dryice

Overview

The DryIce Example project is a demonstration program that uses the KSDK software to initialize DryIce peripheral and store a secure key in it. Then it forces tamper event and verifies that the secure key is clear.

Prepare the Demo

Connect a serial cable from the debug UART port of the board to the PC. Start Tera Term (http://ttssh2.osdn.jp) and make a connection to the virtual serial port.

  1. Start Tera Term

  2. New connection -> Serial

  3. Set apropriate COMx port (x is port number) in Port context menu. Number is provided by operation system and could be different from computer to computer. Select COM number related to virtual serial port. Confirm selected port by OK button.

  4. Set following connection parameters in menu Setup->Serial port… Baud rate: 115200 Data: 8 Parity: none Stop: 1 Flow control: one

  5. Confirm selected parameters by OK button.

Running the demo

Example output on terminal:

DryIce Peripheral Driver Example

writing Secure Key = This is my password! Very secret Secure Key erased upon Tamper Detection