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The Unbreakable Cipher (2)
On Wed, Sep 25, 2013 at 11:38 PM, coderman <[email protected]> wrote:
>...
> the key is to re-key so frequently there is never a significant volume
> transferred under the same symmetric key.
this also is useful for constraining the duration of an authenticated session.
if you must "attest" to the authenticated status of an entity at a
frequent interval, the use of a panic button or other key zeroisation
/ session abort mode becomes much more useful and actionable, denying
access to the protected resource within milliseconds of a "panic"
event occurring.
this is another long tangent for another day...