C# X509Certificate.CreateFromCertFile方法代碼示例

//引入命名空間
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 = X509Certificate.CreateFromCertFile(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);
    }
}

//引入命名空間
using System;
using System.Net;
using System.Security.Cryptography.X509Certificates;

class MainClass {
    public static void Main() {
        WebRequest requestA = WebRequest.Create("http://www.yoursite.com");
        requestA.Credentials = new NetworkCredential("userName", "password");
        requestA.PreAuthenticate = true;
        WebRequest requestB = WebRequest.Create("http://www.yoursite.com");
        requestB.Credentials = CredentialCache.DefaultCredentials;
        requestB.PreAuthenticate = true;

        HttpWebRequest requestC = (HttpWebRequest)WebRequest.Create("http://www.yoursite.com");
        X509Certificate cert1 = X509Certificate.CreateFromCertFile("TestCertificate.cer");
        requestC.ClientCertificates.Add(cert1);
        HttpWebRequest requestD = (HttpWebRequest)WebRequest.Create("http://www.yoursite.com");
        X509Store store = new X509Store();
        X509Certificate2Collection certs = store.Certificates.Find(X509FindType.FindBySubjectName,"Joe", false);

        if (certs.Count == 1) {
            requestD.ClientCertificates.Add(certs[0]);
        } else {
            certs = X509Certificate2UI.SelectFromCollection(
                store.Certificates,
                "Select Certificate",
                "Select the certificate to use for authentication.",
                X509SelectionFlag.SingleSelection);

            if (certs.Count != 0) {
                requestD.ClientCertificates.Add(certs[0]);
            }
        }
    }
}