wolfSSL has added support for embOS in the wolfCrypt embedded cryptography library. We have example projects in the “
The examples will be available in the next stable release of the wolfSSL embedded SSL/TLS library and are currently available in the wolfSSL development branch at: https://github.com/wolfssl/wolfssl
There is a README_custom_port that will assist in creating a project that targets a different MPU as well. As always we are more than willing to help anyone get setup and going so please feel free to contact us email@example.com if you ever have any questions!