Cryptanalysis of RC4 - Preliminary Results (Repeat)

[James A. Donald]

At 06:39 AM 9/30/95 -0400, Dr. Frederick B. Cohen wrote:
>The problem is that if these keys are weak, there may be many others
>that are also weak.  In fact, by the time we explore all of the
>weaknesses, we may find the system is no longer very strong at all. 

These so called weak keys are far from weak.

You have a 1 in 64000 chance of reducing the search space by 64000.  
Big deal.

Use 128 bit session keys.

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