C_GetInfo() public method

Returns general information about Cryptoki
public C_GetInfo ( CK_INFO &info ) : CKR
info CK_INFO Structure that receives the information
return CKR
        public void _01_BasicGetInfoTest()
        {
            if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 1)
                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.InitArgs81);
                if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
                    Assert.Fail(rv.ToString());
                
                CK_INFO info = new CK_INFO();
                rv = pkcs11.C_GetInfo(ref info);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
                
                // Do something interesting with library information
                Assert.IsFalse(String.IsNullOrEmpty(ConvertUtils.BytesToUtf8String(info.ManufacturerId)));
                
                rv = pkcs11.C_Finalize(IntPtr.Zero);
                if (rv != CKR.CKR_OK)
                    Assert.Fail(rv.ToString());
            }
        }
        public void _06_GetMatchingSlotList()
        {
            if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 1)
                Assert.Inconclusive("Test cannot be executed on this platform");

            using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath, Settings.UseOsLocking))
            {
                CKR rv = pkcs11.C_Initialize(Settings.InitArgs81);
                Assert.IsTrue(rv == CKR.CKR_OK);

                // Get all slots
                ulong allSlotsCount = 0;
                rv = pkcs11.C_GetSlotList(true, null, ref allSlotsCount);
                Assert.IsTrue(rv == CKR.CKR_OK);
                Assert.IsTrue(allSlotsCount > 0);
                ulong[] allSlots = new ulong[allSlotsCount];
                rv = pkcs11.C_GetSlotList(true, allSlots, ref allSlotsCount);
                Assert.IsTrue(rv == CKR.CKR_OK);

                // Empty URI
                Pkcs11Uri pkcs11uri = new Pkcs11Uri(@"pkcs11:");
                ulong[] matchedSlots = null;
                rv = Pkcs11UriUtils.GetMatchingSlotList(pkcs11uri, pkcs11, true, out matchedSlots);
                Assert.IsTrue(rv == CKR.CKR_OK);
                Assert.IsTrue(matchedSlots.Length == allSlots.Length);

                // Unknown path attribute in URI
                pkcs11uri = new Pkcs11Uri(@"pkcs11:vendor=foobar");
                rv = Pkcs11UriUtils.GetMatchingSlotList(pkcs11uri, pkcs11, true, out matchedSlots);
                Assert.IsTrue(rv == CKR.CKR_OK);
                Assert.IsTrue(matchedSlots.Length == 0);

                // All attributes matching one slot
                CK_INFO libraryInfo = new CK_INFO();
                rv = pkcs11.C_GetInfo(ref libraryInfo);
                Assert.IsTrue(rv == CKR.CKR_OK);
                CK_SLOT_INFO slotInfo = new CK_SLOT_INFO();
                rv = pkcs11.C_GetSlotInfo(allSlots[0], ref slotInfo);
                Assert.IsTrue(rv == CKR.CKR_OK);
                CK_TOKEN_INFO tokenInfo = new CK_TOKEN_INFO();
                rv = pkcs11.C_GetTokenInfo(allSlots[0], ref tokenInfo);
                Assert.IsTrue(rv == CKR.CKR_OK);

                Pkcs11UriBuilder pkcs11UriBuilder = new Pkcs11UriBuilder();
                pkcs11UriBuilder.LibraryManufacturer = ConvertUtils.BytesToUtf8String(libraryInfo.ManufacturerId, true);
                pkcs11UriBuilder.LibraryDescription = ConvertUtils.BytesToUtf8String(libraryInfo.LibraryDescription, true);
                pkcs11UriBuilder.LibraryVersion = libraryInfo.LibraryVersion.ToString();
                pkcs11UriBuilder.SlotManufacturer = ConvertUtils.BytesToUtf8String(slotInfo.ManufacturerId, true);
                pkcs11UriBuilder.SlotDescription = ConvertUtils.BytesToUtf8String(slotInfo.SlotDescription, true);
                pkcs11UriBuilder.SlotId = allSlots[0];
                pkcs11UriBuilder.Token = ConvertUtils.BytesToUtf8String(tokenInfo.Label, true);
                pkcs11UriBuilder.Manufacturer = ConvertUtils.BytesToUtf8String(tokenInfo.ManufacturerId, true);
                pkcs11UriBuilder.Serial = ConvertUtils.BytesToUtf8String(tokenInfo.SerialNumber, true);
                pkcs11UriBuilder.Model = ConvertUtils.BytesToUtf8String(tokenInfo.Model, true);
                pkcs11uri = pkcs11UriBuilder.ToPkcs11Uri();

                rv = Pkcs11UriUtils.GetMatchingSlotList(pkcs11uri, pkcs11, true, out matchedSlots);
                Assert.IsTrue(rv == CKR.CKR_OK);
                Assert.IsTrue(matchedSlots.Length == 1);

                // One attribute nonmatching
                pkcs11UriBuilder.Serial = "foobar";
                pkcs11uri = pkcs11UriBuilder.ToPkcs11Uri();
                rv = Pkcs11UriUtils.GetMatchingSlotList(pkcs11uri, pkcs11, true, out matchedSlots);
                Assert.IsTrue(rv == CKR.CKR_OK);
                Assert.IsTrue(matchedSlots.Length == 0);

                rv = pkcs11.C_Finalize(IntPtr.Zero);
                Assert.IsTrue(rv == CKR.CKR_OK);
            }
        }
        /// <summary>
        /// Obtains a list of all slots where token that matches PKCS#11 URI is present
        /// </summary>
        /// <param name="pkcs11Uri">PKCS#11 URI</param>
        /// <param name="pkcs11">Low level PKCS#11 wrapper</param>
        /// <param name="tokenPresent">Flag indicating whether the list obtained includes only those slots with a token present (true), or all slots (false)</param>
        /// <param name="slotList">List of slots matching PKCS#11 URI</param>
        /// <returns>CKR_OK if successful; any other value otherwise</returns>
        public static CKR GetMatchingSlotList(Pkcs11Uri pkcs11Uri, Pkcs11 pkcs11, bool tokenPresent, out ulong[] slotList)
        {
            if (pkcs11Uri == null)
                throw new ArgumentNullException("pkcs11Uri");

            if (pkcs11 == null)
                throw new ArgumentNullException("pkcs11");

            List<ulong> matchingSlots = new List<ulong>();

            // Get library information
            CK_INFO libraryInfo = new CK_INFO();
            CKR rv = pkcs11.C_GetInfo(ref libraryInfo);
            if (rv != CKR.CKR_OK)
            {
                slotList = new ulong[0];
                return rv;
            }

            // Check whether library matches URI
            if (!Matches(pkcs11Uri, libraryInfo))
            {
                slotList = new ulong[0];
                return CKR.CKR_OK;
            }

            // Get number of slots in first call
            ulong slotCount = 0;
            rv = pkcs11.C_GetSlotList(false, null, ref slotCount);
            if (rv != CKR.CKR_OK)
            {
                slotList = new ulong[0];
                return rv;
            }

            if (slotCount < 1)
            {
                slotList = new ulong[0];
                return CKR.CKR_OK;
            }

            // Allocate array for slot IDs
            ulong[] slots = new ulong[slotCount];

            // Get slot IDs in second call
            rv = pkcs11.C_GetSlotList(tokenPresent, slots, ref slotCount);
            if (rv != CKR.CKR_OK)
            {
                slotList = new ulong[0];
                return rv;
            }

            // Shrink array if needed
            if (slots.Length != Convert.ToInt32(slotCount))
                Array.Resize(ref slots, Convert.ToInt32(slotCount));

            // Match slots with Pkcs11Uri
            foreach (ulong slot in slots)
            {
                CK_SLOT_INFO slotInfo = new CK_SLOT_INFO();
                rv = pkcs11.C_GetSlotInfo(slot, ref slotInfo);
                if (rv != CKR.CKR_OK)
                {
                    slotList = new ulong[0];
                    return rv;
                }

                // Check whether slot matches URI
                if (Matches(pkcs11Uri, slotInfo, slot))
                {
                    if ((slotInfo.Flags & CKF.CKF_TOKEN_PRESENT) == CKF.CKF_TOKEN_PRESENT)
                    {
                        CK_TOKEN_INFO tokenInfo = new CK_TOKEN_INFO();
                        rv = pkcs11.C_GetTokenInfo(slot, ref tokenInfo);
                        if (rv != CKR.CKR_OK)
                        {
                            slotList = new ulong[0];
                            return rv;
                        }

                        // Check whether token matches URI
                        if (Matches(pkcs11Uri, tokenInfo))
                            matchingSlots.Add(slot);
                    }
                    else
                    {
                        if (!tokenPresent && Pkcs11UriSharedUtils.Matches(pkcs11Uri, null, null, null, null))
                            matchingSlots.Add(slot);
                    }
                }
            }

            slotList = matchingSlots.ToArray();
            return CKR.CKR_OK;
        }