
        Me.Panel1.TabIndex = 2
        '
        'tbxOutput
        '
        Me.tbxOutput.AccessibleDescription = _
            "Displays output from application."
        Me.tbxOutput.AccessibleName = "Output textbox."
        Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill
        Me.tbxOutput.Location = New System.Drawing.Point(20, 20)
        Me.tbxOutput.Name = "tbxOutput"
        Me.tbxOutput.Size = New System.Drawing.Size(576, 280)
        Me.tbxOutput.TabIndex = 1
        Me.tbxOutput.Text = "Click the Run button to run the application."
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
        Me.ClientSize = New System.Drawing.Size(616, 384)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.Panel2)
        Me.Name = "Form1"
        Me.Text = "CryptographicUnexpectedOperationException"
        Me.Panel2.ResumeLayout(False)
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
End Class
'
' This sample produces the following output:
'
' Created an empty CryptographicUnexpectedOperationException.
' Created a CryptographicUnexpectedOperationException with the following error
' message: Unexpected operation exception.
' Created a CryptographicUnexpectedOperationException with the following error
' message: The current operation is not supported. and inner exception:
' System.NullReferenceException: Object reference not set to an instance of an
' object.
' Created a CryptographicUnexpectedOperationException with {0:t} as the format
' and 2/24/2004 2:29:32 PM as the message.
' Caught an expected exception:
' System.Security.Cryptography.CryptographicUnexpectedOperationException:
' Encoded OID length is too large (greater than 0x7f bytes).
'  at System.Security.Cryptography.CryptoConfig.EncodeOID(String str)
'  at WindowsApplication1.Form1.ShowProperties() in 
' C:\WindowsApplication1\Form1.vb:line 103
'
' Properties of the exception are as follows:
' Message: Encoded OID length is too large (greater than 0x7f bytes).
' Source: mscorlib
' Stack trace:    at System.Security.Cryptography.CryptoConfig.EncodeOID(
' String str) at WindowsApplication1.Form1.ShowProperties() in
' C:\WindowsApplication1\Form1.vb:line 103
' Help link: 
' Target site's name: EncodeOID
' Base exception message: Encoded OID length is too large (greater than 0x7f
' bytes).
' Inner exception message: 
' 
' This sample completed successfully; press Exit to continue.

注釈

CryptographicUnexpectedOperationExceptionでは、値0x80131431 を持つ HRESULT CORSEC_E_CRYPTO_UNEX_OPER が使用されます。CryptographicUnexpectedOperationException uses the HRESULT CORSEC_E_CRYPTO_UNEX_OPER, which has the value 0x80131431.

CryptographicUnexpectedOperationExceptionインスタンスの初期プロパティ値の一覧については、コンストラクターを参照してください。For a list of initial property values for an instance of CryptographicUnexpectedOperationException, see the constructor.

コンストラクター

CryptographicUnexpectedOperationException()

CryptographicUnexpectedOperationException クラスの新しいインスタンスを、既定のプロパティを使用して初期化します。Initializes a new instance of the CryptographicUnexpectedOperationException class with default properties.

CryptographicUnexpectedOperationException(SerializationInfo, StreamingContext)

シリアル化したデータを使用して、CryptographicUnexpectedOperationException クラスの新しいインスタンスを初期化します。Initializes a new instance of the CryptographicUnexpectedOperationException class with serialized data.

CryptographicUnexpectedOperationException(String)

指定したエラー メッセージを使用して、CryptographicUnexpectedOperationException クラスの新しいインスタンスを初期化します。Initializes a new instance of the CryptographicUnexpectedOperationException class with a specified error message.

CryptographicUnexpectedOperationException(String, Exception)

指定したエラー メッセージおよびこの例外の原因となった内部例外への参照を使用して、CryptographicUnexpectedOperationException クラスの新しいインスタンスを初期化します。Initializes a new instance of the CryptographicUnexpectedOperationException class with a specified error message and a reference to the inner exception that is the cause of this exception.

CryptographicUnexpectedOperationException(String, String)

エラー メッセージとその書式を指定して、CryptographicUnexpectedOperationException クラスの新しいインスタンスを初期化します。Initializes a new instance of the CryptographicUnexpectedOperationException class with a specified error message in the specified format.

プロパティ

Data

例外に関する追加のユーザー定義情報を提供する、キー/値ペアのコレクションを取得します。Gets a collection of key/value pairs that provide additional user-defined information about the exception.

(継承元 Exception)
HelpLink

この例外に関連付けられているヘルプ ファイルへのリンクを取得または設定します。Gets or sets a link to the help file associated with this exception.

(継承元 Exception)
HResult

特定の例外に割り当てられているコード化数値である HRESULT を取得または設定します。Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.

(継承元 Exception)
InnerException

現在の例外の原因となる Exception インスタンスを取得します。Gets the Exception instance that caused the current exception.

(継承元 Exception)
Message

現在の例外を説明するメッセージを取得します。Gets a message that describes the current exception.

(継承元 Exception)
Source

エラーの原因となるアプリケーションまたはオブジェクトの名前を取得または設定します。Gets or sets the name of the application or the object that causes the error.

(継承元 Exception)
StackTrace

呼び出し履歴で直前のフレームの文字列形式を取得します。Gets a string representation of the immediate frames on the call stack.

(継承元 Exception)
TargetSite

現在の例外がスローされたメソッドを取得します。Gets the method that throws the current exception.

(継承元 Exception)

メソッド

Equals(Object)

指定されたオブジェクトが現在のオブジェクトと等しいかどうかを判定します。Determines whether the specified object is equal to the current object.

(継承元 Object)
GetBaseException()

派生クラスでオーバーライドされた場合、それ以後に発生する 1 つ以上の例外の主要な原因である Exception を返します。When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.

(継承元 Exception)
GetHashCode()

既定のハッシュ関数として機能します。Serves as the default hash function.

(継承元 Object)
GetObjectData(SerializationInfo, StreamingContext)

派生クラスでオーバーライドされた場合は、その例外に関する情報を使用して SerializationInfo を設定します。When overridden in a derived class, sets the SerializationInfo with information about the exception.

(継承元 Exception)
GetType()

現在のインスタンスのランタイム型を取得します。Gets the runtime type of the current instance.

(継承元 Exception)
MemberwiseClone()

現在の Object の簡易コピーを作成します。Creates a shallow copy of the current Object.

(継承元 Object)
ToString()

現在の例外の文字列形式を作成して返します。Creates and returns a string representation of the current exception.

(継承元 Exception)

イベント

SerializeObjectState

例外がシリアル化され、例外に関するシリアル化されたデータを含む例外状態オブジェクトが作成されたときに発生します。Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

(継承元 Exception)

適用対象

こちらもご覧ください