Re: More Snake oil

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Adam Back (aba@dcs.ex.ac.uk)
Tue, 11 Aug 1998 19:16:31 +0100


> The BBC is reporting that a 17 year old kid has implemented 2048 bit RC4
> and sold copies to a US company for their security. Sounds fishy to me,
> here's the article link from the BBC

I didn't read the article, but RC4's actual maximum key size _is_ 2048
bits (256 bytes). Clearly the effective key space is smaller: for
starters there are only 256! possible permutations of the s array,
which comes out at around 1684 bits.

Anyway, 2048 bits does not indicate clue impairment, necessarily.

Adam

-- 
print pack"C*",split/\D+/,`echo "16iII*o\U@{$/=$z;[(pop,pop,unpack"H*",<>
)]}\EsMsKsN0[lN*1lK[d2%Sa2/d0<X+d*lMLa^*lN%0]dsXx++lMlN/dsM0<J]dsJxp"|dc`


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The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:10:58