On 5/17/06, Kuehn, Ulrich <[EMAIL PROTECTED]> wrote:
Given known plaintext and corresponding ciphertext, there should not be too
many keys that map the plaintext to the ciphertext. I don't have the
probability at hand how many such 'collisions' you would expect from 256 random
permutations, bu
On 5/18/06, Travis H. <[EMAIL PROTECTED]> wrote:
... There's 255 "other" permutations, so the chance that there is
at least one k' such that f_k'(x)=y is 255/256 = 99.6%. The chance
that there is exactly one such k' is sampling with replacement and if
I am not mistaken P(|K|=1) = (255/256)^255 =
http://www.ucomics.com/tomtoles/2006/05/18/
Hat tip again to Steve Bellovin.
Perry
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Excerpt:
The UK Government is preparing to give the police the authority to
force organisations and individuals to disclose encryption keys, a
move which has outraged some security and civil rights experts.
http://news.zdnet.co.uk/0,39020330,39269746,00.htm
Perry
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"Perry E. Metzger" <[EMAIL PROTECTED]> writes:
> http://www.ucomics.com/tomtoles/2006/05/18/
Here's one that got my attention:
http://www.workingforchange.com/comic.cfm?itemid=20803
--
"A computer is a state machine.
Threads are for people who cant [sic] program state machines."
--Alan
At 08:05 AM 5/11/2006, Perry E. Metzger wrote:
Let me again remind people that if you do not inform your elected
representatives of your displeasure with this sort of thing,
eventually you will not be in a position to inform them of your
displeasure with this sort of thing.
I think begging elec
