[Heimdal-source-changes] [heimdal/heimdal] dc5e29: hcrypto: avoid hcrypto_validate race

[Jeffrey Altman]

  Branch: refs/heads/jaltman/hcrypto_validation_race
  Home:   https://github.com/heimdal/heimdal
  Commit: dc5e29c25e42c5cfe787ccbaf6890fa865abbb27
      https://github.com/heimdal/heimdal/commit/dc5e29c25e42c5cfe787ccbaf6890fa865abbb27
  Author: Jeffrey Altman <jaltman at secure-endpoints.com>
  Date:   2019-05-16 (Thu, 16 May 2019)

  Changed paths:
    M lib/hcrypto/validate.c

  Log Message:
  -----------
  hcrypto: avoid hcrypto_validate race

Do not increment 'validated' until after all of the validation
steps have been performed.  While its ok the validate more than
once we need to ensure that validation occurs at least once
before the cipher is used.

Change-Id: I6896c132ec2a7423c5166c1c074a2dedac54e00d