Net.Pkcs11Interop.Tests.LowLevelAPI40.Helpers.CreateDataObject C# (CSharp) Method

        public static CKR CreateDataObject(Pkcs11 pkcs11, uint session, ref uint objectId)
        {
            CKR rv = CKR.CKR_OK;

            // Prepare attribute template of new data object
            CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[5];
            template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_DATA);
            template[1] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true);
            template[2] = CkaUtils.CreateAttribute(CKA.CKA_APPLICATION, Settings.ApplicationName);
            template[3] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName);
            template[4] = CkaUtils.CreateAttribute(CKA.CKA_VALUE, "Data object content");
            
            // Create object
            rv = pkcs11.C_CreateObject(session, template, Convert.ToUInt32(template.Length), ref objectId);

            // In LowLevelAPI caller has to free unmanaged memory taken by attributes
            for (int i = 0; i < template.Length; i++)
            {
                UnmanagedMemory.Free(ref template[i].value);
                template[i].valueLen = 0;
            }

            return rv;
        }

        public void _02_CopyObjectTest()
        {
            Helpers.CheckPlatform();

            CKR rv = CKR.CKR_OK;

            using (Pkcs11Library pkcs11Library = new Pkcs11Library(Settings.Pkcs11LibraryPath))
            {
                rv = pkcs11Library.C_Initialize(Settings.InitArgs40);
                if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
                    Assert.Fail(rv.ToString());

                // Find first slot with token present
                NativeULong slotId = Helpers.GetUsableSlot(pkcs11Library);

                NativeULong session = CK.CK_INVALID_HANDLE;
                rv = pkcs11Library.C_OpenSession(slotId, (CKF.CKF_SERIAL_SESSION | CKF.CKF_RW_SESSION), IntPtr.Zero, IntPtr.Zero, ref session);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                // Login as normal user
                rv = pkcs11Library.C_Login(session, CKU.CKU_USER, Settings.NormalUserPinArray, ConvertUtils.UInt32FromInt32(Settings.NormalUserPinArray.Length));
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                // Create object that can be copied
                NativeULong objectId = CK.CK_INVALID_HANDLE;
                rv = Helpers.CreateDataObject(pkcs11Library, session, ref objectId);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                // Copy object
                NativeULong copiedObjectId = CK.CK_INVALID_HANDLE;
                rv = pkcs11Library.C_CopyObject(session, objectId, null, 0, ref copiedObjectId);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                // Do something interesting with new object

                rv = pkcs11Library.C_DestroyObject(session, copiedObjectId);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                rv = pkcs11Library.C_DestroyObject(session, objectId);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                rv = pkcs11Library.C_Logout(session);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                rv = pkcs11Library.C_CloseSession(session);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());

                rv = pkcs11Library.C_Finalize(IntPtr.Zero);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
            }
        }