is transmitting,
we can't make her forget it.
I'll keep working on it. Thanks again to John and the others who have
offered helpful criticism and suggestions.
Hal Finney
, the risk to Eve of gaining any specific amount of
information can therefore be made arbitrarily large.
Hal
to understand and believe this as well.
Don't try to use the legal system yourself to force this outcome.
Hal Finney
s the idea is not as far-fetched as it sounds.
Hal
um physics to get rid of the shared randomness is
nice. I'm not sure that the approach outlined by Hal can be made to work.
It is still in the early stages of development. I appreciate the many
helpful comments.
Hal
hoton
in some manner that preserved its polarization, and then to re-emit it.
These could be primed to pass only a single photon.
I'm sure both of these ideas have serious practical difficulties but
perhaps something along these lines could be made to work.
Hal
hould
have been. This changes the conclusions of my message, so I will post
another version with corrected math.
Hal
. Eve would not know how to orient her measuring
apparatus and so would likely perturb the photon. The effect would
largely be to introduce noise into the output, which should be detectable
by the participants at some level.
Hal
nt message I will analyze how much information Eve obtains
by doing measurements immediately before and after a target cryptographer
has rotated the photon on each circulation.
Hal
, the chance of an attacker guessing
right on every transformation can be reduced to a low level.
Hal Finney
or not.
Hal
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