Block

We intercepted a serial communication between two microcontrollers. It seems that the first microcontroller is using a weird protocol to access a flash memory controlled by the second microcontroller. We were able to retrieve 16 sectors of the memory before the connection was disrupted. Can you retrieve what it was read? Category: Hardware Solver: davex Writeup For this challenge, the only thing you received was a zip file containing two files....

3 min · davex

Trace

During the attempt to exploit a secure crypto-processor we identified some embedded logic in it. We were able to recreate the logic diagram and make a block diagram to map its connections to the original circuit. We need to identify its use, which may lead to compromising the chip. Category: Hardware Solver: davex Writeup We first looked up the content of the challenge website is. When you entered the website you could saw a diagram of the system described in the description....

3 min · davex