January 22, 2002
Practical Aspects of Modern Cryptography
53
A PRNG:
Alleged RC4
n
Iteration
n
i = (i + 1) mod 256
n
j = (j + S[i]) mod 256
n
swap
S[i]
and
S[j]
n
t = (S[i] + S[j]) mod 256
n
Output
S[t]