C# X509Certificate2.GetExpirationDateString方法代码示例

        public static void X509Cert2Test()
        {
            string certName = @"[email protected], CN=ABA.ECOM Root CA, O=""ABA.ECOM, INC."", L=Washington, S=DC, C=US";

            DateTime notBefore = new DateTime(1999, 7, 12, 17, 33, 53, DateTimeKind.Utc).ToLocalTime();
            DateTime notAfter = new DateTime(2009, 7, 9, 17, 33, 53, DateTimeKind.Utc).ToLocalTime();

            using (X509Certificate2 cert2 = new X509Certificate2(Path.Combine("TestData", "test.cer")))
            {
                Assert.Equal(certName, cert2.IssuerName.Name);
                Assert.Equal(certName, cert2.SubjectName.Name);

                Assert.Equal("ABA.ECOM Root CA", cert2.GetNameInfo(X509NameType.DnsName, true));

                PublicKey pubKey = cert2.PublicKey;
                Assert.Equal("RSA", pubKey.Oid.FriendlyName);

                Assert.Equal(notAfter, cert2.NotAfter);
                Assert.Equal(notBefore, cert2.NotBefore);
#if netstandard17
                Assert.Equal(notAfter.ToString(), cert2.GetExpirationDateString());
                Assert.Equal(notBefore.ToString(), cert2.GetEffectiveDateString());
#endif

                Assert.Equal("00D01E4090000046520000000100000004", cert2.SerialNumber);
                Assert.Equal("1.2.840.113549.1.1.5", cert2.SignatureAlgorithm.Value);
                Assert.Equal("7A74410FB0CD5C972A364B71BF031D88A6510E9E", cert2.Thumbprint);
                Assert.Equal(3, cert2.Version);
            }
        }

        private static void VerifyDefaultConstructor(X509Certificate2 c)
        {
            IntPtr h = c.Handle;
            object ignored;
            Assert.Equal(IntPtr.Zero, h);
            Assert.ThrowsAny<CryptographicException>(() => c.GetCertHash());
            Assert.ThrowsAny<CryptographicException>(() => c.GetKeyAlgorithm());
            Assert.ThrowsAny<CryptographicException>(() => c.GetKeyAlgorithmParameters());
            Assert.ThrowsAny<CryptographicException>(() => c.GetKeyAlgorithmParametersString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetPublicKey());
            Assert.ThrowsAny<CryptographicException>(() => c.GetSerialNumber());
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.Issuer);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.Subject);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.RawData);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.Thumbprint);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.SignatureAlgorithm);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.HasPrivateKey);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.Version);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.Archived);
            Assert.ThrowsAny<CryptographicException>(() => c.Archived = false);
            Assert.ThrowsAny<CryptographicException>(() => c.FriendlyName = "Hi");
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.SubjectName);
            Assert.ThrowsAny<CryptographicException>(() => ignored = c.IssuerName);
#if netstandard17
            Assert.ThrowsAny<CryptographicException>(() => c.GetCertHashString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetEffectiveDateString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetExpirationDateString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetPublicKeyString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetRawCertData());
            Assert.ThrowsAny<CryptographicException>(() => c.GetRawCertDataString());
            Assert.ThrowsAny<CryptographicException>(() => c.GetSerialNumberString());
#pragma warning disable 0618
            Assert.ThrowsAny<CryptographicException>(() => c.GetIssuerName());
            Assert.ThrowsAny<CryptographicException>(() => c.GetName());
#pragma warning restore 0618
#endif
        }

        public static void TestCopyConstructor_Pal()
        {
            using (var c1 = new X509Certificate2(TestData.PfxData, TestData.PfxDataPassword))
            using (var c2 = new X509Certificate2(c1))
            {
                Assert.Equal(c1.GetCertHash(), c2.GetCertHash());
                Assert.Equal(c1.GetKeyAlgorithm(), c2.GetKeyAlgorithm());
                Assert.Equal(c1.GetKeyAlgorithmParameters(), c2.GetKeyAlgorithmParameters());
                Assert.Equal(c1.GetKeyAlgorithmParametersString(), c2.GetKeyAlgorithmParametersString());
                Assert.Equal(c1.GetPublicKey(), c2.GetPublicKey());
                Assert.Equal(c1.GetSerialNumber(), c2.GetSerialNumber());
                Assert.Equal(c1.Issuer, c2.Issuer);
                Assert.Equal(c1.Subject, c2.Subject);
                Assert.Equal(c1.RawData, c2.RawData);
                Assert.Equal(c1.Thumbprint, c2.Thumbprint);
                Assert.Equal(c1.SignatureAlgorithm.Value, c2.SignatureAlgorithm.Value);
                Assert.Equal(c1.HasPrivateKey, c2.HasPrivateKey);
                Assert.Equal(c1.Version, c2.Version);
                Assert.Equal(c1.Archived, c2.Archived);
                Assert.Equal(c1.SubjectName.Name, c2.SubjectName.Name);
                Assert.Equal(c1.IssuerName.Name, c2.IssuerName.Name);
                Assert.Equal(c1.GetCertHashString(), c2.GetCertHashString());
                Assert.Equal(c1.GetEffectiveDateString(), c2.GetEffectiveDateString());
                Assert.Equal(c1.GetExpirationDateString(), c2.GetExpirationDateString());
                Assert.Equal(c1.GetPublicKeyString(), c2.GetPublicKeyString());
                Assert.Equal(c1.GetRawCertData(), c2.GetRawCertData());
                Assert.Equal(c1.GetRawCertDataString(), c2.GetRawCertDataString());
                Assert.Equal(c1.GetSerialNumberString(), c2.GetSerialNumberString());
#pragma warning disable 0618
                Assert.Equal(c1.GetIssuerName(), c2.GetIssuerName());
                Assert.Equal(c1.GetName(), c2.GetName());
#pragma warning restore 0618
            }
        }

    static void Main(string[] args)
    {
        //Do webrequest to get info on secure site

        Console.Write("Enter web site name:  ");
        string WebSitename = Console.ReadLine();

        try
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(WebSitename);

            //  HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://mail.outlook.com");

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            response.Close();

            //retrieve the ssl cert and assign it to an X509Certificate object
            X509Certificate cert = request.ServicePoint.Certificate;

            //convert the X509Certificate to an X509Certificate2 object by passing it into the constructor
            X509Certificate2 cert2 = new X509Certificate2(cert);

            string cn = cert2.GetIssuerName();
            string cedate = cert2.GetExpirationDateString();
            string cpub = cert2.GetPublicKeyString();

            //display the cert dialog box
            X509Certificate2UI.DisplayCertificate(cert2);

            // Output chain information of the selected certificate.

            X509Chain ch = new X509Chain();
            ch.Build(cert2);
            Console.WriteLine("Chain Information");
            ch.ChainPolicy.RevocationMode = X509RevocationMode.Online;
            Console.WriteLine("Chain revocation flag: {0}", ch.ChainPolicy.RevocationFlag);
            Console.WriteLine("Chain revocation mode: {0}", ch.ChainPolicy.RevocationMode);
            Console.WriteLine("Chain verification flag: {0}", ch.ChainPolicy.VerificationFlags);
            Console.WriteLine("Chain verification time: {0}", ch.ChainPolicy.VerificationTime);
            Console.WriteLine("Chain status length: {0}", ch.ChainStatus.Length);
            Console.WriteLine("Chain application policy count: {0}", ch.ChainPolicy.ApplicationPolicy.Count);
            Console.WriteLine("Chain certificate policy count: {0} {1}", ch.ChainPolicy.CertificatePolicy.Count, Environment.NewLine);
            //Output chain element information.
            Console.WriteLine("Chain Element Information");
            Console.WriteLine("Number of chain elements: {0}", ch.ChainElements.Count);
            Console.WriteLine("Chain elements synchronized? {0} {1}", ch.ChainElements.IsSynchronized, Environment.NewLine);

            foreach (X509ChainElement element in ch.ChainElements)
            {
                Console.WriteLine("Element issuer name: {0}", element.Certificate.Issuer);
                Console.WriteLine("Element certificate valid until: {0}", element.Certificate.NotAfter);
                Console.WriteLine("Element certificate is valid: {0}", element.Certificate.Verify());

                //break out specific certifcate data
                Console.WriteLine("Signature Algorithm: {0}", cert2.SignatureAlgorithm.FriendlyName);
                // Console.WriteLine("Public Key: {0}", cert2.PublicKey.Key.ToXmlString(false));
                Console.WriteLine("Public Key: {0}{1}", cert2.PublicKey.Key.ToXmlString(false), Environment.NewLine);

                Console.WriteLine("Element error status length: {0}", element.ChainElementStatus.Length);
                Console.WriteLine("Element information: {0}", element.Information);
                Console.WriteLine("Number of element extensions: {0}{1}", element.Certificate.Extensions.Count, Environment.NewLine);

                X509Certificate2 certTest = new X509Certificate2(element.Certificate);

                // byte[] rawdata = certTest;

                // Console.WriteLine("Content Type: {0}{1}", certTest.GetCertContentType(rawdata), Environment.NewLine);
                Console.WriteLine("Friendly Name: {0}{1}", certTest.FriendlyName, Environment.NewLine);

                if (ch.ChainStatus.Length > 1)
                {
                    for (int index = 0; index < element.ChainElementStatus.Length; index++)
                    {
                        Console.WriteLine(element.ChainElementStatus[index].Status);
                        Console.WriteLine(element.ChainElementStatus[index].StatusInformation);
                    }
                }
            }
        }

        catch (Exception e)

        // catch (WebException e)
        {
            Console.WriteLine("Error:  ");
            Console.WriteLine ( e.Message);

            return;
        }

        finally
        {

            Console.WriteLine("all good");

        }
    }