There's an extra dimension to what might or might not have been known in 2005: Known to whom? Given that the standards in question are already widely believed

There's an extra dimension to what might or might not have been known in 2005: Known to whom? Given that the standards in question are already widely believed (to put it mildly) to have been deliberately weakened by the NSA, which still has quite a bit of nonpublic crypto knowledge, you really have to keep that in mind as well.