System.Net.SSPIWrapper.MakeSignature C# (CSharp) Method

        internal static int MakeSignature(SSPIInterface secModule, SafeDeleteContext context, SecurityBuffer[] input, uint sequenceNumber)
        {
            return EncryptDecryptHelper(OP.MakeSignature, secModule, context, input, sequenceNumber);
        }

        internal int MakeSignature(byte[] buffer, int offset, int count, ref byte[] output)
        {
            SecSizes sizes = this.Sizes;
            int      num   = count + sizes.MaxSignature;

            if ((output == null) || (output.Length < num))
            {
                output = new byte[num];
            }
            Buffer.BlockCopy(buffer, offset, output, sizes.MaxSignature, count);
            SecurityBuffer[] input = new SecurityBuffer[] { new SecurityBuffer(output, 0, sizes.MaxSignature, BufferType.Token), new SecurityBuffer(output, sizes.MaxSignature, count, BufferType.Data) };
            int error = SSPIWrapper.MakeSignature(GlobalSSPI.SSPIAuth, this.m_SecurityContext, input, 0);

            if (error != 0)
            {
                throw new Win32Exception(error);
            }
            return(input[0].size + input[1].size);
        }