V3 secret keys

[Ben Laurie <[e-mail]>]

in 5.5.3 it says:

"Furthermore, the CFB state is resynchronized at the beginning of each
new MPI value,  so that the CFB block boundary is aligned with the start
of the MPI data."

I can't find anywhere a precise (or even an imprecise) definition of
"resynchronized". What exactly does it mean?

Does it mean that the IV is reset to whatever it was at the start of the
current block? Does it mean that we use the partially-updated IV, but
set the position back to the beginning? Does it mean we reset the IV to
the initial value and start again? Or what?

Cheers,

Ben.

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