Simple RC4 variant

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Keith Lockstone (klockstone@cix.co.uk)
Sat, 3 Apr 1999 22:09 +0100 (BST)


In the first line of RC4:
        i = (i + 1) mod 256
'i' cycles through 256 values.

If we add in an odd number, 0 < r < 256, ie:
        i = (i + r) mod 256
'i' also cycles through 256 values - but in a different sequence.

Does these new 127 variants of RC4 behave in a similar way with regard to
cycle length and precautions regarding the key set-up?

Keith.


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The following archive was created by hippie-mail 7.98617-22 on Thu May 27 1999 - 23:44:20