Net.Pkcs11Interop.LowLevelAPI40.Pkcs11.C_GetMechanismInfo C# (CSharp) Method

        public CKR C_GetMechanismInfo(uint slotId, CKM type, ref CK_MECHANISM_INFO info)
        {
            if (this._disposed)
                throw new ObjectDisposedException(this.GetType().FullName);

            uint rv = _delegates.C_GetMechanismInfo(slotId, (uint)type, ref info);
            return (CKR)rv;
        }

        public void _01_BasicMechanismListAndInfoTest()
        {
            if (Platform.UnmanagedLongSize != 4 || Platform.StructPackingSize != 0)
                Assert.Inconclusive("Test cannot be executed on this platform");

            CKR rv = CKR.CKR_OK;
            
            using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath))
            {
                rv = pkcs11.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
                uint slotId = Helpers.GetUsableSlot(pkcs11);
                
                // Get number of supported mechanisms in first call
                uint mechanismCount = 0;
                rv = pkcs11.C_GetMechanismList(slotId, null, ref mechanismCount);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
                
                Assert.IsTrue(mechanismCount > 0);
                
                // Allocate array for supported mechanisms
                CKM[] mechanismList = new CKM[mechanismCount];
                
                // Get supported mechanisms in second call
                rv = pkcs11.C_GetMechanismList(slotId, mechanismList, ref mechanismCount);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
                
                // Analyze first supported mechanism
                CK_MECHANISM_INFO mechanismInfo = new CK_MECHANISM_INFO();
                rv = pkcs11.C_GetMechanismInfo(slotId, mechanismList[0], ref mechanismInfo);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
                
                // Do something interesting with mechanism info
                
                rv = pkcs11.C_Finalize(IntPtr.Zero);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
            }
        }