[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: triple DES




"Perry E. Metzger" says:
> The three passes are run "independantly",
> that is, as though a single plaintext was first encrypted in its
> entirety in the first key, then decrypted with the second key, then
> encrypted with the third -- phrased another way, the block chaining is
> within each pass rather than between the passes.

I realized that I completely botched explaining this. All the
mathematical descriptions are far better than my english, which was
merely trying to convey that you don't try to CBC between E_k1, E_k2
and E_k3; pay attention to everyone else's one liners, they make it
much clearer.

Perry


References: