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README.md |
mbed TLS Selftest Example
This application runs the various selftest functions of individual mbed TLS components. It serves as a basic sanity check to verify operation of mbed TLS on your platform. In the future, a wider portion of the mbed TLS test suite will become part of this example application.
Pre-requisites
To build and run this example you must have:
- A computer with the following software installed:
- CMake.
- yotta. Please note that yotta has its own set of dependencies, listed in the installation instructions.
- Python.
- The ARM GCC toolchain.
- A serial terminal emulator (Like screen, pySerial and cu).
- An FRDM-K64F development board, or another board supported by mbed OS (in which case you'll have to substitute frdm-k64f-gcc with the appropriate target in the instructions below).
- A micro-USB cable.
- If your OS is Windows, please follow the installation instructions for the serial port driver.
Getting started
-
Connect the FRDM-K64F to the computer with the micro-USB cable, being careful to use the "OpenSDA" connector on the target board.
-
Navigate to the mbedtls directory supplied with your release and open a terminal.
-
Set the yotta target:
yotta target frdm-k64f-gcc
-
Build mbedtls and the examples. This may take a long time if this is your first compilation:
$ yotta build
-
Copy
build/frdm-k64f-gcc/test/mbedtls-test-example-selftest.bin
to your mbed board and wait until the LED next to the USB port stops blinking. -
Start the serial terminal emulator and connect to the virtual serial port presented by FRDM-K64F.
Use the following settings:
- 115200 baud (not 9600).
- 8N1.
- No flow control.
-
Press the Reset button on the board.
-
The output in the terminal window should look like:
{{timeout;40}} {{host_test_name;default}} {{description;mbed TLS selftest program}} {{test_id;MBEDTLS_SELFTEST}} {{start}} SHA-224 test #1: passed SHA-224 test #2: passed SHA-224 test #3: passed SHA-256 test #1: passed SHA-256 test #2: passed SHA-256 test #3: passed [ ... several lines omitted ... ] CTR_DRBG (PR = TRUE) : passed CTR_DRBG (PR = FALSE): passed HMAC_DRBG (PR = True) : passed HMAC_DRBG (PR = False) : passed ECP test #1 (constant op_count, base point G): passed ECP test #2 (constant op_count, other point): passed ENTROPY test: passed [ All tests passed ] {{success}} {{end}}