[dovecot/core] ffe51a: lib: Add hmac helpers

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: ffe51a1969f24d88bbfacb3ba2ec83d5b99ae774
      https://github.com/dovecot/core/commit/ffe51a1969f24d88bbfacb3ba2ec83d5b99ae774
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2016-11-30 (Wed, 30 Nov 2016)

  Changed paths:
    M src/lib/hmac.c
    M src/lib/hmac.h

  Log Message:
  -----------
  lib: Add hmac helpers

These run hmac for given data with given parameters
and returns stack allocated buffer. They are helpful
when doing lots of HMACs, such as the AWS4 signing
protocol.


  Commit: a62b4fb5f0b1577535fa20fc88f4d1ade72070a3
      https://github.com/dovecot/core/commit/a62b4fb5f0b1577535fa20fc88f4d1ade72070a3
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2016-11-30 (Wed, 30 Nov 2016)

  Changed paths:
    M src/lib/test-hmac.c

  Log Message:
  -----------
  lib: Add test for hmac helper


  Commit: ceb2c6d913e236aff5df81b8a9d7fc5f2d898528
      https://github.com/dovecot/core/commit/ceb2c6d913e236aff5df81b8a9d7fc5f2d898528
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2016-11-30 (Wed, 30 Nov 2016)

  Changed paths:
    M src/plugins/mail-crypt/mail-crypt-key.c

  Log Message:
  -----------
  mail-crypt: Remove dead assigment


Compare: https://github.com/dovecot/core/compare/134b5022c054...ceb2c6d913e2