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circle-mbedtls

Overview

circle-mbedtls uses the mbed TLS library to provide SSL/TLS support for the Raspberry Pi bare metal environment Circle.

circle-mbedtls is part of the circle-stdlib project, because it needs the standard C library support, provided by this project and to reduce the number of required sub-modules needed to build a circle-mbedtls application.

Getting Started

Prerequisites

Same as for the circle-stdlib project.

Building the Libraries

circle-mbedtls uses the circle-stdlib build system. You have to specify the --opt-tls option to enable the SSL/TLS support.

Building a Sample Program

The circle-mbedtls sample programs can be found in the samples/mbedtls subdirectory. Go to the subdirectory of the sample of your choice and do make.

Current State

V1.5:

  • Sample programs prepared for (optional) WLAN operation.

Previous Releases

V1.4:

  • Uses Mbed TLS 2.16.4
  • Quality of random numbers for QEMU test improved

V1.3:

  • Uses mbed TLS 2.16.2

V1.2:

  • Uses mbed TLS 2.16.0

V1.1:

  • Uses mbed TLS 2.14.1

V1.0:

  • Initial version
  • Uses mbed TLS 2.8.0
  • Supports a subset of the mbed TLS C API
  • Initial attempt to support a C++ API, which is easier to be used

License

This project is licensed under the GNU GENERAL PUBLIC LICENSE Version 3 - see the LICENSE file for details

Acknowledgements

  • Stephan Muehlstrasser for circle-stdlib, for advise and for opening his repository for the circle-mbedtls development.
  • The mbed TLS team for mbed TLS.