将 X509 证书存储在数据库中

发布于 2024-10-16 09:48:16 字数 1547 浏览 3 评论 0原文

为了访问网络服务,我需要一个证书。

我生成了我的证书:

openssl genrsa 1024 > private.key
openssl req -new -x509 -nodes -sha1 -days 1100 -key private.key > public.cer

然后将这两个证书合并到 pfx 证书中,然后

openssl pkcs12 -in public.cer -inkey private.key -export -out client.pfx

将我的 pfx 文件加载为 X509Certificate2

X509Certificate2 clientCert = new X509Certificate2("cert.pfx", "password");

现在,我想在包含以下字段的数据库中创建一个表:

PrivateKey NVARCHAR  
PublicCer NVARCHAR  
Password NVARCHAR  

然后从 private.key 文件复制内容,以及 -----BEGIN CERTIFICATE----- 和 -----END CERTIFICATE----- ,与 public.cer 相同,并设置密码。 现在,如何通过从数据库读取此数据来获取 X509Certificate2 的正确实例? 换句话说,如何根据私钥和证书从代码生成 pfx 文件?

我会尝试更精确:

 string connectionString; string query; string cert;

    connectionString = ConfigurationManager.ConnectionStrings[0].ConnectionString;
    query = "SELECT clientcert FROM settings_services WHERE ID = 1";

    using (SqlConnection cn = new SqlConnection(connectionString))
    {
        SqlCommand cmd = new SqlCommand(query, cn);
        cn.Open();
        cert = (string)cmd.ExecuteScalar();
    }

    X509Certificate2  serverCert = new X509Certificate2(Encoding.UTF8.GetBytes(cert));

此代码将正确加载证书字符串(x509 证书,以 -----BEGIN CERTIFICATE----- 开头并结束 -----END CERTIFICATE-----)。

现在我需要获取私钥:

我的私钥是RSA格式的(-----BEGIN RSA PRIVATE KEY----等...)

我需要加载它,并将其分配给serverCert,以便能够使用此证书在 Web 服务上进行身份验证。

关于如何做到这一点有什么建议吗?

In order to access to the web service I need a certificate.

I generated my certs:

openssl genrsa 1024 > private.key
openssl req -new -x509 -nodes -sha1 -days 1100 -key private.key > public.cer

then merged this two into a pfx certificate by

openssl pkcs12 -in public.cer -inkey private.key -export -out client.pfx

then loaded my pfx file as X509Certificate2

X509Certificate2 clientCert = new X509Certificate2("cert.pfx", "password");

Now, I would like to create a table into the data base that contains the following fields:

PrivateKey NVARCHAR  
PublicCer NVARCHAR  
Password NVARCHAR  

Then copy the content from private.key file, along with -----BEGIN CERTIFICATE----- and -----END CERTIFICATE-----, same for the public.cer, and set the password.
Now, how can I get a proper instance of X509Certificate2 by reading this data from DB?
In other words, how can I generate a pfx file from code, based on private key and certificate?

I will try to be more precise:

 string connectionString; string query; string cert;

    connectionString = ConfigurationManager.ConnectionStrings[0].ConnectionString;
    query = "SELECT clientcert FROM settings_services WHERE ID = 1";

    using (SqlConnection cn = new SqlConnection(connectionString))
    {
        SqlCommand cmd = new SqlCommand(query, cn);
        cn.Open();
        cert = (string)cmd.ExecuteScalar();
    }

    X509Certificate2  serverCert = new X509Certificate2(Encoding.UTF8.GetBytes(cert));

This code will correctly load a certificate string (x509 certificate, starting with -----BEGIN CERTIFICATE----- and ending -----END CERTIFICATE-----).

Now I need to get the private key:

My private key is in RSA format (-----BEGIN RSA PRIVATE KEY---- etc...)

I need to load it, and assign it to serverCert, in order to be able to use this certificate for authenticate on web service.

Any suggestions on how to do that?

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评论(2

梦太阳 2024-10-23 09:48:16

所以这实际上很容易,尽管我没有找到简单的描述。我已将证书字符串留在要点中(示例证书,无安全数据)

https://gist.github .com/BillKeenan/5435753

[TestMethod]
public void TestCertificate()
{
    const string publicCert = @"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";
    const string privateCert = @"<RSAKeyValue><Modulus>gSYLX+KjhE0w8Klhqc9qQxhkZugwKs3qSqgi5IjWfS5/MJvBGSlSMmmWy9Ef2KMgcwrDxRWzSLQiGf0SdMLEeAzuJwHr270RqKRUG19IaXipTLlzlNl9s3Q/cyYGrhhej+9e8IMNWSWwwV6bnsI4BpW8CG/6ga/miKoQkxe36Pc=</Modulus><Exponent>EQ==</Exponent><P>mmRPs28vh0mOsnQOder5fsxKsuGhBkz+mApKTNQZkkn7Ak3CWKaFzCI3ZBZUpTJag841LL45uM2NvesFn/T25Q==</P><Q>1iTLW2zHVIYi+A6Pb0UarMaBvOnH0CTP7xMEtLZD5MFYtqG+u45mtFj1w49ez7n5tq8WyOs90Jq1qhnKGJ0mqw==</Q><DP>JFPWhJKhxXq4Kf0wlDdJw3tc3sutauTwnD6oEhPJyBFoPMcAjVRbt4+UkAVBF8+c07gMgv+VHGyZ0lVqvDmjgQ==</DP><DQ>lykIBEzI8F6vRa/sxwOaW9dqo3fYVrCSxuA/jp7Gg1tNrhfR7c3uJPOATc6dR1YZriE9QofvZhLaljBSa7o5aQ==</DQ><InverseQ>KrrKkN4IKqqhrcpZbYIWH4rWoCcnfTI5jxMfUDKUac+UFGNxHCUGLe1x+rwz4HcOA7bKVECyGe6C9xeiN3XKuQ==</InverseQ><D>Fsp6elUr6iu9V6Vrlm/lk16oTmU1rTNllLRCZJCeUlN/22bHuSVo27hHyZ1f+Q26bqeL9Zpq7rZgXvBsqzFt9tBOESrkr+uEHIZwQ1HIDw2ajxwOnlrj+zjn6EKshrMOsEXXbgSAi6SvGifRC2f+TKawt9lZmGElV4QgMYlC56k=</D></RSAKeyValue>";

    var certificate = new X509Certificate2(Convert.FromBase64String(publicCert));

    var crypto = new RSACryptoServiceProvider();

    crypto.FromXmlString(privateCert);

    certificate.PrivateKey = crypto;

    //export a private key
    var exportedPrivate = certificate.PrivateKey.ToXmlString(true);
    var exportedPublic = Convert.ToBase64String(certificate.RawData);

    Assert.AreEqual(publicCert, exportedPublic);
    Assert.AreEqual(privateCert, exportedPrivate);
 }

So this is actually easy, although I found no simple description of it. I've left the cert strings in my gist (sample cert, no secure data)

https://gist.github.com/BillKeenan/5435753

[TestMethod]
public void TestCertificate()
{
    const string publicCert = @"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";
    const string privateCert = @"<RSAKeyValue><Modulus>gSYLX+KjhE0w8Klhqc9qQxhkZugwKs3qSqgi5IjWfS5/MJvBGSlSMmmWy9Ef2KMgcwrDxRWzSLQiGf0SdMLEeAzuJwHr270RqKRUG19IaXipTLlzlNl9s3Q/cyYGrhhej+9e8IMNWSWwwV6bnsI4BpW8CG/6ga/miKoQkxe36Pc=</Modulus><Exponent>EQ==</Exponent><P>mmRPs28vh0mOsnQOder5fsxKsuGhBkz+mApKTNQZkkn7Ak3CWKaFzCI3ZBZUpTJag841LL45uM2NvesFn/T25Q==</P><Q>1iTLW2zHVIYi+A6Pb0UarMaBvOnH0CTP7xMEtLZD5MFYtqG+u45mtFj1w49ez7n5tq8WyOs90Jq1qhnKGJ0mqw==</Q><DP>JFPWhJKhxXq4Kf0wlDdJw3tc3sutauTwnD6oEhPJyBFoPMcAjVRbt4+UkAVBF8+c07gMgv+VHGyZ0lVqvDmjgQ==</DP><DQ>lykIBEzI8F6vRa/sxwOaW9dqo3fYVrCSxuA/jp7Gg1tNrhfR7c3uJPOATc6dR1YZriE9QofvZhLaljBSa7o5aQ==</DQ><InverseQ>KrrKkN4IKqqhrcpZbYIWH4rWoCcnfTI5jxMfUDKUac+UFGNxHCUGLe1x+rwz4HcOA7bKVECyGe6C9xeiN3XKuQ==</InverseQ><D>Fsp6elUr6iu9V6Vrlm/lk16oTmU1rTNllLRCZJCeUlN/22bHuSVo27hHyZ1f+Q26bqeL9Zpq7rZgXvBsqzFt9tBOESrkr+uEHIZwQ1HIDw2ajxwOnlrj+zjn6EKshrMOsEXXbgSAi6SvGifRC2f+TKawt9lZmGElV4QgMYlC56k=</D></RSAKeyValue>";

    var certificate = new X509Certificate2(Convert.FromBase64String(publicCert));

    var crypto = new RSACryptoServiceProvider();

    crypto.FromXmlString(privateCert);

    certificate.PrivateKey = crypto;

    //export a private key
    var exportedPrivate = certificate.PrivateKey.ToXmlString(true);
    var exportedPublic = Convert.ToBase64String(certificate.RawData);

    Assert.AreEqual(publicCert, exportedPublic);
    Assert.AreEqual(privateCert, exportedPrivate);
 }
因为看清所以看轻 2024-10-23 09:48:16

你有一个带有 byte[] 的构造函数。因此,您可以将证书存储为字节数组,并使用

public X509Certificate2(
    byte[] rawData
)

链接加载证书: http://msdn.microsoft.com/en-us/library/ms148413%28v=VS.100%29.aspx

You have a constructor with a byte[]. So you can store your certificate as a byte array and load your certificate with

public X509Certificate2(
    byte[] rawData
)

link: http://msdn.microsoft.com/en-us/library/ms148413%28v=VS.100%29.aspx

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