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Remove axTLS from code and documentation (#7437)

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Earle F. Philhower, III
2020-07-09 09:21:38 -07:00
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parent 1ead157558
commit 70e4457041
29 changed files with 10 additions and 3533 deletions
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16
doc/esp8266wifi/readme.rst
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@ -154,18 +154,7 @@ The Client class creates `clients <https://en.wikipedia.org/wiki/Client_(computi
.. figure:: pictures/esp8266-client.png
:alt: ESP8266 operating as the Client
Check out the separate section with `examples <client-examples.rst>`__ / `list of functions <client-class.rst>`__
axTLS Client Secure - DEPRECATED
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following section details axTLS, the older TLS library used by the project. It is still supported, but additional fixes and documentation will generally not be undertaken. See the following section for the updated TLS client object.
The axTLS Client Secure is an extension of `Client Class <#client>`__ where connection and data exchange with servers is done using a `secure protocol <https://en.wikipedia.org/wiki/Transport_Layer_Security>`__. It supports `TLS 1.1 <https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.1>`__. The `TLS 1.2 <https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.2>`__ is not supported.
Secure applications have additional memory (and processing) overhead due to the need to run cryptography algorithms. The stronger the certificate's key, the more overhead is needed. In practice it is not possible to run more than a single secure client at a time. The problem concerns RAM memory we can not add; the flash memory size is usually not the issue. If you would like to learn how `client secure library <https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/src/WiFiClientSecure.h>`__ has been developed, what server access has been tested, and how memory limitations have been overcome, read this fascinating issue report `#43 <https://github.com/esp8266/Arduino/issues/43>`__.
Check out the separate section with `examples <client-secure-examples.rst>`__ / `list of functions <client-secure-class.rst>`__
Check out the separate section with `list of functions <client-class.rst>`__
BearSSL Client Secure and Server Secure
@ -182,6 +171,9 @@ Secure clients and servers require siginificant amounts of additional memory and
`BearSSL::WiFiServerSecure <bearssl-server-secure-class.rst>`__ discusses the TLS server mode available. Please read and understand the `BearSSL::WiFiClientSecure <bearssl-client-secure-class.rst>`__ first as the server uses most of the same concepts.
Check out the separate section with `examples <client-secure-examples.rst>`__ .
Server
~~~~~~