static void Main()
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 p10 = new CX509CertificateRequestPkcs10Class();
CX509PrivateKey pri = new CX509PrivateKeyClass();
CX500DistinguishedName dn = new CX500DistinguishedNameClass();
CObjectId objecc = new CObjectIdClass();
CObjectId objhash = new CObjectId();
string base64p10;
// Initialize the object ID class for the ECC algorithm (ECDSA_P256)
// objecc.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, "ECDSA_P256");
objecc.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, AlgorithmFlags.AlgorithmFlagsNone, "ECDSA_P256");
// Initialize the object ID class for the hashing algorithm (SHA384)
objhash.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_HASH_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, AlgorithmFlags.AlgorithmFlagsNone, "SHA384");
// Provide provider name and the object id to the private key object
pri.ProviderName = "Microsoft Software Key Storage Provider";
pri.Algorithm = objecc;
// Create the actual key pair
pri.Create();
// Encode the name in using the Distinguished Name object
dn.Encode("CN=YourName", X500NameFlags.XCN_CERT_NAME_STR_NONE);
// 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
p10.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextUser, pri, "");
// The newly created certificate request object will contain some default extensions.
// Suppress these defaults by setting the SuppressDefaults flag
p10.SuppressDefaults = true;
p10.HashAlgorithm = objhash;
// Assing the subject name by using the Distinguished Name object initialized above
p10.Subject = dn;
// Encode the certificate request
p10.Encode();
// Get the certificate request in form of a base 64 encoded string
base64p10 = p10.get_RawData(EncodingType.XCN_CRYPT_STRING_BASE64);
// print the certificate request on the console
Console.Write(base64p10);
Console.ReadKey();
return;
}
static void Main()
{
// Create all the objects that will be required
CX509CertificateRequestPkcs10 p10 = new CX509CertificateRequestPkcs10Class();
CX509PrivateKey pri = new CX509PrivateKeyClass();
CX500DistinguishedName dn = new CX500DistinguishedNameClass();
CObjectId objecc = new CObjectIdClass();
CObjectId objhash = new CObjectId();
string base64p10;
// Initialize the object ID class for the ECC algorithm (ECDSA_P256)
// objecc.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, "ECDSA_P256");
objecc.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_PUBKEY_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, AlgorithmFlags.AlgorithmFlagsNone, "ECDSA_P256");
// Initialize the object ID class for the hashing algorithm (SHA384)
objhash.InitializeFromAlgorithmName(ObjectIdGroupId.XCN_CRYPT_HASH_ALG_OID_GROUP_ID, ObjectIdPublicKeyFlags.XCN_CRYPT_OID_INFO_PUBKEY_ANY, AlgorithmFlags.AlgorithmFlagsNone, "SHA384");
// Provide provider name and the object id to the private key object
pri.ProviderName = "Microsoft Software Key Storage Provider";
pri.Algorithm = objecc;
// Create the actual key pair
pri.Create();
// Encode the name in using the Distinguished Name object
dn.Encode("CN=YourName", X500NameFlags.XCN_CERT_NAME_STR_NONE);
// 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
p10.InitializeFromPrivateKey(X509CertificateEnrollmentContext.ContextUser, pri, "");
// The newly created certificate request object will contain some default extensions.
// Suppress these defaults by setting the SuppressDefaults flag
p10.SuppressDefaults = true;
p10.HashAlgorithm = objhash;
// Assing the subject name by using the Distinguished Name object initialized above
p10.Subject = dn;
// Encode the certificate request
p10.Encode();
// Get the certificate request in form of a base 64 encoded string
base64p10 = p10.get_RawData(EncodingType.XCN_CRYPT_STRING_BASE64);
// print the certificate request on the console
Console.Write(base64p10);
Console.ReadKey();
return;
}
