public static bool Enroll(string username, WindowsCertificate agentCertificate, string caConfig, string template, string csr, out string errorMessage, out X509Certificate2 cert)
{
errorMessage = null;
cert = null;
string argsUser = username;
X509Store store = new X509Store("My", StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
// Create a PKCS 10 inner request.
CX509CertificateRequestPkcs10 pkcs10Req;
try
{
pkcs10Req = new CX509CertificateRequestPkcs10();
pkcs10Req.InitializeDecode(csr, EncodingType.XCN_CRYPT_STRING_BASE64_ANY);
}
catch (Exception ex)
{
errorMessage = "Unable to create PKCS10 request, malformed CSR?" + Environment.NewLine + ex.Message;
return(false);
}
// Create a CMC outer request and initialize
CX509CertificateRequestCmc cmcReq;
try
{
cmcReq = new CX509CertificateRequestCmc();
cmcReq.InitializeFromInnerRequestTemplateName(pkcs10Req, template);
cmcReq.RequesterName = argsUser;
}
catch (Exception ex)
{
errorMessage = "Unable to create CMC request, bad certificate template?" + Environment.NewLine + ex.Message;
return(false);
}
if (agentCertificate.StoreLocation == StoreLocation.CurrentUser)
{
try
{
CSignerCertificate signer = new CSignerCertificate();
signer.Initialize(false, X509PrivateKeyVerify.VerifyNone, EncodingType.XCN_CRYPT_STRING_HEXRAW, agentCertificate.Certificate.Thumbprint);
cmcReq.SignerCertificate = signer;
}
catch (COMException ex) when(ex.HResult == (int)WindowsCryptoApiErrors.CRYPT_E_NOT_FOUND)
{
errorMessage = "Agent certificate was not found in the CurrentUser store";
return(false);
}
catch (COMException ex) when(ex.HResult == (int)WindowsCryptoApiErrors.NTE_NO_KEY)
{
errorMessage = "Could not access the key of the agent certificate. Perhaps you do not have permissions for it?" + Environment.NewLine + Environment.NewLine + "Consult the manual for more information";
return(false);
}
catch (Exception ex)
{
errorMessage = "Unable to initialize signer, bad agent certificate?" + Environment.NewLine + ex.Message;
return(false);
}
}
else if (agentCertificate.StoreLocation == StoreLocation.LocalMachine)
{
try
{
CSignerCertificate signer = new CSignerCertificate();
signer.Initialize(true, X509PrivateKeyVerify.VerifyNone, EncodingType.XCN_CRYPT_STRING_HEXRAW, agentCertificate.Certificate.Thumbprint);
cmcReq.SignerCertificate = signer;
}
catch (COMException ex) when(ex.HResult == (int)WindowsCryptoApiErrors.CRYPT_E_NOT_FOUND)
{
errorMessage = "Agent certificate was not found in the LocalMachine store";
return(false);
}
catch (COMException ex) when(ex.HResult == (int)WindowsCryptoApiErrors.NTE_NO_KEY)
{
errorMessage = "Could not access the key of the agent certificate. Perhaps you do not have permissions for it?" + Environment.NewLine + Environment.NewLine + "Consult the manual for more information";
return(false);
}
catch (Exception ex)
{
errorMessage = "Unable to initialize signer, bad agent certificate?" + Environment.NewLine + ex.Message;
return(false);
}
}
else
{
errorMessage = "Agent certificate was not found in any store";
return(false);
}
// encode the request
cmcReq.Encode();
string strRequest = cmcReq.RawData[EncodingType.XCN_CRYPT_STRING_BASE64];
CCertRequest objCertRequest = new CCertRequest();
// Get CA config from UI
string strCAConfig = caConfig;
// Submit the request
int iDisposition;
try
{
iDisposition = objCertRequest.Submit(CR_IN_BASE64 | CR_IN_FORMATANY, strRequest, null, strCAConfig);
}
catch (Exception ex)
{
errorMessage = "Unable to submit signing request, bad CA config?" + Environment.NewLine + ex.Message;
return(false);
}
// Check the submission status
if (CR_DISP_ISSUED != iDisposition) // Not enrolled
{
string strDisposition = objCertRequest.GetDispositionMessage();
errorMessage = strDisposition;
if (CR_DISP_UNDER_SUBMISSION == iDisposition)
{
return(false);
}
errorMessage = errorMessage + Environment.NewLine + objCertRequest.GetLastStatus();
return(false);
}
// Get the certificate
string strCert = objCertRequest.GetCertificate(CR_OUT_BASE64);
byte[] rawCert = Convert.FromBase64String(strCert);
cert = new X509Certificate2(rawCert);
return(true);
}
static void Main(string[] args)
{
if (args.Length != 5)
{
Console.WriteLine("Usage: Signer.exe [EnrollmentCertificateThumbprint] [BehalfOfUser] [PathToCSR] [OutputFileName] [CertificateTemplate]");
return;
}
string argsKey = args[0];
string argsUser = args[1];
string argsCsr = args[2];
string argsCrt = args[3];
string argsCrtTmpl = args[4];
string csr = string.Join("\n", File.ReadAllLines(argsCsr).Where(s => s.Length > 0 && !s.StartsWith("--")));
// Create a PKCS 10 inner request.
CX509CertificateRequestPkcs10 pkcs10Req = new CX509CertificateRequestPkcs10();
pkcs10Req.InitializeDecode(csr);
// Create a CMC outer request and initialize
CX509CertificateRequestCmc cmcReq = new CX509CertificateRequestCmc();
cmcReq.InitializeFromInnerRequestTemplateName(pkcs10Req, argsCrtTmpl);
cmcReq.RequesterName = argsUser;
CSignerCertificate signer = new CSignerCertificate();
signer.Initialize(false, X509PrivateKeyVerify.VerifyNone, (EncodingType)0xc, argsKey);
cmcReq.SignerCertificate = signer;
// encode the request
cmcReq.Encode();
string strRequest = cmcReq.RawData[EncodingType.XCN_CRYPT_STRING_BASE64];
CCertConfig objCertConfig = new CCertConfig();
CCertRequest objCertRequest = new CCertRequest();
// Get CA config from UI
string strCAConfig = objCertConfig.GetConfig(CC_UIPICKCONFIG);
// Submit the request
int iDisposition = objCertRequest.Submit(CR_IN_BASE64 | CR_IN_FORMATANY, strRequest, null, strCAConfig);
// Check the submission status
if (CR_DISP_ISSUED != iDisposition) // Not enrolled
{
string strDisposition = objCertRequest.GetDispositionMessage();
if (CR_DISP_UNDER_SUBMISSION == iDisposition)
{
Console.WriteLine("The submission is pending: " + strDisposition);
return;
}
Console.WriteLine("The submission failed: " + strDisposition);
Console.WriteLine("Last status: " + objCertRequest.GetLastStatus());
return;
}
// Get the certificate
string strCert = objCertRequest.GetCertificate(CR_OUT_BASE64);
File.WriteAllText(argsCrt, "-----BEGIN CERTIFICATE-----\n" + strCert + "-----END CERTIFICATE-----\n");
}
private static void Enroll(string publicKeyAsPem, string username, string agentCertificate, string caConfig)
{
string argsKey = agentCertificate;
string argsUser = username;
X509Store store = new X509Store("My", StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
publicKeyAsPem = string.Join("", publicKeyAsPem.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries).Where(s => !s.StartsWith("--")));
// Create a PKCS 10 inner request.
CX509PublicKey pubKey = new CX509PublicKey();
pubKey.InitializeFromEncodedPublicKeyInfo(publicKeyAsPem);
CObjectId sha512 = new CObjectId();
sha512.InitializeFromValue("2.16.840.1.101.3.4.2.3");
CX509CertificateRequestPkcs10 pkcs10Req = new CX509CertificateRequestPkcs10();
pkcs10Req.InitializeFromPublicKey(X509CertificateEnrollmentContext.ContextUser, pubKey, "");
pkcs10Req.HashAlgorithm = sha512;
string toSign = pkcs10Req.RawDataToBeSigned[EncodingType.XCN_CRYPT_STRING_HASHDATA];
//using (YubikeyPivTool piv = new YubikeyPivTool())
//{
// //piv.
//}
// Create a CMC outer request and initialize
CX509CertificateRequestCmc cmcReq = new CX509CertificateRequestCmc();
cmcReq.InitializeFromInnerRequestTemplateName(pkcs10Req, "SmartcardLogon");
cmcReq.RequesterName = argsUser;
CSignerCertificate signer = new CSignerCertificate();
signer.Initialize(false, X509PrivateKeyVerify.VerifyNone, (EncodingType)0xc, argsKey);
cmcReq.SignerCertificate = signer;
// encode the request
cmcReq.Encode();
string strRequest = cmcReq.RawData[EncodingType.XCN_CRYPT_STRING_BASE64];
CCertRequest objCertRequest = new CCertRequest();
// Get CA config from UI
string strCAConfig = caConfig;
// Submit the request
int iDisposition = objCertRequest.Submit(CR_IN_BASE64 | CR_IN_FORMATANY, strRequest, null, strCAConfig);
// Check the submission status
if (CR_DISP_ISSUED != iDisposition) // Not enrolled
{
string strDisposition = objCertRequest.GetDispositionMessage();
if (CR_DISP_UNDER_SUBMISSION == iDisposition)
{
Console.WriteLine("The submission is pending: " + strDisposition);
return;
}
Console.WriteLine("The submission failed: " + strDisposition);
Console.WriteLine("Last status: " + objCertRequest.GetLastStatus());
return;
}
// Get the certificate
string strCert = objCertRequest.GetCertificate(CR_OUT_BASE64);
string argsCrt = "tmp.crt";
File.WriteAllText(argsCrt, "-----BEGIN CERTIFICATE-----\n" + strCert + "-----END CERTIFICATE-----\n");
}