Bug 576429 - Log warning when none or only unsafe checksum algorithms are used for an artifact Change-Id: Id82dff5c2a957e19cab1c8caaa83febac6d13f74 Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.p2/+/186138 Tested-by: Equinox Bot <equinox-bot@eclipse.org> Reviewed-by: Mickael Istria <mistria@redhat.com>