Allow migration of keys to new pbkdf parameters
Make it possible to either implicitly or explicitly convert keys to new pbkdfs. Existing deployments may use something that's now considered a weak pbkdf, so add a mechanism for converting on the fly.
Make it possible to either implicitly or explicitly convert keys to new pbkdfs. Existing deployments may use something that's now considered a weak pbkdf, so add a mechanism for converting on the fly.