doc: Add changelog file

Changelog

=========

.. _v0-1-0:

0.1.0 - 2019-03-20

------------------

Features

^^^^^^^^

* add analyzer for checking TLS server against supported

  `protocol versions <https://en.wikipedia.org/wiki/Transport_Layer_Security#History_and_development>`_

* add analyzer for checking TLS server against supported

  `cipher suites <https://en.wikipedia.org/wiki/Cipher_suite>`_

* add analyzer for checking TLS server against supported

  `elliptic curves <https://en.wikipedia.org/wiki/Elliptic-curve_cryptography>`_ types

* add analyzer for checking TLS server against used

  `Diffie-Hellman parameters <https://wiki.openssl.org/index.php/Diffie-Hellman_parameters>`_

* add analyzer for checking TLS server against supported signature algorithms

* add analyzer for checking TLS server against used `X.509 <https://en.wikipedia.org/wiki/X.509>`_

  `public key certificates <https://en.wikipedia.org/wiki/Public_key_certificate>`_

Improvements

^^^^^^^^^^^^

* check TLS server against used fallback (handshake without

  `SNI <https://en.wikipedia.org/wiki/Server_Name_Indication>`_) certificates

* add `opportunistic TLS <https://en.wikipedia.org/wiki/Opportunistic_TLS>`_ (STARTTLS) support for

  `IMAP <https://en.wikipedia.org/wiki/Internet_Message_Access_Protocol>`_,

  `SMTP <https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol>`_,

  `POP3 <https://en.wikipedia.org/wiki/Post_Office_Protocol>`_ protocols