Lessons from My History Teacher- Mr Hines

As part of my Gratitude Project I wrote the following letter to Mr Robert E Hines  which I share with his permission. It’s dated 2 June 2018. Dear Bob; Great teachers teach beyond than their subject matter.  They impart life lessons to their students. Students may be deaf to this other lessons because they were…

The Long Path to 20 Bytes of Firmware

When I began my approach for a By-Pass Lock screen solution, I knew that the USB/PCI Express Bridge chip I was using had the capability to enable DMA attacks. But I wasn’t sure how to configure it properly. In the end 20 Bytes of firmware did it. But getting to the 20 bytes of firmware…

Make it Light

So a while ago I put together a hardware security project. The device I was building was a PCIExpress device to do DMA (Direct Memory Access) attacks on a computer. The idea being you would have a card that you could put in a slot into the computer. Then this card would basically use its…