Net.Pkcs11Interop.HighLevelAPI81.MechanismParams.CkWtlsRandomData.ToMarshalableStructure C# (CSharp) Method

        public object ToMarshalableStructure()
        {
            if (this._disposed)
                throw new ObjectDisposedException(this.GetType().FullName);

            return _lowLevelStruct;
        }
        

        /// <summary>
        /// Initializes a new instance of the CkWtlsKeyMatParams class.
        /// </summary>
        /// <param name='digestMechanism'>The digest mechanism to be used (CKM)</param>
        /// <param name='macSizeInBits'>The length (in bits) of the MACing key agreed upon during the protocol handshake phase</param>
        /// <param name='keySizeInBits'>The length (in bits) of the secret key agreed upon during the handshake phase</param>
        /// <param name='ivSizeInBits'>The length (in bits) of the IV agreed upon during the handshake phase or if no IV is required, the length should be set to 0</param>
        /// <param name='sequenceNumber'>The current sequence number used for records sent by the client and server respectively</param>
        /// <param name='isExport'>Flag indicating whether the keys have to be derived for an export version of the protocol</param>
        /// <param name='randomInfo'>Client's and server's random data information</param>
        public CkWtlsKeyMatParams(NativeULong digestMechanism, NativeULong macSizeInBits, NativeULong keySizeInBits, NativeULong ivSizeInBits, NativeULong sequenceNumber, bool isExport, CkWtlsRandomData randomInfo)
        {
            if (randomInfo == null)
            {
                throw new ArgumentNullException("randomInfo");
            }

            // Keep reference to randomInfo so GC will not free it while this object exists
            _randomInfo = randomInfo;

            if (ivSizeInBits % 8 != 0)
            {
                throw new ArgumentException("Value has to be a multiple of 8", "ivSizeInBits");
            }

            // GC will not free ReturnedKeyMaterial while this object exists
            _returnedKeyMaterial = new CkWtlsKeyMatOut(ivSizeInBits / 8);

            _lowLevelStruct.DigestMechanism = digestMechanism;
            _lowLevelStruct.MacSizeInBits   = macSizeInBits;
            _lowLevelStruct.KeySizeInBits   = keySizeInBits;
            _lowLevelStruct.IVSizeInBits    = ivSizeInBits;
            _lowLevelStruct.SequenceNumber  = sequenceNumber;
            _lowLevelStruct.IsExport        = isExport;
            _lowLevelStruct.RandomInfo      = (CK_WTLS_RANDOM_DATA)_randomInfo.ToMarshalableStructure();

            // Abrakadabra :)
            _lowLevelStruct.ReturnedKeyMaterial = UnmanagedMemory.Allocate(UnmanagedMemory.SizeOf(typeof(CK_WTLS_KEY_MAT_OUT)));
            UnmanagedMemory.Write(_lowLevelStruct.ReturnedKeyMaterial, _returnedKeyMaterial._lowLevelStruct);
        }