public void GenerateCsr(SSLCertificate cert)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 pkcs10 = new CX509CertificateRequestPkcs10Class();
CX509PrivateKey privateKey = new CX509PrivateKeyClass();
CCspInformation csp = new CCspInformationClass();
CCspInformations csPs = new CCspInformationsClass();
CX500DistinguishedName dn = new CX500DistinguishedNameClass();
CX509Enrollment enroll = new CX509EnrollmentClass();
CObjectIds objectIds = new CObjectIdsClass();
CObjectId clientObjectId = new CObjectIdClass();
CObjectId serverObjectId = new CObjectIdClass();
CX509ExtensionKeyUsage extensionKeyUsage = new CX509ExtensionKeyUsageClass();
CX509ExtensionEnhancedKeyUsage x509ExtensionEnhancedKeyUsage = new CX509ExtensionEnhancedKeyUsageClass();
try
{
// Initialize the csp object using the desired Cryptograhic Service Provider (CSP)
csp.InitializeFromName("Microsoft RSA SChannel Cryptographic Provider");
// Add this CSP object to the CSP collection object
csPs.Add(csp);
// Provide key container name, key length and key spec to the private key object
//objPrivateKey.ContainerName = "AlejaCMa";
privateKey.Length = cert.CSRLength;
privateKey.KeySpec = X509KeySpec.XCN_AT_SIGNATURE;
privateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
privateKey.ExportPolicy = X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_EXPORT_FLAG | X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_EXPORT_FLAG;
privateKey.MachineContext = true;
// Provide the CSP collection object (in this case containing only 1 CSP object)
// to the private key object
privateKey.CspInformations = csPs;
// Create the actual key pair
privateKey.Create();
// Initialize the PKCS#10 certificate request object based on the private key.
// Using the context, indicate that this is a user certificate request and don't
// provide a template name
pkcs10.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextMachine, privateKey, "");
cert.PrivateKey = privateKey.ToString();
// Key Usage Extension
extensionKeyUsage.InitializeEncode(
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_NON_REPUDIATION_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE
);
pkcs10.X509Extensions.Add((CX509Extension)extensionKeyUsage);
// Enhanced Key Usage Extension
clientObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.2");
objectIds.Add(clientObjectId);
serverObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.1");
objectIds.Add(serverObjectId);
x509ExtensionEnhancedKeyUsage.InitializeEncode(objectIds);
pkcs10.X509Extensions.Add((CX509Extension)x509ExtensionEnhancedKeyUsage);
// Encode the name in using the Distinguished Name object
string request = String.Format(@"CN={0}, O={1}, OU={2}, L={3}, S={4}, C={5}", cert.Hostname, cert.Organisation, cert.OrganisationUnit, cert.City, cert.State, cert.Country);
dn.Encode(request, X500NameFlags.XCN_CERT_NAME_STR_NONE);
// Assing the subject name by using the Distinguished Name object initialized above
pkcs10.Subject = dn;
// Create enrollment request
enroll.InitializeFromRequest(pkcs10);
enroll.CertificateFriendlyName = cert.FriendlyName;
cert.CSR = enroll.CreateRequest(EncodingType.XCN_CRYPT_STRING_BASE64REQUESTHEADER);
}
catch (Exception ex)
{
Log.WriteError("Error creating CSR", ex);
}
}
public string GenerateRequest(EnrollRequestDetails pDetails)
{
var objPkcs10 =
Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509CertificateRequestPkcs10")) as
CX509CertificateRequestPkcs10;
var objPrivateKey =
Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509PrivateKey")) as CX509PrivateKey;
var objCSP = new CCspInformationClass();
var objCSPs = new CCspInformationsClass();
var objDN = new CX500DistinguishedNameClass();
var objEnroll =
Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509Enrollment")) as CX509Enrollment;
var objObjectIds = new CObjectIdsClass();
var objObjectId = new CObjectIdClass();
var objExtensionKeyUsage =
Activator.CreateInstance(
Type.GetTypeFromProgID("X509Enrollment.CX509ExtensionKeyUsage")) as CX509ExtensionKeyUsage;
var objX509ExtensionEnhancedKeyUsage =
Activator.CreateInstance(
Type.GetTypeFromProgID("X509Enrollment.CX509ExtensionEnhancedKeyUsage")) as
CX509ExtensionEnhancedKeyUsage;
try
{
// Initialize the csp object using the desired Cryptograhic Service Provider (CSP)
objCSP.InitializeFromName("Microsoft Enhanced Cryptographic Provider v1.0");
// Add this CSP object to the CSP collection object
objCSPs.Add(
objCSP
);
// Provide key container name, key length and key spec to the private key object
//objPrivateKey.ContainerName = "AlejaCMa";
objPrivateKey.Length = 4096;
objPrivateKey.KeySpec = X509KeySpec.XCN_AT_SIGNATURE;
objPrivateKey.ExportPolicy = X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_EXPORT_FLAG;
objPrivateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
objPrivateKey.MachineContext = false;
// Provide the CSP collection object (in this case containing only 1 CSP object)
// to the private key object
objPrivateKey.CspInformations = objCSPs;
// Create the actual key pair
objPrivateKey.Create();
// Initialize the PKCS#10 certificate request object based on the private key.
// Using the context, indicate that this is a user certificate request and don't
// provide a template name
objPkcs10.InitializeFromPrivateKey(
X509CertificateEnrollmentContext.ContextUser,
objPrivateKey,
""
);
// Key Usage Extension
objExtensionKeyUsage.InitializeEncode(
X509KeyUsageFlags.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE |
X509KeyUsageFlags.XCN_CERT_NON_REPUDIATION_KEY_USAGE |
X509KeyUsageFlags.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE |
X509KeyUsageFlags.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE
);
objPkcs10.X509Extensions.Add((CX509Extension)objExtensionKeyUsage);
// Enhanced Key Usage Extension
objObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.2"); // OID for Client Authentication usage
objObjectIds.Add(objObjectId);
objX509ExtensionEnhancedKeyUsage.InitializeEncode(objObjectIds);
objPkcs10.X509Extensions.Add((CX509Extension)objX509ExtensionEnhancedKeyUsage);
// Encode the name in using the Distinguished Name object
objDN.Encode(
string.Format("C={0}, ST={1}, L={2}, O={3}, CN={4}, email={5},OU={6}",
pDetails.Country,
pDetails.County,
pDetails.City,
pDetails.CompanyName,
pDetails.CommonName,
pDetails.EmailAddress,
pDetails.Department),
X500NameFlags.XCN_CERT_X500_NAME_STR
);
// Assing the subject name by using the Distinguished Name object initialized above
objPkcs10.Subject = objDN;
// Create enrollment request
objEnroll.InitializeFromRequest(objPkcs10);
var strRequest = objEnroll.CreateRequest(
EncodingType.XCN_CRYPT_STRING_BASE64
);
var sb = new StringBuilder("-----BEGIN NEW CERTIFICATE REQUEST-----");
sb.AppendLine();
sb.Append(strRequest);
sb.AppendLine("-----END NEW CERTIFICATE REQUEST-----");
return(sb.ToString());
}
catch (Exception ex)
{
EventLogHelper.LogEvent(ex.Message + "\n\r" + ex.StackTrace);
return(null);
}
}
public void GenerateCsr(SSLCertificate cert)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 pkcs10 = new CX509CertificateRequestPkcs10Class();
CX509PrivateKey privateKey = new CX509PrivateKeyClass();
CCspInformation csp = new CCspInformationClass();
CCspInformations csPs = new CCspInformationsClass();
CX500DistinguishedName dn = new CX500DistinguishedNameClass();
CX509Enrollment enroll = new CX509EnrollmentClass();
CObjectIds objectIds = new CObjectIdsClass();
CObjectId clientObjectId = new CObjectIdClass();
CObjectId serverObjectId = new CObjectIdClass();
CX509ExtensionKeyUsage extensionKeyUsage = new CX509ExtensionKeyUsageClass();
CX509ExtensionEnhancedKeyUsage x509ExtensionEnhancedKeyUsage = new CX509ExtensionEnhancedKeyUsageClass();
try
{
// Initialize the csp object using the desired Cryptograhic Service Provider (CSP)
csp.InitializeFromName("Microsoft RSA SChannel Cryptographic Provider");
// Add this CSP object to the CSP collection object
csPs.Add(csp);
// Provide key container name, key length and key spec to the private key object
//objPrivateKey.ContainerName = "AlejaCMa";
privateKey.Length = cert.CSRLength;
privateKey.KeySpec = X509KeySpec.XCN_AT_SIGNATURE;
privateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
privateKey.ExportPolicy = X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_EXPORT_FLAG | X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_EXPORT_FLAG;
privateKey.MachineContext = true;
// Provide the CSP collection object (in this case containing only 1 CSP object)
// to the private key object
privateKey.CspInformations = csPs;
// Create the actual key pair
privateKey.Create();
// Initialize the PKCS#10 certificate request object based on the private key.
// Using the context, indicate that this is a user certificate request and don't
// provide a template name
pkcs10.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextMachine, privateKey, "");
cert.PrivateKey = privateKey.ToString();
// Key Usage Extension
extensionKeyUsage.InitializeEncode(
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_NON_REPUDIATION_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE |
CERTENROLLLib.X509KeyUsageFlags.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE
);
pkcs10.X509Extensions.Add((CX509Extension)extensionKeyUsage);
// Enhanced Key Usage Extension
clientObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.2");
objectIds.Add(clientObjectId);
serverObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.1");
objectIds.Add(serverObjectId);
x509ExtensionEnhancedKeyUsage.InitializeEncode(objectIds);
pkcs10.X509Extensions.Add((CX509Extension)x509ExtensionEnhancedKeyUsage);
// Encode the name in using the Distinguished Name object
string request = String.Format(@"CN={0}, O={1}, OU={2}, L={3}, S={4}, C={5}", cert.Hostname, cert.Organisation, cert.OrganisationUnit, cert.City, cert.State, cert.Country);
dn.Encode(request, X500NameFlags.XCN_CERT_NAME_STR_NONE);
// Assing the subject name by using the Distinguished Name object initialized above
pkcs10.Subject = dn;
// Create enrollment request
enroll.InitializeFromRequest(pkcs10);
enroll.CertificateFriendlyName = cert.FriendlyName;
cert.CSR = enroll.CreateRequest(EncodingType.XCN_CRYPT_STRING_BASE64REQUESTHEADER);
}
catch (Exception ex)
{
Log.WriteError("Error creating CSR", ex);
}
}