private CCspInformations GetCspInformation(WindowsApi api)
{
CCspInformations cspList = new CCspInformations();
CCspInformation csp = new CCspInformation();
csp.InitializeFromName(GetWindowsApiProviderName(api));
cspList.Add(csp);
return(cspList);
}
/// <summary>
/// Creates a certificate request with the given name.
/// </summary>
/// <param name="name"></param>
public void CreateCertificateRequest(String name)
{
try
{
// Initialize cryptographic provider
objCSP.InitializeFromName(this.CryptographicProviderName);
objCSPs.Add(objCSP);
// Set CX509PrivateKey values and create
objPrivateKey.CspInformations = objCSPs;
objPrivateKey.Length = this.KeySize;
objPrivateKey.KeySpec = this.KeySpec;
objPrivateKey.KeyUsage = this.KeyUsage;
objPrivateKey.MachineContext = this.MachineContext;
objPrivateKey.ExportPolicy = this.ExportPolicy;
objPrivateKey.Create();
// Initalize CX509CertificateRequestCertificate.
objCertRequest.InitializeFromPrivateKey(this.EnrollmentContextMachine, objPrivateKey, "");
objObjectId.InitializeFromAlgorithmName(this.ObjectIdGroupId,
this.ObjectIdPublicKeyFlags,
this.AlgorithmFlags, this.AlgorithmName);
// Add the name passed in
objDN.Encode(
"CN=" + name,
X500NameFlags.XCN_CERT_NAME_STR_NONE
);
objCertRequest.Subject = objDN;
objCertRequest.Issuer = objDN;
objCertRequest.HashAlgorithm = objObjectId;
objCertRequest.NotBefore = DateTime.Now;
objCertRequest.NotAfter = DateTime.Now + (DateTime.Now.Date.AddDays(this.ExpirationLengthInDays) - DateTime.Now.Date);
objEnroll.InitializeFromRequest(objCertRequest);
objEnroll.CertificateFriendlyName = this.FriendlyName;
stringResponse = objEnroll.CreateRequest(this.EncodingType);
}
catch (Exception ex)
{
throw ex;
}
}
// create the certifcate request
public string CreateCertifcate(string hostName)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 objPkcs10 = new CX509CertificateRequestPkcs10();
CX509PrivateKey objPrivateKey = new CX509PrivateKey();
CCspInformation objCSP = new CCspInformation();
CCspInformations objCSPs = new CCspInformations();
CX500DistinguishedName objDN = new CX500DistinguishedName();
CX509Enrollment objEnroll = new CX509Enrollment();
CObjectIds objObjectIds = new CObjectIds();
CObjectId objObjectId = new CObjectId();
CX509ExtensionKeyUsage objExtensionKeyUsage = new CX509ExtensionKeyUsage();
CX509ExtensionEnhancedKeyUsage objX509ExtensionEnhancedKeyUsage = new CX509ExtensionEnhancedKeyUsage();
string CertifcateStr;
try
{
Database db = new Database();
/*Check if there is allready request for the hostname so we dont need to create new one*/
if (db.CheckIfCertificateExists(hostName) == 1)
{
return("Exsits");
}
if (db.CheckIfCertificateExists(hostName) == 2)
{
return("Issued");
}
//create the private key (CX509CertificateRequestPkcs10 will initilizae from the private key)
objCSP.InitializeFromName("Microsoft Enhanced Cryptographic Provider v1.0");
objCSPs.Add(objCSP);
objPrivateKey.Length = 1024;
objPrivateKey.KeySpec = X509KeySpec.XCN_AT_SIGNATURE;
objPrivateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
objPrivateKey.MachineContext = false;
objPrivateKey.CspInformations = objCSPs;
objPrivateKey.Create();
//create pkc10 object from the privaet key
objPkcs10.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextUser, objPrivateKey, "");
objExtensionKeyUsage.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);
// objPkcs10.X509Extensions.Add((CX509Extension)objExtensionKeyUsage);
// objObjectId.InitializeFromValue("1.3.6.1.5.5.7.3.2");
// objObjectIds.Add(objObjectId);
// objX509ExtensionEnhancedKeyUsage.InitializeEncode(objObjectIds);
// objPkcs10.X509Extensions.Add((CX509Extension)objX509ExtensionEnhancedKeyUsage);
objDN.Encode("CN=" + hostName, X500NameFlags.XCN_CERT_NAME_STR_NONE); //create DistinguishedName
objPkcs10.Subject = objDN; //initial the DistinguishedName
objEnroll.InitializeFromRequest(objPkcs10); //init enrollement request
CertifcateStr = objEnroll.CreateRequest(EncodingType.XCN_CRYPT_STRING_BASE64); //Certifcate Request
return(CertifcateStr);
}
catch (Exception ex)
{
Database db = new Database();
db.InsertToErrorMessageTable(hostName, 0, ex.Message, "CreateCertifcate");//insert Error Message into The Error Table Log In The DataBase
return("Error" + ex.Message);
}
}
public static X509Certificate2 CreateSelfSignedCertificate(string subjectName)
{
var distinguishedName = new CX500DistinguishedName();
distinguishedName.Encode(
"CN=" + subjectName,
X500NameFlags.XCN_CERT_NAME_STR_NONE);
CCspInformations objCSPs = new CCspInformations();
CCspInformation objCSP = new CCspInformation();
objCSP.InitializeFromName(
"Microsoft Enhanced RSA and AES Cryptographic Provider");
objCSPs.Add(objCSP);
// Build the private key
CX509PrivateKey privateKey = new CX509PrivateKey();
privateKey.MachineContext = false;
privateKey.Length = 2048;
privateKey.CspInformations = objCSPs;
privateKey.KeySpec = X509KeySpec.XCN_AT_KEYEXCHANGE;
privateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
privateKey.ExportPolicy = X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_EXPORT_FLAG;
// Create the private key in the CSP's protected storage
privateKey.Create();
// Build the algorithm identifier
var hashobj = new CObjectId();
hashobj.InitializeFromAlgorithmName(
ObjectIdGroupId.XCN_CRYPT_HASH_ALG_OID_GROUP_ID,
ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY,
AlgorithmFlags.AlgorithmFlagsNone,
"SHA256");
// Create the self-signing request from the private key
var certificateRequest = new CX509CertificateRequestCertificate();
certificateRequest.InitializeFromPrivateKey(
X509CertificateEnrollmentContext.ContextUser,
privateKey,
string.Empty);
certificateRequest.Subject = distinguishedName;
certificateRequest.Issuer = distinguishedName;
certificateRequest.NotBefore = DateTime.Now.AddDays(-1);
certificateRequest.NotAfter = DateTime.Now.AddYears(100);
certificateRequest.HashAlgorithm = hashobj;
certificateRequest.Encode();
var enrollment = new CX509Enrollment();
// Load the certificate request
enrollment.InitializeFromRequest(certificateRequest);
enrollment.CertificateFriendlyName = subjectName;
// Output the request in base64 and install it back as the response
string csr = enrollment.CreateRequest();
// Install the response
enrollment.InstallResponse(
InstallResponseRestrictionFlags.AllowUntrustedCertificate,
csr,
EncodingType.XCN_CRYPT_STRING_BASE64,
string.Empty);
// Get the new certificate without the private key
byte[] certificateData = Convert.FromBase64String(enrollment.Certificate);
return(new X509Certificate2(certificateData));
}
public void GenerateCsr(SSLCertificate cert)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 pkcs10 = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509CertificateRequestPkcs10", true)) as CX509CertificateRequestPkcs10;
CX509PrivateKey privateKey = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509PrivateKey", true)) as CX509PrivateKey;
CCspInformation csp = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CCspInformation", true)) as CCspInformation;
CCspInformations csPs = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CCspInformations", true)) as CCspInformations;
CX500DistinguishedName dn = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX500DistinguishedName", true)) as CX500DistinguishedName;
CX509Enrollment enroll = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509Enrollment", true)) as CX509Enrollment;
CObjectIds objectIds = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CObjectIds", true)) as CObjectIds;
CObjectId objectId = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CObjectId", true)) as CObjectId;
CX509ExtensionKeyUsage extensionKeyUsage = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509ExtensionKeyUsage", true)) as CX509ExtensionKeyUsage;
CX509ExtensionEnhancedKeyUsage x509ExtensionEnhancedKeyUsage = Activator.CreateInstance(Type.GetTypeFromProgID("X509Enrollment.CX509ExtensionEnhancedKeyUsage", true)) as CX509ExtensionEnhancedKeyUsage;
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
privateKey.Length = cert.CSRLength;
privateKey.KeySpec = X509KeySpec.XCN_AT_KEYEXCHANGE;
privateKey.KeyUsage = X509PrivateKeyUsageFlags.XCN_NCRYPT_ALLOW_ALL_USAGES;
privateKey.ExportPolicy =
X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_EXPORT_FLAG
| X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_ARCHIVING_FLAG
| X509PrivateKeyExportFlags.XCN_NCRYPT_ALLOW_PLAINTEXT_ARCHIVING_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(
CertEnrollInterop.X509KeyUsageFlags.XCN_CERT_DIGITAL_SIGNATURE_KEY_USAGE |
CertEnrollInterop.X509KeyUsageFlags.XCN_CERT_NON_REPUDIATION_KEY_USAGE |
CertEnrollInterop.X509KeyUsageFlags.XCN_CERT_KEY_ENCIPHERMENT_KEY_USAGE |
CertEnrollInterop.X509KeyUsageFlags.XCN_CERT_DATA_ENCIPHERMENT_KEY_USAGE
);
pkcs10.X509Extensions.Add((CX509Extension)extensionKeyUsage);
// Enhanced Key Usage Extension
objectId.InitializeFromName(CertEnrollInterop.CERTENROLL_OBJECTID.XCN_OID_PKIX_KP_SERVER_AUTH);
objectIds.Add(objectId);
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);
// enable SMIME capabilities
pkcs10.SmimeCapabilities = true;
// 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 void GenerateCsr(SSLCertificate cert)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 pkcs10 = new CX509CertificateRequestPkcs10();
CX509PrivateKey privateKey = new CX509PrivateKey();
CCspInformation csp = new CCspInformation();
CCspInformations csPs = new CCspInformations();
CX500DistinguishedName dn = new CX500DistinguishedName();
CX509Enrollment enroll = new CX509Enrollment();
CObjectIds objectIds = new CObjectIds();
CObjectId clientObjectId = new CObjectId();
CObjectId serverObjectId = new CObjectId();
CX509ExtensionKeyUsage extensionKeyUsage = new CX509ExtensionKeyUsage();
CX509ExtensionEnhancedKeyUsage x509ExtensionEnhancedKeyUsage = new CX509ExtensionEnhancedKeyUsage();
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 void GenerateCsr(SSLCertificate cert)
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 pkcs10 = new CX509CertificateRequestPkcs10();
CX509PrivateKey privateKey = new CX509PrivateKey();
CCspInformation csp = new CCspInformation();
CCspInformations csPs = new CCspInformations();
CX500DistinguishedName dn = new CX500DistinguishedName();
CX509Enrollment enroll = new CX509Enrollment();
CObjectIds objectIds = new CObjectIds();
CObjectId clientObjectId = new CObjectId();
CObjectId serverObjectId = new CObjectId();
CX509ExtensionKeyUsage extensionKeyUsage = new CX509ExtensionKeyUsage();
CX509ExtensionEnhancedKeyUsage x509ExtensionEnhancedKeyUsage = new CX509ExtensionEnhancedKeyUsage();
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);
}
}
