X509Certificate 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
提供帮助你使用 X.509 v.3 证书的方法。
public ref class X509Certificate : IDisposable, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializable
public ref class X509Certificate : IDisposable
public ref class X509Certificate
public ref class X509Certificate : System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializable
public class X509Certificate : IDisposable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
public class X509Certificate : IDisposable
[System.Serializable]
public class X509Certificate
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class X509Certificate : System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class X509Certificate : IDisposable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
type X509Certificate = class
interface IDisposable
interface IDeserializationCallback
interface ISerializable
type X509Certificate = class
interface IDisposable
type X509Certificate = class
interface IDisposable
interface ISerializable
interface IDeserializationCallback
[<System.Serializable>]
type X509Certificate = class
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type X509Certificate = class
interface IDeserializationCallback
interface ISerializable
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type X509Certificate = class
interface IDisposable
interface IDeserializationCallback
interface ISerializable
Public Class X509Certificate
Implements IDeserializationCallback, IDisposable, ISerializable
Public Class X509Certificate
Implements IDisposable
Public Class X509Certificate
Public Class X509Certificate
Implements IDeserializationCallback, ISerializable
- 继承
-
X509Certificate
- 派生
- 属性
- 实现
示例
以下示例从文件加载 X.509 证书,调用 ToString 方法,并将结果显示到控制台。
using namespace System;
using namespace System::Security::Cryptography::X509Certificates;
int main()
{
// The path to the certificate.
String^ Certificate = L"Certificate.cer";
// Load the certificate into an X509Certificate object.
X509Certificate^ cert = gcnew X509Certificate( Certificate );
// Get the value.
String^ resultsTrue = cert->ToString( true );
// Display the value to the console.
Console::WriteLine( resultsTrue );
// Get the value.
String^ resultsFalse = cert->ToString( false );
// Display the value to the console.
Console::WriteLine( resultsFalse );
}
using System;
using System.Security.Cryptography.X509Certificates;
public class X509
{
public static void Main()
{
// The path to the certificate.
string Certificate = "Certificate.cer";
// Load the certificate into an X509Certificate object.
X509Certificate cert = new X509Certificate(Certificate);
// Get the value.
string resultsTrue = cert.ToString(true);
// Display the value to the console.
Console.WriteLine(resultsTrue);
// Get the value.
string resultsFalse = cert.ToString(false);
// Display the value to the console.
Console.WriteLine(resultsFalse);
}
}
Imports System.Security.Cryptography.X509Certificates
Module X509
Sub Main()
' The path to the certificate.
Dim Certificate As String = "Certificate.cer"
' Load the certificate into an X509Certificate object.
Dim cert As New X509Certificate(Certificate)
' Get the value.
Dim resultsTrue As String = cert.ToString(True)
' Display the value to the console.
Console.WriteLine(resultsTrue)
' Get the value.
Dim resultsFalse As String = cert.ToString(False)
' Display the value to the console.
Console.WriteLine(resultsFalse)
End Sub
End Module
注解
ASN.1 DER 是此类支持的唯一证书格式。
在大多数情况下,应改用 X509Certificate2 类。
重要
从 .NET Framework 4.6 开始,此类型实现 IDisposable 接口。 在使用完类型后,您应直接或间接释放类型。 若要直接释放类型,请在 try
/catch
块中调用其 Dispose 方法。 若要间接释放类型,请使用 using
(在 C# 中)或 Using
(在 Visual Basic 中)等语言构造。 有关详细信息,请参阅 IDisposable 接口主题中的“使用实现 IDisposable 的对象”一节。
对于面向 .NET Framework 4.5.2 及更早版本的应用, X509Certificate 类不实现 IDisposable 接口,因此没有 Dispose
方法。
构造函数
属性
Handle |
获取非托管 |
Issuer |
获取颁发此 X.509v3 证书的证书颁发机构的名称。 |
SerialNumberBytes |
获取证书序列号的 big-endian 表示形式。 |
Subject |
获取证书的主题可分辨名称。 |
方法
显式接口实现
IDeserializationCallback.OnDeserialization(Object) |
实现 ISerializable 接口,并在完成反序列化后由反序列化事件回调。 |
ISerializable.GetObjectData(SerializationInfo, StreamingContext) |
获取序列化信息,其中包含重新创建当前 X509Certificate 对象的实例所需的所有数据。 |
适用于
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