Yea,.. the confusion has spread wildly..
Before the beta test and the beta test itself was not about renaming a .pkg to .dat, i guess it was just backing up your hdd, formatting it, backing it up again, and replacing one or two files from the first into the second.
then after the beta test the whole renaming .pkg's came about...and we are still yet to see anything about an algorithm as referenced in the first post...
but we will see