Implement asio-ssl layer with three classes in asio::ssl::mbedtls:
* context -- replaces SSL_CTX, used mainly as a container to options,
certs, keys
* engine -- replaces SSL, implements the actual mbedtls operations
* bio -- implements openssl BIO specifically tailered to mbedtls and
its asio usage
Further updates:
* asio: Used shared_ptr<> for bio pairs
* asio: Add error checks to mbedtls-bio
* asio: Address potential ssl-context ownership issue
* asio: Address potential bio-engine ownership issue
* Original commit: espressif/esp-idf@d823106aa6
Needed to build some examples in their default configurations (especially
ESP32-C3). Wasn't noticed until the CI checks for partition size were added.
* Original commit: espressif/esp-idf@920edd4e73
Apply the pre-commit hook whitespace fixes to all files in the repo.
(Line endings, blank lines at end of file, trailing whitespace)
* Original commit: espressif/esp-idf@66fb5a29bb
Plus other minor update, make openssl aware of current modes (SSL_set_mode)
Update coding style in examples and tests, including copyright notices
* Original commit: espressif/esp-idf@1c8171c3e8
By default it uses simple client connecting to https address. It is
possible to configure both server and client. As for example test the
configuration of both server and client connecting to each other on
* Original commit: espressif/esp-idf@213bbe51fc
