[英]Using creating self-signed certificate in WCF
您好,我有一个使用自签名证书的wcf服务。 以前的版本没有安全性,我仅在新版本中实现。 但是我需要更新程序的旧版本。 这就是为什么我需要在代码中创建证书并添加到存储的原因。 我使用1个答案中的代码如何使用C#创建自签名证书? 小变化的例子
public class CertificateTools
{
public static X509Certificate2 CreateSelfSignedCertificate(string subjectName)
{
// create DN for subject and issuer
var dn = new CX500DistinguishedName();
dn.Encode("CN=" + subjectName, X500NameFlags.XCN_CERT_NAME_STR_NONE);
// create a new private key for the certificate
CX509PrivateKey privateKey = new CX509PrivateKey();
privateKey.KeyProtection = X509PrivateKeyProtection.XCN_NCRYPT_UI_NO_PROTECTION_FLAG;
privateKey.ProviderName = "Microsoft Base Cryptographic Provider v1.0";
privateKey.MachineContext = true;
privateKey.Length = 1024;
privateKey.KeySpec = X509KeySpec.XCN_AT_SIGNATURE; // use is not limited
privateKey.ExportPolicy = X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_EXPORT_FLAG;
privateKey.Create();
// Use the stronger SHA512 hashing algorithm
var hashobj = new CObjectId();
hashobj.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_HASH_ALG_OID_GROUP_ID,
ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY,
AlgorithmFlags.AlgorithmFlagsNone, "SHA1");
// add extended key usage if you want - look at MSDN for a list of possible OIDs
var oid = new CObjectId();
oid.InitializeFromValue("1.3.6.1.5.5.7.3.1"); // SSL server
var oidlist = new CObjectIds();
oidlist.Add(oid);
var eku = new CX509ExtensionEnhancedKeyUsage();
eku.InitializeEncode(oidlist);
//KeyUseg
CX509ExtensionKeyUsage extensionKeyUsage = new CX509ExtensionKeyUsage();
// Key Usage Extension
extensionKeyUsage.InitializeEncode(
X509KeyUsageFlags.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE |
X509KeyUsageFlags.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE |
X509KeyUsageFlags.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE
);
// Create the self signing request
var cert = new CX509CertificateRequestCertificate();
cert.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextMachine, privateKey, "");
cert.Subject = dn;
cert.Issuer = dn; // the issuer and the subject are the same
cert.NotBefore = DateTime.Now.AddYears(-1);
// this cert expires immediately. Change to whatever makes sense for you
cert.NotAfter = DateTime.Now.AddYears(100);
cert.X509Extensions.Add((CX509Extension) extensionKeyUsage);//add the KU
cert.X509Extensions.Add((CX509Extension)eku); // add the EKU
cert.HashAlgorithm = hashobj; // Specify the hashing algorithm
cert.Encode(); // encode the certificate
// Do the final enrollment process
var enroll = new CX509Enrollment();
enroll.InitializeFromRequest(cert); // load the certificate
enroll.CertificateFriendlyName = subjectName; // Optional: add a friendly name
string csr = enroll.CreateRequest(); // Output the request in base64
// and install it back as the response
enroll.InstallResponse(InstallResponseRestrictionFlags.AllowUntrustedCertificate,
csr, EncodingType.XCN_CRYPT_STRING_BASE64, ""); // no password
// output a base64 encoded PKCS#12 so we can import it back to the .Net security classes
var base64encoded = enroll.CreatePFX("", // no password, this is for internal consumption
PFXExportOptions.PFXExportChainWithRoot);
// instantiate the target class with the PKCS#12 data (and the empty password)
return new X509Certificate2(Convert.FromBase64String(base64encoded), "",X509KeyStorageFlags.Exportable);
}
}
和代码
X509Store store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadWrite | OpenFlags.IncludeArchived);
var certificate = CertificateTools.CreateSelfSignedCertificate("ServerAdminService");
store.Add(certificate);
store.Close();
使用代码
scb = new ServiceCredentials();
scb.ServiceCertificate.SetCertificate(StoreLocation.LocalMachine, StoreName.My, X509FindType.FindBySubjectName, "ServerAdminService");
这将创建证书并将其添加,但是当我尝试使用它时发生错误。 在错误中表示没有私钥或进程没有权限。 看来我需要更改一些标志,但我不知道哪个。
没有看到添加到商店的证书。 看看是否有帮助,
store.Open(OpenFlags.ReadWrite | OpenFlags.IncludeArchived);
var certificate = CertificateTools.CreateSelfSignedCertificate("ServerAdminService");
store.Add(certificate ) ;
store.Close();
这已经很晚了,但是我认为问题在于您没有保留私钥。 在证书创建的最后一行
return new X509Certificate2(Convert.FromBase64String(base64encoded), "",X509KeyStorageFlags.Exportable);
您没有设置“ X509KeyStorageFlags.PersistKeySet”。 这将导致私钥保留在您正在创建的新证书中。 否则...安装的证书没有私钥。
尝试:
return new X509Certificate2(Convert.FromBase64String(base64encoded), "",X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
我还没有运行...所以不能保证。
从文件将X509Certificate2添加到存储区中也是如此。 构造X509Certificate2时,必须传递X509KeyStorageFlags.PersistKeySet标志以使其保留私钥。 我花了很多时间进行故障排除,所以我肯定知道这一点(从文件加载)。
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