Information about the random data of a client and a server in an SSL context
Inheritance: IMechanismParams, IDisposable
        /// <summary>
        /// Initializes a new instance of the CkSsl3MasterKeyDeriveParams class.
        /// </summary>
        /// <param name='randomInfo'>Client's and server's random data information</param>
        /// <param name='dh'>Set to false for CKM_SSL3_MASTER_KEY_DERIVE mechanism and to true for CKM_SSL3_MASTER_KEY_DERIVE_DH mechanism</param>
        public CkSsl3MasterKeyDeriveParams(CkSsl3RandomData randomInfo, bool dh)
        {
            if (randomInfo == null)
                throw new ArgumentNullException("randomInfo");
            
            // Keep reference to randomInfo so GC will not free it while this object exists
            _randomInfo = randomInfo;

            _lowLevelStruct.RandomInfo = (CK_SSL3_RANDOM_DATA)_randomInfo.ToMarshalableStructure();
            _lowLevelStruct.Version = (dh) ? IntPtr.Zero : UnmanagedMemory.Allocate(UnmanagedMemory.SizeOf(typeof(CK_VERSION)));
        }
        /// <summary>
        /// Initializes a new instance of the CkSsl3KeyMatParams class.
        /// </summary>
        /// <param name='macSizeInBits'>The length (in bits) of the MACing keys agreed upon during the protocol handshake phase</param>
        /// <param name='keySizeInBits'>The length (in bits) of the secret keys agreed upon during the protocol handshake phase</param>
        /// <param name='ivSizeInBits'>The length (in bits) of the IV agreed upon during the protocol handshake phase or if no IV is required, the length should be set to 0</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 CkSsl3KeyMatParams(ulong macSizeInBits, ulong keySizeInBits, ulong ivSizeInBits, bool isExport, CkSsl3RandomData 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 CkSsl3KeyMatOut(ivSizeInBits / 8);

            _lowLevelStruct.MacSizeInBits = macSizeInBits;
            _lowLevelStruct.KeySizeInBits = keySizeInBits;
            _lowLevelStruct.IVSizeInBits = ivSizeInBits;
            _lowLevelStruct.IsExport = isExport;
            _lowLevelStruct.RandomInfo = (CK_SSL3_RANDOM_DATA)_randomInfo.ToMarshalableStructure();

            // Abrakadabra :)
            _lowLevelStruct.ReturnedKeyMaterial = UnmanagedMemory.Allocate(UnmanagedMemory.SizeOf(typeof(CK_SSL3_KEY_MAT_OUT)));
            UnmanagedMemory.Write(_lowLevelStruct.ReturnedKeyMaterial, _returnedKeyMaterial._lowLevelStruct);
        }