0.18.3

• setup.py: Refuse to build if mbedtls is too old.

0.18.2

• cipher: Increase test coverage and fix minor bugs.
• tests: Do not assume that havege is missing as it could be included in some configurations.
• tests: Make error reporting with memoryviews closer to pytest reporting for bytes.

0.18.1

• update wheels with 2.16.3.
• version: Make has_feature() public.
• tests: Skip tests to features that are not compiled in.
• tests: Improve error reporting with memoryviews.

0.18.0 - 2019-05-11

Add secrets (PEP-506) module with CSPRNG

• secrets: Add PEP-506 conform secrets module for generating secrets.
• cipher/hash/hmac: These modules and packages are now pure-Python.
• mpi: Add bitwise operations.

API Changes

• pk.ECDHNaive: generate() returns the public key as an ECPoint and
  import_peers_public() now takes an ECPoint. import_peer_public(MPI)
  is deprecated and will be removed in a future release. Further note
  the s in import_peers_public().
• pk: Make ECDH*.{public_key,private_key,peers_public_key} public. The
  private equivalents with a _* prefix are deprecated and will be removed in a
  future release. Further note the s in peers_public_key.
• _random: Privatize Entropy and refactor Random class.

Bugfixes

• mpi: Fix bug in mpi.to_bytes().

Misc.

• *: Format Python files with black
• ci: Check that the docs build in CI.
• ci: Repair test coverage measurements on coveralls.
• mpi: Simplify code for comparisons.
• mpi: Add tests and better exceptions for __pow__().

0.17.1 - 2019-04-16

This is a bugfix release fixing several TLS issues.

Misc.

• Split download and install scripts.

Bugfixes

• tls: Split input and output buffers for TLS/TCP.
• tls: Fixes issue with TLSv1 by reading greedily from the buffer.

0.17.0 - 2019-04-12

Add support to HKDF

• Add support to HKDF (HMAC key derivation function).

Misc.

• Change branching model to fast-forward merge on the master branch.
• Change directive language_level from 2 to 3 for Cython.

Bugfixes

• *: Fixup handling of empty and None buffers (#20: Roman (inpos)).
• hmac: Hmac now accepts the empty key (b"").

0.16.0 - 2019-04-04

Add Chacha20/Poly1305 support (Stephen.Y).

• cipher: Add support for the ARIA family.
• cipher: Add OFB, XFB, and CHACHA/POLY modes and support for
  AEAD ciphers (Stephen.Y).
• Update wheels with mbedtls 2.16.1.

0.15.0 - 2019-03-15

Add DTLS support

Add DTLS support. Both client side and server side are implemented.
Setting the cookie on the server side is not optional in python-mbedtls.

• pk: Add support for curves 448 and 25519 (Stephen.Y).

Misc.

• Update wheels with mbedtls 2.14.1.
• version: Add accessors to the version of mbed TLS in use.
• tls: Allow configuration of libmbedtls debug level.

0.14.1 - 2019-01-19

Update wheels with mbedtls 2.7.9.

0.14.0 - 2019-01-08

Build manylinux1 wheels

• Build and test on manylinux1 (PEP 513) to distribute linux
  wheels with Mbed TLS. It is not necessary anymore to install
  mbed TLS separately.
• x509/CRL: Add support for upstream Mbed TLS version 2.7.2 and above.
  Note that this did not require changes in the library but only
  in the tests.
• The library now internally uses a single global Random instance.
  This instance is not accessible from Python.
• pk/DHServer, pk/DHClient: Increase test entropy to avoid
  flakey tests.

API Changes

• random: Random() now takes an optional entropy object
  as argument.
• random: Random.reseed() now takes optional data that can be used
  to increase entropy.

Bugfixes

• mpi: Let MPI built from an empty byte (b"") be 0 as regular ints.