Tpm2Lib.ObjectContextManager.GetFreeHandle C# (CSharp) Method

        private uint GetFreeHandle(Tbs.TbsContext owner, TpmHandle tpmHandle)
        {
            Tbs.SlotType neededType = Tbs.SlotTypeFromHandle(tpmHandle);
            if (neededType == Tbs.SlotType.NoSlot)
            {
                return tpmHandle.handle;
            }

            int numTries = 0;
            while (true)
            {
                Ht handleType = tpmHandle.GetType();
                var randomPos = (uint)Globs.GetRandomInt((int)TpmHandle.GetRangeLength(tpmHandle.GetType()));
                uint candidateHandle = ((uint)handleType << 24) + randomPos;

                if (!OwnerHandleInUse(owner, candidateHandle))
                {
                    return candidateHandle;
                }

                numTries++;
                if (numTries >= 1000)
                {
                    break;
                }
            }
            throw new Exception("Too many TBS contexts");
        }