[Heimdal-source-changes] [heimdal/heimdal] 441144: krb5: always zero elastic storage

[Luke Howard]

  Branch: refs/heads/master
  Home:   https://github.com/heimdal/heimdal
  Commit: 4411448bfdefc0cd72edefafd071126cceaa8071
      https://github.com/heimdal/heimdal/commit/4411448bfdefc0cd72edefafd071126cceaa8071
  Author: Luke Howard <lukeh at padl.com>
  Date:   2020-04-15 (Wed, 15 Apr 2020)

  Changed paths:
    M lib/krb5/store_emem.c

  Log Message:
  -----------
  krb5: always zero elastic storage

Elastic storage (returned from krb5_storage_emem()) often contains secret keys.
Ensure memory is zeroed on free using memset_s() rather than memset().